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  1. Jenkins
  2. JENKINS-40447

PublishHTMLStepExecution.run can block CPS thread

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      A stack trace from a Jenkins instance running this plugin contained a thread blocked like this:

      "Running CpsFlowExecution[Owner[...]]" #... daemon ... in Object.wait() [...]
   java.lang.Thread.State: TIMED_WAITING (on object monitor)
    at java.lang.Object.wait(Native Method)
    at hudson.remoting.FastPipedInputStream.read(FastPipedInputStream.java:175)
    - locked <...> (a [B)
    at hudson.util.HeadBufferingStream.read(HeadBufferingStream.java:61)
    at com.jcraft.jzlib.InflaterInputStream.fill(InflaterInputStream.java:175)
    at com.jcraft.jzlib.InflaterInputStream.read(InflaterInputStream.java:106)
    at org.apache.commons.compress.archivers.tar.TarArchiveInputStream.read(TarArchiveInputStream.java:614)
    at java.io.InputStream.read(InputStream.java:101)
    at org.apache.commons.io.IOUtils.copyLarge(IOUtils.java:1792)
    at org.apache.commons.io.IOUtils.copyLarge(IOUtils.java:1769)
    at org.apache.commons.io.IOUtils.copy(IOUtils.java:1744)
    at hudson.util.IOUtils.copy(IOUtils.java:40)
    at hudson.FilePath.readFromTar(FilePath.java:2318)
    at hudson.FilePath.copyRecursiveTo(FilePath.java:2237)
    at hudson.FilePath.copyRecursiveTo(FilePath.java:2141)
    at hudson.FilePath.copyRecursiveTo(FilePath.java:2124)
    at htmlpublisher.HtmlPublisher.publishReports(HtmlPublisher.java:258)
    at htmlpublisher.workflow.PublishHTMLStepExecution.run(PublishHTMLStepExecution.java:67)
    at htmlpublisher.workflow.PublishHTMLStepExecution.run(PublishHTMLStepExecution.java:43)
    at org.jenkinsci.plugins.workflow.steps.AbstractSynchronousStepExecution.start(AbstractSynchronousStepExecution.java:40)
    at org.jenkinsci.plugins.workflow.cps.DSL.invokeStep(DSL.java:184)
    at org.jenkinsci.plugins.workflow.cps.DSL.invokeMethod(DSL.java:126)
    at org.jenkinsci.plugins.workflow.cps.CpsScript.invokeMethod(CpsScript.java:108)
    at ...

      Steps which make network calls or do I/O or otherwise might block must not run in the CPS thread.

          [JENKINS-40447] PublishHTMLStepExecution.run can block CPS thread

          Jesse Glick created issue -
          Jesse Glick made changes -
          Status Original: Open [ 1 ] New: In Progress [ 3 ]
          Jesse Glick made changes -
          Remote Link New: This issue links to "PR 26 (Web Link)" [ 15129 ]
          Jesse Glick made changes -
          Status Original: In Progress [ 3 ] New: In Review [ 10005 ]
          Ryan Campbell made changes -
          Resolution New: Fixed [ 1 ]
          Status Original: In Review [ 10005 ] New: Resolved [ 5 ]
          Richard Bywater made changes -
          Assignee Original: Jesse Glick [ jglick ] New: Richard Bywater [ r2b2_nz ]
          Status Original: Resolved [ 5 ] New: Closed [ 6 ]
          CloudBees Inc. made changes -
          Remote Link New: This issue links to "CloudBees Internal OSS-1732 (Web Link)" [ 18595 ]

            r2b2_nz Richard Bywater
            jglick Jesse Glick
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              Created:
              Updated:
              Resolved: