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java.lang.ClassCircularityError in JBoss EAP 4.3 CP04 log

Solution Verified - Updated 2012-04-10T18:07:04+00:00 -

Issue

Receiving ClassCircularityError exceptions when trying to start up our servers

ERROR [org.jboss.mx.loading.LoadMgr3] Class loading Task Run failed with exception
java.lang.ClassCircularityError: XXXXX

Environment

JBoss Enterprise Application Platform (EAP)
- 4.3 CP04

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