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  1. Jenkins
  2. JENKINS-45750

GitBlamer causes OutOfMemoryError

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    • 5.0.0-beta3

      After updating to the Task Scanner Plugin 4.52 and Warnings Plugin 4.63 I get an OutOfMemory Error when GitBlamer is used to create author and commit information. This change was introduced by JENKINS-6748.

      The repository is large but by no means too large:

       

      $ du -hs .
668M .
$ git count-objects --human-readable
247 objects, 169.25 KiB
$ git rev-list --all --count
25881

      This is an example error thrown by the Task Scanner Plugin:

      [TASKS] Scanning folder '/my/workspace' for files matching the pattern '**/*.java' - excludes: 
[TASKS] Found 4657 files to scan for tasks
[TASKS] Found 1058 open tasks.
<Git Blamer> Using GitBlamer to create author and commit information for all warnings.
<Git Blamer> GIT_COMMIT=1a23b8068bf1226fd62085036db6bb30a0edea55, workspace=/my/workspace
 > git rev-parse 1a23b8068bf1226fd62085036db6bb30a0edea55^{commit} # timeout=10
FATAL: Java heap space
java.lang.OutOfMemoryError: Java heap space
 at org.eclipse.jgit.internal.storage.file.PackFile.read(PackFile.java:693)
 at org.eclipse.jgit.internal.storage.file.WindowCache.load(WindowCache.java:289)
 at org.eclipse.jgit.internal.storage.file.WindowCache.getOrLoad(WindowCache.java:368)
 at org.eclipse.jgit.internal.storage.file.WindowCache.get(WindowCache.java:179)
 at org.eclipse.jgit.internal.storage.file.WindowCursor.pin(WindowCursor.java:336)
 at org.eclipse.jgit.internal.storage.file.WindowCursor.copy(WindowCursor.java:237)
 at org.eclipse.jgit.internal.storage.file.PackFile.readFully(PackFile.java:592)
 at org.eclipse.jgit.internal.storage.file.PackFile.load(PackFile.java:767)
 at org.eclipse.jgit.internal.storage.file.PackFile.get(PackFile.java:273)
 at org.eclipse.jgit.internal.storage.file.ObjectDirectory.openPackedObject(ObjectDirectory.java:421)
 at org.eclipse.jgit.internal.storage.file.ObjectDirectory.openPackedFromSelfOrAlternate(ObjectDirectory.java:390)
 at org.eclipse.jgit.internal.storage.file.ObjectDirectory.openObject(ObjectDirectory.java:382)
 at org.eclipse.jgit.internal.storage.file.WindowCursor.open(WindowCursor.java:154)
 at org.eclipse.jgit.treewalk.CanonicalTreeParser.reset(CanonicalTreeParser.java:214)
 at org.eclipse.jgit.treewalk.CanonicalTreeParser.createSubtreeIterator0(CanonicalTreeParser.java:248)
 at org.eclipse.jgit.treewalk.CanonicalTreeParser.createSubtreeIterator(CanonicalTreeParser.java:226)
 at org.eclipse.jgit.treewalk.CanonicalTreeParser.createSubtreeIterator(CanonicalTreeParser.java:70)
 at org.eclipse.jgit.treewalk.TreeWalk.enterSubtree(TreeWalk.java:1210)
 at org.eclipse.jgit.treewalk.TreeWalk.next(TreeWalk.java:828)
 at org.eclipse.jgit.blame.BlameGenerator.find(BlameGenerator.java:955)
 at org.eclipse.jgit.blame.BlameGenerator.processOne(BlameGenerator.java:603)
 at org.eclipse.jgit.blame.BlameGenerator.next(BlameGenerator.java:496)
 at org.eclipse.jgit.blame.BlameResult.computeAll(BlameResult.java:239)
 at org.eclipse.jgit.blame.BlameGenerator.computeBlameResult(BlameGenerator.java:450)
 at org.eclipse.jgit.api.BlameCommand.call(BlameCommand.java:230)
 at hudson.plugins.analysis.util.GitBlamer$BlameCallback.invoke(GitBlamer.java:130)
 at hudson.plugins.analysis.util.GitBlamer$BlameCallback.invoke(GitBlamer.java:104)
 at org.jenkinsci.plugins.gitclient.AbstractGitAPIImpl.withRepository(AbstractGitAPIImpl.java:29)
 at org.jenkinsci.plugins.gitclient.CliGitAPIImpl.withRepository(CliGitAPIImpl.java:71)
 at hudson.plugins.analysis.util.GitBlamer.loadBlameResultsForFiles(GitBlamer.java:61)
 at hudson.plugins.analysis.util.GitBlamer.blame(GitBlamer.java:54)
 at hudson.plugins.analysis.util.AbstractBlamer$1.invoke(AbstractBlamer.java:62)

            drulli Ulli Hafner
            pmr Philipp Moeller
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              Created:
              Updated:
              Resolved: