[JIRA] [git] (JENKINS-24467) Possible regression of JENKINS-14321

Thu, 28 Aug 2014 02:31:23 -0700

Rob Langley commented on Bug JENKINS-24467

So I've done a little more investigation, it would appear the git ls-remote command is being run on the Debian master rather than the windows slave. To ascertain this I renamed every git.exe on the windows machine which made no difference, after reverting them I did the same to /usr/bin/git which resulted in the following error:

Started on 28-Aug-2014 10:17:24
Polling SCM changes on XXX
Using strategy: Default
[poll] Last Built Revision: Revision 131f327074161ac81f7dc523363ec08841739669 (origin/master)
 > git ls-remote -h git@XXX:XXX/XXX.git master # timeout=10
FATAL: hudson.plugins.git.GitException: Error performing command: git ls-remote -h git@XXX:XXX/XXX.git master
hudson.util.IOException2: hudson.plugins.git.GitException: Error performing command: git ls-remote -h g...@github.bromium.net:rob-langley/glowing-octo-dangerzone.git master
	at hudson.plugins.git.GitSCM.compareRemoteRevisionWith(GitSCM.java:462)
	at hudson.scm.SCM._compareRemoteRevisionWith(SCM.java:357)
	at hudson.scm.SCM.poll(SCM.java:374)
	at org.jenkinsci.plugins.multiplescms.MultiSCM.compareRemoteRevisionWith(MultiSCM.java:92)
	at hudson.scm.SCM._compareRemoteRevisionWith(SCM.java:357)
	at hudson.scm.SCM.poll(SCM.java:374)
	at hudson.model.AbstractProject.pollWithWorkspace(AbstractProject.java:1449)
	at hudson.model.AbstractProject._poll(AbstractProject.java:1420)
	at hudson.model.AbstractProject.poll(AbstractProject.java:1331)
	at com.cloudbees.jenkins.GitHubPushTrigger$1.runPolling(GitHubPushTrigger.java:73)
	at com.cloudbees.jenkins.GitHubPushTrigger$1.run(GitHubPushTrigger.java:98)
	at hudson.util.SequentialExecutionQueue$QueueEntry.run(SequentialExecutionQueue.java:118)
	at jenkins.util.ContextResettingExecutorService$1.run(ContextResettingExecutorService.java:28)
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
	at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)
	at java.util.concurrent.FutureTask.run(FutureTask.java:166)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
	at java.lang.Thread.run(Thread.java:724)
Caused by: hudson.plugins.git.GitException: Error performing command: git ls-remote -h git@XXX:XXX/XXX.git master
	at org.jenkinsci.plugins.gitclient.CliGitAPIImpl.launchCommandIn(CliGitAPIImpl.java:1414)
	at org.jenkinsci.plugins.gitclient.CliGitAPIImpl.launchCommandWithCredentials(CliGitAPIImpl.java:1195)
	at org.jenkinsci.plugins.gitclient.CliGitAPIImpl.launchCommandWithCredentials(CliGitAPIImpl.java:1119)
	at org.jenkinsci.plugins.gitclient.CliGitAPIImpl.launchCommandWithCredentials(CliGitAPIImpl.java:1110)
	at org.jenkinsci.plugins.gitclient.CliGitAPIImpl.getHeadRev(CliGitAPIImpl.java:2004)
	at hudson.plugins.git.GitSCM.compareRemoteRevisionWithImpl(GitSCM.java:495)
	at hudson.plugins.git.GitSCM.compareRemoteRevisionWith(GitSCM.java:460)
	... 18 more
Caused by: java.io.IOException: Cannot run program "git": error=2, No such file or directory
	at java.lang.ProcessBuilder.start(ProcessBuilder.java:1041)
	at hudson.Proc$LocalProc.<init>(Proc.java:244)
	at hudson.Proc$LocalProc.<init>(Proc.java:216)
	at hudson.Launcher$LocalLauncher.launch(Launcher.java:780)
	at hudson.Launcher$ProcStarter.start(Launcher.java:360)
	at org.jenkinsci.plugins.gitclient.CliGitAPIImpl.launchCommandIn(CliGitAPIImpl.java:1403)
	... 24 more
Caused by: java.io.IOException: error=2, No such file or directory
	at java.lang.UNIXProcess.forkAndExec(Native Method)
	at java.lang.UNIXProcess.<init>(UNIXProcess.java:135)
	at java.lang.ProcessImpl.start(ProcessImpl.java:130)
	at java.lang.ProcessBuilder.start(ProcessBuilder.java:1022)
	... 29 more
Done. Took 16 ms
No changes



Following up from this I swapped /usr/bin/git for a shell script that echo'ed the path and got:





C:\Windows\system32;C:\Windows;C:\Windows\System32\Wbem;C:\Windows\System32\WindowsPowerShell 1.0\;C:\Program Files (x86)\Git in;C:\Program Files (x86)\Java\jre7 in






Which is completely wrong for a Debian box, I think the polling is picking up the path from the last build job then either incorrectly trying to use it on the Debian box or incorrectly running the polling on the Debian box. I imagine it's probably the former.
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