[JIRA] (JENKINS-16523) Git plugin fails with NullPointerException (Error trying to determine the git version: Error performing command: --version)

Tue, 29 Jan 2013 08:04:57 -0800

Issue Type: Bug Bug
Affects Versions: current
Assignee: Nicolas De Loof
Components: git
Created: 29/Jan/13 4:04 PM
Description:

Suddenly, the git plugin stopped to work. It issues the following error message:

Error trying to determine the git version: Error performing command: --version

Full stack trace:

ERROR: Error cloning remote repo 'origin' : Could not clone ssh://<URL>
hudson.plugins.git.GitException: Could not clone ssh://<URL>
	at hudson.plugins.git.GitAPI.clone(GitAPI.java:273)
	at hudson.plugins.git.GitSCM$2.invoke(GitSCM.java:1044)
	at hudson.plugins.git.GitSCM$2.invoke(GitSCM.java:986)
	at hudson.FilePath.act(FilePath.java:865)
	at hudson.FilePath.act(FilePath.java:838)
	at hudson.plugins.git.GitSCM.determineRevisionToBuild(GitSCM.java:986)
	at hudson.plugins.git.GitSCM.checkout(GitSCM.java:1142)
	at hudson.model.AbstractProject.checkout(AbstractProject.java:1331)
	at hudson.model.AbstractBuild$AbstractBuildExecution.defaultCheckout(AbstractBuild.java:682)
	at jenkins.scm.SCMCheckoutStrategy.checkout(SCMCheckoutStrategy.java:88)
	at hudson.model.AbstractBuild$AbstractBuildExecution.run(AbstractBuild.java:587)
	at hudson.model.Run.execute(Run.java:1557)
	at hudson.maven.MavenModuleSetBuild.run(MavenModuleSetBuild.java:477)
	at hudson.model.ResourceController.execute(ResourceController.java:88)
	at hudson.model.Executor.run(Executor.java:236)
Caused by: hudson.plugins.git.GitException: Error performing command:  clone -o origin ssh://<URL> /var/lib/jenkins/jobs/<project>/workspace
	at hudson.plugins.git.GitAPI.launchCommandIn(GitAPI.java:904)
	at hudson.plugins.git.GitAPI.access$000(GitAPI.java:42)
	at hudson.plugins.git.GitAPI$1.invoke(GitAPI.java:269)
	at hudson.plugins.git.GitAPI$1.invoke(GitAPI.java:248)
	at hudson.FilePath.act(FilePath.java:865)
	at hudson.FilePath.act(FilePath.java:838)
	at hudson.plugins.git.GitAPI.clone(GitAPI.java:248)
	... 14 more
Caused by: java.lang.NullPointerException
	at hudson.Launcher.printCommandLine(Launcher.java:607)
	at hudson.Launcher.maskedPrintCommandLine(Launcher.java:629)
	at hudson.Launcher$LocalLauncher.launch(Launcher.java:754)
	at hudson.Launcher$ProcStarter.start(Launcher.java:353)
	at hudson.Launcher$ProcStarter.join(Launcher.java:360)
	at hudson.plugins.git.GitAPI.launchCommandIn(GitAPI.java:885)
	... 20 more
Trying next repository
ERROR: Could not clone repository
FATAL: Could not clone
hudson.plugins.git.GitException: Could not clone
	at hudson.plugins.git.GitSCM$2.invoke(GitSCM.java:1056)
	at hudson.plugins.git.GitSCM$2.invoke(GitSCM.java:986)
	at hudson.FilePath.act(FilePath.java:865)
	at hudson.FilePath.act(FilePath.java:838)
	at hudson.plugins.git.GitSCM.determineRevisionToBuild(GitSCM.java:986)
	at hudson.plugins.git.GitSCM.checkout(GitSCM.java:1142)
	at hudson.model.AbstractProject.checkout(AbstractProject.java:1331)
	at hudson.model.AbstractBuild$AbstractBuildExecution.defaultCheckout(AbstractBuild.java:682)
	at jenkins.scm.SCMCheckoutStrategy.checkout(SCMCheckoutStrategy.java:88)
	at hudson.model.AbstractBuild$AbstractBuildExecution.run(AbstractBuild.java:587)
	at hudson.model.Run.execute(Run.java:1557)
	at hudson.maven.MavenModuleSetBuild.run(MavenModuleSetBuild.java:477)
	at hudson.model.ResourceController.execute(ResourceController.java:88)
	at hudson.model.Executor.run(Executor.java:236)


As system user jenkins (which runs Jenkins) I am perfectly able to run that command:





$ git --version
git version 1.7.9.5





Cloning worked before, but all of a sudden the above error occurs.



I tried both to specify the full path to the git executable (/usr/bin/git) and to specify the name of the executable only (without path: git). However, without success.
Environment: git version 1.7.9.5
git plugin version 1.1.26
jenkins version 1.500
Project: Jenkins
Priority: Major Major
Reporter: Martin Burger
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