Application crashes intermittently (every 1-2 weeks) with the following error:

Unexpected Signal : 11 occurred at PC=0xfe1de0f4
Function name=JVM_GetMethodIxExceptionTableEntry
Library=/appl_sw/prod/robecoam/algoam/software/AlgoSuite_reports/third-party-apps/jre-1.3.1_0
4/solaris/lib/sparc/server/libjvm.so

Current Java thread:
        at java.util.Arrays.mergeSort(Arrays.java:1183)
        at java.util.Arrays.mergeSort(Arrays.java:1184)
        at java.util.Arrays.mergeSort(Arrays.java:1183)
        at java.util.Arrays.mergeSort(Arrays.java:1184)
        at java.util.Arrays.sort(Arrays.java:1123)
        at com.algorithmics.are.market.statistics.StdDev.compute(StdDev.java:79)
        at com.algorithmics.are.aggrengine.simfunction.StatisticsFunction.compute(StatisticsF
unction.java:65)
        at com.algorithmics.are.aggrengine.nodeevaluation.nodes.SimComputeNode.process(SimCom
puteNode.java:474)
        at com.algorithmics.are.aggrengine.nodeevaluation.nodes.SimComputeNode.doWork(SimComp
uteNode.java:540)
        at
com.algorithmics.are.aggrengine.nodeevaluation.computethreads.ComputeThreadController.doWork(
ComputeThreadController.java:46)

        at com.algorithmics.are.aggrengine.nodeevaluation.computethreads.PooledThread.run(Poo
ledThread.java:59)

Dynamic libraries:
0x10000
/appl_sw/prod/robecoam/algoam/software/AlgoSuite_reports/third-party-apps/jre-1.3.1_04/solari
s/bin/../bin/sparc/native_threads/java

0xff350000 /usr/lib/libthread.so.1
0xff390000 /usr/lib/libdl.so.1
0xff200000 /usr/lib/libc.so.1
0xff340000 /usr/platform/SUNW,Sun-Fire-880/lib/libc_psr.so.1
0xfe000000
/appl_sw/prod/robecoam/algoam/software/AlgoSuite_reports/third-party-apps/jre-1.3.1_04/solari
s/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
0xff310000 /usr/lib/libw.so.1
0xff0b0000 /usr/lib/libmp.so.2
0xff080000
/appl_sw/prod/robecoam/algoam/software/AlgoSuite_reports/third-party-apps/jre-1.3.1_04/solari
s/lib/sparc/native_threads/libhpi.so

0xff050000
/appl_sw/prod/robecoam/algoam/software/AlgoSuite_reports/third-party-apps/jre-1.3.1_04/solari
s/lib/sparc/libverify.so

0xfe7c0000 /appl_sw/prod/robecoam/algoam/software/AlgoSuite_reports/third-party-apps/jre
-1.3.1_04/solaris/lib/sparc/libjava.so

0xff020000 /appl_sw/prod/robecoam/algoam/software/AlgoSuite_reports/third-party-apps/jre
-1.3.1_04/solaris/lib/sparc/libzip.so

0xfdd70000 /appl_sw/prod/robecoam/algoam/software/AlgoSuite_reports/third-party-apps/jre
-1.3.1_04/solaris/lib/sparc/libnet.so

0xfdd50000 /usr/lib/nss_files.so.1
0xfccc0000 /appl_sw/prod/robecoam/algoam/software/AlgoSuite_reports/are-v4.1.1/lib/libDo
ubleInput.so

Local Time = Fri Aug 16 13:31:05 2002
Elapsed Time = 144918
#
# HotSpot Virtual Machine Error : 11
# Error ID : 4F530E43505002BD 01
# Please report this error at
# http://java.sun.com/cgi-bin/bugreport.cgi
#
# Java VM: Java HotSpot(TM) Server VM (1.3.1_04-b02 mixed mode)
#

The application is very CPU-intensive and multithreaded. Running on Solaris 8 with 4 CPUS. The crash is occurring on a production system, so -Xint and -client flags were not tested due to expected performance impact.

