[JENKINS-49365] Resuming of pipelines vs. docker.image(...).inside(...)?

Type: Bug
Resolution: Unresolved
Priority: Blocker
Component/s: docker-workflow-plugin, workflow-cps-plugin
Labels:
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(Alternative way of asking for help; cf. https://groups.google.com/forum/#!msg/jenkinsci-users/xMxrpRJHIoA/KQoWVbnAAwAJ for my initial attempt)

When playing around with resuming of pipelines after restarting the Jenkins master (note - not sure if of relevance though: it is a single jenkins master without any slaves setup) during pipeline execution, I stumbled over the the following problem when the restart happens in the course of executing a docker.image(...).inside(...) closure:

java.lang.ClassNotFoundException: org.jenkinsci.plugins.docker.workflow.Docker$Image
    at java.net.URLClassLoader.findClass(URLClassLoader.java:381)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
    at groovy.lang.GroovyClassLoader.loadClass(GroovyClassLoader.java:677)
    at groovy.lang.GroovyClassLoader.loadClass(GroovyClassLoader.java:787)
    at groovy.lang.GroovyClassLoader.loadClass(GroovyClassLoader.java:775)
    at java.lang.Class.forName0(Native Method)
    at java.lang.Class.forName(Class.java:348)
    at org.jboss.marshalling.AbstractClassResolver.loadClass(AbstractClassResolver.java:131)
    at org.jboss.marshalling.AbstractClassResolver.resolveClass(AbstractClassResolver.java:112)
    at org.jboss.marshalling.river.RiverUnmarshaller.doReadClassDescriptor(RiverUnmarshaller.java:948)
    at org.jboss.marshalling.river.RiverUnmarshaller.doReadNewObject(RiverUnmarshaller.java:1255)
    at org.jboss.marshalling.river.RiverUnmarshaller.doReadObject(RiverUnmarshaller.java:276)
    at org.jboss.marshalling.river.RiverUnmarshaller.doReadObject(RiverUnmarshaller.java:224)
    at org.jboss.marshalling.river.RiverUnmarshaller.readFields(RiverUnmarshaller.java:1752)
    at org.jboss.marshalling.river.RiverUnmarshaller.doInitSerializable(RiverUnmarshaller.java:1665)
    at org.jboss.marshalling.river.RiverUnmarshaller.doInitSerializable(RiverUnmarshaller.java:1613)
    at org.jboss.marshalling.river.RiverUnmarshaller.doInitSerializable(RiverUnmarshaller.java:1613)
    at org.jboss.marshalling.river.RiverUnmarshaller.doReadNewObject(RiverUnmarshaller.java:1292)
    at org.jboss.marshalling.river.RiverUnmarshaller.doReadObject(RiverUnmarshaller.java:276)
    at org.jboss.marshalling.river.RiverUnmarshaller.doReadObject(RiverUnmarshaller.java:224)
    at org.jboss.marshalling.river.RiverUnmarshaller.readFields(RiverUnmarshaller.java:1752)
    at org.jboss.marshalling.river.RiverUnmarshaller.doInitSerializable(RiverUnmarshaller.java:1665)
    at org.jboss.marshalling.river.RiverUnmarshaller.doInitSerializable(RiverUnmarshaller.java:1613)
    at org.jboss.marshalling.river.RiverUnmarshaller.doInitSerializable(RiverUnmarshaller.java:1613)
    at org.jboss.marshalling.river.RiverUnmarshaller.doReadNewObject(RiverUnmarshaller.java:1292)
    at org.jboss.marshalling.river.RiverUnmarshaller.doReadObject(RiverUnmarshaller.java:276)
    at org.jboss.marshalling.river.BlockUnmarshaller.readObject(BlockUnmarshaller.java:149)
    at org.jboss.marshalling.river.BlockUnmarshaller.readObject(BlockUnmarshaller.java:135)
    at org.jboss.marshalling.MarshallerObjectInputStream.readObjectOverride(MarshallerObjectInputStream.java:53)
    at org.jboss.marshalling.river.RiverObjectInputStream.readObjectOverride(RiverObjectInputStream.java:307)
    at java.io.ObjectInputStream.readObject(ObjectInputStream.java:422)
    at java.util.HashMap.readObject(HashMap.java:1409)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:498)
    at org.jboss.marshalling.reflect.SerializableClass.callReadObject(SerializableClass.java:309)
    at org.jboss.marshalling.river.RiverUnmarshaller.doInitSerializable(RiverUnmarshaller.java:1644)
    at org.jboss.marshalling.river.RiverUnmarshaller.doReadNewObject(RiverUnmarshaller.java:1292)
    at org.jboss.marshalling.river.RiverUnmarshaller.doReadObject(RiverUnmarshaller.java:276)
    at org.jboss.marshalling.river.RiverUnmarshaller.doReadObject(RiverUnmarshaller.java:224)
    at org.jboss.marshalling.river.RiverUnmarshaller.readFields(RiverUnmarshaller.java:1752)
    at org.jboss.marshalling.river.RiverUnmarshaller.doInitSerializable(RiverUnmarshaller.java:1665)
    at org.jboss.marshalling.river.RiverUnmarshaller.doReadNewObject(RiverUnmarshaller.java:1292)
    at org.jboss.marshalling.river.RiverUnmarshaller.doReadObject(RiverUnmarshaller.java:276)
    at org.jboss.marshalling.river.RiverUnmarshaller.doReadObject(RiverUnmarshaller.java:209)
    at org.jboss.marshalling.AbstractObjectInput.readObject(AbstractObjectInput.java:41)
    at org.jenkinsci.plugins.workflow.cps.CpsFlowExecution$2.onSuccess(CpsFlowExecution.java:742)
    at org.jenkinsci.plugins.workflow.cps.CpsFlowExecution$2.onSuccess(CpsFlowExecution.java:735)
    at org.jenkinsci.plugins.workflow.support.concurrent.Futures$1.run(Futures.java:150)
    at com.google.common.util.concurrent.MoreExecutors$SameThreadExecutorService.execute(MoreExecutors.java:253)
    at com.google.common.util.concurrent.ExecutionList$RunnableExecutorPair.execute(ExecutionList.java:149)
    at com.google.common.util.concurrent.ExecutionList.execute(ExecutionList.java:134)
    at com.google.common.util.concurrent.AbstractFuture.set(AbstractFuture.java:170)
    at org.jenkinsci.plugins.workflow.support.concurrent.ChainingListenableFuture.access$000(ChainingListenableFuture.java:33)
    at org.jenkinsci.plugins.workflow.support.concurrent.ChainingListenableFuture$1.run(ChainingListenableFuture.java:196)
    at com.google.common.util.concurrent.MoreExecutors$SameThreadExecutorService.execute(MoreExecutors.java:253)
    at com.google.common.util.concurrent.ExecutionList$RunnableExecutorPair.execute(ExecutionList.java:149)
    at com.google.common.util.concurrent.ExecutionList.add(ExecutionList.java:105)
    at com.google.common.util.concurrent.AbstractFuture.addListener(AbstractFuture.java:155)
    at org.jenkinsci.plugins.workflow.support.concurrent.ChainingListenableFuture.run(ChainingListenableFuture.java:189)
    at com.google.common.util.concurrent.MoreExecutors$SameThreadExecutorService.execute(MoreExecutors.java:253)
    at com.google.common.util.concurrent.ExecutionList$RunnableExecutorPair.execute(ExecutionList.java:149)
    at com.google.common.util.concurrent.ExecutionList.execute(ExecutionList.java:134)
    at com.google.common.util.concurrent.AbstractFuture.set(AbstractFuture.java:170)
    at org.jenkinsci.plugins.workflow.support.concurrent.ChainingListenableFuture.access$000(ChainingListenableFuture.java:33)
    at org.jenkinsci.plugins.workflow.support.concurrent.ChainingListenableFuture$1.run(ChainingListenableFuture.java:196)
    at com.google.common.util.concurrent.MoreExecutors$SameThreadExecutorService.execute(MoreExecutors.java:253)
    at com.google.common.util.concurrent.ExecutionList$RunnableExecutorPair.execute(ExecutionList.java:149)
    at com.google.common.util.concurrent.ExecutionList.add(ExecutionList.java:105)
    at com.google.common.util.concurrent.AbstractFuture.addListener(AbstractFuture.java:155)
    at org.jenkinsci.plugins.workflow.support.concurrent.ChainingListenableFuture.run(ChainingListenableFuture.java:189)
    at com.google.common.util.concurrent.MoreExecutors$SameThreadExecutorService.execute(MoreExecutors.java:253)
    at com.google.common.util.concurrent.ExecutionList$RunnableExecutorPair.execute(ExecutionList.java:149)
    at com.google.common.util.concurrent.ExecutionList.execute(ExecutionList.java:134)
    at com.google.common.util.concurrent.AbstractFuture.set(AbstractFuture.java:170)
    at org.jenkinsci.plugins.workflow.support.concurrent.ListFuture.setOneValue(ListFuture.java:158)
    at org.jenkinsci.plugins.workflow.support.concurrent.ListFuture.access$000(ListFuture.java:40)
    at org.jenkinsci.plugins.workflow.support.concurrent.ListFuture$2.run(ListFuture.java:107)
    at com.google.common.util.concurrent.MoreExecutors$SameThreadExecutorService.execute(MoreExecutors.java:253)
    at com.google.common.util.concurrent.ExecutionList$RunnableExecutorPair.execute(ExecutionList.java:149)
    at com.google.common.util.concurrent.ExecutionList.execute(ExecutionList.java:134)
    at com.google.common.util.concurrent.AbstractFuture.set(AbstractFuture.java:170)
    at org.jenkinsci.plugins.workflow.support.concurrent.ChainingListenableFuture.access$000(ChainingListenableFuture.java:33)
    at org.jenkinsci.plugins.workflow.support.concurrent.ChainingListenableFuture$1.run(ChainingListenableFuture.java:196)
    at com.google.common.util.concurrent.MoreExecutors$SameThreadExecutorService.execute(MoreExecutors.java:253)
    at com.google.common.util.concurrent.ExecutionList$RunnableExecutorPair.execute(ExecutionList.java:149)
    at com.google.common.util.concurrent.ExecutionList.add(ExecutionList.java:105)
    at com.google.common.util.concurrent.AbstractFuture.addListener(AbstractFuture.java:155)
    at org.jenkinsci.plugins.workflow.support.concurrent.ChainingListenableFuture.run(ChainingListenableFuture.java:189)
    at com.google.common.util.concurrent.MoreExecutors$SameThreadExecutorService.execute(MoreExecutors.java:253)
    at com.google.common.util.concurrent.ExecutionList$RunnableExecutorPair.execute(ExecutionList.java:149)
    at com.google.common.util.concurrent.ExecutionList.execute(ExecutionList.java:134)
    at com.google.common.util.concurrent.AbstractFuture.set(AbstractFuture.java:170)
    at org.jenkinsci.plugins.workflow.support.pickles.TryRepeatedly.access$500(TryRepeatedly.java:48)
    at org.jenkinsci.plugins.workflow.support.pickles.TryRepeatedly$1.run(TryRepeatedly.java:112)
    at jenkins.security.ImpersonatingScheduledExecutorService$1.run(ImpersonatingScheduledExecutorService.java:58)
    at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
    at java.util.concurrent.FutureTask.run(FutureTask.java:266)
    at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
    at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
Caused: java.io.IOException: Failed to load build state
    at org.jenkinsci.plugins.workflow.cps.CpsFlowExecution$3.onSuccess(CpsFlowExecution.java:814)
    at org.jenkinsci.plugins.workflow.cps.CpsFlowExecution$3.onSuccess(CpsFlowExecution.java:812)
    at org.jenkinsci.plugins.workflow.cps.CpsFlowExecution$4$1.run(CpsFlowExecution.java:861)
    at org.jenkinsci.plugins.workflow.cps.CpsVmExecutorService$1.run(CpsVmExecutorService.java:35)
    at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
    at java.util.concurrent.FutureTask.run(FutureTask.java:266)
    at hudson.remoting.SingleLaneExecutorService$1.run(SingleLaneExecutorService.java:131)
    at jenkins.util.ContextResettingExecutorService$1.run(ContextResettingExecutorService.java:28)
    at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
    at java.util.concurrent.FutureTask.run(FutureTask.java:266)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
    at java.lang.Thread.run(Thread.java:748)

