git step on_merge is failing

[saddankiSFDC]

Hi,

For some reason on_merge is failing. when I switch to on_change it worked. When I looked into code, there's lot going on with on_merge step when compared to on_change. Appreciate if you can provide some hints. Thank you!

[Pipeline] End of Pipeline
hudson.remoting.ProxyException: java.nio.file.AccessDeniedException: /var/jenkins_home/workload/workspace/ch_Pipeline_release_retail_pi1_2@2/.git/objects/pack/pack-11319dbc43aedd5e9db70292a7da3195057d362e.idx
	at java.base/sun.nio.fs.UnixException.translateToIOException(Unknown Source)
	at java.base/sun.nio.fs.UnixException.rethrowAsIOException(Unknown Source)
	at java.base/sun.nio.fs.UnixException.rethrowAsIOException(Unknown Source)
	at java.base/sun.nio.fs.UnixFileSystemProvider.newByteChannel(Unknown Source)
	at java.base/java.nio.file.spi.FileSystemProvider.newOutputStream(Unknown Source)
	at java.base/java.nio.file.Files.newOutputStream(Unknown Source)
	at hudson.util.IOUtils.copy(IOUtils.java:52)
	at hudson.FilePath.readFromTar(FilePath.java:2982)
Caused: hudson.remoting.ProxyException: java.io.IOException: Failed to extract workspace.tar.gz
	at hudson.FilePath.readFromTar(FilePath.java:2992)
	at hudson.FilePath.access$300(FilePath.java:212)
	at hudson.FilePath$UntarLocal.invoke(FilePath.java:661)
	at hudson.FilePath$UntarLocal.invoke(FilePath.java:650)
	at hudson.FilePath.act(FilePath.java:1200)
	at hudson.FilePath.act(FilePath.java:1183)
	at hudson.FilePath.untar(FilePath.java:626)
	at org.jenkinsci.plugins.workflow.flow.StashManager.unstash(StashManager.java:161)
	at org.jenkinsci.plugins.workflow.support.steps.stash.UnstashStep$Execution.run(UnstashStep.java:78)
	at org.jenkinsci.plugins.workflow.support.steps.stash.UnstashStep$Execution.run(UnstashStep.java:65)
	at org.jenkinsci.plugins.workflow.steps.SynchronousNonBlockingStepExecution.lambda$start$0(SynchronousNonBlockingStepExecution.java:47)
Caused: hudson.remoting.ProxyException: org.codehaus.groovy.runtime.InvokerInvocationException: java.io.IOException: Failed to extract workspace.tar.gz
	at org.boozallen.plugins.jte.init.primitives.injectors.StepWrapperCPS.methodMissing(script16527525407151204730961.groovy:61)
	at WorkflowScript.run(WorkflowScript:57)
	at ___cps.transform___(Native Method)
	at jdk.internal.reflect.GeneratedConstructorAccessor1262.newInstance(Unknown Source)
	at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source)
	at java.base/java.lang.reflect.Constructor.newInstance(Unknown Source)
	at org.codehaus.groovy.reflection.CachedConstructor.invoke(CachedConstructor.java:83)
	at org.codehaus.groovy.runtime.callsite.ConstructorSite$ConstructorSiteNoUnwrapNoCoerce.callConstructor(ConstructorSite.java:105)
	at org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCallConstructor(CallSiteArray.java:59)
	at org.codehaus.groovy.runtime.callsite.AbstractCallSite.callConstructor(AbstractCallSite.java:238)
	at com.cloudbees.groovy.cps.sandbox.DefaultInvoker.constructorCall(DefaultInvoker.java:25)
	at com.cloudbees.groovy.cps.impl.FunctionCallBlock$ContinuationImpl.dispatchOrArg(FunctionCallBlock.java:97)
	at com.cloudbees.groovy.cps.impl.FunctionCallBlock$ContinuationImpl.fixArg(FunctionCallBlock.java:83)
	at jdk.internal.reflect.GeneratedMethodAccessor463.invoke(Unknown Source)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
	at java.base/java.lang.reflect.Method.invoke(Unknown Source)
	at com.cloudbees.groovy.cps.impl.ContinuationPtr$ContinuationImpl.receive(ContinuationPtr.java:72)
	at com.cloudbees.groovy.cps.impl.LocalVariableBlock$LocalVariable.get(LocalVariableBlock.java:39)
	at com.cloudbees.groovy.cps.LValueBlock$GetAdapter.receive(LValueBlock.java:30)
	at com.cloudbees.groovy.cps.impl.LocalVariableBlock.evalLValue(LocalVariableBlock.java:28)
	at com.cloudbees.groovy.cps.LValueBlock$BlockImpl.eval(LValueBlock.java:55)
	at com.cloudbees.groovy.cps.LValueBlock.eval(LValueBlock.java:16)
	at com.cloudbees.groovy.cps.Next.step(Next.java:83)
	at com.cloudbees.groovy.cps.Continuable$1.call(Continuable.java:174)
	at com.cloudbees.groovy.cps.Continuable$1.call(Continuable.java:163)
	at org.codehaus.groovy.runtime.GroovyCategorySupport$ThreadCategoryInfo.use(GroovyCategorySupport.java:136)
	at org.codehaus.groovy.runtime.GroovyCategorySupport.use(GroovyCategorySupport.java:275)
	at com.cloudbees.groovy.cps.Continuable.run0(Continuable.java:163)
	at org.jenkinsci.plugins.workflow.cps.SandboxContinuable.access$001(SandboxContinuable.java:18)
	at org.jenkinsci.plugins.workflow.cps.SandboxContinuable.run0(SandboxContinuable.java:51)
	at org.jenkinsci.plugins.workflow.cps.CpsThread.runNextChunk(CpsThread.java:187)
	at org.jenkinsci.plugins.workflow.cps.CpsThreadGroup.run(CpsThreadGroup.java:420)
	at org.jenkinsci.plugins.workflow.cps.CpsThreadGroup.access$400(CpsThreadGroup.java:95)
	at org.jenkinsci.plugins.workflow.cps.CpsThreadGroup$2.call(CpsThreadGroup.java:330)
	at org.jenkinsci.plugins.workflow.cps.CpsThreadGroup$2.call(CpsThreadGroup.java:294)
	at org.jenkinsci.plugins.workflow.cps.CpsVmExecutorService$2.call(CpsVmExecutorService.java:67)
	at java.base/java.util.concurrent.FutureTask.run(Unknown Source)
	at hudson.remoting.SingleLaneExecutorService$1.run(SingleLaneExecutorService.java:139)
	at jenkins.util.ContextResettingExecutorService$1.run(ContextResettingExecutorService.java:28)
	at jenkins.security.ImpersonatingExecutorService$1.run(ImpersonatingExecutorService.java:68)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source)
	at java.base/java.util.concurrent.FutureTask.run(Unknown Source)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)

[saddankiSFDC]

Seems like unstash "workspace" is getting called multiple times in on_merge step code. Do you think this is a problem?

[acalbazana]

I am also seeing this using libs from the main branch (git, sdp). on_change and on_Pull_request appear to work as expected. Any help appreciated.

Thanks!

[acalbazana]

Seems to relate to JENKINS-33126

The workaround of creating the .git dir and adjusting the permissions before and after unstash seems to work.