Tomcat Won't Shutdown

[David Rickard <Da...@techbooks.com>]

System: SunOS 5.9 Generic_117171-13 sun4u sparc SUNW,Sun-Fire-V440
Apache: 2.0.52
Tomcat: 4.1.31
Connector: jk-1.2.6

We installed Apache and Tomcat without error (built Apache from source, 
loaded Tomcat from binary), and configured the connector so that they were 
talking correctly (the /examples/jsp/ site comes up fine);

We experimented with an application that would use a ServletContextListener 
and the Jakarta Commons/Configuration package to load application variables 
t startup; the ServletContextListener by itself worked fine--i.e., it 
loaded hard-coded variables into ServletContext and they could be retrieved 
by JSPs, servlets etc;

The problems started when we added Commons/Configuration to the 
ServletContextListener: the application would not load, and catalina.out 
listed various ClassNotFound errors for needed Jakarta Commons classes 
(from digester, logging etc)--even though the jars are in 
tomcat/commons/lib; so we placed the latest JARs for commons-lang, 
commons-digester, commons-logging in the application WEB-INF/lib directory; 
the application started loading, though the ServletContextListener could 
not find the configuration files--kept spitting out "Exception caught 
opening stream to URL" errors (which is presumably just a file-pathing issue);

Only something has been stepped on, because Tomcat will no longer shut 
down: when we execute shutdown.sh, it throws the following error:
Jan 14, 2005 4:40:43 PM org.apache.commons.digester.Digester startElement
SEVERE: Begin event threw exception
java.lang.ClassNotFoundException: org.apache.catalina.core.StandardServer
[full stack trace is in the attached file]

And catalina.out records the following errors when we try to execute 
startup.sh:
Jan 14, 2005 4:43:03 PM org.apache.coyote.http11.Http11Protocol init
SEVERE: Error initializing endpoint
java.net.BindException: Address already in use:8080

Obviously, port 8080 is already in use because Tomcat hasn't released 
it--because it didn't shutdown as requested; our questions are:
1) What got stepped on in Tomcat to cause this behavior?
2) Is there another way to stop Tomcat (other than system reboot), to see 
if we can get it to restart gracefully?
3) Is there a way to fix Tomcat, short of re-installing it?


--

David Rickard
Software Engineer

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Re: Tomcat Won't Shutdown

[Parsons Technical Services <pa...@earthlink.net>]

Going out on a limb here and don't know how much help I will be.


> our questions are:
> 1) What got stepped on in Tomcat to cause this behavior?

My off the wall speculation is that the duplication of the jar files bit 
you.

> 2) Is there another way to stop Tomcat (other than system reboot), to see
> if we can get it to restart gracefully?

I haven't done any work on SunOS but from the man pages it looks like a
ps -ef -u tomcat
replace tomcat with the user that tomcat is running as. You can omit the -u 
tomcat part and it should list all processes and their user. Look for the 
jvm or jsvc if started with that. If you know what user tomcat is running as 
it should be listed, according to the man pages.
then do a
kill ?????
replace the ???s with the pid listed in the ps results

> 3) Is there a way to fix Tomcat, short of re-installing it?

Try removing the jar files.

Granted this leaves you with a problem but hopefully someone can help you 
with that.

Doug 



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