1 Reply Latest reply on Mar 7, 2006 10:57 AM by Peter Johnson

    Java VM Crash

    Joachim Bader Newbie

      Hi,

      on one of our productive JBoss installations we have a serious problem. Somtimes it runs a few weeks and sometimes it runs only 10 minutes and then exit with a Java VM crash.

      It seems that it has nothing to do with load on the server.

      Any ideas?

      regards,
      Joachim

      #
      # An unexpected error has been detected by HotSpot Virtual Machine:
      #
      # SIGSEGV (0xb) at pc=0x405122cd, pid=19278, tid=1981299632
      #
      # Java VM: Java HotSpot(TM) Server VM (1.5.0_03-b07 mixed mode)
      # Problematic frame:
      # V [libjvm.so+0x3b52cd]
      #

      --------------- T H R E A D ---------------

      Current thread (0x080f2800): VMThread [id=19279]

      siginfo:si_signo=11, si_errno=0, si_code=1, si_addr=0x00000057

      Registers:
      EAX=0xffffffff, EBX=0x406bab2c, ECX=0x65e402c8, EDX=0x4fceaa08
      ESP=0x76182ae0, EBP=0x76182af8, ESI=0x406ac140, EDI=0x406c9074
      EIP=0x405122cd, CR2=0x00000057, EFLAGS=0x00010206

      Top of Stack: (sp=0x76182ae0)
      0x76182ae0: 65e402c8 4fceaa08 0807ac50 0807ac50
      0x76182af0: 406bab2c 406b2520 76182b18 405125dc
      0x76182b00: 406b2520 00000018 40159838 00000000
      0x76182b10: 40159824 406bab2c 76182b48 405f1754
      0x76182b20: 406c9074 406b2520 76182bac 400a5a31
      0x76182b30: 7ab87678 7ab8767c 4061b4e3 406bab2c
      0x76182b40: 00000002 0807ab30 76182b88 4035e520
      0x76182b50: 406c9074 00000000 00000001 00000001

      Instructions: (pc=0x405122cd)
      0x405122bd: 40 08 8b 14 88 8b 42 04 8d 48 08 8b 40 08 52 51
      0x405122cd: ff 50 58 8b 06 83 c4 10 8b 08 85 c9 75 d9 eb d0

      Stack: [0x76103000,0x76184000), sp=0x76182ae0, free space=510k
      Native frames: (J=compiled Java code, j=interpreted, Vv=VM code, C=native code)
      V [libjvm.so+0x3b52cd]
      V [libjvm.so+0x3b55dc]
      V [libjvm.so+0x494754]
      V [libjvm.so+0x201520]
      V [libjvm.so+0x203aa8]
      V [libjvm.so+0x203312]
      V [libjvm.so+0x2121ad]
      V [libjvm.so+0x478f6e]
      V [libjvm.so+0x200f57]
      V [libjvm.so+0x201efe]
      V [libjvm.so+0x4bafa8]
      V [libjvm.so+0x4baca6]
      V [libjvm.so+0x4ba317]
      V [libjvm.so+0x4ba525]
      V [libjvm.so+0x4ba130]
      V [libjvm.so+0x3eca78]
      C [libpthread.so.0+0x5aa7]

      VM_Operation (0x77a97ef0): full generation collection, mode: safepoint, requested by thread 0x08a6d0d8


