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From David Jencks <david_jen...@yahoo.com>
Subject Re: Geronimo and Grails
Date Fri, 24 Oct 2008 18:21:33 GMT

On Oct 24, 2008, at 11:13 AM, Joe Bohn wrote:

>
> I've been playing around with grails and I encountered this exact  
> same behavior Michael mentioned.  Even with Gianny's recommended  
> hidden classes I received the dom4j InvalidXPathException on the  
> Tomcat Javaee5 assembly.
>
> I was able to get a grails app working on a tomcat javaee5 assembly  
> by adding just one more filter for the jaxen classes.  So, my  
> geroniom-web.xml looks like this:
>
> <?xml version="1.0" encoding="UTF-8"?>
> <web-app xmlns="http://geronimo.apache.org/xml/ns/j2ee/web-1.2">
>    <environment xmlns="http://geronimo.apache.org/xml/ns/deployment-1.2 
> ">
>        <moduleId>
>            <groupId>yourGroupId</groupId>
>            <artifactId>yourArtifactId</artifactId>
>            <version>yourVersion</version>
>            <type>war</type>
>        </moduleId>
>        <hidden-classes>
>            <filter>org.jaxen</filter>
>            <filter>org.springframework</filter>
>            <filter>org.apache.cxf</filter>
>            <filter>org.apache.commons</filter>
>        </hidden-classes>
>    </environment>
>    <context-root>/yourContextPath/</context-root>
> </web-app>
>
> BTW, it is true that you can deploy a grails app into either minimal  
> assembly without any hidden-class filters in the deployment plan.   
> The additional libraries in the javaee5 assemblies make the filters  
> necessary.  Apparently there are some classloader differences  
> between the Jetty and Tomcat assemblies that make the jaxen addition  
> necessary when deploying to a Tomcat Javaee5 server.

It would be nice to figure out what the differences are.  My first  
guess would be myfaces, my second some web services bit.  I think that  
a ModuleBuilderExtension must be adding more dependencies for no good  
reason.  It would be even better to fix this.

thanks
david jencks

>
>
> Joe
>
>
>
> michaelg wrote:
>> I am writing an article for IBM developerWorks on using Grails and  
>> Geronimo
>> together. However, I am unable to deploy a Grails WAR to Geronimo.  
>> I first tried it with Geronimo 2.1.1 with Jetty. The error I got  
>> was a
>> NoClassDefFound for org.apache.commons.fileupload.FileItemFactory.  
>> This
>> class is the Geronimo repository, and is also included with the  
>> Grails war.
>> It's the same version for both. Next I tried it with Geronimo 2.1.1  
>> with Tomcat. This time I got a dom4j
>> InvalidXPathException. Next I tried the Little G distribution. It  
>> worked perfectly. I had also
>> tried standalone Tomcat with success as well, so I guess this  
>> should not
>> have been too surprising.
>> Obviously I have to point a finger at Grails or Geronimo, and since  
>> it works
>> fine on Tomcat or Little G, I am pointing the finger at Geronimo. The
>> Geronimo/Jetty error sure smelled like a class loader problem, but  
>> I have no
>> clue on the Geronimo/Tomcat. Note, in all cases I included a Geronimo
>> deployment plan inside the WAR (/WEB-INF/geronimo-web.xml) Any  
>> ideas/advice is greatly appreciated.
>


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