jenkins error

gistfile1.txt

Mar 09, 2015 9:11:16 AM hudson.Proc$LocalProc join
WARNING: Process leaked file descriptors. See http://wiki.jenkins-ci.org/display/JENKINS/Spawning+processes+from+build for more information
java.lang.Exception
        at hudson.Proc$LocalProc.join(Proc.java:329)
        at hudson.Proc.joinWithTimeout(Proc.java:168)
        at org.jenkinsci.plugins.gitclient.CliGitAPIImpl.launchCommandIn(CliGitAPIImpl.java:1587)
        at org.jenkinsci.plugins.gitclient.CliGitAPIImpl.launchCommandWithCredentials(CliGitAPIImpl.java:1379)
        at org.jenkinsci.plugins.gitclient.CliGitAPIImpl.launchCommandWithCredentials(CliGitAPIImpl.java:1277)
        at org.jenkinsci.plugins.gitclient.CliGitAPIImpl.launchCommandWithCredentials(CliGitAPIImpl.java:1268)
        at org.jenkinsci.plugins.gitclient.CliGitAPIImpl.getHeadRev(CliGitAPIImpl.java:2327)
        at hudson.plugins.git.GitSCM.compareRemoteRevisionWithImpl(GitSCM.java:576)
        at hudson.plugins.git.GitSCM.compareRemoteRevisionWith(GitSCM.java:526)
        at hudson.scm.SCM.compareRemoteRevisionWith(SCM.java:380)
        at hudson.scm.SCM.poll(SCM.java:397)
        at hudson.model.AbstractProject._poll(AbstractProject.java:1446)
        at hudson.model.AbstractProject.poll(AbstractProject.java:1349)
        at hudson.triggers.SCMTrigger$Runner.runPolling(SCMTrigger.java:515)
        at hudson.triggers.SCMTrigger$Runner.run(SCMTrigger.java:544)
        at hudson.util.SequentialExecutionQueue$QueueEntry.run(SequentialExecutionQueue.java:118)
        at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
        at java.util.concurrent.FutureTask.run(FutureTask.java:262)
        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:745)