We are facing the below problem at our production enviournment in unpredictable manner
sometimes the server is down in a day or sometimes in a week, below is the exact error
dump, below are the settings for the server.
JDK: jdk1.6.0_21
Server: Tomcat 7.0.2
OS: Red Hat Enterprise Linux Server release 5.5
In catalina.sh the following setting has been done:
JAVA_OPTS="-Xms1024M -Xmx1536M -XX:+HeapDumpOnOutOfMemoryError -XX:+AggressiveOpts
-XX:-DisableExplicitGC -XX:AdaptiveSizeThroughPutPolicy=0
-XX:+UsePSAdaptiveSurvivorSizePolicy
-XX:+UseAdaptiveGenerationSizePolicyAtMinorCollection
-XX:+UseAdaptiveGenerationSizePolicyAtMajorCollection -XX:PermSize=768M
-XX:MaxPermSize=768M -XX:+PrintGCDetails -Xloggc:/tmp/gcLogs.txt"
export CATALINA_OPTS="-Dcom.sun.management.jmxremote.port=22222
-Dcom.sun.management.jmxremote.authenticate=true -Dcom.sun.management.jmxremote.ssl=false
-Dcom.sun.management.jmxremote.password.file=/jakarta-tomcat7/apache-tomcat-7.0.2/conf
/jmxremote.password -Dcom.sun.management.jmxremote.access.file=/jakarta-tomcat7/apache-
tomcat-7.0.2/conf/jmxremote.access"
Error Trace:-
#
# A fatal error has been detected by the Java Runtime Environment:
#
# java.lang.OutOfMemoryError: requested 1958536 bytes for Chunk::new. Out of swap space?
#
# Internal Error (allocation.cpp:215), pid=18658, tid=589781904
# Error: Chunk::new
#
# JRE version: 6.0_21-b06
# Java VM: Java HotSpot(TM) Server VM (17.0-b16 mixed mode linux-x86 )
# 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 (0x23787400): JavaThread "CompilerThread0" daemon [_thread_in_native, id=18668, stack(0x231f5000,0x23276000)]
Stack: [0x231f5000,0x23276000], sp=0x23272e70, free space=1f723276000k
Native frames: (J=compiled Java code, j=interpreted, Vv=VM code, C=native code)
V [libjvm.so+0x6a9262]
V [libjvm.so+0x2b277f]
V [libjvm.so+0x12e03c]
V [libjvm.so+0x12e536]
V [libjvm.so+0x5d67d0]
V [libjvm.so+0x2f809d]
V [libjvm.so+0x4f65a9]
V [libjvm.so+0x27b85f]
V [libjvm.so+0x278043]
V [libjvm.so+0x209767]
V [libjvm.so+0x280f8c]
V [libjvm.so+0x280839]
V [libjvm.so+0x66feb6]
V [libjvm.so+0x66959e]
V [libjvm.so+0x57a89e]
C [libpthread.so.0+0x5832]
Current CompileTask:
C2:3230 ! org.apache.jsp.com.common.press_jsp._jspService(Ljavax/servlet/http/HttpServletRequest;Ljavax/servlet/http/HttpServletResponse;)V (4433 bytes)
--------------- P R O C E S S ---------------
Java Threads: ( => current thread )
0x09a21400 JavaThread "http-8080-exec-904" daemon [_thread_in_native, id=17126, stack(SIGTERM: [libjvm.so+0x57aaf0], sa_mask[0]=0x7ffbfeff, sa_flags=0x10000004
SIGQUIT: [libjvm.so+0x57aaf0], sa_mask[0]=0x7ffbfeff, sa_flags=0x10000004
--------------- S Y S T E M ---------------
OS:Red Hat Enterprise Linux Server release 5.5 (Tikanga)
uname:Linux 2.6.18-194.17.1.el5PAE #1 SMP Mon Sep 20 07:34:07 EDT 2010 i686
libc:glibc 2.5 NPTL 2.5
rlimit: STACK 10240k, CORE 0k, NPROC 114688, NOFILE 1024, AS infinity
load average:0.39 0.54 0.38
CPU:total 2 (2 cores per cpu, 1 threads per core) family 6 model 15 stepping 11, cmov, cx8, fxsr, mmx, sse, sse2, sse3, ssse3
Memory: 4k page, physical 6228576k(225096k free), swap 6974456k(6974352k free)
vm_info: Java HotSpot(TM) Server VM (17.0-b16) for linux-x86 JRE (1.6.0_21-b06), built on Jun 22 2010 01:04:46 by "java_re" with gcc 3.2.1-7a (J2SE release)
time: Fri Dec 10 14:01:06 2010
elapsed time: 79552 seconds
Thanks in advance,
Amit
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