Romain Manni-Bucau wrote > Is it on trunk? Hi Romain, I'm pretty new in these things, and not quite sure I understand some details. Maybe its my limited english, but what do you mean by "to be on a trunk"?
Romain Manni-Bucau wrote > Are you sure you didnt put openjpa in your app? I do have "openjpa-asm-shaded-2.2.0.jar" included in app (added to build path). If i remove it from build path, i am getting same error. Romain Manni-Bucau wrote > If not I recall we had an issue with our javaagent, maybe give a try > removing it from catalina.sh This is not the same example, this is new, different project. In this one i am trying to communicate with database, but getting this exception. Could this error be due to some wrong datasource setting? What i have done is, that first I have just created empty database from terminal with command: "create database v7" Then, in eclipse, I have created DB connection from Data Source Explorer giving next parameters: Database: V7DB URL: jdbc:mysql://localhost:3306/v7 Username: root Password: 123 and when I Test Connection it works (Ping Succeeded). -- View this message in context: http://openejb.979440.n4.nabble.com/Getting-exception-java-lang-LinkageError-attempted-duplicate-class-definition-for-name-tp4665401p4665404.html Sent from the OpenEJB User mailing list archive at Nabble.com.