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http://issues.apache.org/bugzilla/show_bug.cgi?id=38855

           Summary: Java VM with Tomcat crashes periodically on RHEL4
           Product: Tomcat 5
           Version: 5.5.9
          Platform: PC
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: P2
         Component: Unknown
        AssignedTo: tomcat-dev@jakarta.apache.org
        ReportedBy: [EMAIL PROTECTED]


Periodicaly (every day or two) Java VM crashes with next message in catalina.out
#
# Java VM: Java HotSpot(TM) Server VM (1.5.0_06-b05 mixed mode)
# Problematic frame:
# j  java.util.TreeSet.add(Ljava/lang/Object;)Z+8
#
# An error report file with more information is saved as hs_err_pid19338.log
#
# If you would like to submit a bug report, please visit:
#   http://java.sun.com/webapps/bugreport/crash.jsp
#

hs_err_pid19338.log contains

#
# An unexpected error has been detected by HotSpot Virtual Machine:
#
#  SIGSEGV (0xb) at pc=0xb2598ad8, pid=19338, tid=2346175408
#
# Java VM: Java HotSpot(TM) Server VM (1.5.0_06-b05 mixed mode)
# Problematic frame:
# j  java.util.TreeSet.add(Ljava/lang/Object;)Z+8
#

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

Current thread (0x8bf481e8):  JavaThread
"JiraQuartzScheduler_QuartzSchedulerThread" [_thread_in_Java, id=19400]

siginfo:si_signo=11, si_errno=0, si_code=2, si_addr=0xb2b1e338

Registers:
EAX=0x8bf481e8, EBX=0xaea831a8, ECX=0x922cc788, EDX=0xb2b1e2c8
ESP=0x8bd7bc2c, EBP=0x8bd7bc58, ESI=0x0000002c, EDI=0xaea851a0
EIP=0xb2598ad8, CR2=0xb2b1e338, EFLAGS=0x00000207

Top of Stack: (sp=0x8bd7bc2c)
0x8bd7bc2c:   b2593d1a 91df2988 8f9601a8 922cc788
0x8bd7bc3c:   8bd7bc3c aedc3d78 8bd7bc64 aedc4950
0x8bd7bc4c:   00000000 aedc3d90 8bd7bc60 8bd7bc8c
0x8bd7bc5c:   b2593993 8f9601a8 9228e7a0 00000001
0x8bd7bc6c:   9228e7f8 8bd7bc68 aeefe54a 8bd7bca8
0x8bd7bc7c:   aef04f18 00000000 aeefe598 8bd7bca0
0x8bd7bc8c:   8bd7bcc8 b2593aeb 00000000 8f9601a8
0x8bd7bc9c:   9228e7f8 8f9ae7c8 921ad168 9226d908

Instructions: (pc=0xb2598ad8)
0xb2598ac8:   04 85 20 15 bf b7 c7 80 08 01 00 00 00 00 00 00
0xb2598ad8:   8b 42 70 85 c0 0f 85 62 00 00 00 8d 44 24 04 52

Stack: [0x8bcfc000,0x8bd7d000),  sp=0x8bd7bc2c,  free space=511k
Native frames: (J=compiled Java code, j=interpreted, Vv=VM code, C=native code)
j  java.util.TreeSet.add(Ljava/lang/Object;)Z+8
j 
org.quartz.simpl.RAMJobStore.releaseAcquiredTrigger(Lorg/quartz/core/SchedulingContext;Lorg/quartz/Trigger;)V+58
j 
com.atlassian.scheduler.OfBizJobStore.releaseAcquiredTrigger(Lorg/quartz/core/SchedulingContext;Lorg/quartz/Trigger;)V+18


