我们的生产服务器两次崩溃，出现了一个类中有问题的框架。我们无法重现此问题，并且在任何其他环境中都没有看到过它。是什么原因导致了这个问题？
#
# A fatal error has been detected by the Java Runtime Environment:
#
# SIGSEGV (0xb) at pc=0xfbfe2e0a, pid=21857, tid=53
#
# JRE version: 6.0_26-b03
# Java VM: Java HotSpot(TM) Server VM (20.1-b02 mixed mode solaris-x86 )
# Problematic frame:
# J com.xxx.insurance.domain.account.Address.setPostcode(Ljava/lang/String;)V
#
# 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 (0x08c7b000): JavaThread "[ACTIVE] ExecuteThread: '1' for queue: 'weblogic.kernel.Default (self-tuning)'" daemon [_thread_in_Java, id=53, stack(0xa83ee000,0xa843e000)]
siginfo:si_signo=SIGSEGV: si_errno=0, si_code=1 (SEGV_MAPERR), si_addr=0x00000010
Registers:
EAX=0x00000000, EBX=0xd5c88a20, ECX=0xe5c66910, EDX=0x08c7b000
ESP=0xa843b1b0, EBP=0x00000000, ESI=0xaaaaf910, EDI=0xe5c66938
EIP=0xfbfe2e0a, EFLAGS=0x00010282
Top of Stack: (sp=0xa843b1b0)
0xa843b1b0: 00000000 aaaaf910 e5c66938 d5c88a20
0xa843b1c0: e5c66910 b0b33f98 e5c66938 aab7a360
0xa843b1d0: 00000000 a843b1e4 a843b20c fae0310d
0xa843b1e0: fae0310d 00000000 e5c66910 a843b1ec
0xa843b1f0: b47d8dc8 a843b21c b47d9000 b47e7e48
0xa843b200: b47d8de8 a843b1e4 a843b220 e5c66a68
0xa843b210: fb59c440 e5c66a68 e5c66910 d5b39ac0
0xa843b220: e5c66a68 fddaaf00 00000000 e5c66910
Instructions: (pc=0xfbfe2e0a)
0xfbfe2dea: 7c b4 8b 4f 14 3b f5 0f 84 41 02 00 00 89 4c 24
0xfbfe2dfa: 10 89 5c 24 0c 89 7c 24 08 89 74 24 04 89 2c 24
0xfbfe2e0a: 8b 6d 10 85 f6 0f 84 cd 00 00 00 8b 0c 24 85 c9
0xfbfe2e1a: 0f 84 c2 00 00 00 8b 4e 10 3b cd 0f 85 b7 00 00
Register to memory mapping:
EAX=0x00000000 is an unknown value
EBX=0xd5c88a20 is an oop
com.xxx.insurance.domain.account.Address$Property
- klass: 'com/xxx/insurance/domain/account/Address$Property'
ECX=0xe5c66910 is an oop
com.xxx.insurance.domain.account.Address
- klass: 'com/xxx/insurance/domain/account/Address'
EDX=0x08c7b000 is a thread
ESP=0xa843b1b0 is pointing into the stack for thread: 0x08c7b000
EBP=0x00000000 is an unknown value
ESI=0xaaaaf910 is an oop
java.lang.String
- klass: 'java/lang/String'
EDI=0xe5c66938 is an oop
com.xxx.insurance.beans.InsurancePropertyChangeSupport
- klass: 'com/xxx/insurance/beans/InsurancePropertyChangeSupport'
Stack: [0xa83ee000,0xa843e000], sp=0xa843b1b0, free space=308k
Native frames: (J=compiled Java code, j=interpreted, Vv=VM code, C=native code)
J com.xxx.insurance.domain.account.Address.setPostcode(Ljava/lang/String;)V
[error occurred during error reporting (printing native stack), id 0xb]
--------------- P R O C E S S ---------------
Java Threads: ( => current thread )
0x0bbb8c00 JavaThread "Keep-Alive-Timer" daemon [_thread_blocked, id=371, stack(0xa7bff000,0xa7c4f000)]
0x0c65f800 JavaThread "RHTTP downloader (general)" daemon [_thread_in_native, id=360, stack(0xa6b84000,0xa6bd4000)]
0x0d431400 JavaThread "RangeSocketListener-1" daemon [_thread_blocked, id=353, stack(0xa6c26000,0xa6c76000)]
0x0b397000 JavaThread "RHTTP downloader (general)" daemon [_thread_blocked, id=333, stack(0xa6c77000,0xa6cc7000)]
0x0a7df800 JavaThread "Java2D Disposer" daemon [_thread_blocked, id=275, stack(0xa771d000,0xa776d000)]
0x0d198400 JavaThread "Store defaultMethodCache Spool Thread" daemon [_thread_blocked, id=218, stack(0xa7662000,0xa76b2000)]
0x0c562800 JavaThread "[STANDBY] ExecuteThread: '5' for queue: 'weblogic.kernel.Default (self-tuning)'" daemon [_thread_blocked, id=78, stack(0xa76b3000,0xa7703000)]
0x09b57800 JavaThread "DynamicSSLListenThread[DefaultSecure]" daemon [_thread_in_native, id=76, stack(0xa779c000,0xa77ec000)]
0x0824ac00 JavaThread "weblogic.GCMonitor" daemon [_thread_blocked, id=75, stack(0xa77ed000,0xa783d000)]
0x0acdd400 JavaThread "[STANDBY] ExecuteThread: '4' for queue: 'weblogic.kernel.Default (self-tuning)'" daemon [_thread_blocked, id=74, stack(0xa783e000,0xa788e000)]
0x08248c00 JavaThread "[STANDBY] ExecuteThread: '3' for queue: 'weblogic.kernel.Default (self-tuning)'" daemon [_thread_blocked, id=73, stack(0xa788f000,0xa78df000)]
0x0ca4c400 JavaThread "weblogic.cluster.MessageReceiver" daemon [_thread_in_native, id=71, stack(0xa790e000,0xa795e000)]
0x08249400 JavaThread "Thread-19" [_thread_blocked, id=70, stack(0xa795f000,0xa79af000)]
0x0bc1cc00 JavaThread "Store defaultMethodCache Spool Thread" daemon [_thread_blocked, id=69, stack(0xa7abb000,0xa7b0b000)]
0x0b7b8000 JavaThread "jboss EL reference queue cleanup thread" daemon [_thread_blocked, id=68, stack(0xa7b0c000,0xa7b5c000)]
0x0855f000 JavaThread "[ACTIVE] ExecuteThread: '2' for queue: 'weblogic.kernel.Default (self-tuning)'" daemon [_thread_blocked, id=64, stack(0xa80e7000,0xa8137000)]
0x0a659400 JavaThread "Timer-3" daemon [_thread_blocked, id=63, stack(0xa8c47000,0xa8c97000)]
0x0aa22800 JavaThread "Thread-16" [_thread_blocked, id=62, stack(0xa8189000,0xa81d9000)]
0x0a776c00 JavaThread "DoSManager" daemon [_thread_blocked, id=61, stack(0xa8138000,0xa8188000)]
0x0acd6000 JavaThread "VDE Transaction Processor Thread" daemon [_thread_blocked, id=59, stack(0xa81da000,0xa822a000)]
0x0ad9ec00 JavaThread "Timer-2" daemon [_thread_blocked, id=58, stack(0xa822b000,0xa827b000)]
0x0a40ec00 JavaThread "ExecuteThread: '3' for queue: 'weblogic.socket.Muxer'" daemon [_thread_blocked, id=57, stack(0xa827c000,0xa82cc000)]
0x086b3400 JavaThread "ExecuteThread: '2' for queue: 'weblogic.socket.Muxer'" daemon [_thread_blocked, id=56, stack(0xa82cd000,0xa831d000)]
0x09598000 JavaThread "ExecuteThread: '1' for queue: 'weblogic.socket.Muxer'" daemon [_thread_blocked, id=55, stack(0xa831e000,0xa836e000)]
0x0d53b800 JavaThread "ExecuteThread: '0' for queue: 'weblogic.socket.Muxer'" daemon [_thread_in_native, id=54, stack(0xa836f000,0xa83bf000)]
=>0x08c7b000 JavaThread "[ACTIVE] ExecuteThread: '1' for queue: 'weblogic.kernel.Default (self-tuning)'" daemon [_thread_in_Java, id=53, stack(0xa83ee000,0xa843e000)]
0x0a31c000 JavaThread "NM Reaper" daemon [_thread_blocked, id=52, stack(0xa843f000,0xa848f000)]
0x0a5d4400 JavaThread "Timer-1" daemon [_thread_blocked, id=51, stack(0xa84ac000,0xa84fc000)]
0x0a319800 JavaThread "weblogic.timers.TimerThread" daemon [_thread_blocked, id=50, stack(0xa84fd000,0xa854d000)]
0x0a763400 JavaThread "weblogic.time.TimeEventGenerator" daemon [_thread_blocked, id=49, stack(0xa854e000,0xa859e000)]
0x0a3b2000 JavaThread "[ACTIVE] ExecuteThread: '0' for queue: 'weblogic.kernel.Default (self-tuning)'" daemon [_thread_blocked, id=48, stack(0xa859f000,0xa85ef000)]
0x0a703c00 JavaThread "Timer-0" daemon [_thread_blocked, id=47, stack(0xa8bbf000,0xa8c0f000)]
0x08a73400 JavaThread "RHTTP Client for 'insurRhodesServer3:35006'" daemon [_thread_blocked, id=40, stack(0xa9a8f000,0xa9adf000)]
0x08f44000 JavaThread "Acceptor ServerSocket[addr=/0.0.0.0,port=0,localport=35006]" daemon [_thread_in_native, id=38, stack(0xa8ed3000,0xa8f23000)]
0x08e2b000 JavaThread "SessionScavenger" daemon [_thread_blocked, id=37, stack(0xa8f4e000,0xa8f9e000)]
0x08ccd800 JavaThread "SessionScavenger" daemon [_thread_blocked, id=36, stack(0xa9aff000,0xa9b4f000)]
0x08a70000 JavaThread "SessionScavenger" daemon [_thread_blocked, id=35, stack(0xa9d06000,0xa9d56000)]
0x08437c00 JavaThread "Low Memory Detector" daemon [_thread_blocked, id=32, stack(0xa97fd000,0xa984d000)]
0x08438400 JavaThread "C2 CompilerThread1" daemon [_thread_in_native, id=31, stack(0xa984e000,0xa98ce000)]
0x08436000 JavaThread "C2 CompilerThread0" daemon [_thread_in_native, id=30, stack(0xa98cf000,0xa994f000)]
0x0842ac00 JavaThread "Metrics Collection" daemon [_thread_blocked, id=29, stack(0xa997e000,0xa99ce000)]
0x08425000 JavaThread "Stack Trace Sampler" daemon [_thread_blocked, id=28, stack(0xa99cf000,0xa9a1f000)]
0x0841d800 JavaThread "ServerCommunication" daemon [_thread_blocked, id=27, stack(0xa9a3e000,0xa9a8e000)]
0x083b6400 JavaThread "Buffer flushing thread" daemon [_thread_blocked, id=23, stack(0xa9c13000,0xa9c63000)]
0x083d3400 JavaThread "metric-sampler" daemon [_thread_blocked, id=22, stack(0xa9c64000,0xa9cb4000)]
0x0838f800 JavaThread "shared InfrequentEventScheduler" daemon [_thread_blocked, id=21, stack(0xa9cb5000,0xa9d05000)]
0x081f9c00 JavaThread "Signal Dispatcher" daemon [_thread_blocked, id=19, stack(0xa9e0a000,0xa9e5a000)]
0x081e8c00 JavaThread "Finalizer" daemon [_thread_blocked, id=18, stack(0xaa8ad000,0xaa8fd000)]
0x081e4000 JavaThread "Reference Handler" daemon [_thread_blocked, id=17, stack(0xfde2e000,0xfde7e000)]
0x08072c00 JavaThread "main" [_thread_blocked, id=2, stack(0xfe08f000,0xfe0df000)]
Other Threads:
0x081e0800 VMThread [stack: 0xa9e5b000,0xa9edb000] [id=16]
0x08432800 WatcherThread [stack: 0xa977c000,0xa97fc000] [id=33]
VM state:not at safepoint (normal execution)
VM Mutex/Monitor currently owned by a thread: None
Heap
PSYoungGen total 332096K, used 16671K [0xe5600000, 0xfac00000, 0xfac00000)
eden space 314304K, 2% used [0xe5600000,0xe5d77580,0xf88f0000)
from space 17792K, 50% used [0xf88f0000,0xf91c0988,0xf9a50000)
to space 17216K, 0% used [0xf9b30000,0xf9b30000,0xfac00000)
PSOldGen total 700416K, used 523951K [0xbaa00000, 0xe5600000, 0xe5600000)
object space 700416K, 74% used [0xbaa00000,0xda9abd00,0xe5600000)
PSPermGen total 262144K, used 187475K [0xaaa00000, 0xbaa00000, 0xbaa00000)
object space 262144K, 71% used [0xaaa00000,0xb6114fd8,0xbaa00000)
Code Cache [0xfae00000, 0xfbfe8000, 0xfde00000)
total_blobs=5279 nmethods=4926 adapters=305 free_code_cache=31627328 largest_free_block=6016