生产服务器已经停机，初步分析发现它遇到了JVM崩溃。jboss服务器日志和GC日志似乎还可以。jvm错误日志提到了"有问题的帧：#V[libjvm.so+0x546720]"。
配置详细信息：-
服务器是具有32位RHEL-5.2的64位计算机。JAVA:jdk1.6.0_11内存(RAM)：2GBJava虚拟机的堆大小为-Xmx1024m。
`Java运行时环境检测到意外错误：pc处的SIGSEGV(0xb)=0x06546720，pid=5127，tid=1822063504
Java虚拟机：Java HotSpot(TM)服务器虚拟机(11.0-b16混合模式linux-x86)有问题的框架：V[libjvm.so+0x546720]
如果您想提交错误报告，请访问：http://java.sun.com/webapps/bugreport/crash.jsp
---------------T H R E A D---------------
当前线程(0x09a05400)：GCTaskThread[堆栈：0x6c9270000,0x6c9a8000][id=5130]
siginfo:signo=SIGSEGV:sierno=0，si_code=1(SEGV_MAPERR)，si_addr=0x00000008
寄存器：EAX=0x00000008，EBX=0xa60239c0，ECX=0x000000c，EDX=0x000000c ESP=0x6c9a6ea0，EBP=0x6c9a6f18，ESI=0x0003ece，EDI=0xe2c30913 EIP=0x06546720，CR2=0x00000008，EFLAGS=0x00010202
堆栈顶部：(sp=0x6c9a6ea0)0x6c9a6ea0:004ac88900000000004b7ff46cb57c56 0x6c9a6eb0:0000000009a0630000000400 1c00dc04 0x6c9a3ec0：00a039c8 0000000 8 00000000 01505e98 0x6c9a6ed:09a06328 09a06328ffffffffff ffffff 0x6c9a6ee0:b3d06048 b3d0604c 6c9a6 f18 0000000 d0x6c9a6ef0:b3d28450 00001000 0000000 1 0000000 1 0x6c9a16f00:
a602fc1 b3d05db8 b3d06048 b3d2861c 0x6c9a6f10:00003ece 09a5fc406c9a6f58 065462c3说明：(pc=0x06546720)0x06546710:e0 01 84 c0 0f 84 16 05 0000 8b 45 ac 83 e0 fd 0x06546720:8b 00 c1 e8 03 83 e0 0f 3b 05 cc 286b 06 0f 8d
堆栈：[0x6c9270000,0x6c9a8000]，sp=0x6c9a6ea0，可用空间=511k本地帧：(J=编译的Java代码，J=解释的，Vv=VM代码，C=本机代码)V[libjvm.so+0x546720]V[libjvm.so+0x5462c3]V[libjvm.so+0x255c38]V[libjvm.so+0x5493ba]V[libjvm.so+0x32826b]V[libjvm.so+0x506709]C[libpthread.so.0+0x545b]
----------------p R O C E S S----------------
Java线程：(=>当前线程)0x0a745000 Java线程"保持活动定时器"守护进程[_thread_blocked，id=9822，stack(0x68fe4000,0x69005000)]0x6ae5900 JavaThread"Java2DDisposer"守护进程[_thread_blocked，id=5496，stack(0x6c2a7000,0x6c2c8000)]0x6b245800 JavaThread"TP监视器"守护进程[_thread_blocked，id=5493，堆栈(0x69ca6000,0x69cc7000)]
0x6b244000 JavaThread"TP-Processor4"守护进程[_thread_in_native，id=5492，堆栈(0x69cc7000，0x69ce8000)]0x6b276c00 Java线程"TP-Processor3"守护进程[_thread_blocked，id=5491，stack(0x69ce8000,0x69d09000)]0x6b276800 Java线程"TP-处理器2"守护进程[_thread_blocked，id=5490，堆栈(0x69d09000,0x69d2a000)]
0x6b276000 JavaThread"TP-Processor1"守护进程[_thread_block，id=5489，堆栈(0x69d2a000,0x69d4b000)]0x0ad39800 Java线程"http-0.00.0-8080-Monitor"[_thread_blocked，id=5488，堆栈(0x69d4b000,0x69d6c000)]0x0ad38400 Java线程"http-0.00.0-8080-Processor25"守护进程[_thread_blocked，id=5487，堆栈(0x69d6c000,0x69d8d000)]0x0bd06c00 Java线程"http-0.00.0-8080-Processor24"守护进程[_thread_blocked，id=5486，堆栈(0x69d8d000,0x69dae000)]0x0bd05400 Java线程"http-0.00.0-8080-Processor23"守护进程[_thread_blocked，id=5485，堆栈(0x69dae00,0x69dcf000)]0x0bd03c00 Java线程"http-0.00.0-8080-Processor22"守护进程[_thread_blocked，id=5484，堆栈(0x69dcf000,0x69df0000)]0x0bd02400 Java线程"http-0.00.0-8080-Processor21"守护进程[_thread_blocked，id=5483，堆栈(0x69df0000,0x69e11000)]0x0bd00c00 Java线程"http-0.00.0-8080-Processor20"守护进程[_thread_in_native，id=5482，堆栈(0x69e11000,0x69e32000)]0x0bcff400 Java线程"http-0.00.0-8080-Processor19"守护进程[_thread_in_native，id=5481，堆栈(0x69e32000,0x69e53000)]0x0bcfa800 Java线程"http-0.00.0-8080-Processor18"守护进程[_thread_blocked，id=5480，堆栈(0x69e5300,0x69e74000)]0x0bcf9000 Java线程"http-0.00.0-8080-Processor17"守护进程[_thread_blocked，id=5479，堆栈(0x69e74000,0x69e95000)]0x0aaa8400 Java线程"http-0.00.0-8080-Processor16"守护进程[_thread_blocked，id=5478，堆栈(0x69e95000,0x69eb6000)]0x0aaa6c00 Java线程"http-0.00.0-8080-Processor15"守护进程[_thread_blocked，id=5477，堆栈(0x69eb6000,0x69ed7000)]0x0aaa2400 Java线程"http-0.00.0-8080-Processor14"守护进程[_thread_blocked，id=5476，堆栈(0x69ed7000,0x69ef8000)]0x0a371400 Java线程"http-0.00.0-8080-Processor13"守护进程[_thread_blocked，id=5475，堆栈(0x69ef8000,0x69f19000)]0x0a370000 Java线程"http-0.00.0-8080-Processor12"守护进程[_thread_blocked，id=5474，堆栈(0x69f19000,0x69f3a000)]0x0bd26c00 Java线程"http-0.00.0-8080-Processor11"守护进程[_thread_blocked，id=5473，堆栈(0x69f3a0,0x69f5b000)]0x0a93bc00 Java线程"http-0.00.0-8080-Processor10"守护进程[_thread_blocked，id=5472，堆栈(0x69f5b000,0x69f7c000)]0x0a93a400 Java线程"http-0.00.0-8080-Processor9"守护进程[_thread_blocked，id=5471，堆栈(0x69f7c000,0x69f9d000)]0x0a9e1c00 Java线程"http-0.00.0-8080-Processor8"守护进程[_thread_blocked，id=5470，堆栈(0x69f9d000,0x69fbe000)]0x0aa7bc00 Java线程"http-0.00.0-8080-Processor7"守护进程[_thread_blocked，id=5469，堆栈(0x69fbe00,0x69fdf000)]0x0a213c00 Java线程"http-0.00.0-8080-Processor6"守护进程[_thread_blocked，id=5468，堆栈(0x69fdf000,0x6a000000)]0x0aa0a400 Java线程"http-0.00.0-8080-Processor5"守护进程[_thread_blocked，id=5467，堆栈(0x6a51900,0x6a53a000)]0x0aa09400 Java线程"http-0.00.0-8080-Processor4"守护进程[_thread_blocked，id=5466，堆栈(0x6a53a000,0x6a55b000)]0x0a5d2000 Java线程"http-0.00.0-8080-Processor3"守护进程[_thread_blocked，id=5465，堆栈(0x6a55b000,0x6a57c000)]0x0a10bc00 Java线程"http-0.00.0-8080-Processor2"守护进程[_thread_blocked，id=5464，堆栈(0x6a57c000,0x6a59d000)]0x09d72800 Java线程"http-0.00.0-8080-Processor1"守护进程[_thread_blocked，id=5463，堆栈(0x6a59d000,0x6a5be000)]0x0a006c00 Java线程"JBossLifeThread"[_thread_blocked，id=5462，stack(0x6a5be000,0x6a5df000)]0x6b652400 JavaThread"Timer-4"守护进程[_thread_blocked，id=5461，堆栈(0x6a5df000,0x6a600000)]0x0a45f400JavaThread"TestScheduler_QuartzSchedulerThread"[_thread_blocked，id=5460，堆栈(0x6a832000,0x6a853000)]0x0a542c00 Java线程"TestScheduler_Worker-11"[_thread_blocked，id=5459，堆栈(0x6a853000,0x6a874000)]0x09fe9000 Java线程"TestScheduler_Worker-10"[_thread_blocked，id=5458，堆栈(0x6a874000,0x6a895000)]0x0a3c8000 Java线程"TestScheduler_Worker-9"[_thread_blocked，id=5457，堆栈(0x6a895000,0x6a8b6000)]0x0b27d800 Java线程"TestScheduler_Worker-8"[_thread_blocked，id=5456，堆栈(0x6a8b6000,0x6a8d7000)]0x0bc9e800 Java线程"TestScheduler_Worker-7"[_thread_blocked，id=5455，堆栈(0x6a8d70000,0x6a8f8000)]0x0a595000 Java线程"TestScheduler_Worker-6"[_thread_blocked，id=5454，堆栈(0x6a8f8000,0x6a919000)]0x0abe7c00 Java线程"TestScheduler_Worker-5"[_thread_blocked，id=5453，堆栈(0x6a919000,0x6a93a000)]0x0a1be400 Java线程"TestScheduler_Worker-4"[_thread_blocked，id=5452，堆栈(0x6a93a000,0x6a95b000)]0x0a996c00 Java线程"TestScheduler_Worker-3"[_thread_blocked，id=5451，堆栈(0x6a95b000,0x6a97c000)]0x0abea400 Java线程"TestScheduler_Worker-2"[_thread_blocked，id=5450，堆栈(0x6a97c000,0x6a99d000)]0x0a5f7800 Java线程"TestScheduler_Worker-1"[_thread_blocked，id=5449，堆栈(0x6a99d000,0x6a9be000)]0x0a5f7400 Java线程"TestScheduler_Worker-0"[_thread_blocked，id=5448，stack(0x6a9be000,0x6a9df000)]0x0a2c1c00 Java线程"线程-12"守护进程[_thread_blocked，id=5447，堆栈(0x6a9df000,0x6aa00000)]
0x0a85cc00 JavaThread"thread-11"守护进程[_thread_in_native，id=5446，堆栈(0x6ab1900,0x6ab3a000)]0x0a7cb800 Java线程"ElementEventQueue.QProcessor-1"守护进程[_thread_blocked，id=5445，stack(0x6ab5b000,0x6ab7c000)]0x0a504800 Java线程"线程-9"[_thread_blocked，id=5442，堆栈(0x6ab3a000,0x6ab5b000)]0x0ad5c400JavaThread"Timer-3"守护进程[_thread_blocked，id=5437，stack(0x6ab7c000,0x6ab9d000)]0x0b284000 JavaThread"Timer-2"守护进程[_thread_blocked，id=5436，堆栈(0x6ab9d000,0x6abbe000)]0x0aef7c00JavaThread"Thread-5"[_Thread_blocked，id=5435，stack(0x6abbe000,0x6abdf000)]0x0a1dd400 Java线程"线程-4"[_thread_blocked，id=5434，堆栈(0x6b06d000,0x6b08e000)]0x0a7df400JavaThread"dest的连接使用者"订阅[subId=-2147483648connection=ConnectionToken:ID:2/b744868be8f2f16c9ebefdb987f81c71destination=主题。MastersSubscriberDB messageSelector=null本地创建]id=2"[_thread_blocked，id=5433，堆栈(0x6b08e000,0x6b0af000)]0x0b26fc00 JavaThread"dest的连接使用者订阅[subId=-2147483648connection=ConnectionToken:ID:1/fcba95a2a4e911261ee0d2731536dba2destination=主题。EPrescriptionMDB messageSelector=null本地创建]id=1"[_thread_blocked，id=5432，堆栈(0x6b0af000,0x6b0d0000)]
0x6b62f000 JavaThread"UILServerILService Accept thread"[_thread_in_native，id=5431，堆栈(0x6b35b000,0x6b37c000)]
0x6b1e8400 JavaThread"JCA PoolFiller"[_thread _blocked，id=5430，stack(0x6b37c000,0x6b39d000)]0x6bbf4400 JavaThread"IdleRemover"[_thread_blocked，id=5429，堆栈(0x6b39d000,0x6b3be000)]0x6b6aec00JavaThread"TimeoutFactory"守护进程[_thread_blocked，id=5428，stack(0x6b3be000,0x6b3df000)]0x6bc8f400 JavaThread"Timer-1"守护进程[_thread_blocked，id=5427，堆栈(0x6abdf000,0x6ac00000)]0x6bccd400JavaThread"JBossMQ Cache Reference Softner"守护进程[_thread_blocked，id=5426，堆栈(0x6a800000,0x6a821000)]0x0a514400 JavaThread"HSQLDBTimer@1ab5dae"守护进程[_thread_blocked，id=5424，堆栈(0x6b3df000,0x6b400000)]0x0a411400 Java线程"ContainerBackgroundProcessor[StandardEngine[jboss.web]]"守护程序[_thread_blocked，id=5422，堆栈(0x6b788000,0x6b7a9000)]0x09f58400JavaThread"PooledInvokerAcceptor#0-4445"[_thread_in_native，id=5421，stack(0x6b7f8000,0x6b819000)]0x09f59000 JavaThread"RMI TCPAccept-4444"守护进程[_thread_in_native，id=5420，堆栈(0x6b819000,0x6b83a000)]0x09f46800 Java线程"ClassLoadingPool(2)-1"守护进程[_thread_in_native，id=5419，stack(0x6b83a000,0x6b85b000)]0x09f3b000 JavaThread"JBoss系统线程(1)-1"守护进程[_thread_in_native，id=5418，stack(0x6b85b000,0x6b87c000)]0x09f87400 JavaThread"GC守护程序"守护进程[_thread_blocked，id=5417，堆栈(0x6b87c000,0x6b89d000)]
0x09f88c00 JavaThread"RMI Reaper"[_thread _blocked、id=5416，堆栈(0x6b89d000,0x6b8be000)]0x09f88400 JavaThread"RMI TCPAccept-1098"守护进程[_thread_in_native，id=5415，stack(0x6b8be000,0x6b8df000)]0x09f78c00 JavaThread"ScannerThread"守护进程[_thread_blocked，id=5414，堆栈(0x6b8df000,0x6b900000)]
0x09f3e800 JavaThread"Timer-0"守护进程[_thread_block，id=5413，stack(0x6ba39000,0x6ba5a000)]0x099fcc00 JavaThread"DestroyJavaVM"[_thread_blocked，id=5128，堆栈(0xb7f24000,0xb7f45000)]0x09a9f000JavaThread"低内存检测器"守护进程[_thread_blocked，id=5137，堆栈(0x6c349000,0x6c36a000)]0x09a9d400 Java线程"CompilerThread1"守护进程[_thread_blocked，id=5136，堆栈(0x6c36a000,0x6c3eb000)]0x09a9a400 Java线程"CompilerThread0"守护进程[_thread_blocked，id=5135，stack(0x6c3eb000,0x6c46c000)]0x09a98c00 JavaThread"信号Dispatcher"守护进程[_thread_blocked，id=5134，stack(0x6c46c000,0x6c48d000)]0x09a85c00 JavaThread"终结器"守护进程[_thread_blocked，id=5133，堆栈(0x6c68d000,0x6c6ae000)]
0x09a84400 JavaThread"引用处理程序"守护进程[_thread_block，id=5132，堆栈(0x6c6ae000，0x6cc6cf000)]
其他线程：
0x09a80c00VMThread[堆栈：0x6c6cf000,0x6c750000][id=5131]
0x09aa1000 WatcherThread[栈：0x6c2c8000,0x6c349000][id=5138]=>0x09a05400(已退出)GCTaskThread[堆栈：0x6c9270000,0x6c9a8000][id=5130]
VM状态：在安全点(正常执行)
线程当前拥有的VM Mutex/Monitor：([Mutex/lock_event])[0x099faff8]未知-所有者线程：0x09a80c00[0x099fb408]未知-所有者线程：0x0bd03c00
堆PSYoungGen总计328704K，使用313529K[0x9f8b0000，0xb4e00000，0xb4e 00000)eden空间307904K，100%已使用[0x9f8b0000,0xb2560000,0xb2560000)来自空间20800K，已使用27%[0x2560000,0xb2ade6b0,0xb39b0000)到空间20352K，已使用25%[0xb3a20000,0xb3f2e800,0xb4e00000)PSOldGen总计699072K，已使用489011K[0x74e00000，0x9f8b00000，0x9f4b00000)对象空间699072K，69%已使用[0x74e0000,0x92b8cca8,0x9f8b00000)PSPerimGen
总计131072K，已使用102017K[0x6ce000000，0x74e0000,0x74e000000)
对象空间131072K
动态库：
00312000-00320000 r-xp 0000000003:03 20776307/lib/ld-2.5.so0032c000-0032d000 r-xp 00019000 03:03 20776307/lib/ld-2.5.so0032d000-0032e000 rwxp 0001a000 03:03 20776307/lib/ld-2.5.so00330000-0046d000 r-xp 00000000 03:03 20776308/lib/libc-2.5.so0046d000-0046f000 r-xp 0013d000 03:03 20776308/lib/libc-2.5.so0046f000-00470000 rwxp 0013f000 03:03 20776308/lib/libc-2.5.so00470000-00473000 rwxp 00470000 00:00 0 00475000-0049a000 r-xp0000000003:03 20776309/lib/libm-2.5.so 0049000-0049b000 r-xp00024000 03:03 20776309/lib/libm-2.5.so 0049b0-0049c000 rwxp00025000 03:03 20776309/lib/libm-2.5.so 0049e00-004a0000 r-xp0000000003:03 20776314/lib/libdl-2.5.so 004a0000-004a1000 r-xp00001000 03:03 20776314/lib/libdl-2.5.so 004a1000-004a2000 rwxp00002000 03:03 20776314/lib/libdl-2.5.so 004a4000-004b7000 r-xp0000000003:03 20776311/lib/lipthread-2.5.so 004b7000-004b8000r-xp 00012000 03:03 20776311/lib/lipthread-2.5.so004b8000-004b9000 rwxp 00013000 03:03 20776311
/lib/libpthread-2.5.so 004b9000-004bb000 rwxp 004b9000 00:00 0008da000-008e1000 r-xp 0000000003:03 20776312/lib/libt-2.5so008e1000-008e2000 r-xp 00006000 03:03 20776312/lib/libt-2.5so008e2000-008e3000 rwxp 00007000 03:03 20776312/lib/libt-2.5so008eb000-008fa000 r-xp 0000000003:03 20776327/lib/libresolv-2.5.so008fa000-008fb000 r-xp 0000e000 03:03 20776327/lib/libresolv-2.5.so008fb000-008fc000 rwxp 0000f000 03:03 20776327/lib/libresolv-2.5.so008fc000-008fe000 rwxp 008fc000 00:00 0 00c74000-00c87000 r-xp0000000003:03 20776313/lib/libns-2.5.so 00c87000-00c88000 r-xp00012000 03:03 20776313/lib/libns-2.5.so 00c88000-00c89000 rwxp00013000 03:03 20776313/lib/libns-2.5.so 00c89000-00c8b000 rwxp00c89000 00:00 0 06000000-06676000 r-xp 00000000 03:03 4620339
/usr/local/java/jdk1.6.0_11/jre/lib/i386/server/libjvm.so06676000-066bb000 rwxp 00675000 03:03 4620339
/usr/local/java/jdk1.6.0_11/jre/lib/i386/server/libjvm.so066bb000-06add000 rwxp 066bb000 00:00 0 0804800-08052000 r-xp0000000003:03 4685976/usr/local/java/jdk1.6.0_11/bin/java08052000-08053000 rwxp 00009000 03:03 4685976
/usr/local/java/jdk1.6.0_11/bin/java 099f7000-0bd51000 rwxp 099f700000:00 0 68c00000-68cd8000 rwxp 68c00000 00:00 0 68 cd8000-68d00000--xp 68cd8000 00:00 0 68e0000-68efc000 rwxp 68e0000 00:00 0 68 efc000-68f00000--xp 68efc000 00:00 0 680 fe4000-68fe7000--xp68fe4000 00:00 0 68fe7000-69005000 rwxp 68fe7000 00:00 069005000-69008000 rwxp 69005000 00:00 0 69008000-69026000 rwxp69008000 00:00 0 69026000-69045000 r-xs 00000000 03:03 4166654
/usr/share/X11/fonts/Type1/courb.pfa 69045000-69059000 r-xs 00000003:03 4166663/usr/share/X11/fonts/Type1/l047016t.pfa…………b7f59000-b7f5a000 rwxp b7f590 00 00:00 0b7f5a00-b7f5b000--xp b7f5a 000 00:00 0 b7f5c000-b7f5cm 000 rwxpb7f5b000 00:00 0 b7f5c000-b7f5d000 r-xp b7f5c000 00:00 0
