java.lang.NullPointerException

Hi all,

I schedule a report to run overnight and it yield below error. Please help. Thanks.

Warning/Error:
Error happened while running the report.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:2258)
at org.eclipse.birt.report.engine.api.impl.RunTask.doRun(RunTask.java:276)
at org.eclipse.birt.report.engine.api.impl.RunTask.run(RunTask.java:112)
at com.actuate.reportapi.engine.birt.ReportGenerationTask.runTask(Unknown Source)
at com.actuate.reportapi.engine.birt.ReportGenerationTask.generateReport(Unknown Source)
at com.actuate.reportapi.engine.ReportGenerationTaskBase.doTask(Unknown Source)
at com.actuate.reportapi.engine.Task.execute(Unknown Source)
at com.actuate.reportapi.enginemanager.ThreadPool$ControlRunnable.run(Unknown Source)
at java.lang.Thread.run(Thread.java:662)
Caused by: java.lang.NullPointerException
at org.eclipse.datatools.connectivity.oda.spec.util.QuerySpecificationhelper.getContentAsString(QuerySpecificationhelper.java:305)
at com.actuate.data.oda.jdbc.sqm.driver.impl.SqmQuery.logResultSetSpecContent(SqmQuery.java:619)
at com.actuate.data.oda.jdbc.sqm.driver.impl.SqmQuery.addQuerySpec(SqmQuery.java:157)
at com.actuate.data.oda.jdbc.sqm.driver.impl.SqmQuery.prepare(SqmQuery.java:126)
at org.eclipse.datatools.connectivity.oda.consumer.helper.OdaQuery.doPrepare(OdaQuery.java:229)
at org.eclipse.datatools.connectivity.oda.consumer.helper.OdaQuery.prepare(OdaQuery.java:186)
at org.eclipse.birt.data.engine.odaconsumer.Connection.prepareOdaQuery(Connection.java:290)
at org.eclipse.birt.data.engine.odaconsumer.Connection.prepareStatement(Connection.java:197)
at org.eclipse.birt.data.engine.executor.DataSource.prepareStatement(DataSource.java:302)
at org.eclipse.birt.data.engine.executor.DataSourceQuery.prepare(DataSourceQuery.java:282)
at org.eclipse.birt.data.engine.impl.PreparedOdaDSQuery$OdaDSQueryExecutor.prepareOdiQuery(PreparedOdaDSQuery.java:429)
at org.eclipse.birt.data.engine.impl.QueryExecutor.prepareExecution(QueryExecutor.java:342)
at org.eclipse.birt.data.engine.impl.PreparedQuery.doPrepare(PreparedQuery.java:455)
at org.eclipse.birt.data.engine.impl.PreparedDataSourceQuery.produceQueryResults(PreparedDataSourceQuery.java:190)
at org.eclipse.birt.data.engine.impl.PreparedDataSourceQuery.execute(PreparedDataSourceQuery.java:178)
at org.eclipse.birt.data.engine.impl.PreparedOdaDSQuery.execute(PreparedOdaDSQuery.java:144)
at org.eclipse.birt.report.data.adapter.impl.DataRequestSessionImpl.execute(DataRequestSessionImpl.java:633)
at org.eclipse.birt.report.engine.data.dte.DteDataEngine.doExecuteQuery(DteDataEngine.java:152)
at org.eclipse.birt.report.engine.data.dte.DataGenerationEngine.doExecuteQuery(DataGenerationEngine.java:83)
at org.eclipse.birt.report.engine.data.dte.AbstractDataEngine.execute(AbstractDataEngine.java:267)
at org.eclipse.birt.report.engine.executor.ExecutionContext.executeQuery(ExecutionContext.java:1941)
at org.eclipse.birt.report.engine.executor.QueryItemExecutor.executeQuery(QueryItemExecutor.java:80)
at org.eclipse.birt.report.engine.executor.TableItemExecutor.execute(TableItemExecutor.java:62)
at org.eclipse.birt.report.engine.internal.executor.wrap.WrappedReportItemExecutor.execute(WrappedReportItemExecutor.java:46)
at org.eclipse.birt.report.engine.internal.executor.emitter.ReportItemEmitterExecutor.execute(ReportItemEmitterExecutor.java:46)
at org.eclipse.birt.report.engine.internal.executor.dup.SuppressDuplicateItemExecutor.execute(SuppressDuplicateItemExecutor.java:43)
at org.eclipse.birt.report.engine.internal.executor.wrap.WrappedReportItemExecutor.execute(WrappedReportItemExecutor.java:46)
at org.eclipse.birt.report.engine.internal.executor.l18n.LocalizedReportItemExecutor.execute(LocalizedReportItemExecutor.java:34)
at org.eclipse.birt.report.engine.layout.html.HTMLBlockStackingLM.layoutNodes(HTMLBlockStackingLM.java:65)
at org.eclipse.birt.report.engine.layout.html.HTMLPageLM.layout(HTMLPageLM.java:92)
at org.eclipse.birt.report.engine.layout.html.HTMLReportLayoutEngine.layout(HTMLReportLayoutEngine.java:100)
at org.eclipse.birt.report.engine.presentation.ReportDocumentBuilder.build(ReportDocumentBuilder.java:249)
at org.eclipse.birt.report.engine.api.impl.RunTask.doRun(RunTask.java:268)
... 7 more$$$Result$$$
Report generation failed. Cause: Error happened while running the report.