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Could not reserve enough space for object heap while stopping and starting tomcat

 
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Hi Experts,

i am using the tomcat 6.0.20.
when i am trying to stop the service by shutdown.sh, it is throwing error as -

sabad19151$ ./shutdown.sh
-d64 -server -Xms5000m -Xmx5000m -XX:PermSize=1024m -XX:MaxPermSize=1024m
:/export/home/tomcat/apache-tomcat-6.0.20/lib:/export/home/tomcat/apache-tomcat-6.0.20/:/export/home/tomcat/apr/lib:/export/home/tomcat/openssl/lib:
Using CATALINA_BASE: /export/home/tomcat/apache-tomcat-6.0.20
Using CATALINA_HOME: /export/home/tomcat/apache-tomcat-6.0.20
Using CATALINA_TMPDIR: /export/home/tomcat/apache-tomcat-6.0.20/temp
Using JRE_HOME: /usr/jdk1.6.0_16
Error occurred during initialization of VM
Could not reserve enough space for object heap
-d64 -server -Xms5000m -Xmx5000m -XX:PermSize=1024m -XX:MaxPermSize=1024m -Djava.util.logging.manager=org.apache.juli.ClassLoaderLogManager


then i have chnaged the parameter in catalina.sh as
-Xms7000m -Xmx7000m -XX:PermSize=2048m -XX:MaxPermSize=2048m

but again i am getting the same error.
-d64 -server -Xms7000m -Xmx7000m -XX:PermSize=2048m -XX:MaxPermSize=2048m
:/export/home/tomcat/apache-tomcat-6.0.20/lib:/export/home/tomcat/apache-tomcat-6.0.20/:/export/home/tomcat/apr/lib:/export/home/tomcat/openssl/lib:
Using CATALINA_BASE: /export/home/tomcat/apache-tomcat-6.0.20
Using CATALINA_HOME: /export/home/tomcat/apache-tomcat-6.0.20
Using CATALINA_TMPDIR: /export/home/tomcat/apache-tomcat-6.0.20/temp
Using JRE_HOME: /usr/jdk1.6.0_16
Error occurred during initialization of VM
Could not reserve enough space for object heap
-d64 -server -Xms7000m -Xmx7000m -XX:PermSize=2048m -XX:MaxPermSize=2048m -Djava.util.logging.manager=org.apache.juli.ClassLoaderLogManager


i also checked the JVM memory in tomcat manager -
Free memory: 5415.46 MB Total memory: 6712.00 MB Max memory: 6712.00 MB

kindly guide me how to fix this error.

server OS - SunOS sabad19151 5.10 Generic_148888-01 sun4v sparc sun4v

Thanks,
Tom
 
Tom Cook
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Hi Experts,

Just to add on this issue, i have this setting in catalina.sh -

#CATALINA_OPTS="-server -Xms7000m -Xmx7000m"
JAVA_OPTS="$JAVA_OPTS -d64 -server -Xms7000m -Xmx7000m -XX:PermSize=2048m -XX:MaxPermSize=2048m"

so i am not able to stop the tomcat, but we i am changing it to

CATALINA_OPTS="-server -Xms7000m -Xmx7000m"
#JAVA_OPTS="$JAVA_OPTS -d64 -server -Xms7000m -Xmx7000m -XX:PermSize=2048m -XX:MaxPermSize=2048m"

i am able to stop the tomcat but i am not able to start it with the 2nd setting.
for start setting 1 is working, for stop setting 2 is working.

i checked the difference between CATALINA_OPTS and JAVA_OPTS, but not able to connect to my issue.
please help me understand this and how to fix the issue.

Thanks,
Tom
 
Tom Cook
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Hi Experts,

please help for this issue.

Thanks,
Tom
 
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