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  1. JDK
  2. JDK-8267879

ClassLoaderMetaspace destructor asserts on !_frozen

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    Details

    • Type: Bug
    • Status: Resolved
    • Priority: P4
    • Resolution: Fixed
    • Affects Version/s: 17
    • Fix Version/s: 17
    • Component/s: hotspot
    • Subcomponent:
    • Resolved In Build:
      b26
    • CPU:
      generic
    • OS:
      generic

      Description

      The following test failed in the JDK17 CI:

      runtime/cds/appcds/methodHandles/MethodHandlesAsCollectorTest.java

      Here's a snippet from the log file:

      [2.573s][info ][cds ] Regenerate MethodHandle Holder classes...done
      [2.594s][info ][cds ] Rewriting and linking classes: done
      # To suppress the following error report, specify this argument
      # after -XX: or in .hotspotrc: SuppressErrorAt=/metaspace.hpp:79
      #
      # A fatal error has been detected by the Java Runtime Environment:
      #
      # Internal Error (/System/Volumes/Data/mesos/work_dir/slaves/40f4774a-f408-4e28-8432-1004a7782450-S115964/frameworks/1735e8a2-a1db-478c-8104-60c8b0af87dd-0196/executors/7812c36d-6a7c-447b-8af2-3cb87f7004ed/runs/5974c193-703d-4fde-9521-6fbb5c740890/workspace/open/src/hotspot/share/memory/metaspace.hpp:79), pid=59568, tid=14083
      # assert(!_frozen) failed: sanity
      #
      # JRE version: Java(TM) SE Runtime Environment (17.0+25) (fastdebug build 17-ea+25-LTS-2176)
      # Java VM: Java HotSpot(TM) 64-Bit Server VM (fastdebug 17-ea+25-LTS-2176, interpreted mode, tiered, compressed class ptrs, z gc, bsd-aarch64)
      # Core dump will be written. Default location: core.59568
      #
      # An error report file with more information is saved as:
      # /System/Volumes/Data/mesos/work_dir/slaves/40f4774a-f408-4e28-8432-1004a7782450-S117909/frameworks/1735e8a2-a1db-478c-8104-60c8b0af87dd-0196/executors/7dc7c88a-6979-482d-b82f-3b567dd3165e/runs/8e011916-0489-4d53-afc4-a2e8751f2f97/testoutput/test-support/jtreg_open_test_hotspot_jtreg_hotspot_runtime/scratch/0/hs_err_pid59568.log
      [2.598s][info ][cds ] Gathering all archivable objects ...
      [2.598s][info ][cds ] Gathering classes and symbols ...
      #
      # If you would like to submit a bug report, please visit:
      # https://bugreport.java.com/bugreport/crash.jsp
      #
      ];
       stderr: []
       exitValue = 134

      Here's the crashing thread's stack:

      --------------- T H R E A D ---------------

      Current thread (0x000000010e808820): ConcurrentGCThread "ZDriver" [stack: 0x0000000170398000,0x000000017059b000] [id=14083]

      Stack: [0x0000000170398000,0x000000017059b000], sp=0x000000017059ab80, free space=2058k
      Native frames: (J=compiled Java code, j=interpreted, Vv=VM code, C=native code)
      V [libjvm.dylib+0xfcd4d0] VMError::report_and_die(int, char const*, char const*, char*, Thread*, unsigned char*, void*, void*, char const*, int, unsigned long)+0x5d8
      V [libjvm.dylib+0xfcdb90] VMError::report_and_die(Thread*, void*, char const*, int, char const*, char const*, char*)+0x40
      V [libjvm.dylib+0x52dcb0] report_vm_error(char const*, int, char const*, char const*, ...)+0x80
      V [libjvm.dylib+0x4a3420] ClassLoaderMetaspace::~ClassLoaderMetaspace()+0x50
      V [libjvm.dylib+0x49973c] ClassLoaderData::~ClassLoaderData()+0x1b8
      V [libjvm.dylib+0x49ea58] ClassLoaderDataGraph::purge(bool)+0x2c
      V [libjvm.dylib+0x1073f10] ZUnload::purge()+0xa4
      V [libjvm.dylib+0x1038134] ZHeap::process_non_strong_references()+0x64
      V [libjvm.dylib+0x1033b7c] ZDriver::concurrent_process_non_strong_references()+0x8c
      V [libjvm.dylib+0x1034200] ZDriver::gc(GCCause::Cause)+0x7c
      V [libjvm.dylib+0x1034358] ZDriver::run_service()+0xa0
      V [libjvm.dylib+0x50ef80] ConcurrentGCThread::run()+0x34
      V [libjvm.dylib+0xf30c34] Thread::call_run()+0x21c
      V [libjvm.dylib+0xd08af0] thread_native_entry(Thread*)+0x160
      C [libsystem_pthread.dylib+0x706c] _pthread_start+0x140

