Re: Cannot get a stable environment with openejb and other pre-esiting web applications in Tomcat.

[Quintin Beukes <qu...@skywalk.co.za>]

Hey,

Can you please paste the exact heap error stack traces.

Have you tried increasing your heap size?

Quintin Beukes


On Fri, Oct 30, 2009 at 1:57 PM, adam.granger <ad...@gmail.com>wrote:

>
> Hi guys,
>
> We are relatively new to using openejb and are experiencing the following
> problem(s) (see details below). Can somebody please assist?
>
> Basically we cannot get openejb to live with our existing deployed
> applications. I'm sure there is a simple explanation that we are missing.
> ;-)
>
> SERVER AND VERSION INFORMATION:
> Hardware:     1 x Intel(R) Xeon(R) CPU  @ 3.00GHz 3GB RAM
> Software:      apache-tomcat-5.5.20
>                  java version "1.5.0" Java(TM) 2 Runtime Environment,
> Standard Edition
> (build pxi32dev-
>                  20060511 (SR2)) IBM J9 VM (build 2.3, J2RE 1.5.0 IBM J9
> 2.3
> O/S:            Linux x86-32 j9vmxi3223-20060504 (JIT enabled)
>
> Deployments: Openejb 3.1.1 (installed out of the box using a war file in
> webapps - no further changes)
>                  Approximately 12 other pre-existing war deployments that
> deployed
> and ran successfully
>                  without the introduction of Openejb.
>
> PROBLEM DETAILS
> The following events were experienced and led to our various problems:
>
> - We installed an instance of Tomcat 5.5.20 upgrading from version 5.5.12
> (to support openejb).
>
> - Deployed 12 war files (previously run on 5.5.12) successfully.
> - Deployed the openejb war file and got java heap errors resulting in
> Tomcat
> failing.
> - Undeployed all apps and restarted Tomcat successfully.
>
> - Deployed about 4 apps (randomly) & openejb successfully. Any app
> installed
> after
>   openejb caused java heap errors.
> - Removed all apps and restarted
>
> - Deployed openejb and got following error message when trying to access
> http://servername/openejb: "Access to the specified resource () has been
> forbidden"
> - This was solved by reading the website: "delete the
> webapps/openejb/META-INF/context.xml file and
>   the webapps/openejb.war" as well as "conf/Catalina/localhost/openejb.xml
> "
> - Started and successfully connected to "http://<server>/openejb".
>
> - Randomly started installing the 12 apps, and when reaching 5 or 6 apps ,
> java heap errors caused
>  tomcat to fail.
> - Undeployed openejb and restarted.
> - Successfully deploy all applications.
>
> Thanks,
> Adam and Helena
>
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>
>