Hi
Sorry for the dely, thx for the prompt reply
I wouldn't investigate this on a production system, anyway. Don't you
have a test environment that you can play with?
We do have Test setup similar in all respects to that of Live
Production system,
Reports on test setup working good and on 100% CPU usage utility,we are
not getting problems
But on the Production Live server, the Http is in wait state process
when the CPU for java reaches 100%
I am in delima between both system's ..... { ^:^ }
Still need to do more Test setup,before i can come back with the Results.
with regards
Karthik
Christopher Schultz wrote:
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Karthik,
karthikn wrote:
| a)shutdown.sh refuses to work and displays ...
|
| Using CATALINA_BASE: /infinet/karthik/TOMCAT5523
| Using CATALINA_HOME: /infinet/karthik/TOMCAT5523
| Using CATALINA_TMPDIR: /infinet/karthik/TOMCAT5523/temp
| Using JRE_HOME: /opt/java6
|
| Error: Exception thrown by the agent : java.rmi.server.ExportException:
| Port already in use: 8999; nested exception is:
| java.net.BindException: Address already in use (errno:226)
| Error occurred during initialization of VM
| java.lang.RuntimeException: Exception thrown by the agent
| at sun.management.Agent.error(Agent.java:303)
| at sun.management.Agent.error(Agent.java:294)
| at sun.management.Agent.startAgent(Agent.java:151)
| at sun.management.Agent.startAgent(Agent.java:239)
Just kill the Tomcat process completely (using the kill -9) and start
fresh. Make sure you can start and stop Tomcat properly before you continue.
| Cause of this I cannot do the JMX / Jconsole monitoring setup for a
| Production Live system,since Down time cannot be more then
| 60 sec.
I wouldn't investigate this on a production system, anyway. Don't you
have a test environment that you can play with?
| Does any body think that the JNI Layer is the Cause of this trouble in
| creating 100% CPU utilization.
Any code can cause your process to run away with 100% of the CPU. Native
versus managed Java code is largely irrelevant, although you won't get a
full thread dump of native code.
- -chris
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