      =================================
      Java Threads: ( => current thread )
        0x0000000118808e20 JavaThread "main" [_thread_blocked, id=5891, stack(0x000000016f12c000,0x000000016f32f000)]
        0x000000011e812420 JavaThread "Reference Handler" daemon [_thread_blocked, id=41731, stack(0x00000001713f8000,0x00000001715fb000)]
        0x000000011e815220 JavaThread "Finalizer" daemon [_thread_blocked, id=41219, stack(0x0000000171604000,0x0000000171807000)]
        0x000000011e813620 JavaThread "Signal Dispatcher" daemon [_thread_blocked, id=24335, stack(0x0000000171928000,0x0000000171b2b000)]
        0x000000011e814220 JavaThread "Service Thread" daemon [_thread_blocked, id=39939, stack(0x0000000171b34000,0x0000000171d37000)]
        0x000000011e817a20 JavaThread "Monitor Deflation Thread" daemon [_thread_blocked, id=39427, stack(0x0000000171d40000,0x0000000171f43000)]
        0x000000011e818620 JavaThread "Notification Thread" daemon [_thread_blocked, id=24835, stack(0x0000000171f4c000,0x000000017214f000)]
        0x000000011e81fc20 JavaThread "Common-Cleaner" daemon [_thread_blocked, id=25347, stack(0x0000000172364000,0x0000000172567000)]

      Other Threads:
        0x0000000100f73af0 VMThread "VM Thread" [stack: 0x00000001711ec000,0x00000001713ef000] [id=42243]
        0x00000001013b3ce0 WatcherThread [stack: 0x0000000172158000,0x000000017235b000] [id=25091]
        0x000000011ff1dd10 ConcurrentGCThread "ZDirector" [stack: 0x000000017018c000,0x000000017038f000] [id=17927]
      =>0x000000010e808820 ConcurrentGCThread "ZDriver" [stack: 0x0000000170398000,0x000000017059b000] [id=14083]
        0x000000010ff05ea0 ConcurrentGCThread "ZStat" [stack: 0x00000001705a4000,0x00000001707a7000] [id=17667]
        0x000000011ff1c8b0 ConcurrentGCThread "ZUnmapper" [stack: 0x000000016fd74000,0x000000016ff77000] [id=13315]
        0x000000010ff047e0 ConcurrentGCThread "ZUncommitter" [stack: 0x000000016ff80000,0x0000000170183000] [id=13571]
        0x000000011ff18650 GCTaskThread "ZWorker#0" [stack: 0x000000016f338000,0x000000016f53b000] [id=19971]
        0x000000011ff19380 GCTaskThread "ZWorker#1" [stack: 0x000000016f544000,0x000000016f747000] [id=12291]
        0x000000011ff19ff0 GCTaskThread "ZWorker#2" [stack: 0x000000016f750000,0x000000016f953000] [id=12803]
        0x000000011ff1ac60 GCTaskThread "ZWorker#3" [stack: 0x000000016f95c000,0x000000016fb5f000] [id=19459]
        0x000000011ff1b8d0 GCTaskThread "ZWorker#4" [stack: 0x000000016fb68000,0x000000016fd6b000] [id=18947]
        0x000000010fe11410 Thread "RuntimeWorker#0" [stack: 0x00000001707b0000,0x00000001709b3000] [id=16643]
        0x000000010fe12080 Thread "RuntimeWorker#1" [stack: 0x00000001709bc000,0x0000000170bbf000] [id=16387]
        0x000000010fe12cf0 Thread "RuntimeWorker#2" [stack: 0x0000000170bc8000,0x0000000170dcb000] [id=15875]
        0x000000011ff1ee30 Thread "RuntimeWorker#3" [stack: 0x0000000170dd4000,0x0000000170fd7000] [id=14851]
        0x000000010fe13960 Thread "RuntimeWorker#4" [stack: 0x0000000170fe0000,0x00000001711e3000] [id=15107]

      Threads with active compile tasks:

      VM state: at safepoint (normal execution)

      VM Mutex/Monitor currently owned by a thread: ([mutex/lock_event])
      [0x000000010fe0a170] Threads_lock - owner thread: 0x0000000100f73af0
      [0x000000010fe0b520] Heap_lock - owner thread: 0x0000000118808e20

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              Assignee:
              iklam Ioi Lam
              Reporter:
              dcubed Daniel Daugherty
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                Dates

                Created:
                Updated:
                Resolved: