Where to put classes ?

[Martin Fekete <fe...@zoznam.sk>]

Hi !
quick question ... where should i put classes which my realm uses  ?
realm is in $catalina_home/server/classes but when i put other classes there tomcat won't start and throws this exception ..

Exception during startup processing
java.lang.reflect.InvocationTargetException: java.lang.NoClassDefFoundError: tem
pest/cocacola/web/xml/Communicator
        at org.apache.catalina.realm.MyRealm.start(MyRealm.java:199)
        at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1108)

        at org.apache.catalina.core.StandardContext.start(StandardContext.java:3
334)
        at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1123)

        at org.apache.catalina.core.StandardHost.start(StandardHost.java:612)
        at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1123)

        at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:307
)
        at org.apache.catalina.core.StandardService.start(StandardService.java:3
88)
        at org.apache.catalina.core.StandardServer.start(StandardServer.java:505
)
        at org.apache.catalina.startup.Catalina.start(Catalina.java:776)
        at org.apache.catalina.startup.Catalina.execute(Catalina.java:681)
        at org.apache.catalina.startup.Catalina.process(Catalina.java:179)
        at java.lang.reflect.Method.invoke(Native Method)
        at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:243)

thank's for help ...

feky

Re: Application variables timeout under Tomcat

["Craig R. McClanahan" <cr...@apache.org>]

On Wed, 5 Dec 2001 julien-martin@wanadoo.fr wrote:

> Date: Wed, 5 Dec 2001 00:14:25 +0100
> From: julien-martin@wanadoo.fr
> Reply-To: Tomcat Users List <to...@jakarta.apache.org>
> To: Tomcat Users List <to...@jakarta.apache.org>
> Subject: Application variables timeout under Tomcat
>
> I am running Tomcat 4.0.1 and I would like to know how long application
> variables are kept in memory.  Do they eventually timeout or are they kept
> in memory until the next server reboot?
> Can anyone help?
> Thanks in advance,
> Julien.
>

The answer depends on what you mean by "application variables".  The only
time Tomcat *ever* removes anything is under the following circumstances:

* Your session times out --> all session attributes are
  removed.  They will be available for garbage collection
  unless your application maintains other references to them.

* Your application is restarted (either because you have reloadable
  set to true or you used the Manager app) --> all classes loaded
  from /WEB-INF/classes and /WEB-INF/lib (and all instances of those
  classes) are thrown away, and your web app is restarted with a new
  class loader.  Note that this does *not* affect classes loaded
  from "common/lib" or "lib".

* Tomcat is shut down --> everything is removed.

Craig McClanahan


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Application variables timeout under Tomcat

[ju...@wanadoo.fr]

I am running Tomcat 4.0.1 and I would like to know how long application
variables are kept in memory.  Do they eventually timeout or are they kept
in memory until the next server reboot?
Can anyone help?
Thanks in advance,
Julien.



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