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

      Java Threads: ( => current thread )
      0x08a71e70 JavaThread "Java2D Disposer" daemon [_thread_blocked, id=19470]
      0x08979728 JavaThread "TP-Processor12" daemon [_thread_in_native, id=19463]
      0x095adb20 JavaThread "TP-Processor11" daemon [_thread_in_native, id=19462]
      0x095ad468 JavaThread "TP-Processor10" daemon [_thread_in_native, id=19461]
      0x083dcce8 JavaThread "TP-Processor9" daemon [_thread_blocked, id=19460]
      0x08b7baa8 JavaThread "TP-Processor8" daemon [_thread_in_native, id=19425]
      0x08b7b018 JavaThread "TP-Processor7" daemon [_thread_in_native, id=19424]
      0x0938e4a8 JavaThread "TP-Processor6" daemon [_thread_blocked, id=19423]
      0x0938df08 JavaThread "TP-Processor5" daemon [_thread_in_native, id=19422]
      0x08aa48e0 JavaThread "http-0.0.0.0-8080-22" daemon [_thread_blocked, id=19374]
      0x083decc0 JavaThread "http-0.0.0.0-8080-21" daemon [_thread_blocked, id=19373]
      0x09601e90 JavaThread "http-0.0.0.0-8080-20" daemon [_thread_blocked, id=19371]
      0x09248578 JavaThread "http-0.0.0.0-8080-19" daemon [_thread_blocked, id=19370]
      0x095b0738 JavaThread "http-0.0.0.0-8080-18" daemon [_thread_blocked, id=19364]
      0x09c307e8 JavaThread "http-0.0.0.0-8080-17" daemon [_thread_blocked, id=19361]
      0x09c30cb0 JavaThread "http-0.0.0.0-8080-16" daemon [_thread_in_native, id=19360]
      0x08126a00 JavaThread "http-0.0.0.0-8080-15" daemon [_thread_blocked, id=19359]
      0x0934b848 JavaThread "http-0.0.0.0-8080-14" daemon [_thread_blocked, id=19358]
      0x09615040 JavaThread "TP-Monitor" daemon [_thread_blocked, id=19357]
      0x09289600 JavaThread "http-0.0.0.0-8080-13" daemon [_thread_blocked, id=19356]
      0x09c2d250 JavaThread "RMI LeaseChecker" daemon [_thread_blocked, id=19354]
      0x09c357f0 JavaThread "TimeoutFactory" daemon [_thread_blocked, id=19353]
      0x08716598 JavaThread "RMI RenewClean-[85.10.200.196:4444]" daemon [_thread_blocked, id=19351]
      0x08394ea0 JavaThread "http-0.0.0.0-8080-12" daemon [_thread_blocked, id=19350]
      0x08393f10 JavaThread "http-0.0.0.0-8080-11" daemon [_thread_blocked, id=19349]
      0x08392ea8 JavaThread "http-0.0.0.0-8080-10" daemon [_thread_blocked, id=19348]
      0x083921d0 JavaThread "http-0.0.0.0-8080-9" daemon [_thread_blocked, id=19347]
      0x09406b30 JavaThread "TP-Processor4" daemon [_thread_in_native, id=19346]
      0x09405c78 JavaThread "TP-Processor3" daemon [_thread_in_native, id=19345]
      0x09404df8 JavaThread "http-0.0.0.0-8080-8" daemon [_thread_blocked, id=19344]
      0x088571d0 JavaThread "TP-Processor2" daemon [_thread_in_native, id=19343]
      0x08856340 JavaThread "http-0.0.0.0-8080-7" daemon [_thread_blocked, id=19342]
      0x08855410 JavaThread "TP-Processor1" daemon [_thread_in_native, id=19341]
      0x090bf488 JavaThread "http-0.0.0.0-8080-6" daemon [_thread_blocked, id=19340]
      0x08b546c0 JavaThread "http-0.0.0.0-8080-5" daemon [_thread_blocked, id=19339]
      0x08304a30 JavaThread "http-0.0.0.0-8080-4" daemon [_thread_in_native, id=19338]
      0x097b57b0 JavaThread "http-0.0.0.0-8080-3" daemon [_thread_blocked, id=19337]
      0x08b61d48 JavaThread "http-0.0.0.0-8080-2" daemon [_thread_in_native, id=19336]
      0x083022f8 JavaThread "http-0.0.0.0-8080-1" daemon [_thread_blocked, id=19335]
      0x08b9db98 JavaThread "http-0.0.0.0-8080" daemon [_thread_in_native, id=19334]
      0x097b5980 JavaThread "JBossLifeThread" [_thread_blocked, id=19333]
      0x093b6988 JavaThread "IdleRemover" [_thread_blocked, id=19328]
      0x08d87708 JavaThread "Timer-3" daemon [_thread_blocked, id=19326]
      0x094aa428 JavaThread "JCA PoolFiller" [_thread_blocked, id=19324]
      0x0857df60 JavaThread "Timer-2" daemon [_thread_blocked, id=19323]
      0x088b0c08 JavaThread "HSQLDB Timer @2e34bf" daemon [_thread_blocked, id=19322]
      0x08ba0d58 JavaThread "WorkManager(3)-1" daemon [_thread_blocked, id=19320]
      0x08918018 JavaThread "ContainerBackgroundProcessor[StandardEngine[jboss.web]]" daemon [_thread_blocked, id=19311]
      0x0889f008 JavaThread "PooledInvokerAcceptor#0-4445" [_thread_in_native, id=19309]
      0x085c6e00 JavaThread "RMI TCP Accept-4444" daemon [_thread_in_native, id=19307]
      0x086b7280 JavaThread "ClassLoadingPool(2)-1" daemon [_thread_in_native, id=19306]
      0x08443240 JavaThread "JBoss System Threads(1)-1" daemon [_thread_in_native, id=19305]
      0x08a6d0d8 JavaThread "GC Daemon" daemon [_thread_blocked, id=19304]
      0x081cdb18 JavaThread "RMI Reaper" [_thread_blocked, id=19303]
      0x0828b4e0 JavaThread "Timer-1" daemon [_thread_blocked, id=19302]
      0x087a4d80 JavaThread "RMI TCP Accept-1098" daemon [_thread_in_native, id=19301]
      0x087a50f0 JavaThread "ScannerThread" daemon [_thread_blocked, id=19300]
      0x080dd070 JavaThread "Timer-0" daemon [_thread_blocked, id=19299]
      0x0805bd40 JavaThread "DestroyJavaVM" [_thread_blocked, id=19278]
      0x081046b8 JavaThread "Low Memory Detector" daemon [_thread_blocked, id=19286]
      0x08103240 JavaThread "CompilerThread1" daemon [_thread_blocked, id=19285]
      0x081021f0 JavaThread "CompilerThread0" daemon [_thread_blocked, id=19284]
      0x081010c0 JavaThread "AdapterThread" daemon [_thread_blocked, id=19283]
      0x08100248 JavaThread "Signal Dispatcher" daemon [_thread_blocked, id=19282]
      0x080f5120 JavaThread "Finalizer" daemon [_thread_blocked, id=19281]
      0x080f4bf8 JavaThread "Reference Handler" daemon [_thread_blocked, id=19280]

