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  1. JBoss Enterprise Application Platform
  2. JBEAP-5854

Memory leak when doing deploy/undeploy app using REST and JPA

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    • Icon: Bug Bug
    • Resolution: Duplicate
    • Icon: Critical Critical
    • None
    • 7.1.0.DR3
    • REST, XML Frameworks
    • None
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      1. decrease metaspace in EAP - e.g. -XX:MetaspaceSize=1M -XX:MaxMetaspaceSize=100m
      2. build and deploy attached app
      3. get http://localhost:8080/memoryLeak/webresources/user
      4. undeploy
      5. repeat from step 2 until OOM occurs
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      decrease metaspace in EAP - e.g. -XX:MetaspaceSize=1M -XX:MaxMetaspaceSize=100m build and deploy attached app get http://localhost:8080/memoryLeak/webresources/user undeploy repeat from step 2 until OOM occurs

      It seems that exposing some type (ApplicationUser in attached app) which has enum type as attribute via REST api could cause memory leak (See steps to reproduce). You can observe that person.joey.test.UserType instances are kept in memory when GC happens (metaspace exceeds) and the path to GC root looks:

        1. gc_path.png
          gc_path.png
          112 kB
        2. mem-leak.zip
          118 kB

              rhn-support-iweiss Ingo Weiss
              tremes1@redhat.com Tomas Remes
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                Created:
                Updated:
                Resolved: