Uploaded image for project: 'Jenkins'
  1. Jenkins
  2. JENKINS-46738

Self-deadlock in ExecutorStepExecution$PlaceholderTask$PlaceholderExecutable$1.interrupt

XMLWordPrintable

      What is the business impact?

      Jenkins stop working due the deadlock between support-core plugin and core/org.jenkinsci.plugins.workflow.support.steps.ExecutorStepExecution$PlaceholderTask$PlaceholderExecutable$1.interrupt(ExecutorStepExecution.java:570)

      What is the incorrect behaviour?

      The deadlock should not happen

      What is the expected behaviour?

      You should be able to automatically create a bundle and stop a build execution

      Step by step to reproduce

      N/A

      Workaround

      Restart the instance, disable support-core plugin or avoid to stop builds. Issue does not seems to be very frequent.

      Regression

      I don't think this is a regression.

      Environment

      support-core:2.32:not-pinned
      Version: `2.7.21.1 (CloudBees Jenkins Enterprise 2.7.21.1-rolling)`

      Deadlock stacktrace

      Found one Java-level deadlock:
=============================
"SupportPlugin periodic bundle generator: writing support_2017-09-07_20.55.37.zip since Thu Sep 07 16:55:37 EDT 2017":
  waiting for ownable synchronizer 0x00000006f2ccb9e0, (a java.util.concurrent.locks.ReentrantReadWriteLock$NonfairSync),
  which is held by "Handling POST /computer/(master)/executors/0/stop from XXXXXX : RequestHandlerThread[#155]"
"Handling POST /computer/(master)/executors/0/stop from XXXXXX : RequestHandlerThread[#155]":
  waiting for ownable synchronizer 0x00000006f3362550, (a java.util.concurrent.locks.ReentrantReadWriteLock$NonfairSync),
  which is held by "Handling POST /computer/(master)/executors/4/stop from XXXXX : RequestHandlerThread[#161]"
"Handling POST /computer/(master)/executors/4/stop from XXXXXX : RequestHandlerThread[#161]":
  waiting for ownable synchronizer 0x00000006f41de5e0, (a java.util.concurrent.locks.ReentrantReadWriteLock$NonfairSync),
  which is held by "Handling POST /computer/(master)/executors/6/stop from XXXXXXX : RequestHandlerThread[#162]"
"Handling POST /computer/(master)/executors/6/stop from XXXXXXXX : RequestHandlerThread[#162]":
  waiting for ownable synchronizer 0x00000006f2ccb9e0, (a java.util.concurrent.locks.ReentrantReadWriteLock$NonfairSync),
  which is held by "Handling POST /computer/(master)/executors/0/stop from XXXXXXX : RequestHandlerThread[#155]"

Found 1 deadlock.

        1. deadlock-stacktrace.txt
          32 kB

            jglick Jesse Glick
            fbelzunc Félix Belzunce Arcos
            Votes:
            0 Vote for this issue
            Watchers:
            3 Start watching this issue

              Created:
              Updated:
              Resolved: