Failed to load or instantiate TagLibraryValidator class: org.apache.taglibs.standard.tlv.JstlCoreTLV

Question

So I was working with JSTL in OSGi, under Gemini runtime. And I\'m getting following exception, when I try to access the url to my servlet: -

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Answer 1

This is just a shot in the dark. Not sure if you came upon below links.

The error message you posted "Failed to load or instantiate TagLibraryValidator class: org.apache.taglibs.standard.tlv.JstlCoreTLV" seems to be pretty common.

From this link : http://christerblog.wordpress.com/2010/05/04/tag-library-woes-deploying-war-on-tomcat-6/

Do you have any conflicting/incompatible jar libraries in your WAR file ?

Another one here also points to incompatible jars in the build path: Unable to read TLD "META-INF/c.tld"