Hi,

I have problem with allure test report generation. It sometimes failes without obvious reason (non of resources are missing (CPU and Memory)). It failes in jobs with only few tests and in those with thousands of them randomly (with no pattern)

There are two types of errors:

Unpacking ...
maven.org/maven2/io/qameta/allure/allure-commandline/2.18.1/allure-commandline-2.18.1.zip to /home/jenkins/agent/tools/ru.yandex.qatools.allure.jenkins.tools.AllureCommandlineInstallation/allure-2.18.1 on wakacje-automatic-tests-wak-regresja-436-zj3w8-z3k74-hw99r
[WAK_Regresja] $ /home/jenkins/agent/tools/ru.yandex.qatools.allure.jenkins.tools.AllureCommandlineInstallation/allure-2.18.1/allure-2.18.1/bin/allure generate /home/jenkins/agent/workspace/wakacje/automatic-tests/WAK_Regresja/allure-results -c -o /home/jenkins/agent/workspace/wakacje/automatic-tests/WAK_Regresja/allure-report[Pipeline] }[Pipeline] // script[Pipeline] }[Pipeline] // stage[Pipeline] }[Pipeline] // withEnv[Pipeline] }[Pipeline] // node[Pipeline] }[Pipeline] // podTemplate[Pipeline] End of Pipelinejava.nio.channels.ClosedChannelException
at org.jenkinsci.remoting.protocol.NetworkLayer.onRecvClosed(NetworkLayer.java:155)
at org.jenkinsci.remoting.protocol.impl.NIONetworkLayer.ready(NIONetworkLayer.java:143)
at org.jenkinsci.remoting.protocol.IOHub$OnReady.run(IOHub.java:789)
at jenkins.util.ContextResettingExecutorService$1.run(ContextResettingExecutorService.java:28)
at jenkins.security.ImpersonatingExecutorService$1.run(ImpersonatingExecutorService.java:68)
Caused: java.io.IOException: Backing channel 'JNLP4-connect connection from pod-6.front-2.services.dc-2.srv.dcwp.pl/10.34.7.6:39708' is disconnected.
at hudson.remoting.RemoteInvocationHandler.channelOrFail(RemoteInvocationHandler.java:215)
at hudson.remoting.RemoteInvocationHandler.invoke(RemoteInvocationHandler.java:285)
at com.sun.proxy.$Proxy98.isAlive(Unknown Source)
at hudson.Launcher$RemoteLauncher$ProcImpl.isAlive(Launcher.java:1215)
at hudson.Launcher$RemoteLauncher$ProcImpl.join(Launcher.java:1207)
at hudson.Launcher$ProcStarter.join(Launcher.java:524)
at ru.yandex.qatools.allure.jenkins.ReportBuilder.build(ReportBuilder.java:56)
at ru.yandex.qatools.allure.jenkins.AllureReportPublisher.generateReport(AllureReportPublisher.java:312)
at ru.yandex.qatools.allure.jenkins.AllureReportPublisher.perform(AllureReportPublisher.java:231)
at jenkins.tasks.SimpleBuildStep.perform(SimpleBuildStep.java:123)
at org.jenkinsci.plugins.workflow.steps.CoreStep$Execution.run(CoreStep.java:101)
at org.jenkinsci.plugins.workflow.steps.CoreStep$Execution.run(CoreStep.java:71)
at org.jenkinsci.plugins.workflow.steps.SynchronousNonBlockingStepExecution.lambda$start$0(SynchronousNonBlockingStepExecution.java:47)
at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515)
at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
at java.base/java.lang.Thread.run(Thread.java:829)

and the second one: 

[WAK_Regresja] $ /home/jenkins/agent/tools/ru.yandex.qatools.allure.jenkins.tools.AllureCommandlineInstallation/allure-2.18.1/allure-2.18.1/bin/allure generate /home/jenkins/agent/workspace/wakacje/automatic-tests/WAK_Regresja/allure-results -c -o /home/jenkins/agent/workspace/wakacje/automatic-tests/WAK_Regresja/allure-report
Report successfully generated to /home/jenkins/agent/workspace/wakacje/automatic-tests/WAK_Regresja/allure-report
Allure report was successfully generated.
Creating artifact for the build.[Pipeline] }[Pipeline] // script[Pipeline] }[Pipeline] // stage[Pipeline] }[Pipeline] // withEnv[Pipeline] }[Pipeline] // node[Pipeline] }[Pipeline] // podTemplate[Pipeline] End of Pipelinejava.nio.channels.ClosedChannelException
Also: hudson.remoting.Channel$CallSiteStackTrace: Remote call to JNLP4-connect connection from pod-2.front-1.services.dc-2......pl/...:35144
at hudson.remoting.Channel.attachCallSiteStackTrace(Channel.java:1784)
at hudson.remoting.Request.call(Request.java:199)
at hudson.remoting.Channel.call(Channel.java:999)
at hudson.FilePath.act(FilePath.java:1194)
at hudson.FilePath.act(FilePath.java:1183)
at hudson.FilePath.archive(FilePath.java:515)
at hudson.FilePath.archive(FilePath.java:494)
at hudson.FilePath.archive(FilePath.java:552)
at ru.yandex.qatools.allure.jenkins.AllureReportPublisher.saveAllureArtifact(AllureReportPublisher.java:334)
at ru.yandex.qatools.allure.jenkins.AllureReportPublisher.generateReport(AllureReportPublisher.java:317)
at ru.yandex.qatools.allure.jenkins.AllureReportPublisher.perform(AllureReportPublisher.java:231)
at jenkins.tasks.SimpleBuildStep.perform(SimpleBuildStep.java:123)
at org.jenkinsci.plugins.workflow.steps.CoreStep$Execution.run(CoreStep.java:101)
at org.jenkinsci.plugins.workflow.steps.CoreStep$Execution.run(CoreStep.java:71)
at org.jenkinsci.plugins.workflow.steps.SynchronousNonBlockingStepExecution.lambda$start$0(SynchronousNonBlockingStepExecution.java:47)
at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515)
at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
Caused: hudson.remoting.RequestAbortedException
at hudson.remoting.Request.abort(Request.java:345)
at hudson.remoting.Channel.terminate(Channel.java:1080)
at org.jenkinsci.remoting.protocol.impl.ChannelApplicationLayer.onReadClosed(ChannelApplicationLayer.java:240)
at org.jenkinsci.remoting.protocol.ApplicationLayer.onRecvClosed(ApplicationLayer.java:221)
at org.jenkinsci.remoting.protocol.ProtocolStack$Ptr.onRecvClosed(ProtocolStack.java:825)
at org.jenkinsci.remoting.protocol.FilterLayer.onRecvClosed(FilterLayer.java:289)
at org.jenkinsci.remoting.protocol.impl.SSLEngineFilterLayer.onRecvClosed(SSLEngineFilterLayer.java:168)
at org.jenkinsci.remoting.protocol.ProtocolStack$Ptr.onRecvClosed(ProtocolStack.java:825)
at org.jenkinsci.remoting.protocol.NetworkLayer.onRecvClosed(NetworkLayer.java:155)
at org.jenkinsci.remoting.protocol.impl.NIONetworkLayer.ready(NIONetworkLayer.java:143)
at org.jenkinsci.remoting.protocol.IOHub$OnReady.run(IOHub.java:789)
at jenkins.util.ContextResettingExecutorService$1.run(ContextResettingExecutorService.java:28)
at jenkins.security.ImpersonatingExecutorService$1.run(ImpersonatingExecutorService.java:68)
at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
at java.base/java.lang.Thread.run(Thread.java:829)