      Other Threads:
      =>0x080f2800 VMThread [id=19279]
      0x08105b48 WatcherThread [id=19287]

      VM state:at safepoint (normal execution)

      VM Mutex/Monitor currently owned by a thread: ([mutex/lock_event])
      [0x0805b190/0x0805b1b8] Threads_lock - owner thread: 0x080f2800
      [0x0805b5e0/0x0805b5f8] Heap_lock - owner thread: 0x08a6d0d8

      Heap
      def new generation total 30656K, used 17678K [0x45e40000, 0x47f80000, 0x4de40000)
      eden space 27264K, 63% used [0x45e40000, 0x46f1e310, 0x478e0000)
      from space 3392K, 11% used [0x47c30000, 0x47c95868, 0x47f80000)
      to space 3392K, 0% used [0x478e0000, 0x478e0000, 0x47c30000)
      tenured generation total 102000K, used 59910K [0x4de40000, 0x541dc000, 0x65e40000)
      the space 102000K, 58% used [0x4de40000, 0x518c1998, 0x518c1a00, 0x541dc000)
      compacting perm gen total 262144K, used 46850K [0x65e40000, 0x75e40000, 0x75e40000)
      the space 262144K, 17% used [0x65e40000, 0x68c00ac8, 0x68c00c00, 0x75e40000)
      No shared spaces configured.

