$ /opt/jdk1.4.2/bin/java -Xcomp -server CommFileAccess

Unexpected Signal : 11 occurred at PC=0xFE103C38
Function=[Unknown. Nearest: JVM_GetMethodIxExceptionTableLength+0x1943C]
Library=/export/home1/jdk1.4.2/jre/lib/sparc/server/libjvm.so

Current Java thread:

Dynamic libraries:
0x10000 /opt/jdk1.4.2/bin/java
0xff350000 /usr/lib/libthread.so.1
0xff390000 /usr/lib/libdl.so.1
0xff200000 /usr/lib/libc.so.1
0xff330000 /usr/platform/SUNW,Ultra-4/lib/libc_psr.so.1
0xfe000000 /export/home1/jdk1.4.2/jre/lib/sparc/server/libjvm.so
0xff2e0000 /usr/lib/libCrun.so.1
0xff1e0000 /usr/lib/libsocket.so.1
0xff100000 /usr/lib/libnsl.so.1
0xff0d0000 /usr/lib/libm.so.1
0xff1c0000 /usr/lib/libsched.so.1
0xff310000 /usr/lib/libw.so.1
0xff0a0000 /usr/lib/libmp.so.2
0xff050000 /export/home1/jdk1.4.2/jre/lib/sparc/native_threads/libhpi.so
0xfe7d0000 /export/home1/jdk1.4.2/jre/lib/sparc/libverify.so
0xfe790000 /export/home1/jdk1.4.2/jre/lib/sparc/libjava.so
0xff020000 /export/home1/jdk1.4.2/jre/lib/sparc/libzip.so
0xfdfb0000 /usr/lib/locale/en_US.ISO8859-1/en_US.ISO8859-1.so.2

Heap at VM Abort:
Heap
 def new generation total 2112K, used 121K [0xf1400000, 0xf1620000, 0xf2950000
)
  eden space 2048K, 5% used [0xf1400000, 0xf141e440, 0xf1600000)
  from space 64K, 0% used [0xf1600000, 0xf1600000, 0xf1610000)
  to space 64K, 0% used [0xf1610000, 0xf1610000, 0xf1620000)
 tenured generation total 1408K, used 0K [0xf2950000, 0xf2ab0000, 0xf5400000)
   the space 1408K, 0% used [0xf2950000, 0xf2950000, 0xf2950200, 0xf2ab0000)
 compacting perm gen total 16384K, used 1077K [0xf5400000, 0xf6400000, 0xf94000
00)
   the space 16384K, 6% used [0xf5400000, 0xf550d538, 0xf550d600, 0xf6400000)