[vdso]bfb27000-bfb3000 rwxp bfb27000 00:00 0[stack]
VM参数：
jvm_args:-Dprogram.name=run.sh-Xmx1024m-Xms1024m-Xss128k-Dsalmon.props.path=/usr/local/jboss/jboss-3.2.7/server/default/deploy/jbossweb-to-mcat50.sar/salmonrops-Djava.awt.headless=true-verbose:gc-XX:NewRatio=2-XX:+PrintGCTimeStamps-XX::PrintGCDetails-XX:PermSize=128m-XX:MaxPermSize=128m-Dsun.rmi.dgc.client.gcInterval=3600000-Dsun.remi.dgc.server.gcInterval=3600000–Djava.io.tmpdir=/tmp-Xloggc：/usr/local/jboss/jboss-3.2.7/server/default/log/clog.log-XX:+DisableExplicitGC-Djava.derbed.dirs=/usr/local/jboss/jboss-3.2.7/lib/endorsedjava_command:org.jobs.Main Launcher类型：SUN_STANDARD
环境变量：
PATH=/usr/kerberos/bin:/usr/local/bin:/bin:/usr/bin:/usr\local/jboss/binLD_LIBRARY_PATH=/usr/local/java/jdk1.6.0_11/jre/lib/i386/server:/usr/local/java/jdk11.6.0_11/jre/lib/i86:/usr/local/java/jdk1.6.0_11/jre/../lib/i386SHELL=/bin/bash
信号处理器：
SIGSEGV:[libjvm.so+0x606fd0]，sa_mask[0]=0x7ffbfeff，sa_flags＝0x10000004 SIGBUS:[libjvm.so+0x606fd0]，sa_mask[0]=0x7ffbfeff，sa_flags=0x10000004 SIGFPE：[libjvm.so+0x504690]，sa_mask[0]=0x7ffbfeff，sa_flags=0x10000004SIGPIPE：[libjvm.so+0x504690]，sa_mask[0]=0x7ffbfeff，sa_flags＝0x10000004 SIGXFSZ:[libjvm.so+0x504690]，sa_mask[0]=0x7ffbfeff，sa_flags=0x10000004 SIGILL：[libjvm.so+0x504690]，sa_mask[0]=0x7ffbfeff，sa_flags=0x10000004SIGUSR1:SIG_DFL，sa_mask[0]=0x00000000，sa_flags=0x00000000SIGUSR2:[libjvm.so+0x506b60]，sa_mask[0]=0x00000000，sa_flags=0x10000004SIGHUP:[libjvm.so+0x506900]，sa_mask[0]=0x7ffbfeff，sa_flags＝0x10000004 SIGINT:SIG_IGN，sa_mask[0]＝0x00000000，sa_flags=0x0000000SIGTERM:[libjvm.so+0x506900]，sa_mask[0]=0x7ffbfeff，sa_flags=0x10000004 SIGQUIT：[libjvm.so+0x506900]，sa_mask[0]=0x7ffbfeff，sa_flags=0x10000004
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操作系统：Red Hat Enterprise Linux Server 5.2版(Tikanga)
uname:Linux 2.6.18-92.el5#1 SMP美国东部时间2008年4月29日星期二13:16:12 i686libc:glibc 2.5 NPTL 2.5rlimit：堆叠10240k，核心0k，NPROC 32601，无文件1024，AS无穷大负载平均值：0.10 0.06 0.02
CPU：总共2个(每个CPU 2个内核，每个内核1个线程)系列6型号15步进13，cmov，cx8，fxsr，mmx，sse，sse2，sse3，ssse3
内存：4k页，物理2065048k(434208k空闲)，交换4192956k(4192956kk空闲)
vm_info:Java HotSpot(TM)Server vm(11.0-b16)，适用于linux-x86 JRE(1.6.0_11-b03)，由"Java_re"与gcc 3.2.1-7a(J2SE版本)于2008年11月10日01:21:35构建
时间：2011年6月14日星期二15:50:47经过时间：17909秒`
好吧，你在一台内存约为2GB的机器上运行的是带有2GB堆的JVM，而堆并不是JVM(或系统)中唯一使用内存的东西。堆访问是否可能导致页面错误(迫使其进行交换)？我不希望JVM在这种情况下呕吐，但我认为这是可能的。
编辑：对不起，我看错了。1GB堆，2GB内存。我想我不知道。
尝试检查系统中的硬件。也许记忆已经过时了
首先对硬件进行基准测试(在linux的情况下使用sysbench)
只要改变记忆，它就会正常工作。