dev@glassfish.java.net

Re: GlassFish V3 OSGI bundles running inside the Eclipse IDE: javax.servlet conflict

From: Ludovic Champenois <Ludovic.Champenois_at_Sun.COM>
Date: Thu, 28 Aug 2008 14:27:37 -0700

Sahoo wrote:
> Ludo,
>
> Ludovic Champenois wrote:
>> Hi,
>> I am resuming my work on running a full GF V3 Prelude server embedded
>> inside the Eclipse IDE.
>>
>> This IDE already defines a javax.servlet bundle (but it is 2.4
>> version) and it uses it.
>> GF V3 needs servlet 2.5.
>>
>> I can start a V3 Prelude server inside the Eclipse VM as OSGI, but at
>> deployment tine of a web app, I see this error:
>>
>> LifecycleException: java.lang.ClassCastException:
>> org.apache.jasper.servlet.JspServlet cannot be cast to
>> javax.servlet.Servlet
>> at
>> org.apache.catalina.core.StandardContext.loadOnStartup(StandardContext.java:4926)
>>
>> at
>> org.apache.catalina.core.StandardContext.start(StandardContext.java:5313)
>>
>> at com.sun.enterprise.web.WebModule.start(WebModule.java:381)
>>
>>
>> telling me that our V3 runtime might be using the servlet jar from
>> Eclipse and not from V3.
> I still don't understand why that should cause a ClassCastException
> unless Equinox is not detecting an inconsistent class space.
>>
>> Searching for javax.servlet inside all of our pom files, I can see
>> some of the pom files not defining the version number for importing
>> javax.servlet, so these modules would get the jar from eclipse, hence
>> the wrong version...
>>
>> So check your manifest files/ pom files and if you see a import
>> package of javax.servlet without a 2.5 version, it means that the
>> dependency is not correctly defined.
>>
>> I see this in the 3 jmx poms (client common server), servlet.jsp,,
>> jsp.jstl, websecurity, grizzly-optional, and maybe others...
>>
>> There might be other java ee apis dependencies (servlet.http,
>> ...,....,...) which are not correctly defined.
>>
> I am taking care of all the API jars to have proper dependencies. The
> changes have been put back, but rest of the build system is not using
> it. I am in the process of making the necessary changes in the build
> system. That will improve the situation. I will drop you an email once
> I am done.
Thanks,

Any ETA?

Ludo
>
> Thanks,
> Sahoo
>
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