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  1. Jenkins
  2. JENKINS-37664

Endless loop in LargeText.BufferSession.skip

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      Description

      A Pipeline build was observed hanging waiting for a lock, which was held by

      "jenkins.util.Timer [#1]" id=... state=RUNNABLE cpu=99%
          at org.kohsuke.stapler.framework.io.LargeText$BufferSession.skip(LargeText.java:532)
          at org.kohsuke.stapler.framework.io.LargeText.writeLogTo(LargeText.java:211)
          at hudson.console.AnnotatedLargeText.writeRawLogTo(AnnotatedLargeText.java:162)
          at org.jenkinsci.plugins.workflow.job.WorkflowRun.copyLogs(WorkflowRun.java:370)
          at org.jenkinsci.plugins.workflow.job.WorkflowRun.access$600(WorkflowRun.java:111)
          at org.jenkinsci.plugins.workflow.job.WorkflowRun$3.run(WorkflowRun.java:266)
          at ...
      

      Seems that this infinite loop occurs reproducibly when a call to writeLogTo is made with a start position greater than the size of the log file.

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              • Assignee:
                jglick Jesse Glick
                Reporter:
                jglick Jesse Glick
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                  Updated:
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