      Dynamic libraries:
      08048000-08056000 r-xp 00000000 08:02 99842 /usr/java/jdk1.5.0_03/bin/java
      08056000-08058000 rwxp 0000e000 08:02 99842 /usr/java/jdk1.5.0_03/bin/java
      08058000-0a833000 rwxp 08058000 00:00 0
      40000000-40016000 r-xp 00000000 08:02 3162 /lib/ld-2.3.4.so
      40016000-40018000 rwxp 00015000 08:02 3162 /lib/ld-2.3.4.so
      4002c000-4002d000 rwxp 4002c000 00:00 0
      4002d000-4003b000 r-xp 00000000 08:02 87309 /lib/tls/libpthread.so.0
      4003b000-4003d000 rwxp 0000d000 08:02 87309 /lib/tls/libpthread.so.0
      4003d000-4003f000 rwxp 4003d000 00:00 0
      4003f000-40041000 r-xp 00000000 08:02 86024 /lib/libdl.so.2
      40041000-40043000 rwxp 00001000 08:02 86024 /lib/libdl.so.2
      40043000-40156000 r-xp 00000000 08:02 87195 /lib/tls/libc.so.6
      40156000-40157000 r-xp 00113000 08:02 87195 /lib/tls/libc.so.6
      40157000-4015a000 rwxp 00114000 08:02 87195 /lib/tls/libc.so.6
      4015a000-4015d000 rwxp 4015a000 00:00 0
      4015d000-4065d000 r-xp 00000000 08:02 107092 /usr/java/jdk1.5.0_03/jre/lib/i386/server/libjvm.so
      4065d000-406be000 rwxp 00500000 08:02 107092 /usr/java/jdk1.5.0_03/jre/lib/i386/server/libjvm.so
      406be000-40ad5000 rwxp 406be000 00:00 0
      40ad5000-40ad6000 ---p 40ad5000 00:00 0
      40ad6000-40ad7000 rwxp 40ad6000 00:00 0
      40ad7000-40add000 r-xp 00000000 08:02 107087 /usr/java/jdk1.5.0_03/jre/lib/i386/native_threads/libhpi.so
      40add000-40ade000 rwxp 00006000 08:02 107087 /usr/java/jdk1.5.0_03/jre/lib/i386/native_threads/libhpi.so
      40ae9000-40b0a000 r-xp 00000000 08:02 87307 /lib/tls/libm.so.6
      40b0a000-40b0c000 rwxp 00020000 08:02 87307 /lib/tls/libm.so.6
      40b20000-40b31000 r-xp 00000000 08:02 44398 /lib/libnsl.so.1
      40b31000-40b33000 rwxp 00010000 08:02 44398 /lib/libnsl.so.1
      40b33000-40b35000 rwxp 40b33000 00:00 0
      40b35000-40b6a000 r-xs 00000000 08:02 112221 /var/run/nscd/passwd
      40b6a000-40b72000 rwxs 00000000 08:02 3172 /tmp/hsperfdata_proveo/19278
      40b72000-40b7d000 r-xp 00000000 08:02 107083 /usr/java/jdk1.5.0_03/jre/lib/i386/libverify.so
      40b7d000-40b7e000 rwxp 0000b000 08:02 107083 /usr/java/jdk1.5.0_03/jre/lib/i386/libverify.so
      40b7e000-40b9f000 r-xp 00000000 08:02 107064 /usr/java/jdk1.5.0_03/jre/lib/i386/libjava.so
      40b9f000-40ba1000 rwxp 00020000 08:02 107064 /usr/java/jdk1.5.0_03/jre/lib/i386/libjava.so
      40ba1000-40bb4000 r-xp 00000000 08:02 107084 /usr/java/jdk1.5.0_03/jre/lib/i386/libzip.so
      40bb4000-40bb6000 rwxp 00012000 08:02 107084 /usr/java/jdk1.5.0_03/jre/lib/i386/libzip.so
      40bb6000-40bc5000 r-xs 00000000 08:02 103709 /opt/jboss/jboss-4.0.2/lib/endorsed/resolver.jar
      40bc5000-40cbc000 r-xs 00000000 08:02 103711 /opt/jboss/jboss-4.0.2/lib/endorsed/xercesImpl.jar
      40cbc000-40e70000 r-xs 00000000 08:02 103710 /opt/jboss/jboss-4.0.2/lib/endorsed/xalan.jar
      40e70000-40e8f000 r-xs 00000000 08:02 103712 /opt/jboss/jboss-4.0.2/lib/endorsed/xml-apis.jar
      40e8f000-43472000 r-xs 00000000 08:02 107632 /usr/java/jdk1.5.0_03/jre/lib/rt.jar
      43472000-434db000 rwxp 43472000 00:00 0
      434db000-43562000 r-xs 00000000 08:02 107188 /usr/java/jdk1.5.0_03/jre/lib/jsse.jar