Here is the build log right before the problem and including the resume logs:

 [Pipeline] sh
 [ACME-Pipeline (Branch)-WS] Running shell script
 + docker inspect -f . ACME/phpunit:5
 .
 [Pipeline] withDockerContainer
 Jenkins does not seem to be running inside a container
 $ docker run -t -d -u 10112:10005 --entrypoint -w "/var/lib/jenkins/workspace/ACME-Pipeline (Branch)-WS" -v "/var/lib/jenkins/workspace/ACME-Pipeline (Branch)-WS:/var/lib/jenkins/workspace/ACME-Pipeline (Branch)-WS:rw,z" -v "/var/lib/jenkins/workspace/ACME-Pipeline (Branch)-WS@tmp:/var/lib/jenkins/workspace/ACME-Pipeline (Branch)-WS@tmp:rw,z" -e ******** -e ******** -e ******** -e ******** -e ******** -e ******** -e ******** -e ******** -e ******** -e ******** -e ******** -e ******** -e ******** -e ******** -e ******** -e ******** -e ******** -e ******** -e ******** -e ******** -e ******** -e ******** -e ******** -e ******** -e ******** -e ******** --entrypoint cat ACME/phpunit:5
 [Pipeline] \{
 [Pipeline] sh
 [ACME-Pipeline (Branch)-WS] Running shell script
 ...
 [Pipeline] sh
 [ACME-Pipeline (Branch)-WS] Running shell script
 + ./gradlew --no-daemon -PphpUnitXml=phpunit-result.xml executePlainPHPUnitTests
 :deleteDependencyCache UP-TO-DATE
 :executePlainPHPUnitTests
 PHPUnit 6.5.5 by Sebastian Bergmann and contributors.

............................................................... 63 / 484 ( 13%)
 ............................................................... 126 / 484 ( 26%)
 ............................................................... 189 / 484 ( 39%)
 ............................................................... 252 / 484 ( 52%)
 ............................................................... 315 / 484 ( 65%)
 ............................................................... 378 / 484 ( 78%)
 ............................................................... 441 / 484 ( 91%)
 ........................................... 484 / 484 (100%)

Time: 10.73 seconds, Memory: 78.00MB

OK (484 tests, 927 assertions)

BUILD SUCCESSFUL in 15s
 2 actionable tasks: 1 executed, 1 up-to-date
 Resuming build at Wed Jan 24 15:57:45 CET 2018 after Jenkins restart
 Waiting to resume part of ACME-Pipeline (Branch) 20180124-155522-revUNKNOWN: Jenkins is about to shut down
 Waiting to resume part of ACME-Pipeline (Branch) 20180124-155522-revUNKNOWN: Jenkins is about to shut down
 Waiting to resume part of ACME-Pipeline (Branch) 20180124-155522-revUNKNOWN: Jenkins is about to shut down
 [Pipeline] End of Pipeline
 java.lang.ClassNotFoundException: org.jenkinsci.plugins.docker.workflow.Docker$Image
 at java.net.URLClassLoader.findClass(URLClassLoader.java:381)

Here is a thread dump after "Manage Jenkins > Prepare for Shutdown" + waiting for the finishing of the "sh" step using gradle to execute PHPUnit and right before restarting the Jenkins master.

Thread #18
    at com.ACME.php.PHPUnitViaGradle.execute([file:/var/lib/jenkins/jobs/ACME-Pipeline%20(Branch)/builds/660/libs/ACME-shared-library/src/com/ACME/php/PHPUnitViaGradle.groovy:30|file:///var/lib/jenkins/jobs/ACME-Pipeline%20(Branch)/builds/660/libs/ACME-shared-library/src/com/ACME/php/PHPUnitViaGradle.groovy:30])
    at org.jenkinsci.plugins.docker.workflow.Docker$Image.inside(jar:[file:/var/lib/jenkins/plugins/docker-workflow/WEB-INF/lib/docker-workflow.jar!/org/jenkinsci/plugins/docker/workflow/Docker.groovy:129|file:///var/lib/jenkins/plugins/docker-workflow/WEB-INF/lib/docker-workflow.jar!/org/jenkinsci/plugins/docker/workflow/Docker.groovy:129])
    at DSL.withDockerContainer(Native Method)
    at org.jenkinsci.plugins.docker.workflow.Docker$Image.inside(jar:[file:/var/lib/jenkins/plugins/docker-workflow/WEB-INF/lib/docker-workflow.jar!/org/jenkinsci/plugins/docker/workflow/Docker.groovy:128|file:///var/lib/jenkins/plugins/docker-workflow/WEB-INF/lib/docker-workflow.jar!/org/jenkinsci/plugins/docker/workflow/Docker.groovy:128])
    at org.jenkinsci.plugins.docker.workflow.Docker.node(jar:[file:/var/lib/jenkins/plugins/docker-workflow/WEB-INF/lib/docker-workflow.jar!/org/jenkinsci/plugins/docker/workflow/Docker.groovy:63|file:///var/lib/jenkins/plugins/docker-workflow/WEB-INF/lib/docker-workflow.jar!/org/jenkinsci/plugins/docker/workflow/Docker.groovy:63])
    at org.jenkinsci.plugins.docker.workflow.Docker$Image.inside(jar:[file:/var/lib/jenkins/plugins/docker-workflow/WEB-INF/lib/docker-workflow.jar!/org/jenkinsci/plugins/docker/workflow/Docker.groovy:116|file:///var/lib/jenkins/plugins/docker-workflow/WEB-INF/lib/docker-workflow.jar!/org/jenkinsci/plugins/docker/workflow/Docker.groovy:116])
    at com.ACME.php.PHPUnitViaGradle.execute([file:/var/lib/jenkins/jobs/ACME-Pipeline%20(Branch)/builds/660/libs/ACME-shared-library/src/com/ACME/php/PHPUnitViaGradle.groovy:26|file:///var/lib/jenkins/jobs/ACME-Pipeline%20(Branch)/builds/660/libs/ACME-shared-library/src/com/ACME/php/PHPUnitViaGradle.groovy:26])
    at ACME.executePHPUnitTests(/var/lib/jenkins/jobs/ACME-Pipeline (Branch)/builds/660/libs/ACME-shared-library/vars/ACME.groovy:191)
    at WorkflowScript.run(WorkflowScript:65)
    at com.ACME.Workspace.prepare([file:/var/lib/jenkins/jobs/ACME-Pipeline%20(Branch)/builds/660/libs/ACME-shared-library/src/com/ACME/Workspace.groovy:53|file:///var/lib/jenkins/jobs/ACME-Pipeline%20(Branch)/builds/660/libs/ACME-shared-library/src/com/ACME/Workspace.groovy:53])
    at DSL.ws(Native Method)
    at com.ACME.Workspace.prepare([file:/var/lib/jenkins/jobs/ACME-Pipeline%20(Branch)/builds/660/libs/ACME-shared-library/src/com/ACME/Workspace.groovy:30|file:///var/lib/jenkins/jobs/ACME-Pipeline%20(Branch)/builds/660/libs/ACME-shared-library/src/com/ACME/Workspace.groovy:30])
    at ACME.wsWithArtifacts(/var/lib/jenkins/jobs/ACME-Pipeline (Branch)/builds/660/libs/ACME-shared-library/vars/ACME.groovy:164)
    at WorkflowScript.run(WorkflowScript:64)
    at DSL.node(running on )
    at WorkflowScript.run(WorkflowScript:55)
    at ACME.skipableStage(/var/lib/jenkins/jobs/ACME-Pipeline (Branch)/builds/660/libs/ACME-shared-library/vars/ACME.groovy:76)
    at DSL.stage(Native Method)
    at ACME.skipableStage(/var/lib/jenkins/jobs/ACME-Pipeline (Branch)/builds/660/libs/ACME-shared-library/vars/ACME.groovy:67)
    at ACME.skipableStage(/var/lib/jenkins/jobs/ACME-Pipeline (Branch)/builds/660/libs/ACME-shared-library/vars/ACME.groovy:57)
    at ACME.skipableStage(/var/lib/jenkins/jobs/ACME-Pipeline (Branch)/builds/660/libs/ACME-shared-library/vars/ACME.groovy:52)
    at WorkflowScript.run(WorkflowScript:53)
    at com.ACME.Build.build([file:/var/lib/jenkins/jobs/ACME-Pipeline%20(Branch)/builds/660/libs/ACME-shared-library/src/com/ACME/Build.groovy:42|file:///var/lib/jenkins/jobs/ACME-Pipeline%20(Branch)/builds/660/libs/ACME-shared-library/src/com/ACME/Build.groovy:42])
    at ACME.build(/var/lib/jenkins/jobs/ACME-Pipeline (Branch)/builds/660/libs/ACME-shared-library/vars/ACME.groovy:48)
    at WorkflowScript.run(WorkflowScript:19)

Not sure if it is relevant, but the Jenkins setup is very up to date: Jenins v2.103 with very recent update of these plugins:

    ---> Plugins installed:
    ...
    workflow-api:2.25
    workflow-cps:2.43
    workflow-durable-task-step:2.18
    workflow-job:2.17
    workflow-multibranch:2.17
    workflow-support:2.17

..., and thus this output at the top of the build log:

    Running in Durability level: MAX_SURVIVABILITY

Is this supposed to work? If so, what am I missing?
Or can it work at all?

is related to

JENKINS-38316 Entering, then cancelling, quiet mode causes builds to hang

Resolved

Reinhold Füreder created issue - 2018-02-05 08:48

Reinhold Füreder made changes - 2018-02-05 08:50

Description

Original: (Alternative way of asking for help; cf. [https://groups.google.com/forum/#!msg/jenkinsci-users/xMxrpRJHIoA/KQoWVbnAAwAJ] for my initial attempt)

When playing around with resuming of pipelines after restarting the Jenkins master {color:#707070}(note - not sure if of relevance though: it is a single jenkins master without any slaves setup){color} during pipeline execution, I stumbled over the the following problem when the restart happens in the course of executing a {{docker.image(...).inside(...)}} closure:

{code:java}
java.lang.ClassNotFoundException: org.jenkinsci.plugins.docker.workflow.Docker$Image
at java.net.URLClassLoader.findClass(URLClassLoader.java:381)
at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
at groovy.lang.GroovyClassLoader.loadClass(GroovyClassLoader.java:677)
at groovy.lang.GroovyClassLoader.loadClass(GroovyClassLoader.java:787)
at groovy.lang.GroovyClassLoader.loadClass(GroovyClassLoader.java:775)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:348)
at org.jboss.marshalling.AbstractClassResolver.loadClass(AbstractClassResolver.java:131)
at org.jboss.marshalling.AbstractClassResolver.resolveClass(AbstractClassResolver.java:112)
at org.jboss.marshalling.river.RiverUnmarshaller.doReadClassDescriptor(RiverUnmarshaller.java:948)
at org.jboss.marshalling.river.RiverUnmarshaller.doReadNewObject(RiverUnmarshaller.java:1255)
at org.jboss.marshalling.river.RiverUnmarshaller.doReadObject(RiverUnmarshaller.java:276)
at org.jboss.marshalling.river.RiverUnmarshaller.doReadObject(RiverUnmarshaller.java:224)
at org.jboss.marshalling.river.RiverUnmarshaller.readFields(RiverUnmarshaller.java:1752)
at org.jboss.marshalling.river.RiverUnmarshaller.doInitSerializable(RiverUnmarshaller.java:1665)
at org.jboss.marshalling.river.RiverUnmarshaller.doInitSerializable(RiverUnmarshaller.java:1613)
at org.jboss.marshalling.river.RiverUnmarshaller.doInitSerializable(RiverUnmarshaller.java:1613)
at org.jboss.marshalling.river.RiverUnmarshaller.doReadNewObject(RiverUnmarshaller.java:1292)
at org.jboss.marshalling.river.RiverUnmarshaller.doReadObject(RiverUnmarshaller.java:276)
at org.jboss.marshalling.river.RiverUnmarshaller.doReadObject(RiverUnmarshaller.java:224)
at org.jboss.marshalling.river.RiverUnmarshaller.readFields(RiverUnmarshaller.java:1752)
at org.jboss.marshalling.river.RiverUnmarshaller.doInitSerializable(RiverUnmarshaller.java:1665)
at org.jboss.marshalling.river.RiverUnmarshaller.doInitSerializable(RiverUnmarshaller.java:1613)
at org.jboss.marshalling.river.RiverUnmarshaller.doInitSerializable(RiverUnmarshaller.java:1613)
at org.jboss.marshalling.river.RiverUnmarshaller.doReadNewObject(RiverUnmarshaller.java:1292)
at org.jboss.marshalling.river.RiverUnmarshaller.doReadObject(RiverUnmarshaller.java:276)
at org.jboss.marshalling.river.BlockUnmarshaller.readObject(BlockUnmarshaller.java:149)
at org.jboss.marshalling.river.BlockUnmarshaller.readObject(BlockUnmarshaller.java:135)
at org.jboss.marshalling.MarshallerObjectInputStream.readObjectOverride(MarshallerObjectInputStream.java:53)
at org.jboss.marshalling.river.RiverObjectInputStream.readObjectOverride(RiverObjectInputStream.java:307)
at java.io.ObjectInputStream.readObject(ObjectInputStream.java:422)
at java.util.HashMap.readObject(HashMap.java:1409)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.jboss.marshalling.reflect.SerializableClass.callReadObject(SerializableClass.java:309)
at org.jboss.marshalling.river.RiverUnmarshaller.doInitSerializable(RiverUnmarshaller.java:1644)
at org.jboss.marshalling.river.RiverUnmarshaller.doReadNewObject(RiverUnmarshaller.java:1292)
at org.jboss.marshalling.river.RiverUnmarshaller.doReadObject(RiverUnmarshaller.java:276)
at org.jboss.marshalling.river.RiverUnmarshaller.doReadObject(RiverUnmarshaller.java:224)
at org.jboss.marshalling.river.RiverUnmarshaller.readFields(RiverUnmarshaller.java:1752)
at org.jboss.marshalling.river.RiverUnmarshaller.doInitSerializable(RiverUnmarshaller.java:1665)
at org.jboss.marshalling.river.RiverUnmarshaller.doReadNewObject(RiverUnmarshaller.java:1292)
at org.jboss.marshalling.river.RiverUnmarshaller.doReadObject(RiverUnmarshaller.java:276)
at org.jboss.marshalling.river.RiverUnmarshaller.doReadObject(RiverUnmarshaller.java:209)
at org.jboss.marshalling.AbstractObjectInput.readObject(AbstractObjectInput.java:41)
at org.jenkinsci.plugins.workflow.cps.CpsFlowExecution$2.onSuccess(CpsFlowExecution.java:742)
at org.jenkinsci.plugins.workflow.cps.CpsFlowExecution$2.onSuccess(CpsFlowExecution.java:735)
at org.jenkinsci.plugins.workflow.support.concurrent.Futures$1.run(Futures.java:150)
at com.google.common.util.concurrent.MoreExecutors$SameThreadExecutorService.execute(MoreExecutors.java:253)
at com.google.common.util.concurrent.ExecutionList$RunnableExecutorPair.execute(ExecutionList.java:149)
at com.google.common.util.concurrent.ExecutionList.execute(ExecutionList.java:134)
at com.google.common.util.concurrent.AbstractFuture.set(AbstractFuture.java:170)
at org.jenkinsci.plugins.workflow.support.concurrent.ChainingListenableFuture.access$000(ChainingListenableFuture.java:33)
at org.jenkinsci.plugins.workflow.support.concurrent.ChainingListenableFuture$1.run(ChainingListenableFuture.java:196)
at com.google.common.util.concurrent.MoreExecutors$SameThreadExecutorService.execute(MoreExecutors.java:253)
at com.google.common.util.concurrent.ExecutionList$RunnableExecutorPair.execute(ExecutionList.java:149)
at com.google.common.util.concurrent.ExecutionList.add(ExecutionList.java:105)
at com.google.common.util.concurrent.AbstractFuture.addListener(AbstractFuture.java:155)
at org.jenkinsci.plugins.workflow.support.concurrent.ChainingListenableFuture.run(ChainingListenableFuture.java:189)
at com.google.common.util.concurrent.MoreExecutors$SameThreadExecutorService.execute(MoreExecutors.java:253)
at com.google.common.util.concurrent.ExecutionList$RunnableExecutorPair.execute(ExecutionList.java:149)
at com.google.common.util.concurrent.ExecutionList.execute(ExecutionList.java:134)
at com.google.common.util.concurrent.AbstractFuture.set(AbstractFuture.java:170)
at org.jenkinsci.plugins.workflow.support.concurrent.ChainingListenableFuture.access$000(ChainingListenableFuture.java:33)
at org.jenkinsci.plugins.workflow.support.concurrent.ChainingListenableFuture$1.run(ChainingListenableFuture.java:196)
at com.google.common.util.concurrent.MoreExecutors$SameThreadExecutorService.execute(MoreExecutors.java:253)
at com.google.common.util.concurrent.ExecutionList$RunnableExecutorPair.execute(ExecutionList.java:149)
at com.google.common.util.concurrent.ExecutionList.add(ExecutionList.java:105)
at com.google.common.util.concurrent.AbstractFuture.addListener(AbstractFuture.java:155)
at org.jenkinsci.plugins.workflow.support.concurrent.ChainingListenableFuture.run(ChainingListenableFuture.java:189)
at com.google.common.util.concurrent.MoreExecutors$SameThreadExecutorService.execute(MoreExecutors.java:253)
at com.google.common.util.concurrent.ExecutionList$RunnableExecutorPair.execute(ExecutionList.java:149)
at com.google.common.util.concurrent.ExecutionList.execute(ExecutionList.java:134)
at com.google.common.util.concurrent.AbstractFuture.set(AbstractFuture.java:170)
at org.jenkinsci.plugins.workflow.support.concurrent.ListFuture.setOneValue(ListFuture.java:158)
at org.jenkinsci.plugins.workflow.support.concurrent.ListFuture.access$000(ListFuture.java:40)
at org.jenkinsci.plugins.workflow.support.concurrent.ListFuture$2.run(ListFuture.java:107)
at com.google.common.util.concurrent.MoreExecutors$SameThreadExecutorService.execute(MoreExecutors.java:253)
at com.google.common.util.concurrent.ExecutionList$RunnableExecutorPair.execute(ExecutionList.java:149)
at com.google.common.util.concurrent.ExecutionList.execute(ExecutionList.java:134)
at com.google.common.util.concurrent.AbstractFuture.set(AbstractFuture.java:170)
at org.jenkinsci.plugins.workflow.support.concurrent.ChainingListenableFuture.access$000(ChainingListenableFuture.java:33)
at org.jenkinsci.plugins.workflow.support.concurrent.ChainingListenableFuture$1.run(ChainingListenableFuture.java:196)
at com.google.common.util.concurrent.MoreExecutors$SameThreadExecutorService.execute(MoreExecutors.java:253)
at com.google.common.util.concurrent.ExecutionList$RunnableExecutorPair.execute(ExecutionList.java:149)
at com.google.common.util.concurrent.ExecutionList.add(ExecutionList.java:105)
at com.google.common.util.concurrent.AbstractFuture.addListener(AbstractFuture.java:155)
at org.jenkinsci.plugins.workflow.support.concurrent.ChainingListenableFuture.run(ChainingListenableFuture.java:189)
at com.google.common.util.concurrent.MoreExecutors$SameThreadExecutorService.execute(MoreExecutors.java:253)
at com.google.common.util.concurrent.ExecutionList$RunnableExecutorPair.execute(ExecutionList.java:149)
at com.google.common.util.concurrent.ExecutionList.execute(ExecutionList.java:134)
at com.google.common.util.concurrent.AbstractFuture.set(AbstractFuture.java:170)
at org.jenkinsci.plugins.workflow.support.pickles.TryRepeatedly.access$500(TryRepeatedly.java:48)
at org.jenkinsci.plugins.workflow.support.pickles.TryRepeatedly$1.run(TryRepeatedly.java:112)
at jenkins.security.ImpersonatingScheduledExecutorService$1.run(ImpersonatingScheduledExecutorService.java:58)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
Caused: java.io.IOException: Failed to load build state
at org.jenkinsci.plugins.workflow.cps.CpsFlowExecution$3.onSuccess(CpsFlowExecution.java:814)
at org.jenkinsci.plugins.workflow.cps.CpsFlowExecution$3.onSuccess(CpsFlowExecution.java:812)
at org.jenkinsci.plugins.workflow.cps.CpsFlowExecution$4$1.run(CpsFlowExecution.java:861)
at org.jenkinsci.plugins.workflow.cps.CpsVmExecutorService$1.run(CpsVmExecutorService.java:35)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at hudson.remoting.SingleLaneExecutorService$1.run(SingleLaneExecutorService.java:131)
at jenkins.util.ContextResettingExecutorService$1.run(ContextResettingExecutorService.java:28)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)
{code}

Here is the build log right before the problem and including the resume logs:
{code}
[Pipeline] sh
[ACME-Pipeline (Branch)-WS] Running shell script
+ docker inspect -f . ACME/phpunit:5
.
[Pipeline] withDockerContainer
Jenkins does not seem to be running inside a container
$ docker run -t -d -u 10112:10005 --entrypoint -w "/var/lib/jenkins/workspace/ACME-Pipeline (Branch)-WS" -v "/var/lib/jenkins/workspace/ACME-Pipeline (Branch)-WS:/var/lib/jenkins/workspace/ACME-Pipeline (Branch)-WS:rw,z" -v "/var/lib/jenkins/workspace/ACME-Pipeline (Branch)-WS@tmp:/var/lib/jenkins/workspace/ACME-Pipeline (Branch)-WS@tmp:rw,z" -e ******** -e ******** -e ******** -e ******** -e ******** -e ******** -e ******** -e ******** -e ******** -e ******** -e ******** -e ******** -e ******** -e ******** -e ******** -e ******** -e ******** -e ******** -e ******** -e ******** -e ******** -e ******** -e ******** -e ******** -e ******** -e ******** --entrypoint cat ACME/phpunit:5
[Pipeline] \{
[Pipeline] sh
[ACME-Pipeline (Branch)-WS] Running shell script
...
[Pipeline] sh
[ACME-Pipeline (Branch)-WS] Running shell script
+ ./gradlew --no-daemon -PphpUnitXml=phpunit-result.xml executePlainPHPUnitTests
:deleteDependencyCache UP-TO-DATE
:executePlainPHPUnitTests
PHPUnit 6.5.5 by Sebastian Bergmann and contributors.

