请求大虾看看，小弟在此拜谢
报错信息：
# JRE version: 6.0_29-b11
# Java VM: Java HotSpot(TM) Server VM (20.4-b02 mixed mode linux-x86 )
# Problematic frame:
# V  [libjvm.so+0x3c2aee]  instanceKlassKlass::oop_follow_contents(oopDesc*)+0x1de
#
# If you would like to submit a bug report, please visit:
#   http://java.sun.com/webapps/bugreport/crash.jsp
#
---------------  T H R E A D  ---------------

Current thread (0x09945400):  VMThread [stack: 0x83ab5000,0x83b36000] [id=11392]

siginfo:si_signo=SIGSEGV: si_errno=0, si_code=1 (SEGV_MAPERR), si_addr=0x040f94b0

Registers:
EAX=0x00000003, EBX=0x040f94b0, ECX=0x000000b8, EDX=0x0a6876f0
ESP=0x83b34bd0, EBP=0x83b34c18, ESI=0x8adf6ab8, EDI=0x00000001
EIP=0xb7691aee, EFLAGS=0x00010202, CR2=0x040f94b0

Top of Stack: (sp=0x83b34bd0)
0x83b34bd0:   893d4b78 00000002 83b34c18 00000003
0x83b34be0:   09945400 098c4be8 0a2e8098 0a2e84ac
0x83b34bf0:   0a2f008c 83b34de0 83b34c18 981adc1c
0x83b34c00:   8adf6c10 8adf6c10 00000003 893d4b78
0x83b34c10:   83b34c90 00000000 83b34c58 b784876d
0x83b34c20:   840b0158 8adf6ab0 893d4b78 893d4b78
0x83b34c30:   b7aceb9c b7aceb60 b78914ab 83b34c80
0x83b34c40:   83b34c90 00000000 83b34cc8 b78f431f

Instructions: (pc=0xb7691aee)
0xb7691ace:   d0 84 c0 0f 85 5c 09 00 00 57 57 53 68 40 9e ad
0xb7691ade:   b7 e8 3c 20 da ff 83 c4 10 8b 5e 74 85 db 74 57
0xb7691aee:   8b 03 83 e0 03 83 f8 03 74 4d 8b 3b c7 45 c4 03
0xb7691afe:   00 00 00 8b 45 c4 89 03 80 3d 0d b0 ab b7 00 0f

Register to memory mapping:

EAX=0x00000003 is an unknown value
EBX=0x040f94b0 is an unknown value
ECX=0x000000b8 is an unknown value
EDX=0x0a6876f0 is an unknown value
ESP=0x83b34bd0 is an unknown value
EBP=0x83b34c18 is an unknown value
ESI=0x8adf6ab8 is an oop
{instance class}
- klass: {other class}
EDI=0x00000001 is an unknown value


Stack: [0x83ab5000,0x83b36000],  sp=0x83b34bd0,  free space=510k
Native frames: (J=compiled Java code, j=interpreted, Vv=VM code, C=native code)
V  [libjvm.so+0x3c2aee]  instanceKlassKlass::oop_follow_contents(oopDesc*)+0x1de
V  [libjvm.so+0x57976d]  MarkSweep::follow_stack()+0x3d
V  [libjvm.so+0x625327]  PSMarkSweep::mark_sweep_phase1(bool)+0xe7
V  [libjvm.so+0x624427]  PSMarkSweep::invoke_no_policy(bool)+0x3c7
V  [libjvm.so+0x62402d]  PSMarkSweep::invoke(bool)+0x7d
V  [libjvm.so+0x7262ca]  VM_ParallelGCSystemGC::doit()+0xda
V  [libjvm.so+0x7345e6]  VM_Operation::evaluate()+0x46
V  [libjvm.so+0x733a93]  VMThread::evaluate_operation(VM_Operation*)+0x83
V  [libjvm.so+0x733d00]  VMThread::loop()+0x190
V  [libjvm.so+0x7337f0]  VMThread::run()+0x80
V  [libjvm.so+0x5e2b0e]  java_start(Thread*)+0x14e
C  [libpthread.so.0+0x5832]  signed char+0x5832

VM_Operation (0x82cfec60): ParallelGCSystemGC, mode: safepoint, requested by thread 0x82ffd800


---------------  P R O C E S S  ---------------

Java Threads: ( => current thread )
  0x0a3c0000 JavaThread "http-bio-80-exec-247" daemon [_thread_blocked, id=15486, stack(0x7cbfe000,0x7ccff000)]
  0x09c04800 JavaThread "http-bio-80-exec-246" daemon [_thread_blocked, id=15485, stack(0x7c0f8000,0x7c1f9000)]
  0x09ce4000 JavaThread "http-bio-80-exec-245" daemon [_thread_blocked, id=15484, stack(0x7d1fa000,0x7d2fb000)]
  0x09ace400 JavaThread "http-bio-80-exec-244" daemon [_thread_blocked, id=15483, stack(0x7cef7000,0x7cff8000)]
  0x09cf1000 JavaThread "http-bio-80-exec-243" daemon [_thread_blocked, id=15482, stack(0x7c1f9000,0x7c2fa000)]
  0x0a1eac00 JavaThread "http-bio-80-exec-242" daemon [_thread_blocked, id=15481, stack(0x7d3fc000,0x7d4fd000)]
  0x09bd1000 JavaThread "http-bio-80-exec-233" daemon [_thread_blocked, id=14823, stack(0x7c5fd000,0x7c6fe000)]
  0x09c05400 JavaThread "http-bio-80-exec-221" daemon [_thread_blocked, id=12099, stack(0x7c7ff000,0x7c900000)]
  0x0a292c00 JavaThread "Timer-3" daemon [_thread_blocked, id=19682, stack(0x7cafd000,0x7cbfe000)]
  0x81c57400 JavaThread "PageSavingThread-wicket" daemon [_thread_blocked, id=11488, stack(0x7bdf5000,0x7bef6000)]
  0x821ed000 JavaThread "Java2D Disposer" daemon [_thread_blocked, id=11483, stack(0x7c9fc000,0x7cafd000)]
  0x0a432800 JavaThread "ajp-bio-8009-AsyncTimeout" daemon [_thread_blocked, id=11465, stack(0x7d4fd000,0x7d5fe000)]
  0x09acf800 JavaThread "ajp-bio-8009-Acceptor-0" daemon [_thread_in_native, id=11464, stack(0x7d5fe000,0x7d6ff000)]
  0x0a197400 JavaThread "http-bio-80-AsyncTimeout" daemon [_thread_blocked, id=11463, stack(0x7dfff000,0x7e100000)]
  0x0a696400 JavaThread "http-bio-80-Acceptor-0" daemon [_thread_in_native, id=11462, stack(0x82afe000,0x82bff000)]
  0x09a35000 JavaThread "ContainerBackgroundProcessor[StandardEngine[Catalina]]" daemon [_thread_blocked, id=11461, stack(0x7d6ff000,0x7d800000)]
  0x8143b000 JavaThread "wcs111timerFactory" daemon [_thread_blocked, id=11445, stack(0x7e4fe000,0x7e5ff000)]
  0x09e60000 JavaThread "GWC DiskQuota clean up thread-1" [_thread_blocked, id=11444, stack(0x7e7f6000,0x7e8f7000)]
  0x0a106000 JavaThread "GWC DiskQuota Usage Stats Gathering Thread-1" [_thread_blocked, id=11443, stack(0x7e5ff000,0x7e700000)]
  0x09e95c00 JavaThread "GWC DiskQuota Updates Gathering Thread-1" [_thread_blocked, id=11442, stack(0x7e8f7000,0x7e9f8000)]
  0x81965c00 JavaThread "Thread-26" daemon [_thread_blocked, id=11441, stack(0x7e9f8000,0x7eaf9000)]
  0x81e30800 JavaThread "GWC DiskQuota Store Writer-1" [_thread_blocked, id=11440, stack(0x7eaf9000,0x7ebfa000)]
  0x81eb1800 JavaThread "Checkpointer" daemon [_thread_blocked, id=11439, stack(0x7ebfa000,0x7ecfb000)]
  0x82d52400 JavaThread "Cleaner-1" daemon [_thread_blocked, id=11438, stack(0x7ecfb000,0x7edfc000)]
  0x8343a800 JavaThread "INCompressor" daemon [_thread_blocked, id=11437, stack(0x802ff000,0x80400000)]
  0x82777800 JavaThread "H2 Log Writer GWC_METASTORE" daemon [_thread_blocked, id=11436, stack(0x7edfc000,0x7eefd000)]
  0x816ff400 JavaThread "H2 TCP Server (tcp://localhost:44722)" daemon [_thread_in_native, id=11434, stack(0x7eefd000,0x7effe000)]
  0x828cac00 JavaThread "H2 File Lock Watchdog /opt/tomcat/temp/geowebcache/meta_jdbc_h2/gwc_metastore.lock.db" daemon [_thread_blocked, id=11433, stack(0x7effe000,0x7f0ff000)]
  0x80407c00 JavaThread "GT authority factory disposer" daemon [_thread_blocked, id=11430, stack(0x800ff000,0x80200000)]
  0x0a2a5c00 JavaThread "WeakCollectionCleaner" daemon [_thread_blocked, id=11427, stack(0x807ff000,0x80900000)]
  0x82dc8400 JavaThread "Timer-2" daemon [_thread_blocked, id=11416, stack(0x810fe000,0x811ff000)]
  0x81a1b000 JavaThread "Timer-1" daemon [_thread_blocked, id=11412, stack(0x811ff000,0x81300000)]
  0x82dc1c00 JavaThread "Timer-0" daemon [_thread_blocked, id=11402, stack(0x81fff000,0x82100000)]
  0x82ffd800 JavaThread "GC Daemon" daemon [_thread_blocked, id=11400, stack(0x82bff000,0x82d00000)]
  0x83413400 JavaThread "Low Memory Detector" daemon [_thread_blocked, id=11398, stack(0x8317d000,0x8327e000)]
  0x83411c00 JavaThread "C2 CompilerThread1" daemon [_thread_blocked, id=11397, stack(0x8327e000,0x832ff000)]
  0x8340fc00 JavaThread "C2 CompilerThread0" daemon [_thread_blocked, id=11396, stack(0x83513000,0x83594000)]
  0x8340e400 JavaThread "Signal Dispatcher" daemon [_thread_blocked, id=11395, stack(0x832ff000,0x83400000)]
  0x0994a800 JavaThread "Finalizer" daemon [_thread_blocked, id=11394, stack(0x838b3000,0x839b4000)]
  0x09949000 JavaThread "Reference Handler" daemon [_thread_blocked, id=11393, stack(0x839b4000,0x83ab5000)]
  0x098c9800 JavaThread "main" [_thread_in_native, id=11389, stack(0xb71ce000,0xb72cf000)]

