Console Output

The recommended git tool is: git
using credential github
 > git rev-parse --resolve-git-dir c:\dev\jenkins\ws\OpenModelica_PR-10608\.git # timeout=10
Fetching changes from the remote Git repository
Cleaning workspace
 > git config remote.origin.url https://github.com/OpenModelica/OpenModelica.git # timeout=10
 > git rev-parse --verify HEAD # timeout=10
Resetting working tree
 > git reset --hard # timeout=10
 > git clean -fdx # timeout=10
ERROR: Checkout failed
java.nio.channels.ClosedChannelException
Also:   hudson.remoting.Channel$CallSiteStackTrace: Remote call to JNLP4-connect connection from r7950-win-2.maas/10.161.32.63:59309
		at hudson.remoting.Channel.attachCallSiteStackTrace(Channel.java:1787)
		at hudson.remoting.Request.call(Request.java:199)
		at hudson.remoting.Channel.call(Channel.java:1002)
		at hudson.remoting.RemoteInvocationHandler.invoke(RemoteInvocationHandler.java:285)
		at com.sun.proxy.$Proxy142.clean(Unknown Source)
		at org.jenkinsci.plugins.gitclient.RemoteGitImpl.clean(RemoteGitImpl.java:532)
		at hudson.plugins.git.extensions.impl.CleanBeforeCheckout.decorateFetchCommand(CleanBeforeCheckout.java:46)
		at hudson.plugins.git.extensions.GitSCMExtension.decorateFetchCommand(GitSCMExtension.java:295)
		at hudson.plugins.git.GitSCM.fetchFrom(GitSCM.java:995)
		at hudson.plugins.git.GitSCM.retrieveChanges(GitSCM.java:1241)
		at hudson.plugins.git.GitSCM.checkout(GitSCM.java:1305)
		at org.jenkinsci.plugins.workflow.steps.scm.SCMStep.checkout(SCMStep.java:136)
		at org.jenkinsci.plugins.workflow.steps.scm.SCMStep$StepExecutionImpl.run(SCMStep.java:101)
		at org.jenkinsci.plugins.workflow.steps.scm.SCMStep$StepExecutionImpl.run(SCMStep.java:88)
		at org.jenkinsci.plugins.workflow.steps.SynchronousNonBlockingStepExecution.lambda$start$0(SynchronousNonBlockingStepExecution.java:47)
Caused: hudson.remoting.RequestAbortedException
	at hudson.remoting.Request.abort(Request.java:346)
	at hudson.remoting.Channel.terminate(Channel.java:1083)
	at org.jenkinsci.remoting.protocol.impl.ChannelApplicationLayer.onReadClosed(ChannelApplicationLayer.java:241)
	at org.jenkinsci.remoting.protocol.ApplicationLayer.onRecvClosed(ApplicationLayer.java:221)
	at org.jenkinsci.remoting.protocol.ProtocolStack$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:177)
	at org.jenkinsci.remoting.protocol.impl.SSLEngineFilterLayer.switchToNoSecure(SSLEngineFilterLayer.java:279)
	at org.jenkinsci.remoting.protocol.impl.SSLEngineFilterLayer.processWrite(SSLEngineFilterLayer.java:501)
	at org.jenkinsci.remoting.protocol.impl.SSLEngineFilterLayer.processQueuedWrites(SSLEngineFilterLayer.java:244)
	at org.jenkinsci.remoting.protocol.impl.SSLEngineFilterLayer.doSend(SSLEngineFilterLayer.java:196)
	at org.jenkinsci.remoting.protocol.impl.SSLEngineFilterLayer.doCloseSend(SSLEngineFilterLayer.java:209)
	at org.jenkinsci.remoting.protocol.ProtocolStack$Ptr.doCloseSend(ProtocolStack.java:793)
	at org.jenkinsci.remoting.protocol.ApplicationLayer.doCloseWrite(ApplicationLayer.java:172)
	at org.jenkinsci.remoting.protocol.impl.ChannelApplicationLayer$ByteBufferCommandTransport.closeWrite(ChannelApplicationLayer.java:343)
	at hudson.remoting.Channel.close(Channel.java:1497)
	at hudson.remoting.Channel.close(Channel.java:1450)
	at hudson.slaves.SlaveComputer.closeChannel(SlaveComputer.java:943)
	at hudson.slaves.SlaveComputer$2.run(SlaveComputer.java:823)
	at jenkins.util.ContextResettingExecutorService$1.run(ContextResettingExecutorService.java:28)
	at jenkins.security.ImpersonatingExecutorService$1.run(ImpersonatingExecutorService.java:68)
	at jenkins.util.ErrorLoggingExecutorService.lambda$wrap$0(ErrorLoggingExecutorService.java:51)
	at java.base/java.util.concurrent.Executors$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)
ERROR: Maximum checkout retry attempts reached, aborting