............................................................... 63 / 484 ( 13%)
............................................................... 126 / 484 ( 26%)
............................................................... 189 / 484 ( 39%)
............................................................... 252 / 484 ( 52%)
............................................................... 315 / 484 ( 65%)
............................................................... 378 / 484 ( 78%)
............................................................... 441 / 484 ( 91%)
........................................... 484 / 484 (100%)

Time: 10.73 seconds, Memory: 78.00MB

OK (484 tests, 927 assertions)

BUILD SUCCESSFUL in 15s
2 actionable tasks: 1 executed, 1 up-to-date
Resuming build at Wed Jan 24 15:57:45 CET 2018 after Jenkins restart
Waiting to resume part of ACME-Pipeline (Branch) 20180124-155522-revUNKNOWN: Jenkins is about to shut down
Waiting to resume part of ACME-Pipeline (Branch) 20180124-155522-revUNKNOWN: Jenkins is about to shut down
Waiting to resume part of ACME-Pipeline (Branch) 20180124-155522-revUNKNOWN: Jenkins is about to shut down
[Pipeline] End of Pipeline
java.lang.ClassNotFoundException: org.jenkinsci.plugins.docker.workflow.Docker$Image
at java.net.URLClassLoader.findClass(URLClassLoader.java:381)
{code}

Here is a thread dump after "Manage Jenkins > Prepare for Shutdown" + waiting for the finishing of the "sh" step using gradle to execute PHPUnit and right before restarting the Jenkins master.
{code}
Thread #18
at com.ACME.php.PHPUnitViaGradle.execute([file:/var/lib/jenkins/jobs/ACME-Pipeline%20(Branch)/builds/660/libs/ACME-shared-library/src/com/ACME/php/PHPUnitViaGradle.groovy:30|file:///var/lib/jenkins/jobs/ACME-Pipeline%20(Branch)/builds/660/libs/ACME-shared-library/src/com/ACME/php/PHPUnitViaGradle.groovy:30])
at org.jenkinsci.plugins.docker.workflow.Docker$Image.inside(jar:[file:/var/lib/jenkins/plugins/docker-workflow/WEB-INF/lib/docker-workflow.jar!/org/jenkinsci/plugins/docker/workflow/Docker.groovy:129|file:///var/lib/jenkins/plugins/docker-workflow/WEB-INF/lib/docker-workflow.jar!/org/jenkinsci/plugins/docker/workflow/Docker.groovy:129])
at DSL.withDockerContainer(Native Method)
at org.jenkinsci.plugins.docker.workflow.Docker$Image.inside(jar:[file:/var/lib/jenkins/plugins/docker-workflow/WEB-INF/lib/docker-workflow.jar!/org/jenkinsci/plugins/docker/workflow/Docker.groovy:128|file:///var/lib/jenkins/plugins/docker-workflow/WEB-INF/lib/docker-workflow.jar!/org/jenkinsci/plugins/docker/workflow/Docker.groovy:128])
at org.jenkinsci.plugins.docker.workflow.Docker.node(jar:[file:/var/lib/jenkins/plugins/docker-workflow/WEB-INF/lib/docker-workflow.jar!/org/jenkinsci/plugins/docker/workflow/Docker.groovy:63|file:///var/lib/jenkins/plugins/docker-workflow/WEB-INF/lib/docker-workflow.jar!/org/jenkinsci/plugins/docker/workflow/Docker.groovy:63])
at org.jenkinsci.plugins.docker.workflow.Docker$Image.inside(jar:[file:/var/lib/jenkins/plugins/docker-workflow/WEB-INF/lib/docker-workflow.jar!/org/jenkinsci/plugins/docker/workflow/Docker.groovy:116|file:///var/lib/jenkins/plugins/docker-workflow/WEB-INF/lib/docker-workflow.jar!/org/jenkinsci/plugins/docker/workflow/Docker.groovy:116])
at com.ACME.php.PHPUnitViaGradle.execute([file:/var/lib/jenkins/jobs/ACME-Pipeline%20(Branch)/builds/660/libs/ACME-shared-library/src/com/ACME/php/PHPUnitViaGradle.groovy:26|file:///var/lib/jenkins/jobs/ACME-Pipeline%20(Branch)/builds/660/libs/ACME-shared-library/src/com/ACME/php/PHPUnitViaGradle.groovy:26])
at ACME.executePHPUnitTests(/var/lib/jenkins/jobs/ACME-Pipeline (Branch)/builds/660/libs/ACME-shared-library/vars/ACME.groovy:191)
at WorkflowScript.run(WorkflowScript:65)
at com.ACME.Workspace.prepare([file:/var/lib/jenkins/jobs/ACME-Pipeline%20(Branch)/builds/660/libs/ACME-shared-library/src/com/ACME/Workspace.groovy:53|file:///var/lib/jenkins/jobs/ACME-Pipeline%20(Branch)/builds/660/libs/ACME-shared-library/src/com/ACME/Workspace.groovy:53])
at DSL.ws(Native Method)
at com.ACME.Workspace.prepare([file:/var/lib/jenkins/jobs/ACME-Pipeline%20(Branch)/builds/660/libs/ACME-shared-library/src/com/ACME/Workspace.groovy:30|file:///var/lib/jenkins/jobs/ACME-Pipeline%20(Branch)/builds/660/libs/ACME-shared-library/src/com/ACME/Workspace.groovy:30])
at ACME.wsWithArtifacts(/var/lib/jenkins/jobs/ACME-Pipeline (Branch)/builds/660/libs/ACME-shared-library/vars/ACME.groovy:164)
at WorkflowScript.run(WorkflowScript:64)
at DSL.node(running on )
at WorkflowScript.run(WorkflowScript:55)
at ACME.skipableStage(/var/lib/jenkins/jobs/ACME-Pipeline (Branch)/builds/660/libs/ACME-shared-library/vars/ACME.groovy:76)
at DSL.stage(Native Method)
at ACME.skipableStage(/var/lib/jenkins/jobs/ACME-Pipeline (Branch)/builds/660/libs/ACME-shared-library/vars/ACME.groovy:67)
at ACME.skipableStage(/var/lib/jenkins/jobs/ACME-Pipeline (Branch)/builds/660/libs/ACME-shared-library/vars/ACME.groovy:57)
at ACME.skipableStage(/var/lib/jenkins/jobs/ACME-Pipeline (Branch)/builds/660/libs/ACME-shared-library/vars/ACME.groovy:52)
at WorkflowScript.run(WorkflowScript:53)
at com.ACME.Build.build([file:/var/lib/jenkins/jobs/ACME-Pipeline%20(Branch)/builds/660/libs/ACME-shared-library/src/com/ACME/Build.groovy:42|file:///var/lib/jenkins/jobs/ACME-Pipeline%20(Branch)/builds/660/libs/ACME-shared-library/src/com/ACME/Build.groovy:42])
at ACME.build(/var/lib/jenkins/jobs/ACME-Pipeline (Branch)/builds/660/libs/ACME-shared-library/vars/ACME.groovy:48)
at WorkflowScript.run(WorkflowScript:19)
{code}

Not sure if it is relevant, but the Jenkins setup is very up to date: Jenins v2.103 with very recent update of these plugins:
{code}
---> Plugins installed:
...
workflow-api:2.25
workflow-cps:2.43
workflow-durable-task-step:2.18
workflow-job:2.17
workflow-multibranch:2.17
workflow-support:2.17
{code}
..., and thus this output at the top of the build log:
{code}
Running in Durability level: MAX_SURVIVABILITY
{code}

Is this supposed to work? If so, what am I missing?
Or can it work at all?

New: (Alternative way of asking for help; cf. [https://groups.google.com/forum/#!msg/jenkinsci-users/xMxrpRJHIoA/KQoWVbnAAwAJ] for my initial attempt)

When playing around with resuming of pipelines after restarting the Jenkins master {color:#707070}(note - not sure if of relevance though: it is a single jenkins master without any slaves setup){color} during pipeline execution, I stumbled over the the following problem when the restart happens in the course of executing a {{docker.image(...).inside(...)}} closure:

{code:java}
java.lang.ClassNotFoundException: org.jenkinsci.plugins.docker.workflow.Docker$Image
    at java.net.URLClassLoader.findClass(URLClassLoader.java:381)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
    at groovy.lang.GroovyClassLoader.loadClass(GroovyClassLoader.java:677)
    at groovy.lang.GroovyClassLoader.loadClass(GroovyClassLoader.java:787)
    at groovy.lang.GroovyClassLoader.loadClass(GroovyClassLoader.java:775)
    at java.lang.Class.forName0(Native Method)
    at java.lang.Class.forName(Class.java:348)
    at org.jboss.marshalling.AbstractClassResolver.loadClass(AbstractClassResolver.java:131)
    at org.jboss.marshalling.AbstractClassResolver.resolveClass(AbstractClassResolver.java:112)
    at org.jboss.marshalling.river.RiverUnmarshaller.doReadClassDescriptor(RiverUnmarshaller.java:948)
    at org.jboss.marshalling.river.RiverUnmarshaller.doReadNewObject(RiverUnmarshaller.java:1255)
    at org.jboss.marshalling.river.RiverUnmarshaller.doReadObject(RiverUnmarshaller.java:276)
    at org.jboss.marshalling.river.RiverUnmarshaller.doReadObject(RiverUnmarshaller.java:224)
    at org.jboss.marshalling.river.RiverUnmarshaller.readFields(RiverUnmarshaller.java:1752)
    at org.jboss.marshalling.river.RiverUnmarshaller.doInitSerializable(RiverUnmarshaller.java:1665)
    at org.jboss.marshalling.river.RiverUnmarshaller.doInitSerializable(RiverUnmarshaller.java:1613)
    at org.jboss.marshalling.river.RiverUnmarshaller.doInitSerializable(RiverUnmarshaller.java:1613)
    at org.jboss.marshalling.river.RiverUnmarshaller.doReadNewObject(RiverUnmarshaller.java:1292)
    at org.jboss.marshalling.river.RiverUnmarshaller.doReadObject(RiverUnmarshaller.java:276)
    at org.jboss.marshalling.river.RiverUnmarshaller.doReadObject(RiverUnmarshaller.java:224)
    at org.jboss.marshalling.river.RiverUnmarshaller.readFields(RiverUnmarshaller.java:1752)
    at org.jboss.marshalling.river.RiverUnmarshaller.doInitSerializable(RiverUnmarshaller.java:1665)
    at org.jboss.marshalling.river.RiverUnmarshaller.doInitSerializable(RiverUnmarshaller.java:1613)
    at org.jboss.marshalling.river.RiverUnmarshaller.doInitSerializable(RiverUnmarshaller.java:1613)
    at org.jboss.marshalling.river.RiverUnmarshaller.doReadNewObject(RiverUnmarshaller.java:1292)
    at org.jboss.marshalling.river.RiverUnmarshaller.doReadObject(RiverUnmarshaller.java:276)
    at org.jboss.marshalling.river.BlockUnmarshaller.readObject(BlockUnmarshaller.java:149)
    at org.jboss.marshalling.river.BlockUnmarshaller.readObject(BlockUnmarshaller.java:135)
    at org.jboss.marshalling.MarshallerObjectInputStream.readObjectOverride(MarshallerObjectInputStream.java:53)
    at org.jboss.marshalling.river.RiverObjectInputStream.readObjectOverride(RiverObjectInputStream.java:307)
    at java.io.ObjectInputStream.readObject(ObjectInputStream.java:422)
    at java.util.HashMap.readObject(HashMap.java:1409)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:498)
    at org.jboss.marshalling.reflect.SerializableClass.callReadObject(SerializableClass.java:309)
    at org.jboss.marshalling.river.RiverUnmarshaller.doInitSerializable(RiverUnmarshaller.java:1644)
    at org.jboss.marshalling.river.RiverUnmarshaller.doReadNewObject(RiverUnmarshaller.java:1292)
    at org.jboss.marshalling.river.RiverUnmarshaller.doReadObject(RiverUnmarshaller.java:276)
    at org.jboss.marshalling.river.RiverUnmarshaller.doReadObject(RiverUnmarshaller.java:224)
    at org.jboss.marshalling.river.RiverUnmarshaller.readFields(RiverUnmarshaller.java:1752)
    at org.jboss.marshalling.river.RiverUnmarshaller.doInitSerializable(RiverUnmarshaller.java:1665)
    at org.jboss.marshalling.river.RiverUnmarshaller.doReadNewObject(RiverUnmarshaller.java:1292)
    at org.jboss.marshalling.river.RiverUnmarshaller.doReadObject(RiverUnmarshaller.java:276)
    at org.jboss.marshalling.river.RiverUnmarshaller.doReadObject(RiverUnmarshaller.java:209)
    at org.jboss.marshalling.AbstractObjectInput.readObject(AbstractObjectInput.java:41)
    at org.jenkinsci.plugins.workflow.cps.CpsFlowExecution$2.onSuccess(CpsFlowExecution.java:742)
    at org.jenkinsci.plugins.workflow.cps.CpsFlowExecution$2.onSuccess(CpsFlowExecution.java:735)
    at org.jenkinsci.plugins.workflow.support.concurrent.Futures$1.run(Futures.java:150)
    at com.google.common.util.concurrent.MoreExecutors$SameThreadExecutorService.execute(MoreExecutors.java:253)
    at com.google.common.util.concurrent.ExecutionList$RunnableExecutorPair.execute(ExecutionList.java:149)
    at com.google.common.util.concurrent.ExecutionList.execute(ExecutionList.java:134)
    at com.google.common.util.concurrent.AbstractFuture.set(AbstractFuture.java:170)
    at org.jenkinsci.plugins.workflow.support.concurrent.ChainingListenableFuture.access$000(ChainingListenableFuture.java:33)
    at org.jenkinsci.plugins.workflow.support.concurrent.ChainingListenableFuture$1.run(ChainingListenableFuture.java:196)
    at com.google.common.util.concurrent.MoreExecutors$SameThreadExecutorService.execute(MoreExecutors.java:253)
    at com.google.common.util.concurrent.ExecutionList$RunnableExecutorPair.execute(ExecutionList.java:149)
    at com.google.common.util.concurrent.ExecutionList.add(ExecutionList.java:105)
    at com.google.common.util.concurrent.AbstractFuture.addListener(AbstractFuture.java:155)
    at org.jenkinsci.plugins.workflow.support.concurrent.ChainingListenableFuture.run(ChainingListenableFuture.java:189)
    at com.google.common.util.concurrent.MoreExecutors$SameThreadExecutorService.execute(MoreExecutors.java:253)
    at com.google.common.util.concurrent.ExecutionList$RunnableExecutorPair.execute(ExecutionList.java:149)
    at com.google.common.util.concurrent.ExecutionList.execute(ExecutionList.java:134)
    at com.google.common.util.concurrent.AbstractFuture.set(AbstractFuture.java:170)
    at org.jenkinsci.plugins.workflow.support.concurrent.ChainingListenableFuture.access$000(ChainingListenableFuture.java:33)
    at org.jenkinsci.plugins.workflow.support.concurrent.ChainingListenableFuture$1.run(ChainingListenableFuture.java:196)
    at com.google.common.util.concurrent.MoreExecutors$SameThreadExecutorService.execute(MoreExecutors.java:253)
    at com.google.common.util.concurrent.ExecutionList$RunnableExecutorPair.execute(ExecutionList.java:149)
    at com.google.common.util.concurrent.ExecutionList.add(ExecutionList.java:105)
    at com.google.common.util.concurrent.AbstractFuture.addListener(AbstractFuture.java:155)
    at org.jenkinsci.plugins.workflow.support.concurrent.ChainingListenableFuture.run(ChainingListenableFuture.java:189)
    at com.google.common.util.concurrent.MoreExecutors$SameThreadExecutorService.execute(MoreExecutors.java:253)
    at com.google.common.util.concurrent.ExecutionList$RunnableExecutorPair.execute(ExecutionList.java:149)
    at com.google.common.util.concurrent.ExecutionList.execute(ExecutionList.java:134)
    at com.google.common.util.concurrent.AbstractFuture.set(AbstractFuture.java:170)
    at org.jenkinsci.plugins.workflow.support.concurrent.ListFuture.setOneValue(ListFuture.java:158)
    at org.jenkinsci.plugins.workflow.support.concurrent.ListFuture.access$000(ListFuture.java:40)
    at org.jenkinsci.plugins.workflow.support.concurrent.ListFuture$2.run(ListFuture.java:107)
    at com.google.common.util.concurrent.MoreExecutors$SameThreadExecutorService.execute(MoreExecutors.java:253)
    at com.google.common.util.concurrent.ExecutionList$RunnableExecutorPair.execute(ExecutionList.java:149)
    at com.google.common.util.concurrent.ExecutionList.execute(ExecutionList.java:134)
    at com.google.common.util.concurrent.AbstractFuture.set(AbstractFuture.java:170)
    at org.jenkinsci.plugins.workflow.support.concurrent.ChainingListenableFuture.access$000(ChainingListenableFuture.java:33)
    at org.jenkinsci.plugins.workflow.support.concurrent.ChainingListenableFuture$1.run(ChainingListenableFuture.java:196)
    at com.google.common.util.concurrent.MoreExecutors$SameThreadExecutorService.execute(MoreExecutors.java:253)
    at com.google.common.util.concurrent.ExecutionList$RunnableExecutorPair.execute(ExecutionList.java:149)
    at com.google.common.util.concurrent.ExecutionList.add(ExecutionList.java:105)
    at com.google.common.util.concurrent.AbstractFuture.addListener(AbstractFuture.java:155)
    at org.jenkinsci.plugins.workflow.support.concurrent.ChainingListenableFuture.run(ChainingListenableFuture.java:189)
    at com.google.common.util.concurrent.MoreExecutors$SameThreadExecutorService.execute(MoreExecutors.java:253)
    at com.google.common.util.concurrent.ExecutionList$RunnableExecutorPair.execute(ExecutionList.java:149)
    at com.google.common.util.concurrent.ExecutionList.execute(ExecutionList.java:134)
    at com.google.common.util.concurrent.AbstractFuture.set(AbstractFuture.java:170)
    at org.jenkinsci.plugins.workflow.support.pickles.TryRepeatedly.access$500(TryRepeatedly.java:48)
    at org.jenkinsci.plugins.workflow.support.pickles.TryRepeatedly$1.run(TryRepeatedly.java:112)
    at jenkins.security.ImpersonatingScheduledExecutorService$1.run(ImpersonatingScheduledExecutorService.java:58)
    at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
    at java.util.concurrent.FutureTask.run(FutureTask.java:266)
    at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
    at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
Caused: java.io.IOException: Failed to load build state
    at org.jenkinsci.plugins.workflow.cps.CpsFlowExecution$3.onSuccess(CpsFlowExecution.java:814)
    at org.jenkinsci.plugins.workflow.cps.CpsFlowExecution$3.onSuccess(CpsFlowExecution.java:812)
    at org.jenkinsci.plugins.workflow.cps.CpsFlowExecution$4$1.run(CpsFlowExecution.java:861)
    at org.jenkinsci.plugins.workflow.cps.CpsVmExecutorService$1.run(CpsVmExecutorService.java:35)
    at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
    at java.util.concurrent.FutureTask.run(FutureTask.java:266)
    at hudson.remoting.SingleLaneExecutorService$1.run(SingleLaneExecutorService.java:131)
    at jenkins.util.ContextResettingExecutorService$1.run(ContextResettingExecutorService.java:28)
    at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
    at java.util.concurrent.FutureTask.run(FutureTask.java:266)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
    at java.lang.Thread.run(Thread.java:748)
{code}

