Deploying on jboss depends on jboss version and as you did not say which version of jboss you use do not expect any helpful info. We use latest JBoss 7.1.1 without problem.
Steps to deploy on JBoss 7 are here https://community.jboss.org/wiki/ JackrabbitDeploymentInAS6AndAS7 Marek ---------- Původní zpráva ---------- Od: Anton Gavazuk <antongava...@gmail.com> Datum: 11. 2. 2013 Předmět: JCA 2.4.3 on Jboss: java.lang.IncompatibleClassChangeError "Hi dear community, today I've downloaded latest stable jca package (my current is 2.2.4) and got stuck with nice error: 21:57:31,300 WARN [ClassLoaderManager] Unexpected error during load of:org.apache.jackrabbit.core.query.lucene.DescendantSelfAxisQuery$ DescendantSelfAxisWeight: java.lang.IncompatibleClassChangeError: org/apache/jackrabbit/core/query/lucene/DescendantSelfAxisQuery$ DescendantSelfAxisWeight : org/apache/lucene/search/Weight at java.lang.ClassLoader.defineClass1(Native Method) [:1.6.0_37] do you know what might be the issue? The delivered jar has not been made in correct way? Because I didnt make any change to downloaded file... Thanks, Anton"