siranjeevi krishnan wrote:
Hi All
I am using Tomcat 6.0.18. It's running fine for past two months.
Suddenly it stops and i couldn't find any errors.
It would probably help if you mentioned on which platform this happens,
and if it is a Windows system, if Tomcat is running as a Service or
otherwise.
The messages i got in catalina .log are
Mar 16, 2010 5:48:00 PM org.apache.catalina.core.StandardService stop
INFO: Stopping service Catalina
Mar 16, 2010 5:48:00 PM org.apache.catalina.core.ApplicationContext log
INFO: Closing Spring root WebApplicationContext
Mar 16, 2010 5:48:02 PM org.apache.catalina.core.StandardWrapper unload
INFO: Waiting for 1 instance(s) to be deallocated
Mar 16, 2010 5:48:03 PM org.apache.catalina.core.StandardWrapper unload
INFO: Waiting for 1 instance(s) to be deallocated
Mar 16, 2010 5:48:04 PM org.apache.catalina.core.ApplicationContext log
INFO: Closing Spring root WebApplicationContext
That looks like a nice orderly shutdown.
This is the second time i am facing this issue. There is no out of
memory errors.
Nobody can access my box and there is no way for explicit shutdown.
In what scenarios , tomcat will stop gracefully without any errors.
As far as I know, only when it is told, gracefully, to stop.
With an OOM or any other error, you would either not have any messages,
or a lot of ugly ones.
But if it was running under Windows as a Service for instance, a "net
stop Tomcat6" would be one way.
In that same case, a network sysadmin could also do this remotely.
Any local process connecting to port 8005 and writing the string
"SHUTDOWN" to it would also do that.
A web application running within Tomcat and doing a "system.exit()"
/may/ also do that, though I don't know if then you would have a nice
orderly shutdown as per above.
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