org.eclipse.birt.report.engine.api.EngineException: Error happened while running the report. at org.eclipse.birt.report.engine.api.impl.EngineTask.handleFatalExceptions(EngineTask.java:2387) at org.eclipse.birt.report.engine.api.impl.RunTask.doRun(RunTask.java:281) at org.eclipse.birt.report.engine.api.impl.RunTask.run(RunTask.java:89) at org.eclipse.birt.report.service.ReportEngineService.runReport(ReportEngineService.java:1325) at org.eclipse.birt.report.service.BirtViewerReportService.runReport(BirtViewerReportService.java:159) at org.eclipse.birt.report.service.actionhandler.BirtRunReportActionHandler.__execute(BirtRunReportActionHandler.java:81) at org.eclipse.birt.report.service.actionhandler.BirtGetPageActionHandler.__checkDocumentExists(BirtGetPageActionHandler.java:58) at org.eclipse.birt.report.service.actionhandler.AbstractGetPageActionHandler.prepareParameters(AbstractGetPageActionHandler.java:118) at org.eclipse.birt.report.service.actionhandler.AbstractGetPageActionHandler.__execute(AbstractGetPageActionHandler.java:103) at org.eclipse.birt.report.service.actionhandler.AbstractBaseActionHandler.execute(AbstractBaseActionHandler.java:90) at org.eclipse.birt.report.soapengine.processor.AbstractBaseDocumentProcessor.__executeAction(AbstractBaseDocumentProcessor.java:47) at org.eclipse.birt.report.soapengine.processor.AbstractBaseComponentProcessor.executeAction(AbstractBaseComponentProcessor.java:143) at org.eclipse.birt.report.soapengine.processor.BirtDocumentProcessor.handleGetPage(BirtDocumentProcessor.java:87) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.eclipse.birt.report.soapengine.processor.AbstractBaseComponentProcessor.process(AbstractBaseComponentProcessor.java:112) at org.eclipse.birt.report.soapengine.endpoint.BirtSoapBindingImpl.getUpdatedObjects(BirtSoapBindingImpl.java:66) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.apache.axis.providers.java.RPCProvider.invokeMethod(RPCProvider.java:397) at org.apache.axis.providers.java.RPCProvider.processMessage(RPCProvider.java:186) at org.apache.axis.providers.java.JavaProvider.invoke(JavaProvider.java:323) at org.apache.axis.strategies.InvocationStrategy.visit(InvocationStrategy.java:32) at org.apache.axis.SimpleChain.doVisiting(SimpleChain.java:118) at org.apache.axis.SimpleChain.invoke(SimpleChain.java:83) at org.apache.axis.handlers.soap.SOAPService.invoke(SOAPService.java:454) at org.apache.axis.server.AxisServer.invoke(AxisServer.java:281) at org.apache.axis.transport.http.AxisServlet.doPost(AxisServlet.java:699) at org.eclipse.birt.report.servlet.BirtSoapMessageDispatcherServlet.doPost(BirtSoapMessageDispatcherServlet.java:265) at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) at org.apache.axis.transport.http.AxisServletBase.service(AxisServletBase.java:327) at javax.servlet.http.HttpServlet.service(HttpServlet.java:790) at org.eclipse.birt.report.servlet.BirtSoapMessageDispatcherServlet.service(BirtSoapMessageDispatcherServlet.java:122) at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:865) at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1655) at org.eclipse.birt.report.filter.ViewerFilter.doFilter(ViewerFilter.java:68) at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1634) at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:533) at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:146) at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:548) at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:132) at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:257) at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1595) at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:255) at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1253) at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:203) at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:473) at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1564) at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:201) at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1155) at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:144) at org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:219) at org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:126) at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:132) at org.eclipse.jetty.server.Server.handle(Server.java:531) at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:352) at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:260) at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:281) at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:102) at org.eclipse.jetty.io.ChannelEndPoint$2.run(ChannelEndPoint.java:118) at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:333) at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:310) at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:168) at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:126) at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:366) at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:760) at org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:678) at java.lang.Thread.run(Unknown Source) Caused by: java.lang.OutOfMemoryError: Java heap space at org.eclipse.datatools.connectivity.oda.consumer.helper.OdaResultSet.getString(OdaResultSet.java:239) at org.eclipse.birt.data.engine.odaconsumer.ResultSet.getString(ResultSet.java:266) at org.eclipse.birt.data.engine.odaconsumer.ResultSet.fetch(ResultSet.java:179) at org.eclipse.birt.data.engine.executor.dscache.DataSetToCache.fetchFromDataSet(DataSetToCache.java:241) at org.eclipse.birt.data.engine.executor.dscache.DataSetToCache.fetch(DataSetToCache.java:171) at org.eclipse.birt.data.engine.executor.cache.OdiAdapter.fetch(OdiAdapter.java:218) at org.eclipse.birt.data.engine.executor.cache.RowResultSet.fetch(RowResultSet.java:145) at org.eclipse.birt.data.engine.executor.cache.RowResultSet.doNext(RowResultSet.java:118) at org.eclipse.birt.data.engine.executor.cache.RowResultSet.next(RowResultSet.java:96) at org.eclipse.birt.data.engine.executor.cache.ExpandableRowResultSet.next(ExpandableRowResultSet.java:63) at org.eclipse.birt.data.engine.executor.cache.SmartCacheHelper.populateData(SmartCacheHelper.java:318) at org.eclipse.birt.data.engine.executor.cache.SmartCacheHelper.initInstance(SmartCacheHelper.java:285) at org.eclipse.birt.data.engine.executor.cache.SmartCacheHelper.getResultSetCache(SmartCacheHelper.java:246) at org.eclipse.birt.data.engine.executor.cache.SmartCache.(SmartCache.java:74) at org.eclipse.birt.data.engine.executor.transform.pass.PassUtil.populateOdiResultSet(PassUtil.java:132) at org.eclipse.birt.data.engine.executor.transform.pass.PassUtil.pass(PassUtil.java:62) at org.eclipse.birt.data.engine.executor.transform.pass.PassManager.doSinglePass(PassManager.java:170) at org.eclipse.birt.data.engine.executor.transform.pass.PassManager.prepareDataSetResultSet(PassManager.java:94) at org.eclipse.birt.data.engine.executor.transform.pass.PassManager.populateDataSetResultSet(PassManager.java:80) at org.eclipse.birt.data.engine.executor.transform.ResultSetPopulator.cacheDataSet(ResultSetPopulator.java:223) at org.eclipse.birt.data.engine.executor.transform.CachedResultSet.(CachedResultSet.java:147) at org.eclipse.birt.data.engine.executor.DataSourceQuery.execute(DataSourceQuery.java:1077) at org.eclipse.birt.data.engine.impl.PreparedOdaDSQuery$OdaDSQueryExecutor.executeOdiQuery(PreparedOdaDSQuery.java:607) at org.eclipse.birt.data.engine.impl.QueryExecutor.execute(QueryExecutor.java:1257) at org.eclipse.birt.data.engine.impl.ServiceForQueryResults.executeQuery(ServiceForQueryResults.java:233) at org.eclipse.birt.data.engine.impl.QueryResults.getResultIterator(QueryResults.java:178) at org.eclipse.birt.report.data.adapter.impl.DataSetIterator.executeQuery(DataSetIterator.java:88) at org.eclipse.birt.report.data.adapter.impl.DataSetIterator.(DataSetIterator.java:125) at org.eclipse.birt.report.data.adapter.impl.DataRequestSessionImpl.populateDimension(DataRequestSessionImpl.java:1517) at org.eclipse.birt.report.data.adapter.impl.DataRequestSessionImpl.populateDimensions(DataRequestSessionImpl.java:1390) at org.eclipse.birt.report.data.adapter.impl.DataRequestSessionImpl.createCube(DataRequestSessionImpl.java:885) at org.eclipse.birt.report.data.adapter.impl.DataRequestSessionImpl.materializeCube(DataRequestSessionImpl.java:795)