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  1. WildFly Core
  2. WFCORE-3317

Some deployment-scanner unit tests from wf-core fail on IBM JDK intermittently

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    Description

      Description of problem:
      Some deployment-scanner unit tests from wf-core fail on IBM JDK intermittently.

      This is testsuite issue only.

      Affected test cases:

      • ShutdownFileSystemDeploymentServiceUnitTestCase
      • FileSystemDeploymentServiceUnitTestCase

      Executors.newSingleThreadExecutor() method returns ExecutorService with finalize method, that shutdown thread executor. Currently ExecutorService instance is not referenced, so IBM JDK calls finalize method. Finalize method calls shutdown method and size of thread-pool is decreased to 0 before lockDone.get(...) is called.

      How reproducible:
      0.6% - intermittently on IBM JDK

      Actual results - ShutdownFileSystemDeploymentServiceUnitTestCase:
      StackTrace:

      java.util.concurrent.RejectedExecutionException: Task java.util.concurrent.FutureTask@67503391 rejected from java.util.concurrent.ThreadPoolExecutor@ae603d77[Terminated, pool size = 0, active threads = 0, queued tasks = 0, completed tasks = 0]
	at java.util.concurrent.ThreadPoolExecutor$AbortPolicy.rejectedExecution(ThreadPoolExecutor.java:2058)
	at java.util.concurrent.ThreadPoolExecutor.reject(ThreadPoolExecutor.java:834)
	at java.util.concurrent.ThreadPoolExecutor.execute(ThreadPoolExecutor.java:1380)
	at java.util.concurrent.AbstractExecutorService.submit(AbstractExecutorService.java:145)
	at java.util.concurrent.Executors$DelegatedExecutorService.submit(Executors.java:692)
	at org.jboss.as.server.deployment.scanner.ShutdownFileSystemDeploymentServiceUnitTestCase.testUncleanShutdown(ShutdownFileSystemDeploymentServiceUnitTestCase.java:156)

      Actual results - FileSystemDeploymentServiceUnitTestCase:
      StackTrace:

      java.util.concurrent.RejectedExecutionException: Task java.util.concurrent.FutureTask@9408464a rejected from java.util.concurrent.ThreadPoolExecutor@fa7bfba[Terminated, pool size = 0, active threads = 0, queued tasks = 0, completed tasks = 0]
	at java.util.concurrent.ThreadPoolExecutor$AbortPolicy.rejectedExecution(ThreadPoolExecutor.java:2058)
	at java.util.concurrent.ThreadPoolExecutor.reject(ThreadPoolExecutor.java:834)
	at java.util.concurrent.ThreadPoolExecutor.execute(ThreadPoolExecutor.java:1380)
	at java.util.concurrent.AbstractExecutorService.submit(AbstractExecutorService.java:145)
	at java.util.concurrent.Executors$DelegatedExecutorService.submit(Executors.java:692)
	at org.jboss.as.server.deployment.scanner.FileSystemDeploymentServiceUnitTestCase.testUncleanShutdown(FileSystemDeploymentServiceUnitTestCase.java:1755)

      Expected results:
      No errors

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          Bug - A problem that impairs or prevents the functions of the product. JBEAP-13258 Some deployment-scanner unit tests from wf-core fail on IBM JDK intermittently

          • Major - To be worked after higher priority work items are addressed. When the severity is high and the effort to change it is low to moderate, this term is chosen. Issues in this category likely have an existing workaround but implementation or execution may be non-trivial.
          • Verified

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              mkopecky@redhat.com Marek Kopecky
              mkopecky@redhat.com Marek Kopecky
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                Created:
                Updated:
                Resolved: