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Type: Bug
Resolution: Fixed
Priority: Blocker
Component/s: kubernetes-plugin
Labels:
None
Environment:
Jenkins 2.60
Kubernetes plugin 0.12
Kubernetes 1.5.1 on GKE
Kubernetes 1.7.0 on AWS

Similar Issues:

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Hi there,

We have Jenkins running in Kubernetes with the Kubernetes plugin, and have been experiencing `java.io.IOException: Pipe not connected` errors when running multiple builds simultaneously. This seems to consistently happen when we run 8 or more builds (on the same pipeline). About 50% of the builds will succeed, and the other 50% will fail with the `Pipe not connected` exception. Most of the time it will fail at stage 1, but sometimes at stage 2.

We're using the following pipeline:

podTemplate(label: 'mypod', containers: [
  containerTemplate(name: 'debian', image: 'debian', ttyEnabled: true, command: 'cat'),
  containerTemplate(name: 'ubuntu', image: 'ubuntu', ttyEnabled: true, command: 'cat')
]) {
  node('mypod') {
    container('debian') {
      stage('stage 1') {
        sh 'echo hello'
        sh 'sleep 30'
        sh 'echo world'
      }

      stage('stage 2') {
        sh 'echo hello'
        sh 'sleep 30'
        sh 'echo world'
      }
    }
  }
}

And this is the log of such failed build:

[Pipeline] podTemplate
[Pipeline] {
[Pipeline] node
Still waiting to schedule task
Waiting for next available executor on mypod
Running on kubernetes-a0e59102b59b48ad99693ca32b94ab38-11a5bcd7df12e4 in /home/jenkins/workspace/kubernetes-test-3
[Pipeline] {
[Pipeline] container
[Pipeline] {
[Pipeline] stage
[Pipeline] { (stage 1)
[Pipeline] sh
[kubernetes-test-3] Running shell script
Executing shell script inside container [debian] of pod [kubernetes-a0e59102b59b48ad99693ca32b94ab38-11a5bcd7df12e4]
Executing command: sh -c echo $$ > '/home/jenkins/workspace/kubernetes-test-3@tmp/durable-f201019b/pid'; jsc=durable-7534cabf595ac7f32ca72b4db83e0af1; JENKINS_SERVER_COOKIE=$jsc '/home/jenkins/workspace/kubernetes-test-3@tmp/durable-f201019b/script.sh' > '/home/jenkins/workspace/kubernetes-test-3@tmp/durable-f201019b/jenkins-log.txt' 2>&1; echo $? > '/home/jenkins/workspace/kubernetes-test-3@tmp/durable-f201019b/jenkins-result.txt' 
# cd /home/jenkins/workspace/kubernetes-test-3
sh -c echo $$ > '/home/jenkins/workspace/kubernetes-test-3@tmp/durable-f201019b/pid'; jsc=durable-7534cabf595ac7f32ca72b4db83e0af1; JENKINS_SERVER_COOKIE=$jsc '/home/jenkins/workspace/kubernetes-test-3@tmp/durable-f201019b/script.sh' > '/home/jenkins/workspace/kubernetes-test-3@tmp/durable-f201019b/jenkins-log.txt' 2>&1; echo $? > '/home/jenkins/workspace/kubernetes-test-3@tmp/durable-f201019b/jenkins-result.txt' 
exit
# # + echo hello
hello
[Pipeline] sh
[kubernetes-test-3] Running shell script
Executing shell script inside container [debian] of pod [kubernetes-a0e59102b59b48ad99693ca32b94ab38-11a5bcd7df12e4]
Executing command: sh -c echo $$ > '/home/jenkins/workspace/kubernetes-test-3@tmp/durable-0eb192c0/pid'; jsc=durable-7534cabf595ac7f32ca72b4db83e0af1; JENKINS_SERVER_COOKIE=$jsc '/home/jenkins/workspace/kubernetes-test-3@tmp/durable-0eb192c0/script.sh' > '/home/jenkins/workspace/kubernetes-test-3@tmp/durable-0eb192c0/jenkins-log.txt' 2>&1; echo $? > '/home/jenkins/workspace/kubernetes-test-3@tmp/durable-0eb192c0/jenkins-result.txt' 
# cd /home/jenkins/workspace/kubernetes-test-3
sh -c echo $$ > '/home/jenkins/workspace/kubernetes-test-3@tmp/durable-0eb192c0/pid'; jsc=durable-7534cabf595ac7f32ca72b4db83e0af1; JENKINS_SERVER_COOKIE=$jsc '/home/jenkins/workspace/kubernetes-test-3@tmp/durable-0eb192c0/script.sh' > '/home/jenkins/workspace/kubernetes-test-3@tmp/durable-0eb192c0/jenkins-log.txt' 2>&1; echo $? > '/home/jenkins/workspace/kubernetes-test-3@tmp/durable-0eb192c0/jenkins-result.txt' 
exit
# + sleep 30
# [Pipeline] sh
[kubernetes-test-3] Running shell script
Executing shell script inside container [debian] of pod [kubernetes-a0e59102b59b48ad99693ca32b94ab38-11a5bcd7df12e4]
[Pipeline] }
[Pipeline] // stage
[Pipeline] }
[Pipeline] // container
[Pipeline] }
[Pipeline] // node
[Pipeline] }
[Pipeline] // podTemplate
[Pipeline] End of Pipeline
java.io.IOException: Pipe not connected
	at java.io.PipedOutputStream.write(PipedOutputStream.java:140)
	at java.io.OutputStream.write(OutputStream.java:75)
	at org.csanchez.jenkins.plugins.kubernetes.pipeline.ContainerExecDecorator$1.launch(ContainerExecDecorator.java:125)
	at hudson.Launcher$ProcStarter.start(Launcher.java:384)
	at org.jenkinsci.plugins.durabletask.BourneShellScript.launchWithCookie(BourneShellScript.java:147)
	at org.jenkinsci.plugins.durabletask.FileMonitoringTask.launch(FileMonitoringTask.java:61)
	at org.jenkinsci.plugins.workflow.steps.durable_task.DurableTaskStep$Execution.start(DurableTaskStep.java:158)
	at org.jenkinsci.plugins.workflow.cps.DSL.invokeStep(DSL.java:184)
	at org.jenkinsci.plugins.workflow.cps.DSL.invokeMethod(DSL.java:126)
	at org.jenkinsci.plugins.workflow.cps.CpsScript.invokeMethod(CpsScript.java:108)
	at groovy.lang.GroovyObject$invokeMethod.call(Unknown Source)
	at org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCall(CallSiteArray.java:48)
	at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:113)
	at org.kohsuke.groovy.sandbox.impl.Checker$1.call(Checker.java:151)
	at org.kohsuke.groovy.sandbox.GroovyInterceptor.onMethodCall(GroovyInterceptor.java:21)
	at org.jenkinsci.plugins.scriptsecurity.sandbox.groovy.SandboxInterceptor.onMethodCall(SandboxInterceptor.java:115)
	at org.kohsuke.groovy.sandbox.impl.Checker$1.call(Checker.java:149)
	at org.kohsuke.groovy.sandbox.impl.Checker.checkedCall(Checker.java:146)
	at org.kohsuke.groovy.sandbox.impl.Checker.checkedCall(Checker.java:123)
	at org.kohsuke.groovy.sandbox.impl.Checker.checkedCall(Checker.java:123)
	at org.kohsuke.groovy.sandbox.impl.Checker.checkedCall(Checker.java:123)
	at org.kohsuke.groovy.sandbox.impl.Checker.checkedCall(Checker.java:123)
	at com.cloudbees.groovy.cps.sandbox.SandboxInvoker.methodCall(SandboxInvoker.java:16)
	at WorkflowScript.run(WorkflowScript:10)
	at ___cps.transform___(Native Method)
	at com.cloudbees.groovy.cps.impl.ContinuationGroup.methodCall(ContinuationGroup.java:57)
	at com.cloudbees.groovy.cps.impl.FunctionCallBlock$ContinuationImpl.dispatchOrArg(FunctionCallBlock.java:109)
	at com.cloudbees.groovy.cps.impl.FunctionCallBlock$ContinuationImpl.fixArg(FunctionCallBlock.java:82)
	at sun.reflect.GeneratedMethodAccessor521.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:498)
	at com.cloudbees.groovy.cps.impl.ContinuationPtr$ContinuationImpl.receive(ContinuationPtr.java:72)
	at com.cloudbees.groovy.cps.impl.ConstantBlock.eval(ConstantBlock.java:21)
	at com.cloudbees.groovy.cps.Next.step(Next.java:58)
	at com.cloudbees.groovy.cps.Continuable.run0(Continuable.java:154)
	at org.jenkinsci.plugins.workflow.cps.SandboxContinuable.access$001(SandboxContinuable.java:18)
	at org.jenkinsci.plugins.workflow.cps.SandboxContinuable$1.call(SandboxContinuable.java:33)
	at org.jenkinsci.plugins.workflow.cps.SandboxContinuable$1.call(SandboxContinuable.java:30)
	at org.jenkinsci.plugins.scriptsecurity.sandbox.groovy.GroovySandbox.runInSandbox(GroovySandbox.java:108)
	at org.jenkinsci.plugins.workflow.cps.SandboxContinuable.run0(SandboxContinuable.java:30)
	at org.jenkinsci.plugins.workflow.cps.CpsThread.runNextChunk(CpsThread.java:163)
	at org.jenkinsci.plugins.workflow.cps.CpsThreadGroup.run(CpsThreadGroup.java:324)
	at org.jenkinsci.plugins.workflow.cps.CpsThreadGroup.access$100(CpsThreadGroup.java:78)
	at org.jenkinsci.plugins.workflow.cps.CpsThreadGroup$2.call(CpsThreadGroup.java:236)
	at org.jenkinsci.plugins.workflow.cps.CpsThreadGroup$2.call(CpsThreadGroup.java:224)
	at org.jenkinsci.plugins.workflow.cps.CpsVmExecutorService$2.call(CpsVmExecutorService.java:63)
	at java.util.concurrent.FutureTask.run(FutureTask.java:266)
	at hudson.remoting.SingleLaneExecutorService$1.run(SingleLaneExecutorService.java:112)
	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:1142)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
	at java.lang.Thread.run(Thread.java:745)
Finished: FAILURE

Something seems to be going wrong around https://github.com/jenkinsci/kubernetes-plugin/blob/master/src/main/java/org/csanchez/jenkins/plugins/kubernetes/pipeline/ContainerExecDecorator.java#L125.

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exceptions.txt
2018-09-25 07:12
22 kB
Andras Kovi

is blocked by

JENKINS-42048 Cannot Connect, PID NumberFormatException

Closed

is duplicated by

JENKINS-58463 Job build failed by "Interrupted while waiting for websocket connection, you should increase the Max connections to Kubernetes API"

Resolved

JENKINS-42298 SEVERE: Error while pumping stream.

Closed

links to

pull request #182

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