---------------  P R O C E S S  ---------------
Java Threads: ( => current thread )
  0x8d3960b0 JavaThread "http-8180-Monitor" [_thread_blocked, id=19448]
  0x8bbeff00 JavaThread "http-8180-Processor25" daemon [_thread_blocked, 
id=19447]
  0x8bbef070 JavaThread "http-8180-Processor24" daemon [_thread_in_native, 
id=19446]
  0x8bbee3f0 JavaThread "http-8180-Processor23" daemon [_thread_blocked, 
id=19445]
  0x8d39a770 JavaThread "http-8180-Processor22" daemon [_thread_blocked, 
id=19444]
  0x8d399ab8 JavaThread "http-8180-Processor21" daemon [_thread_blocked, 
id=19443]
  0x8d398e18 JavaThread "http-8180-Processor20" daemon [_thread_blocked, 
id=19442]
  0x8d33c9a8 JavaThread "http-8180-Processor19" daemon [_thread_blocked, 
id=19441]
  0x8d33be98 JavaThread "http-8180-Processor18" daemon [_thread_blocked, 
id=19440]
  0x8d33b388 JavaThread "http-8180-Processor17" daemon [_thread_blocked, 
id=19439]
  0x8bbd2a80 JavaThread "http-8180-Processor16" daemon [_thread_blocked, 
id=19438]
  0x8bbd20f0 JavaThread "http-8180-Processor15" daemon [_thread_blocked, 
id=19437]
  0x8d32e820 JavaThread "http-8180-Processor14" daemon [_thread_blocked, 
id=19436]
  0x8d32dd20 JavaThread "http-8180-Processor13" daemon [_thread_blocked, 
id=19435]
  0x8bb3ec58 JavaThread "http-8180-Processor12" daemon [_thread_blocked, 
id=19434]
  0x8bb3e130 JavaThread "http-8180-Processor11" daemon [_thread_blocked, 
id=19433]
  0x8bb75b40 JavaThread "http-8180-Processor10" daemon [_thread_blocked, 
id=19432]
  0x8d30e348 JavaThread "http-8180-Processor9" daemon [_thread_blocked, 
id=19431]
  0x8d303fe0 JavaThread "http-8180-Processor8" daemon [_thread_blocked, 
id=19430]
  0x8d301ed8 JavaThread "http-8180-Processor7" daemon [_thread_blocked, 
id=19429]
  0x8d303048 JavaThread "http-8180-Processor6" daemon [_thread_blocked, 
id=19428]
  0x8d319d20 JavaThread "http-8180-Processor5" daemon [_thread_blocked, 
id=19427]
  0x8d301d20 JavaThread "http-8180-Processor4" daemon [_thread_blocked, 
id=19426]
  0x8d31b330 JavaThread "http-8180-Processor3" daemon [_thread_blocked, 
id=19425]
  0x8d304de8 JavaThread "http-8180-Processor2" daemon [_thread_blocked, 
id=19424]
  0x8d33d4b8 JavaThread "http-8180-Processor1" daemon [_thread_blocked, 
id=19423]
  0x8d302128 JavaThread "ContainerBackgroundProcessor[StandardEngine[Catalina]]"
daemon [_thread_blocked, id=19422]
  0x8bf03380 JavaThread "JonasClock" daemon [_thread_blocked, id=19402]

.....

Other Threads:
  0x080ecbf8 VMThread [id=19340]
  0x080ff608 WatcherThread [id=19348]

VM state:not at safepoint (normal execution)

VM Mutex/Monitor currently owned by a thread: None

Heap
 def new generation   total 52416K, used 23135K [0x8e510000, 0x91df0000, 
0x91df0000)
  eden space 46592K,  45% used [0x8e510000, 0x8f9b16c8, 0x91290000)
  from space 5824K,  34% used [0x91290000, 0x914865c0, 0x91840000)
  to   space 5824K,   0% used [0x91840000, 0x91840000, 0x91df0000)
 tenured generation   total 466048K, used 77603K [0x91df0000, 0xae510000,
0xae510000)
   the space 466048K,  16% used [0x91df0000, 0x969b8da8, 0x969b8e00, 0xae510000)
 compacting perm gen  total 30208K, used 30110K [0xae510000, 0xb0290000, 
0xb2510000)
   the space 30208K,  99% used [0xae510000, 0xb02779b8, 0xb0277a00, 0xb0290000)
No shared spaces configured.

