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  1. JDK
  2. JDK-1192396

core dump in StringBuffer.ensureCapacity

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    Details

    • Type: Bug
    • Status: Closed
    • Priority: P1
    • Resolution: Fixed
    • Affects Version/s: 0.9, 1.1.5
    • Fix Version/s: 1.0
    • Component/s: hotspot
    • Labels:
    • Subcomponent:
    • Resolved In Build:
      1.0alpha
    • CPU:
      sparc
    • OS:
      solaris_2.4, solaris_2.5.1
    • Verification:
      Not verified

      Description

      I occasionally get a core dump in StringBuffer.ensureCapacity. This must have
      something to do with memory management. This happens when runing my
      GifRobot program. Here is the backtrace.

      SIGSEGV 11* segmentation violation
          si_signo [11]: SIGSEGV 11* segmentation violation
          si_errno [0]: Error 0
          si_code [1]: SEGV_ACCERR [addr: 0xa6ae5e4]
       
              stackbase=EFFFF844, stackpointer=EFFFEB68
       
      Full thread dump:
          "Async Garbage Collector" (0x2c0580): priority=1
          "Finalizer thread" (0x2c0528): priority=1
          "Idle thread" (0x2c0518): priority=0
          "clock handler" (0x2c0508): priority=11
          "main" (0x2c0500): priority=5 *current thread*
              java.lang.StringBuffer.ensureCapacity(StringBuffer.java)
              java.lang.StringBuffer.appendChar(StringBuffer.java)
              java.io.DataInputStream.readLine(DataInputStream.java)
              GifRobot.add(GifRobot.java:92)
              GifRobot.add(GifRobot.java:118)
              GifRobot.add(GifRobot.java:116)
              GifRobot.add(GifRobot.java:116)
              GifRobot.main(GifRobot.java:166)
      Monitor Cache Dump:
          java.lang.StringBuffer@2C2088/696B8 (key=0x2c2088): monitor owner: "main" (0x376e58)
          unknown key (key=0x395cd0): unowned
              Waiting to be notified:
                  "Async Garbage Collector" (0x2c0580): priority=1
      Registered Monitor Dump:
          Finalization queue lock: unowned
              Waiting to be notified:
                  "Finalizer thread" (0x2c0528): priority=1
          Thread queue lock: unowned
          Class lock: unowned
          Java stack lock: unowned
          Code rewrite lock: unowned
          Heap lock: monitor owner: "main" (0x376e58)
          Monitor registry: monitor owner: "main" (0x376e58)
          Monitor cache lock: unowned
          Event monitor: unowned
          I/O monitor: unowned
          Alarm monitor: unowned
              Waiting to be notified:
                  "clock handler" (0x2c0508): priority=11
      Thread Alarm Q:
          sys_thread_t 0x395cd0 [Timeout in 833 ms]
      Abort
      26.24u 2.27s 5:38.14 8.4%
      Exit 134

      Here is the core dump stack trace:

      Reading symbolic information for /home/avh/java/build/solaris/bin/java
      core file header read successfully
      Reading symbolic information for rtld /usr/lib/ld.so.1
      Reading symbolic information for /usr/lib/libm.so.1
      Reading symbolic information for /usr/lib/libdl.so.1
      Reading symbolic information for /usr/lib/libsocket.so.1
      Reading symbolic information for /usr/lib/libc.so.1
      Reading symbolic information for /usr/lib/libnsl.so.1
      Reading symbolic information for /usr/lib/libintl.so.1
      Reading symbolic information for /usr/lib/libw.so.1
      Reading symbolic information for /home/avh/java/build/solaris/lib/libnet.so
      Reading symbolic information for /usr/lib/nss_nis.so.1
      Reading symbolic information for /usr/lib/straddr.so
      program terminated by signal ABRT (Abort)
      (dbx) where
      =>[1] kill(0x0, 0x6, 0x1, 0xef73dcb0, 0xef740778, 0xfc6998a0), at 0xef721830
        [2] abort(0xb, 0xefffeb70, 0xefffe9b0, 0x0, 0x1, 0x0), at 0xef6ed7ec
        ---- called from signal handler with signal 11 (SIGSEGV) ------
        [3] markChildren(), at 0x26d30
        [4] gc0_locked(0x586f8, 0x96ba73a2, 0x27c00, 0x359e48, 0x2c2280, 0x5881c), at 0x28004
        [5] realObjAlloc(0x5793c, 0x57934, 0x0, 0x30, 0x5792c, 0x258e08), at 0x26804
        [6] ObjAlloc(0x38d660, 0x0, 0x1, 0x0, 0x57800, 0xc), at 0x2666c
        [7] SignalError(0xeffff938, 0x53984, 0x0, 0x120, 0x5792c, 0x58888), at 0x225b4
        [8] ExecuteJava(0xeffff76c, 0x3720b0, 0xb1, 0x39c8a9, 0x3720cc, 0xeffff938), at 0x214f0
        [9] do_execute_java_method_vararg(0x397467, 0x38dce0, 0x0, 0x0, 0x3975bc, 0x1), at 0x1d248
        [10] do_execute_java_method(0xeffff938, 0x38dce0, 0x0, 0x0, 0x3975bc, 0x1), at 0x1d0e0
        [11] start_java(0x1, 0x586f8, 0xeffff9c8, 0x57c00, 0x0, 0x0), at 0x33ea0
      (dbx)


      Here is another data point. It core dumped again:

      (dbx) where
      =>[1] kill(0x0, 0x6, 0x1, 0xef6fdcb0, 0xef700778, 0xb), at 0xef6e1830
        [2] abort(0x2, 0x1, 0x1, 0xfc07fb3c, 0xf0058748, 0xfc731120), at 0xef6ad7ec
        [3] signalHandlerPanic(0xa, 0xefffe690, 0xefffe4d0, 0x0, 0x0, 0x0), at 0x2e73c
        ---- called from signal handler with signal 10 (SIGBUS) ------
        [4] DumpThreadsHelper(), at 0x29370
        [5] sysThreadEnumerateOver(0x29358, 0x0, 0xdfdfdfdf, 0xdfdfdfdf, 0xefffe8ec, 0xfc731120), at 0x30524
        [6] signalHandlerPanic(0xb, 0xefffeb80, 0xefffe9c0, 0x0, 0x1, 0x0), at 0x2e700
        ---- called from signal handler with signal 11 (SIGSEGV) ------
        [7] memmove(), at 0xef696bb0
        [8] compactHeap(0x8111c, 0x814b4, 0x0, 0x593cc, 0x3, 0x80c9c), at 0x2872c
        [9] gc0_locked(0x58770, 0x9836fe81, 0x27c00, 0x3593c0, 0x3593c8, 0x10), at 0x28128
        [10] realObjAlloc(0x579b4, 0x579ac, 0x0, 0x1200, 0x579a4, 0x23e420), at 0x2683c
        [11] ExecuteJava(0xeffff75c, 0x371800, 0xb1, 0x39d791, 0x37181c, 0xeffff928), at 0x21508
        [12] do_execute_java_method_vararg(0x397057, 0x38d670, 0x0, 0x0, 0x39724c, 0x1), at 0x1d280
        [13] do_execute_java_method(0xeffff928, 0x38d670, 0x0, 0x0, 0x39724c, 0x1), at 0x1d118
        [14] start_java(0x1, 0x58770, 0xeffff9bc, 0x57c00, 0x0, 0x0), at 0x33f10

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            Assignee:
            tlindholsunw Timothy Lindholm (Inactive)
            Reporter:
            ahoffsunw Arthur Hoff (Inactive)
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              Created:
              Updated:
              Resolved:
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