I'm using Eclipse IDE on RHEL. I am trying to determine if the problem is from the jvm, birt, gwt or my code. I started eclipse with a bigger perm gen space but still got the error. I am able to make an rpc call, return from it and then display the report, but once i try to run a 2nd report, the rpc calls again and this is where it fails. Here is the error: [WARN] A new version of GWT (2.2.0) is available For additional info see: file:/tmp/gwt-update-2.2.0.html Done generating report. The response was successful Starting Jetty on port 8888 [ERROR] Exception while dispatching incoming RPC call com.google.gwt.user.server.rpc.UnexpectedException: Service method 'public abstract java.lang.String com.birt.rpc.gwt.client.ReportGenerationService.executeReport(java.lang.String,java.util.ArrayList,java.util.ArrayList)' threw an unexpected exception: java.lang.OutOfMemoryError: PermGen space [ERROR] Error for /rpcsamplebirt/report java.lang.OutOfMemoryError: PermGen space [ERROR] EXCEPTION java.lang.OutOfMemoryError: PermGen space [ERROR] Out of memory; to increase the amount of memory, use the - Xmx flag at startup (java -Xmx128M ...) com.google.gwt.user.client.rpc.StatusCodeException: 500 Exception in thread "State Saver" java.lang.OutOfMemoryError: PermGen space
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