Pstack on the core file gives:

core 'core' of 17711: /appl_sw/prod/robecoam/algoam/software/AlgoSuite_reports/third-party-
a
----------------- lwp# 67 / thread# 2625 --------------------
 ff369740 sleep (ff36bf18, 0, 0, 38781d70, ff37e000, 0) + 1cc
 ff35e108 _sigon (38781d70, ff385938, 6, 3877fb34, 38781d70, 6) + 8c
 ff361148 _thrp_kill (0, 50, 6, ff37e000, 50, ff2bc488) + b4
 ff24b450 qst (6, 0, 0, ffffffff, ff2bc3f4, 4) + 190
 ff235a7c abort (ff2b801c, 3877fc88, 0, fffffff8, 4, 3877fca9) + d0
 fe3c7da4 void os::abort(long) (1, fe4ce000, 1, 3877fd08, 0, fe1de0f4) + b8
 fe3c6ec8 void os::handle_unexpected_exception(Thread*,int,unsigned char*,void*) (ff2bc324, f
e53e4b0, fe4e214c, fe474a38, fe4ce000, 3877fd28) + 254
 fe20bd0c JVM_handle_solaris_signal (0, 61d760, 387807b0, fe4ce000, b, 38780a68) + 8ec
 ff36b7dc _ex_unwind_local (b, 38780a68, 387807b0, fe20bd24, 38781e14, 38781e04) + 4
 ff3684c0 sigacthandler (b, 38781d70, 0, 0, 0, ff37e000) + 6c4
 --- called from signal handler with signal 11 (SIGSEGV) ---
 fe1de0f4 void CompiledStaticCall::compute_entry(methodHandle,StaticCallInfo&) (38780dbc, 387
80de4, 38780df4, 38780dfc, 61d760, 38780df4) + 2c
 fe175000 unsigned char*OptoRuntime::resolve_helper(JavaThread*,long,long,Thread*) (61d760, 0
, 61d760, 4ed454, fe4ce000, 0) + 2d0
 fe1de188 unsigned char*OptoRuntime::resolve_static_call_C(JavaThread*) (61d760, fe4ce000, 0,
 0, 0, 0) + 2c
 fac00fcc ???????? (3c9f5978, 3c7e0788, 61, 6b, 3c7e18a8, 0)
 fae381c4 ???????? (3c7e0788, 3c9f5978, 61, 75, 3c9f5978, 3c7e18a8)
 fac4e730 ???????? (3c7e0788, 0, 38781274, 3878128c, 1920a0, 6cc)
 00193f14 ???????? (3878132c, ea, 387813bc, 19fb78, 14, 38781220)
 00193f14 ???????? (387813cc, 9c, 38781440, 19fb78, 14, 387812c0)
 00193f14 ???????? (38781450, fe4ce000, 43a7f8, 19fb78, 14, 38781360)
 fac4e854 ???????? (3c9f5978, 3c7e0788, 0, 9c, 14, 38781400)
 fadfc530 ???????? (526ab700, 3c7e18a8, 3c7e09f4, 9c, 526ab798, 61d760)
 facce170 ???????? (526ab700, 0, 38781574, 3878158c, 191800, 109a0)
 00193f38 ???????? (3878161c, f6d4dfe0, 38781688, 19f8c8, 14, 38781520)
 001940a0 ???????? (38781694, 1, 5273e320, 19fc3c, 18, 387815a8)
 fac9df10 ???????? (5260a6a8, 5273e320, 527b53b0, 0, 10, 38781648)
 fadff5fc ???????? (f6835ae0, 0, 0, 5273e320, f6837578, fe4ce000)
 fae6b074 ???????? (526ab870, 0, 526ab870, 0, 387818a0, 5409a170)
 fad80ac8 ???????? (4e4e4a98, 0, 0, 0, 0, 0)
 fac0fe44 ???????? (3b067ae8, 1, fe4dca68, 38781d10, 1e, e)
 fe538048 StubRoutines::_code1 (387819d8, 38781c10, a, f6cf1020, 4, 387818f0) + 3f4
 fe0cd0c8 void JavaCalls::call_helper(JavaValue*,methodHandle*,JavaCallArguments*,Thread*) (3
8781c08, fe4ce000, 38781b54, 61d760, 195d64, 38781c10) + 308
 fe1f82e8 void JavaCalls::call_virtual(JavaValue*,KlassHandle,symbolHandle,symbolHandle,JavaC
allArguments*,Thread*) (f6cf1250, 38781b40, 38781b44, fe4ce000, 38781c08, 38781b54) + 150
 fe1fe2b8 void JavaCalls::call_virtual(JavaValue*,Handle,KlassHandle,symbolHandle,symbolHandl
e,Thread*) (38781c08, 38781c04, 38781c00, 38781bf4, 38781bec, 61d760) + 60
 fe21caec void thread_entry(JavaThread*,Thread*) (f6817f78, 61d760, fe4ce000, 38781d10, 1e, e
) + 120
 fe2175ec void JavaThread::run() (38702000, fe4d9e1c, fe4ce000, 7fd70, 61d760, 7fd70) + 3d8
 fe215320 _start (fe4ce000, fcc95d10, 0, 5, 1, fe401000) + 20
 ff36b6e0 _restorefsr (61d760, 0, 0, 0, 0, 0)

(other threads not included, but can be provided upon request)