HotSpot Virtual Machine Error : 10

[cy h]

Hello!There is a error.My web service is tomcat5.0.30,Os is FreeBSD6.3.When  I enter my web site,it's right ,but soon it's error,and the error message :
   
  Unexpected Signal : 10 occurred at PC=0x284B68B6
Function=_ZN15ContiguousSpace22prepare_for_compactionEP12CompactPoint+0xB6
Library=/usr/local/jdk1.4.2/jre/lib/i386/client/libjvm.so
  
Dynamic libraries:
0x8048000  /usr/local/jdk1.4.2/bin/java
0x2807f000  /lib/libpthread.so.2
0x280a4000  /lib/libc.so.6
0x2818c000  /usr/local/jdk1.4.2/jre/lib/i386/client/libjvm.so
0x285ba000  /usr/lib/libstdc++.so.5
0x28685000  /lib/libm.so.4
0x2869b000  /usr/local/jdk1.4.2/jre/lib/i386/native_threads/libhpi.so
0x286a9000  /usr/local/jdk1.4.2/jre/lib/i386/libverify.so
0x286be000  /usr/local/jdk1.4.2/jre/lib/i386/libjava.so
0x286dc000  /usr/local/jdk1.4.2/jre/lib/i386/libzip.so
0x286e7000  /lib/libz.so.3
0x70f88000  /usr/local/jdk1.4.2/jre/lib/i386/libnet.so
0x2804e000  /libexec/ld-elf.so.1
  Heap at VM Abort:
Heap
 def new generation   total 36352K, used 5481K [0x2c590000, 0x2ed00000, 0x31450000)
  eden space 32320K,   5% used [0x2c590000, 0x2c73a0d0, 0x2e520000)
  from space 4032K,  93% used [0x2e910000, 0x2ecc04b0, 0x2ed00000)
  to   space 4032K,   0% used [0x2e520000, 0x2e520000, 0x2e910000)
 tenured generation   total 483968K, used 8008K [0x31450000, 0x4ecf0000, 0x6c590000)
   the space 483968K,   1% used [0x31450000, 0x31c22290, 0x3170d600, 0x4ecf0000)
 compacting perm gen  total 16384K, used 16383K [0x6c590000, 0x6d590000, 0x70590000)
   the space 16384K,  99% used [0x6c590000, 0x6d58fff0, 0x6d590000, 0x6d590000)
  Local Time = Mon Mar 24 08:29:16 2008
Elapsed Time = 20491
#
# HotSpot Virtual Machine Error : 10
# Error ID : 4F530E43505002F1
# Please report this error to
# freebsd-java at FreeBSD.org mailing list
#
# Java VM: Java HotSpot(TM) Client VM (1.4.2-p8-root_28_jan_2008_13_30 mixed mode)
#
# An error report file has been saved as hs_err_pid662.log.
# Please refer to the file for further information.
   
  As result ,my  service port is shutdown ,and the web site don't enter.
  How do I?I hope you can help.
  Thanks.
  


       
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