Local Time = Thu Oct 27 15:43:57 2005
Elapsed Time = 6
#
# HotSpot Virtual Machine Error : 11
# Error ID : 4F530E43505002EF 01
# Please report this error at
# http://java.sun.com/cgi-bin/bugreport.cgi
#
# Java VM: Java HotSpot(TM) Server VM (1.4.2-b28 compiled mode)
#
# An error report file has been saved as hs_err_pid1455.log.
# Please refer to the file for further information.
#
Abort(coredump)
$
(gdb) bt
#0 0xff369764 in __sigprocmask () from /usr/lib/libthread.so.1
#1 0xff35e978 in _resetsig () from /usr/lib/libthread.so.1
#2 0xff35e118 in _sigon () from /usr/lib/libthread.so.1
#3 0xff361158 in _thrp_kill () from /usr/lib/libthread.so.1
#4 0xff24b908 in raise () from /usr/lib/libc.so.1
#5 0xff2358f4 in abort () from /usr/lib/libc.so.1
#6 0xfe499600 in __1cCosFabort6Fi_v_ () from /export/home1/jdk1.4.2/jre/lib/spa
rc/server/libjvm.so
#7 0xfe497914 in __1cCosbBhandle_unexpected_exception6FpnGThread_ipCpv_v_ () fr
om /export/home1/jdk1.4.2/jre/lib/sparc/server/libjvm.so
#8 0xfe1dad34 in JVM_handle_solaris_signal () from /export/home1/jdk1.4.2/jre/l
ib/sparc/server/libjvm.so
#9 0xff36b82c in __sighndlr () from /usr/lib/libthread.so.1
#10 <signal handler called>
#11 0xfe103c38 in __1cHSubNodeFValue6kMpnOPhaseTransform__pknEType__ () from /ex
port/home1/jdk1.4.2/jre/lib/sparc/server/libjvm.so
#12 0xfe0d2780 in __1cMPhaseIterGVNNtransform_old6MpnENode__2_ () from /export/h
ome1/jdk1.4.2/jre/lib/sparc/server/libjvm.so
#13 0xfe19cf20 in __1cMPhaseIterGVNIoptimize6M_v_ () from /export/home1/jdk1.4.2
/jre/lib/sparc/server/libjvm.so
#14 0xfe1c2544 in __1cOPhaseIdealLoop2t6MrnMPhaseIterGVN_pk0i_v_ () from /export
/home1/jdk1.4.2/jre/lib/sparc/server/libjvm.so
#15 0xfe20407c in __1cHCompileIOptimize6M_v_ () from /export/home1/jdk1.4.2/jre/
lib/sparc/server/libjvm.so
#16 0xfe202490 in __1cHCompile2t6MpnFciEnv_pnHciScope_pnIciMethod_iii_v_ () from
 /export/home1/jdk1.4.2/jre/lib/sparc/server/libjvm.so
#17 0xfe1fec9c in __1cKC2CompilerOcompile_method6MpnFciEnv_pnHciScope_pnIciMetho
d_ii_v_ () from /export/home1/jdk1.4.2/jre/lib/sparc/server/libjvm.so
#18 0xfe1fe460 in __1cNCompileBrokerZinvoke_compiler_on_method6FpnLCompileTask__
v_ () from /export/home1/jdk1.4.2/jre/lib/sparc/server/libjvm.so
#19 0xfe2ae490 in __1cNCompileBrokerUcompiler_thread_loop6F_v_ () from /export/h
ome1/jdk1.4.2/jre/lib/sparc/server/libjvm.so
#20 0xfe26b0c0 in __1cKJavaThreadDrun6M_v_ () from /export/home1/jdk1.4.2/jre/li
b/sparc/server/libjvm.so
#21 0xfe2675a0 in _start () from /export/home1/jdk1.4.2/jre/lib/sparc/server/lib
jvm.so
(gdb)
$ cat CommFileAccess.java
class CommFileAccess
{
  byte[] cmp_wk = new byte[1024];

  public static void main(String[] args)
  {
    CommFileAccess x = new CommFileAccess();
    byte[] ba = new byte[1];
    x.compressMsg(ba, 0);
  }

  int compressMsg(byte[] ba, int iarg2)
  {
    int i_4;
    int i_5 = 0;
    int i_6 = 0;
    int i_8 = 0;
    byte[] ba_11 = new byte[64];
    int i_13 = 0;
    byte[] ba_14 = new byte[2];

    for (;i_5 < iarg2; i_5++)
    {
      if (10 == ba[iarg2 + i_5])
      {
        if (i_8 > 0)
        {
          memoCopy(cmp_wk, i_13, ba_11, 0, i_8);
        }
        continue;
      }

      for (i_4 = 0; i_4 < (i_6+1); i_4++)
      {
        i_8++;
        memoCopy(cmp_wk, i_13, ba_11, 0, i_8);
        i_13 += i_8;
      }
    }

    memoCopy(cmp_wk, i_13, ba_14, 0, 1);
    i_13++;
    for (i_4 = 0; i_4 < i_13; i_4++) {}
    return i_13;
  }

  static void memoCopy(byte[] ta, int ti, byte[] sa, int si, int len) {
    for (int i = 0; i < len; i++) {
      ta[ti+i] = sa[si+i];
    }
  }
}