      43562000-43576000 r-xs 00000000 08:02 107128 /usr/java/jdk1.5.0_03/jre/lib/jce.jar
      43576000-43db1000 r-xs 00000000 08:02 107130 /usr/java/jdk1.5.0_03/jre/lib/charsets.jar
      43db1000-449b9000 rwxp 43db1000 00:00 0
      449b9000-45db1000 rwxp 449b9000 00:00 0
      45db1000-45de2000 rwxp 45db1000 00:00 0
      45de2000-45e31000 rwxp 45de2000 00:00 0
      45e31000-45e37000 r-xp 00000000 08:02 107075 /usr/java/jdk1.5.0_03/jre/lib/i386/libmanagement.so
      45e37000-45e38000 rwxp 00005000 08:02 107075 /usr/java/jdk1.5.0_03/jre/lib/i386/libmanagement.so
      45e38000-45e3a000 r-xs 00000000 08:02 87954 /opt/jboss/jboss-4.0.2/server/proveo_wwt/lib/hsqldb-plugin.jar
      45e3a000-45e3b000 r-xs 00000000 08:02 95868 /opt/jboss/jboss-4.0.2/server/proveo_wwt/lib/scheduler-plugin-example.jar
      45e3e000-45e40000 r-xs 00000000 08:02 108851 /opt/jboss/jboss-4.0.2/server/proveo_wwt/tmp/deploy/tmp59553jboss-ha-local-jdbc.rar
      45e40000-47f80000 rwxp 45e40000 00:00 0
      47f80000-4de40000 rwxp 47f80000 00:00 0
      4de40000-541dc000 rwxp 4de40000 00:00 0
      541dc000-65e40000 rwxp 541dc000 00:00 0
      65e40000-75e51000 rwxp 65e40000 00:00 0
      75e51000-75e80000 rwxp 75e51000 00:00 0
      75e80000-75eb2000 rwxp 75e80000 00:00 0
      75eb2000-75f40000 rwxp 75eb2000 00:00 0
      75f40000-75ff3000 rwxp 75f40000 00:00 0
      75ff3000-76082000 rwxp 75ff3000 00:00 0
      76082000-76103000 rwxp 76082000 00:00 0
      76103000-76104000 ---p 76103000 00:00 0
      76104000-76184000 rwxp 76104000 00:00 0
      76184000-76187000 ---p 76184000 00:00 0
      76187000-76205000 rwxp 76187000 00:00 0
      76205000-76208000 ---p 76205000 00:00 0
      76208000-76286000 rwxp 76208000 00:00 0
      76286000-762c1000 r-xp 00000000 08:02 87334 /usr/lib/locale/de_DE.utf8/LC_CTYPE
      762c1000-762c7000 r-xs 00000000 08:02 3933 /usr/lib/gconv/gconv-modules.cache
      762c7000-762ca000 ---p 762c7000 00:00 0
      762ca000-76348000 rwxp 762ca000 00:00 0
      76348000-7634b000 ---p 76348000 00:00 0
      7634b000-763c9000 rwxp 7634b000 00:00 0
      763c9000-763cc000 ---p 763c9000 00:00 0
      763cc000-7644a000 rwxp 763cc000 00:00 0
      7644a000-7644d000 ---p 7644a000 00:00 0
      7644d000-764cb000 rwxp 7644d000 00:00 0
      764cb000-764ce000 ---p 764cb000 00:00 0
      764ce000-7654c000 rwxp 764ce000 00:00 0
      7654c000-7654d000 ---p 7654c000 00:00 0
      7654d000-765cd000 rwxp 7654d000 00:00 0
      765cd000-765cf000 r-xs 00000000 08:02 107980 /usr/java/jdk1.5.0_03/jre/lib/ext/dnsns.jar
      765cf000-765fa000 r-xs 00000000 08:02 107010 /usr/java/jdk1.5.0_03/jre/lib/ext/sunpkcs11.jar
      765fa000-76620000 r-xs 00000000 08:02 107981 /usr/java/jdk1.5.0_03/jre/lib/ext/sunjce_provider.jar
      76620000-766e4000 r-xs 00000000 08:02 106997 /usr/java/jdk1.5.0_03/jre/lib/ext/localedata.jar
      766e4000-766ed000 r-xs 00000000 08:02 104877 /opt/jboss/jboss-4.0.2/bin/run.jar
      766ed000-766f0000 ---p 766ed000 00:00 0
      766f0000-7676e000 rwxp 766f0000 00:00 0
      7676e000-76771000 r-xs 00000000 08:02 103466 /opt/jboss/jboss-4.0.2/client/getopt.jar
      76771000-76e21000 r-xs 00000000 08:02 107908 /usr/java/jdk1.5.0_03/lib/tools.jar
      76e21000-76eb2000 r-xs 00000000 08:02 103717 /opt/jboss/jboss-4.0.2/lib/jboss-jmx.jar
      76eb2000-76f18000 r-xs 00000000 08:02 103708 /opt/jboss/jboss-4.0.2/lib/dom4j.jar
      76f18000-76f53000 r-xs 00000000 08:02 103715 /opt/jboss/jboss-4.0.2/lib/jaxen.jar
      76f53000-76f5b000 r-xs 00000000 08:02 103714 /opt/jboss/jboss-4.0.2/lib/gnu-regexp.jar
      76f5b000-76f86000 r-xs 00000000 08:02 103707 /opt/jboss/jboss-4.0.2/lib/concurrent.jar
      76f86000-76fa4000 r-xs 00000000 08:02 103719 /opt/jboss/jboss-4.0.2/lib/log4j-boot.jar
      76fa4000-77017000 r-xs 00000000 08:02 103716 /opt/jboss/jboss-4.0.2/lib/jboss-common.jar
      77017000-77050000 r-xs 00000000 08:02 103718 /opt/jboss/jboss-4.0.2/lib/jboss-system.jar
      77050000-77051000 r-xs 00000000 08:02 103720 /opt/jboss/jboss-4.0.2/lib/namespace.jar
      77051000-77065000 r-xp 00000000 08:02 107078 /usr/java/jdk1.5.0_03/jre/lib/i386/libnet.so
      77065000-77066000 rwxp 00013000 08:02 107078 /usr/java/jdk1.5.0_03/jre/lib/i386/libnet.so
      77066000-7706d000 r-xs 00000000 08:02 98747 /opt/jboss/jboss-4.0.2/server/proveo_wwt/tmp/deploy/tmp59513hibernate-metadata.jar
      7706d000-77079000 r-xs 00000000 08:02 99246 /opt/jboss/jboss-4.0.2/server/proveo_wwt/tmp/deploy/tmp59525catalina-manager.jar
      7707a000-77082000 r-xp 00000000 08:02 86029 /lib/libnss_files.so.2
      77082000-77084000 rwxp 00007000 08:02 86029 /lib/libnss_files.so.2
      77084000-770b9000 r-xs 00000000 08:02 112224 /var/run/nscd/dbMvQwsB (deleted)
      770b9000-77138000 r-xs 00000000 08:02 88144 /opt/jboss/jboss-4.0.2/server/proveo_wwt/lib/bcel.jar
      77138000-7719f000 r-xs 00000000 08:02 99834 /opt/jboss/jboss-4.0.2/server/proveo_wwt/lib/mysql-connector-java-3.1.10-bin.jar
      7719f000-771db000 r-xs 00000000 08:02 95653 /opt/jboss/jboss-4.0.2/server/proveo_wwt/lib/bsh-1.3.0.jar
      771db000-771e1000 r-xs 00000000 08:02 95654 /opt/jboss/jboss-4.0.2/server/proveo_wwt/lib/bindingservice-plugin.jar
      771e1000-771ef000 r-xs 00000000 08:02 95688 /opt/jboss/jboss-4.0.2/server/proveo_wwt/lib/activation.jar
      771ef000-771f9000 r-xs 00000000 08:02 95693 /opt/jboss/jboss-4.0.2/server/proveo_wwt/lib/jnpserver.jar
      771f9000-771fe000 r-xs 00000000 08:02 95866 /opt/jboss/jboss-4.0.2/server/proveo_wwt/lib/jboss-saaj.jar
      771fe000-7724f000 r-xs 00000000 08:02 95966 /opt/jboss/jboss-4.0.2/server/proveo_wwt/lib/mail.jar
      7724f000-7725b000 r-xs 00000000 08:02 95969 /opt/jboss/jboss-4.0.2/server/proveo_wwt/lib/scheduler-plugin.jar
      7725b000-77274000 r-xs 00000000 08:02 96383 /opt/jboss/jboss-4.0.2/server/proveo_wwt/lib/javax.servlet.jar
      77274000-77285000 r-xs 00000000 08:02 98895 /opt/jboss/jboss-4.0.2/server/proveo_wwt/lib/jboss-common-jdbc-wrapper.jar
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      7b658000-7b662000 rwxp 00073000 08:02 107058 /usr/java/jdk1.5.0_03/jre/lib/i386/libfontmanager.so
      7b662000-7b666000 rwxp 7b662000 00:00 0
      7b87c000-7b8ab000 r-xp 00000000 08:02 107071 /usr/java/jdk1.5.0_03/jre/lib/i386/libjpeg.so
      7b8ab000-7b8ac000 rwxp 0002e000 08:02 107071 /usr/java/jdk1.5.0_03/jre/lib/i386/libjpeg.so
      bfe00000-bfe03000 ---p bfe00000 00:00 0
      bfe03000-c0000000 rwxp bfe03000 00:00 0
      ffffe000-fffff000 ---p 00000000 00:00 0