Dynamic libraries:
001dd000-001f2000 r-xp 00000000 fd:00 198030     /lib/ld-2.3.4.so
001f2000-001f3000 r-xp 00014000 fd:00 198030     /lib/ld-2.3.4.so
001f3000-001f4000 rwxp 00015000 fd:00 198030     /lib/ld-2.3.4.so
001f6000-00319000 r-xp 00000000 fd:00 198031     /lib/tls/libc-2.3.4.so
00319000-0031a000 r-xp 00123000 fd:00 198031     /lib/tls/libc-2.3.4.so
0031a000-0031d000 rwxp 00124000 fd:00 198031     /lib/tls/libc-2.3.4.so

......

VM Arguments:
jvm_args: -Xms512m -Xmx512m -Djava.awt.headless=true
-Djava.util.logging.manager=org.apache.juli.ClassLoaderLogManager
-Djava.endorsed.dirs=/home/jira/jira_home/common/endorsed
-Dcatalina.base=/home/jira/jira_home -Dcatalina.home=/home/jira/jira_home
-Djava.io.tmpdir=/home/jira/jira_home/temp
java_command: org.apache.catalina.startup.Bootstrap start
Launcher Type: SUN_STANDARD

Environment Variables:
JAVA_HOME=/home/jira/java_home
PATH=/sbin:/usr/sbin:/bin:/usr/bin:/usr/X11R6/bin
LD_LIBRARY_PATH=/home/jira/jdk1.5.0_06/jre/lib/i386/server:/home/jira/jdk1.5.0_06/jre/lib/i386:/home/jira/jdk1.5.0_06/jre/../lib/i386
SHELL=/bin/bash

Signal Handlers:
SIGSEGV: [libjvm.so+0x4fd530], sa_mask[0]=0x7ffbfeff, sa_flags=0x14000004
SIGBUS: [libjvm.so+0x4fd530], sa_mask[0]=0x7ffbfeff, sa_flags=0x14000004
SIGFPE: [libjvm.so+0x422860], sa_mask[0]=0x7ffbfeff, sa_flags=0x14000004
SIGPIPE: [libjvm.so+0x422860], sa_mask[0]=0x7ffbfeff, sa_flags=0x14000004
SIGILL: [libjvm.so+0x422860], sa_mask[0]=0x7ffbfeff, sa_flags=0x14000004
SIGUSR1: SIG_DFL, sa_mask[0]=0x00000000, sa_flags=0x00000000
SIGUSR2: [libjvm.so+0x424bb0], sa_mask[0]=0x00000000, sa_flags=0x14000004
SIGHUP: [libjvm.so+0x4245e0], sa_mask[0]=0x7ffbfeff, sa_flags=0x14000004
SIGINT: SIG_IGN, sa_mask[0]=0x00000000, sa_flags=0x00000000
SIGQUIT: [libjvm.so+0x4245e0], sa_mask[0]=0x7ffbfeff, sa_flags=0x14000004
SIGTERM: [libjvm.so+0x4245e0], sa_mask[0]=0x7ffbfeff, sa_flags=0x14000004


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

OS:White Box Enterprise Linux release 4 (manifestdestiny)

uname:Linux 2.6.9-5.ELsmp #1 SMP Fri Apr 29 12:14:36 CDT 2005 i686
libc:glibc 2.3.4 NPTL 2.3.4
rlimit: STACK 10240k, CORE 0k, NPROC 16384, NOFILE 1024, AS infinity
load average:0.53 0.38 0.35

CPU:total 1 family 15, cmov, cx8, fxsr, mmx, sse, sse2, ht

Memory: 4k page, physical 1034676k(185160k free), swap 524280k(517700k free)
vm_info: Java HotSpot(TM) Server VM (1.5.0_06-b05) for linux-x86, built on Nov
10 2005 10:56:33 by java_re with gcc 3.2.1-7a (J2SE release)

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