Here is the build log right before the problem and including the resume logs:
{code}
[Pipeline] sh
[ACME-Pipeline (Branch)-WS] Running shell script
+ docker inspect -f . ACME/phpunit:5
.
[Pipeline] withDockerContainer
Jenkins does not seem to be running inside a container
$ docker run -t -d -u 10112:10005 --entrypoint -w "/var/lib/jenkins/workspace/ACME-Pipeline (Branch)-WS" -v "/var/lib/jenkins/workspace/ACME-Pipeline (Branch)-WS:/var/lib/jenkins/workspace/ACME-Pipeline (Branch)-WS:rw,z" -v "/var/lib/jenkins/workspace/ACME-Pipeline (Branch)-WS@tmp:/var/lib/jenkins/workspace/ACME-Pipeline (Branch)-WS@tmp:rw,z" -e ******** -e ******** -e ******** -e ******** -e ******** -e ******** -e ******** -e ******** -e ******** -e ******** -e ******** -e ******** -e ******** -e ******** -e ******** -e ******** -e ******** -e ******** -e ******** -e ******** -e ******** -e ******** -e ******** -e ******** -e ******** -e ******** --entrypoint cat ACME/phpunit:5
[Pipeline] \{
[Pipeline] sh
[ACME-Pipeline (Branch)-WS] Running shell script
...
[Pipeline] sh
[ACME-Pipeline (Branch)-WS] Running shell script
+ ./gradlew --no-daemon -PphpUnitXml=phpunit-result.xml executePlainPHPUnitTests
:deleteDependencyCache UP-TO-DATE
:executePlainPHPUnitTests
PHPUnit 6.5.5 by Sebastian Bergmann and contributors.

............................................................... 63 / 484 ( 13%)
............................................................... 126 / 484 ( 26%)
............................................................... 189 / 484 ( 39%)
............................................................... 252 / 484 ( 52%)
............................................................... 315 / 484 ( 65%)
............................................................... 378 / 484 ( 78%)
............................................................... 441 / 484 ( 91%)
........................................... 484 / 484 (100%)

Time: 10.73 seconds, Memory: 78.00MB

OK (484 tests, 927 assertions)

BUILD SUCCESSFUL in 15s
2 actionable tasks: 1 executed, 1 up-to-date
Resuming build at Wed Jan 24 15:57:45 CET 2018 after Jenkins restart
Waiting to resume part of ACME-Pipeline (Branch) 20180124-155522-revUNKNOWN: Jenkins is about to shut down
Waiting to resume part of ACME-Pipeline (Branch) 20180124-155522-revUNKNOWN: Jenkins is about to shut down
Waiting to resume part of ACME-Pipeline (Branch) 20180124-155522-revUNKNOWN: Jenkins is about to shut down
[Pipeline] End of Pipeline
java.lang.ClassNotFoundException: org.jenkinsci.plugins.docker.workflow.Docker$Image
at java.net.URLClassLoader.findClass(URLClassLoader.java:381)
{code}

Here is a thread dump after "Manage Jenkins > Prepare for Shutdown" + waiting for the finishing of the "sh" step using gradle to execute PHPUnit and right before restarting the Jenkins master.
{code}
Thread #18
    at com.ACME.php.PHPUnitViaGradle.execute([file:/var/lib/jenkins/jobs/ACME-Pipeline%20(Branch)/builds/660/libs/ACME-shared-library/src/com/ACME/php/PHPUnitViaGradle.groovy:30|file:///var/lib/jenkins/jobs/ACME-Pipeline%20(Branch)/builds/660/libs/ACME-shared-library/src/com/ACME/php/PHPUnitViaGradle.groovy:30])
    at org.jenkinsci.plugins.docker.workflow.Docker$Image.inside(jar:[file:/var/lib/jenkins/plugins/docker-workflow/WEB-INF/lib/docker-workflow.jar!/org/jenkinsci/plugins/docker/workflow/Docker.groovy:129|file:///var/lib/jenkins/plugins/docker-workflow/WEB-INF/lib/docker-workflow.jar!/org/jenkinsci/plugins/docker/workflow/Docker.groovy:129])
    at DSL.withDockerContainer(Native Method)
    at org.jenkinsci.plugins.docker.workflow.Docker$Image.inside(jar:[file:/var/lib/jenkins/plugins/docker-workflow/WEB-INF/lib/docker-workflow.jar!/org/jenkinsci/plugins/docker/workflow/Docker.groovy:128|file:///var/lib/jenkins/plugins/docker-workflow/WEB-INF/lib/docker-workflow.jar!/org/jenkinsci/plugins/docker/workflow/Docker.groovy:128])
    at org.jenkinsci.plugins.docker.workflow.Docker.node(jar:[file:/var/lib/jenkins/plugins/docker-workflow/WEB-INF/lib/docker-workflow.jar!/org/jenkinsci/plugins/docker/workflow/Docker.groovy:63|file:///var/lib/jenkins/plugins/docker-workflow/WEB-INF/lib/docker-workflow.jar!/org/jenkinsci/plugins/docker/workflow/Docker.groovy:63])
    at org.jenkinsci.plugins.docker.workflow.Docker$Image.inside(jar:[file:/var/lib/jenkins/plugins/docker-workflow/WEB-INF/lib/docker-workflow.jar!/org/jenkinsci/plugins/docker/workflow/Docker.groovy:116|file:///var/lib/jenkins/plugins/docker-workflow/WEB-INF/lib/docker-workflow.jar!/org/jenkinsci/plugins/docker/workflow/Docker.groovy:116])
    at com.ACME.php.PHPUnitViaGradle.execute([file:/var/lib/jenkins/jobs/ACME-Pipeline%20(Branch)/builds/660/libs/ACME-shared-library/src/com/ACME/php/PHPUnitViaGradle.groovy:26|file:///var/lib/jenkins/jobs/ACME-Pipeline%20(Branch)/builds/660/libs/ACME-shared-library/src/com/ACME/php/PHPUnitViaGradle.groovy:26])
    at ACME.executePHPUnitTests(/var/lib/jenkins/jobs/ACME-Pipeline (Branch)/builds/660/libs/ACME-shared-library/vars/ACME.groovy:191)
    at WorkflowScript.run(WorkflowScript:65)
    at com.ACME.Workspace.prepare([file:/var/lib/jenkins/jobs/ACME-Pipeline%20(Branch)/builds/660/libs/ACME-shared-library/src/com/ACME/Workspace.groovy:53|file:///var/lib/jenkins/jobs/ACME-Pipeline%20(Branch)/builds/660/libs/ACME-shared-library/src/com/ACME/Workspace.groovy:53])
    at DSL.ws(Native Method)
    at com.ACME.Workspace.prepare([file:/var/lib/jenkins/jobs/ACME-Pipeline%20(Branch)/builds/660/libs/ACME-shared-library/src/com/ACME/Workspace.groovy:30|file:///var/lib/jenkins/jobs/ACME-Pipeline%20(Branch)/builds/660/libs/ACME-shared-library/src/com/ACME/Workspace.groovy:30])
    at ACME.wsWithArtifacts(/var/lib/jenkins/jobs/ACME-Pipeline (Branch)/builds/660/libs/ACME-shared-library/vars/ACME.groovy:164)
    at WorkflowScript.run(WorkflowScript:64)
    at DSL.node(running on )
    at WorkflowScript.run(WorkflowScript:55)
    at ACME.skipableStage(/var/lib/jenkins/jobs/ACME-Pipeline (Branch)/builds/660/libs/ACME-shared-library/vars/ACME.groovy:76)
    at DSL.stage(Native Method)
    at ACME.skipableStage(/var/lib/jenkins/jobs/ACME-Pipeline (Branch)/builds/660/libs/ACME-shared-library/vars/ACME.groovy:67)
    at ACME.skipableStage(/var/lib/jenkins/jobs/ACME-Pipeline (Branch)/builds/660/libs/ACME-shared-library/vars/ACME.groovy:57)
    at ACME.skipableStage(/var/lib/jenkins/jobs/ACME-Pipeline (Branch)/builds/660/libs/ACME-shared-library/vars/ACME.groovy:52)
    at WorkflowScript.run(WorkflowScript:53)
    at com.ACME.Build.build([file:/var/lib/jenkins/jobs/ACME-Pipeline%20(Branch)/builds/660/libs/ACME-shared-library/src/com/ACME/Build.groovy:42|file:///var/lib/jenkins/jobs/ACME-Pipeline%20(Branch)/builds/660/libs/ACME-shared-library/src/com/ACME/Build.groovy:42])
    at ACME.build(/var/lib/jenkins/jobs/ACME-Pipeline (Branch)/builds/660/libs/ACME-shared-library/vars/ACME.groovy:48)
    at WorkflowScript.run(WorkflowScript:19)
{code}

Not sure if it is relevant, but the Jenkins setup is very up to date: Jenins v2.103 with very recent update of these plugins:
{code}
    ---> Plugins installed:
    ...
    workflow-api:2.25
    workflow-cps:2.43
    workflow-durable-task-step:2.18
    workflow-job:2.17
    workflow-multibranch:2.17
    workflow-support:2.17
{code}
..., and thus this output at the top of the build log:
{code}
    Running in Durability level: MAX_SURVIVABILITY
{code}

Is this supposed to work? If so, what am I missing?
Or can it work at all?