      VM Arguments:
      jvm_args: -Xms128m -Xmx512m -XX:PermSize=256m -XX:MaxPermSize=256m -XX:NewRatio=3 -Djava.awt.headless=true -Dprogram.name=run.sh -Djava.endorsed.dirs=/opt/jboss/current/lib/endorsed
      java_command: org.jboss.Main -c proveo_wwt

      Environment Variables:
      JAVA_HOME=/usr/java/jdk1.5.0_03
      JRE_HOME=/usr/lib/jvm/jre
      PATH=/home/proveo/bin:/usr/local/bin:/usr/bin:/usr/X11R6/bin:/bin:/usr/games:/opt/gnome/bin:/opt/kde3/bin:/usr/lib/jvm/jre/bin
      LD_LIBRARY_PATH=/usr/java/jdk1.5.0_03/jre/lib/i386/server:/usr/java/jdk1.5.0_03/jre/lib/i386:/usr/java/jdk1.5.0_03/jre/../lib/i386
      SHELL=/bin/bash
      HOSTTYPE=i386
      OSTYPE=linux
      MACHTYPE=i686-suse-linux


      --------------- S Y S T E M ---------------

      OS:SuSE Linux 9.3 (i586)
      VERSION = 9.3

      uname:Linux 2.6.11.4-21.8-default #1 Tue Jul 19 12:42:37 UTC 2005 i686
      libc:glibc 2.3.4 NPTL 2.3.4
      rlimit: STACK infinity, CORE 0k, NPROC 16255, NOFILE 1024, AS infinity
      load average:0.21 0.11 0.07

      CPU:total 1 family 6, cmov, cx8, fxsr, mmx, sse

      Memory: 4k page, physical 2060276k(50208k free), swap 1025000k(1022304k free)

      vm_info: Java HotSpot(TM) Server VM (1.5.0_03-b07) for linux-x86, built on Apr 13 2005 02:09:32 by java_re with gcc 3.2.1-7a (J2SE release)

        • 1. Re: Java VM Crash
          Peter Johnson Master

          Your command options have me worried: you are allocating a fixed 256MB to the permananent space. This is the area in the heap where class-level (static) data is kept, and is part of the maximum of 512MB of space you are allocating for the heap (thus leaving you with at most 256MB for the young generation and tenured generation). According to the heap analysis printed earlier, you are using only 46MB of the permanent space. Thus, you are wasting over 200MB of heap space that is never getting used, and probably never will be used. Addtionally, this is forcing the tenured generation to be set to only 100MB with 30MB left over for the young generation. However, these areas are not full (only 60MB of the tenured generation and 17MB of the young generation is in use), so I don't think that this situation is causing the crash. Howevere, I suggest removing the PermSize and MaxPermSize settings, or at least reducing them to 50MB.

          To read more about these areas of the heap. see http://java.sun.com/docs/hotspot/gc5.0/gc_tuning_5.html

          As far as the crash itself, you should submit a bug report to Sun.