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Maven WTP Project not respecting [provided] scope [message #729726]

Mon, 26 September 2011 16:49

Eclipse User

I have a large multi-project workspace which builds a web app. I just moved to Eclipse Indigo from Galileo and reinstalled the latest M2E plugin (1.0) and WTP plugin.

Now whenever I try to run this project in Tomcat, the server starts but the app fails and returns the following 500 error (truncated for brevity):

org.apache.jasper.JasperException: /WEB-INF/views/templates/wide.jsp(1,63) Unable to read TLD "META-INF/c.tld" from JAR file "file:/D:/JavaSoftware/workspace/.metadata/.plugins/org.eclipse.wst.server.core/tmp0/wtpwebapps/FirstCallWAR/WEB-INF/lib/standard-1.1.2.jar": org.apache.jasper.JasperException: Failed to load or instantiate TagLibraryValidator class: org.apache.taglibs.standard.tlv.JstlCoreTLV
	org.apache.jasper.compiler.DefaultErrorHandler.jspError(DefaultErrorHandler.java:40)
	org.apache.jasper.compiler.ErrorDispatcher.dispatch(ErrorDispatcher.java:407)
	org.apache.jasper.compiler.ErrorDispatcher.jspError(ErrorDispatcher.java:218)

Poking around on the web, I see that this is sometimes caused by the Servlet and JSP jars being included in the WEB-INF/lib directory of my project, and of course they are there.

Problem: I have these marked as "provided" in my POM.XML file. Why are they still being published?

Re: Maven WTP Project not respecting [provided] scope [message #756293 is a reply to message #729726]

Fri, 11 November 2011 14:37

Eclipse User

In current version of indigo you need to install the m2e-wtp (Maven Integration for WTP) plug-in. That's does the trick for me.
Iam not sure why the m2e plugin from eclipse.org not honour the as provided scoped dependencies?

The m2e-wtp plugin also include some additional features especially for web projects
(.war ressource filtering for example).

You can found more information here:
http://community.jboss.org/en/tools/blog/2011/09/30/m2eclipse-wtp-0140-new-noteworthy
https://github.com/sonatype/m2eclipse-wtp/wiki

Greetings Luca

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