Reinhold Füreder made changes - 2018-02-15 10:46

Priority

Original: Critical [ 2 ]

New: Blocker [ 1 ]

Reinhold Füreder added a comment - 2018-03-09 11:44

I guess there are (at least) two different problems: (1) the Docker container presumably is terminated and (2) loading the build state fails because de-serialization does not work or is maybe intentionally not supported because of issue #1?

svanoort Just a naive thought, but do you think there is a workaround possibility related/similar to your recently introduced "pipeline speed/durability level" code: basically another durability level that only considers finished stages (i.e. persists only after finishing a stage); ideally linked with "Manage Jenkins > Prepare for Shutdown" (= http://<jenkins-server>/quietDown) action to not just waiting for the finishing of the currently running step, but only to stop at the end of the current stage to allow a gentle shutdown possibility (in between stages, once the build state was persisted.

Actually:

the documentation for "Manage Jenkins > Prepare for Shutdown" (= http://<jenkins-server>/quietDown) action is not really correct, as it says to "stops executing new builds" although it seems to pause running pipelines after the completion of the currently running pipeline step
after cancelling the shutdown (cancelQuietDown) I then have to pause + resume the running pipeline (to kind of wake it up?) that was in the middle of a sleep step, when I triggered "Manage Jenkins > Prepare for Shutdown"!?

I am not sure if my imagined use case is rather theoretical or irrelevant: in case I have many pipelines AND they are longer running I may have great difficulties to find a time slot for e.g. installing Jenkins plug-in updates including restarting the Jenkins master subsequently?

(Thus I am now ignoring e.g. pipeline resumability because of "unplanned Jenkins outages" like crashes or network connection problems. I think.)

Reinhold Füreder added a comment - 2018-03-09 11:44 I guess there are (at least) two different problems: (1) the Docker container presumably is terminated and (2) loading the build state fails because de-serialization does not work or is maybe intentionally not supported because of issue #1? svanoort Just a naive thought, but do you think there is a workaround possibility related/similar to your recently introduced "pipeline speed/durability level" code: basically another durability level that only considers finished stages (i.e. persists only after finishing a stage); ideally linked with "Manage Jenkins > Prepare for Shutdown" (= http://<jenkins-server>/quietDown) action to not just waiting for the finishing of the currently running step, but only to stop at the end of the current stage to allow a gentle shutdown possibility (in between stages, once the build state was persisted. Actually: the documentation for "Manage Jenkins > Prepare for Shutdown" (= http://<jenkins-server>/quietDown) action is not really correct, as it says to "stops executing new builds" although it seems to pause running pipelines after the completion of the currently running pipeline step after cancelling the shutdown (cancelQuietDown) I then have to pause + resume the running pipeline (to kind of wake it up?) that was in the middle of a sleep step, when I triggered "Manage Jenkins > Prepare for Shutdown"!? I am not sure if my imagined use case is rather theoretical or irrelevant: in case I have many pipelines AND they are longer running I may have great difficulties to find a time slot for e.g. installing Jenkins plug-in updates including restarting the Jenkins master subsequently? (Thus I am now ignoring e.g. pipeline resumability because of "unplanned Jenkins outages" like crashes or network connection problems. I think.)

Reinhold Füreder added a comment - 2018-03-14 06:40 - edited

~~JENKINS-38316~~ covers both "actually items", that is the (surprising) pipeline pausing/freezing instead of the expected finish the job due to "Manage Jenkins > Prepare for Shutdown", as well as the waking up...

Reinhold Füreder added a comment - 2018-03-14 06:40 - edited JENKINS-38316 covers both "actually items", that is the (surprising) pipeline pausing/freezing instead of the expected finish the job due to "Manage Jenkins > Prepare for Shutdown", as well as the waking up...

Reinhold Füreder made changes - 2018-03-14 06:40

Link

New: This issue is related to ~~JENKINS-38316~~ [ ~~JENKINS-38316~~ ]

Jesse Glick added a comment - 2018-05-18 13:48

Yes it is supposed to work. I have not seen the error you mention before; offhand I would guess it has something to do with the use of a library. Best to avoid use of the DSL and call the withDockerContainer step directly. (Better still to not use this step at all and call sh steps directly, running docker build or docker-compose or whatever would make sense for your task if you had never heard of Jenkins.)

Jesse Glick added a comment - 2018-05-18 13:48 Yes it is supposed to work . I have not seen the error you mention before; offhand I would guess it has something to do with the use of a library. Best to avoid use of the DSL and call the withDockerContainer step directly. (Better still to not use this step at all and call sh steps directly, running docker build or docker-compose or whatever would make sense for your task if you had never heard of Jenkins.)

Reinhold Füreder added a comment - 2018-05-22 09:45

jglick Thanks to parts of your comment ("Yes it is supposed to work. I have not seen the error you mention before") I started to re-produce the problem in a small context in order to later on try your suggestions (e.g. "avoid use of DSL" or even "calling sh steps directly") more or less full of hope... BUT ... and this is indeed very good news: I not only failed to re-produce the problem in the small context (even without "use of a library"), but also in my original real-world scenario!!!

And in the latter I actually remembered having no problems to re-produce it back then...

(svanoort And even better, during my reproduction efforts I also never had to use the pause + resume workaround after cancelling the shutdown...)

Not sure if it is relevant or could explain the problem, but of course there were a range of Jenkins (core) and especially (workflow/cps related) Jenkins plugins updates since then:

Jenkins core 2.124 (was: 2.103)

Plugins installed:

    workflow-api:2.27 (was: 2.25)
    workflow-cps:2.53 (was: 2.43)
    workflow-durable-task-step:2.19 (was: 2.18)
    workflow-job:2.21 (was: 2.17)
    workflow-support:2.18 (was: 2.17)

=> I'll resolve this issue with "cannot reproduce" (or so)...

Reinhold Füreder added a comment - 2018-05-22 09:45 jglick Thanks to parts of your comment ("Yes it is supposed to work. I have not seen the error you mention before") I started to re-produce the problem in a small context in order to later on try your suggestions (e.g. "avoid use of DSL" or even "calling sh steps directly") more or less full of hope... BUT ... and this is indeed very good news: I not only failed to re-produce the problem in the small context (even without "use of a library"), but also in my original real-world scenario!!! And in the latter I actually remembered having no problems to re-produce it back then... ( svanoort And even better, during my reproduction efforts I also never had to use the pause + resume workaround after cancelling the shutdown...) Not sure if it is relevant or could explain the problem, but of course there were a range of Jenkins (core) and especially (workflow/cps related) Jenkins plugins updates since then: Jenkins core 2.124 (was: 2.103) Plugins installed: workflow-api:2.27 (was: 2.25) workflow-cps:2.53 (was: 2.43) workflow-durable-task-step:2.19 (was: 2.18) workflow-job:2.21 (was: 2.17) workflow-support:2.18 (was: 2.17) => I'll resolve this issue with "cannot reproduce" (or so)...

Reinhold Füreder made changes - 2018-05-22 09:45

Resolution		New: Cannot Reproduce [ 5 ]
Status	Original: Open [ 1 ]	New: Resolved [ 5 ]

Sam Van Oort added a comment - 2018-05-22 13:37

reinholdfuereder Any issue that can no longer be reproduced after apply updates is one I'll count as a win!

Sam Van Oort added a comment - 2018-05-22 13:37 reinholdfuereder Any issue that can no longer be reproduced after apply updates is one I'll count as a win!

Assignee:: Unassigned

Reporter:: Reinhold Füreder

Votes:: 1 Vote for this issue

Watchers:: 4 Start watching this issue

Created:: 2018-02-05 08:48

Updated:: 2019-12-18 15:18

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Collapse comment: Reinhold Füreder added a comment - 2018-03-09 11:44

Expand comment: Reinhold Füreder added a comment - 2018-03-09 11:44

Collapse comment: Reinhold Füreder added a comment - 2018-03-14 06:40, Edited by Reinhold Füreder - 2018-03-14 06:41

Expand comment: Reinhold Füreder added a comment - 2018-03-14 06:40, Edited by Reinhold Füreder - 2018-03-14 06:41

Collapse comment: Jesse Glick added a comment - 2018-05-18 13:48

Expand comment: Jesse Glick added a comment - 2018-05-18 13:48

Collapse comment: Reinhold Füreder added a comment - 2018-05-22 09:45

Expand comment: Reinhold Füreder added a comment - 2018-05-22 09:45

Collapse comment: Sam Van Oort added a comment - 2018-05-22 13:37

Expand comment: Sam Van Oort added a comment - 2018-05-22 13:37

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