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  1. JDK
  2. JDK-8231244

Shenandoah: all-roots heap walking misses some weak roots

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    Details

    • Type: Bug
    • Status: Resolved
    • Priority: P3
    • Resolution: Fixed
    • Affects Version/s: 8-shenandoah, 11-shenandoah, 13, 14
    • Fix Version/s: 14
    • Component/s: hotspot
    • Subcomponent:
      gc
    • Resolved In Build:
      b16

      Description

      This is caught by vmTestbase_nsk_jvmti:

      $ CONF=linux-x86_64-server-fastdebug make images run-test TEST=vmTestbase/nsk/jvmti/IterateThroughHeap/concrete-klass-filter/ TEST_VM_OPTS="-XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC"

      STDOUT:
      The following fake exception stacktrace is for failure analysis.
      nsk.share.Fake_Exception_for_RULE_Creation: (ConcreteKlassFilter.cpp:183) TestClass instance field was not found.
      at nsk_lvcomplain(nsk_tools.cpp:172)
      # ERROR: ConcreteKlassFilter.cpp, 183: TestClass instance field was not found.

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            Assignee:
            shade Aleksey Shipilev
            Reporter:
            shade Aleksey Shipilev
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              Dates

              Created:
              Updated:
              Resolved: