java.lang.IncompatibleClassChangeError:

somashaker

<p>Hi I am using BIRT 2.6.0</p><p>I am getting following exception, what could be the reason for this and how can i resolve it.</p><p> </p><p> </p><p>java.lang.IncompatibleClassChangeError: org/eclipse/birt/report/model/metadata/MetaDataDictionary.intializeExtension()V at org.eclipse.birt.report.model.api.impl.DesignEngineImpl.initialize(DesignEngineImpl.java:99) at org.eclipse.birt.report.model.api.impl.DesignEngineImpl.newSessionHandle(DesignEngineImpl.java:147) at org.eclipse.birt.report.model.api.DesignEngine.newSessionHandle(DesignEngine.java:120) at org.eclipse.birt.report.engine.parser.ReportParser.getDesignHandle(ReportParser.java:143) at org.eclipse.birt.report.engine.api.impl.ReportEngineHelper.openReportDesign(ReportEngineHelper.java:255) at org.eclipse.birt.report.engine.api.impl.ReportEngine.openReportDesign(ReportEngine.java:640) at org.eclipse.birt.report.service.ReportEngineService.openReportDesign(ReportEngineService.java:387) at org.eclipse.birt.report.utility.BirtUtility.getRunnableFromDesignFile(BirtUtility.java:607) at org.eclipse.birt.report.context.ViewerAttributeBean.getDesignHandle(ViewerAttributeBean.java:641) at org.eclipse.birt.report.context.ViewerAttributeBean.__init(ViewerAttributeBean.java:224) at org.eclipse.birt.report.context.BaseAttributeBean.init(BaseAttributeBean.java:233) at org.eclipse.birt.report.context.ViewerAttributeBean.(ViewerAttributeBean.java:118) at org.eclipse.birt.report.context.BirtContext.__init(BirtContext.java:44) at org.eclipse.birt.report.context.BaseContext.(BaseContext.java:69) at org.eclipse.birt.report.servlet.BirtEngineServlet.__getContext(BirtEngineServlet.java:76) at org.eclipse.birt.report.servlet.BaseReportEngineServlet.doGet(BaseReportEngineServlet.java:163) at javax.servlet.http.HttpServlet.service(HttpServlet.java:743) at org.apache.axis.transport.http.AxisServletBase.service(AxisServletBase.java:327) at javax.servlet.http.HttpServlet.service(HttpServlet.java:856) at org.eclipse.birt.report.servlet.BaseReportEngineServlet.service(BaseReportEngineServlet.java:116) at com.ibm.ws.webcontainer.servlet.ServletWrapper.service(ServletWrapper.java:966) at com.ibm.ws.webcontainer.servlet.ServletWrapper.service(ServletWrapper.java:907) at com.ibm.ws.webcontainer.filter.WebAppFilterChain.doFilter(WebAppFilterChain.java:145) at com.wamu.common.security.WaMuSecurityFilter.doFilter(WaMuSecurityFilter.java:203) at com.ibm.ws.webcontainer.filter.FilterInstanceWrapper.doFilter(FilterInstanceWrapper.java:190) at com.ibm.ws.webcontainer.filter.WebAppFilterChain.doFilter(WebAppFilterChain.java:130) at com.ibm.ws.webcontainer.filter.WebAppFilterChain._doFilter(WebAppFilterChain.java:87) at com.ibm.ws.webcontainer.filter.WebAppFilterManager.doFilter(WebAppFilterManager.java:701) at com.ibm.ws.webcontainer.filter.WebAppFilterManager.doFilter(WebAppFilterManager.java:646) at com.ibm.ws.webcontainer.servlet.ServletWrapper.handleRequest(ServletWrapper.java:475) at com.ibm.ws.wswebcontainer.servlet.ServletWrapper.handleRequest(ServletWrapper.java:463) at com.ibm.ws.webcontainer.webapp.WebApp.handleRequest(WebApp.java:3129) at com.ibm.ws.webcontainer.webapp.WebGroup.handleRequest(WebGroup.java:238) at com.ibm.ws.webcontainer.WebContainer.handleRequest(WebContainer.java:811) at com.ibm.ws.wswebcontainer.WebContainer.handleRequest(WebContainer.java:1433) at com.ibm.ws.webcontainer.channel.WCChannelLink.ready(WCChannelLink.java:93) at com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.handleDiscrimination(HttpInboundLink.java:465) at com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.handleNewInformation(HttpInboundLink.java:394) at com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.ready(HttpInboundLink.java:274) at com.ibm.ws.tcp.channel.impl.NewConnectionInitialReadCallback.sendToDiscriminators(NewConnectionInitialReadCallback.java:214) at com.ibm.ws.tcp.channel.impl.NewConnectionInitialReadCallback.complete(NewConnectionInitialReadCallback.java:113) at com.ibm.ws.tcp.channel.impl.AioReadCompletionListener.futureCompleted(AioReadCompletionListener.java:152) at com.ibm.io.async.AbstractAsyncFuture.invokeCallback(AbstractAsyncFuture.java:213) at com.ibm.io.async.AbstractAsyncFuture.fireCompletionActions(AbstractAsyncFuture.java:195) at com.ibm.io.async.AsyncFuture.completed(AsyncFuture.java:136) at com.ibm.io.async.ResultHandler.complete(ResultHandler.java:194) at com.ibm.io.async.ResultHandler.runEventProcessingLoop(ResultHandler.java:741) at com.ibm.io.async.ResultHandler$2.run(ResultHandler.java:863) at com.ibm.ws.util.ThreadPool$Worker.run(ThreadPool.java:1510)</p>

kclark

<p>Can you describe your report and post your design?</p>