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Unexpected error when shutting down tomcat

 
joe black
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When I run shutdown.sh I get the following error below:

[bin]# ./shutdown.sh
Using CATALINA_BASE: /usr/local/tomcat
Using CATALINA_HOME: /usr/local/tomcat
Using CATALINA_TMPDIR: /usr/local/tomcat/temp
Using JRE_HOME: /usr/local/java
Error occurred during initialization of VM
Could not reserve enough space for object heap
#
# An unexpected error has been detected by Java Runtime Environment:
#
# SIGSEGV (0xb) at pc=0xb7ed041a, pid=17825, tid=3085151120
#
# Java VM: Java HotSpot(TM) Server VM (10.0-b22 mixed mode linux-x86)
# Problematic frame:
# C [libc.so.6+0x6b41a] cfree+0x7a
#
# An error report file with more information is saved as:
# /usr/local/apache-tomcat-6.0.16/bin/hs_err_pid17825.log
#
# If you would like to submit a bug report, please visit:
# http://java.sun.com/webapps/bugreport/crash.jsp
#

Below is my system info:


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

OS:Fedora release 7 (Moonshine)

uname:Linux 2.6.9-023stab044.4-smp #1 SMP Thu May 24 17:20:37 MSD 2007 i686
libc:glibc 2.6 NPTL 2.6
rlimit: STACK 10240k, CORE 0k, NPROC 71680, NOFILE 1024, AS infinity
load average:0.01 0.02 0.00

CPU:total 4 (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 8140592k(110360k free), swap 12578884k(9455180k free)

vm_info: Java HotSpot(TM) Server VM (10.0-b22) for linux-x86 JRE (1.6.0_06-b02), built on Mar 25 2008 00:26:44 by "java_re" with gcc 3.2.1-7a (J2SE release)

time: Sat May 10 12:00:37 2008
elapsed time: 0 seconds
[ May 11, 2008: Message edited by: joe black ]
 
joe black
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I got rid of it by adding the following to shutdown.sh:

export JAVA_OPTS="-server -Xms4m -Xmx4m"

Why would I need to set the min/max heap size when shutting down tomcat?
 
Ben Souther
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It may be that the JVM was close to capacity and hit the ceiling in the process of shutting down.
 
It is sorta covered in the JavaRanch Style Guide.
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