Hobione's Weblog

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JSF – Richfaces (java.lang.NoClassDefFoundError)

I was getting an error like this even though I had my commons-collections.jar in the class path

java.lang.NoClassDefFoundError: org/apache/commons/collections/map/AbstractHashedMap

Solution: I had to download the new version of the jar file to make it work commons-collections-3.2.jar from apache commons.

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December 18, 2007 Posted by | Java Server Faces, Jboss RichFaces (Ajax4JSF) | 1 Comment