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From (David M. Karr)
Subject Problems with exercise-taglib, link tag, or modules?
Date Wed, 23 Jul 2003 06:01:23 GMT
I've been working on some minor updates to Struts-EL, to match recent changes
to the base tag library, so I've been running through some tests.  I'm using
WebLogic 8.1 for these tests.

I first noticed that the strutsel-exercise-taglib application dies with the
following stack trace:

        at org.apache.struts.util.RequestUtils.pageURL(
        at org.apache.struts.util.RequestUtils.computeURL(
        at org.apache.struts.util.RequestUtils.computeURL(
        at org.apache.struts.taglib.html.LinkTag.calculateURL(
        at org.apache.struts.taglib.html.LinkTag.doStartTag(
        at org.apache.strutsel.taglib.html.ELLinkTag.doStartTag(

Line 1591 is the following (after I added a couple of debugging lines):

        String pagePattern = moduleConfig.getControllerConfig().getPagePattern();

I found that "moduleConfig" is null here, but I don't know why.

Before I submit a bug for this, does anyone have an idea what might be
happening here?

In addition, I also found a problem in the base "struts-exercise-taglib".  The
link for the "html:link" page dies with the following stack trace:

javax.servlet.jsp.JspException: Cannot find ActionMappings or ActionFormBeans collection
        at org.apache.struts.taglib.html.FormTag.lookup(
        at org.apache.struts.taglib.html.FormTag.doStartTag(
        at jsp_servlet.__html_45_link._jspService(
        at weblogic.servlet.jsp.JspBase.service(
        at weblogic.servlet.internal.ServletStubImpl$
        at weblogic.servlet.internal.ServletStubImpl.invokeServlet(
        at weblogic.servlet.internal.ServletStubImpl.invokeServlet(
        at weblogic.servlet.internal.WebAppServletContext$
        at weblogic.servlet.internal.WebAppServletContext.invokeServlet(
        at weblogic.servlet.internal.ServletRequestImpl.execute(
        at weblogic.kernel.ExecuteThread.execute(

I hope this isn't something that only happens in WebLogic.

David M. Karr          ; Java/J2EE/XML/Unix/C++   ; SCJP; SCWCD

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