[jboss-jira] [JBoss JIRA] Commented: (JBAS-8705) javax.servlet.ServletException: java.lang.NoClassDefFoundError: javax/servlet/jsp/jstl/core/LoopTag

[Stan Silvert (JIRA)]

    [ https://jira.jboss.org/browse/JBAS-8705?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12567617#comment-12567617 ] 

Stan Silvert commented on JBAS-8705:
------------------------------------

It looks like javax.servlet is a filtered package and we don't allow classes to be loaded from WEB-INF/lib if they start with "javax.servlet".  You could comment this out in deployers/jbossweb.deployer/META-INF/war-deployers-jboss-beans.xml.  Then see if it works.

See:

<!-- Allow for war local class loaders: in testing -->
   <bean name="WarClassLoaderDeployer" class="org.jboss.web.tomcat.service.deployers.WarClassLoaderDeployer">
      <property name="relativeOrder">-1</property>
      <property name="filteredPackages">javax.servlet</property>      
</bean>

Another question for Remy.  I wonder what that comment means.



>  javax.servlet.ServletException: java.lang.NoClassDefFoundError: javax/servlet/jsp/jstl/core/LoopTag
> ----------------------------------------------------------------------------------------------------
>
>                 Key: JBAS-8705
>                 URL: https://jira.jboss.org/browse/JBAS-8705
>             Project: JBoss Application Server
>          Issue Type: Bug
>      Security Level: Public(Everyone can see) 
>          Components: ClassLoading
>    Affects Versions: 6.0.0.CR1
>         Environment: Ubuntu 10.10, jboss-6.0.0.CR1, jbossweb-standalone
>            Reporter: David Thompson
>            Assignee: jaikiran pai
>         Attachments: boot.log, server.log
>
>
> Started up jboss 6 CR1 in jbossweb-standalone (after some tweaking--needing jbas-8659-jboss-beans.xml) and got a working server up and running. Deployed a struts 1.3 WAR. Application deploys. When accessing a page with a c:forEach tag in it, the NoClassDefFoundError is thrown. We have jstl-1.1.2.jar within WEB-INF/lib (verified by listing the war libs below).
> WEB-INF/lib/cachetag.jar
> WEB-INF/lib/commons-beanutils-1.8.0.jar
> WEB-INF/lib/commons-chain-1.2.jar
> WEB-INF/lib/commons-digester-1.8.jar
> WEB-INF/lib/commons-validator-1.3.1.jar
> WEB-INF/lib/jakarta-oro.jar
> WEB-INF/lib/jstl-1.1.2.jar
> WEB-INF/lib/standard-1.0.6.jar
> WEB-INF/lib/struts-core-1.3.10.jar
> WEB-INF/lib/struts-el-1.3.10.jar
> WEB-INF/lib/struts-extras-1.3.10.jar
> WEB-INF/lib/struts-taglib-1.3.10.jar
> If I put the jstl-1.1.2.jar in jbossweb-standalon/lib, restart the server and run the application, then the error doesn't happen.

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