I think this might help you. I was working in GWT project before and I had similar issue. Try the following
1. Windows -> Preferences 2. Java -> Installed JREs 3. Select the JRE and click on Edit 4. Add the follwing in VM arguments -Xmx1024M Please ensure that you have minimum RAM of 2 GB to use 1024MB for your JVM. The following link will give better idea with screen shots http://dinu.blog.com/2010/06/02/out-of-memory/ http://dinu.blog.com/2010/06/02/out-of-memory/ Regards, Dinesh kumar -- View this message in context: http://drools-java-rules-engine.46999.n3.nabble.com/Drools-5-0-1-in-eclipse-having-memory-issue-tp859684p864750.html Sent from the Drools - User mailing list archive at Nabble.com. _______________________________________________ rules-users mailing list rules-users@lists.jboss.org https://lists.jboss.org/mailman/listinfo/rules-users