Other Threads:
=>0x09945400 VMThread [stack: 0x83ab5000,0x83b36000] [id=11392]
  0x83415800 WatcherThread [stack: 0x830fc000,0x8317d000] [id=11399]

VM state:at safepoint (normal execution)

VM Mutex/Monitor currently owned by a thread:  ([mutex/lock_event])
[0x098c7dc0] Threads_lock - owner thread: 0x09945400
[0x098c81d0] Heap_lock - owner thread: 0x82ffd800

Heap
PSYoungGen      total 91456K, used 546K [0xa9610000, 0xaf2b0000, 0xb40b0000)
  eden space 90880K, 0% used [0xa9610000,0xa9610000,0xaeed0000)
  from space 576K, 94% used [0xaeed0000,0xaef58a88,0xaef60000)
  to   space 1984K, 0% used [0xaf0c0000,0xaf0c0000,0xaf2b0000)
PSOldGen        total 174784K, used 87610K [0x940b0000, 0x9eb60000, 0xa9610000)
  object space 174784K, 50% used [0x940b0000,0x9963eaa0,0x9eb60000)
PSPermGen       total 131072K, used 112465K [0x840b0000, 0x8c0b0000, 0x940b0000)
  object space 131072K, 85% used [0x840b0000,0x8ae845b0,0x8c0b0000)

Code Cache  [0xb417d000, 0xb4a65000, 0xb717d000)
total_blobs=2777 nmethods=2476 adapters=253 free_code_cache=41064320 largest_free_block=17408

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