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EngineException

dalepraneeth

Normally my reports are running fine in BIRT 3.7.1. 
 
But recently 2 applications are using the same BIRT Engine ... And since then 
 
I am getting this exception ... how to solve this ??? 
 
 
org.eclipse.birt.report.engine.api.EngineException: Error happened while running the report. 
at org.eclipse.birt.report.engine.api.impl.RunAndRenderTask.doRun(RunAndRenderTask.java:196) 
at org.eclipse.birt.report.engine.api.impl.RunAndRenderTask.run(RunAndRenderTask.java:77) 
Caused by: java.lang.NullPointerException 
at org.eclipse.birt.report.engine.data.dte.ReportQueryBuilder$QueryBuilderVisitor.createParamBindings(ReportQueryBuilder.java:1670) at org.eclipse.birt.report.engine.data.dte.ReportQueryBuilder$QueryBuilderVisitor.addParamBinding(ReportQueryBuilder.java:1592) 
at org.eclipse.birt.report.engine.data.dte.ReportQueryBuilder$QueryBuilderVisitor.createQuery(ReportQueryBuilder.java:1420) 
at org.eclipse.birt.report.engine.data.dte.ReportQueryBuilder$QueryBuilderVisitor.visitTableItem(ReportQueryBuilder.java:913) 
at org.eclipse.birt.report.engine.ir.TableItemDesign.accept(TableItemDesign.java:53) 
at org.eclipse.birt.report.engine.data.dte.ReportQueryBuilder.build(ReportQueryBuilder.java:256) 
at org.eclipse.birt.report.engine.data.dte.ReportQueryBuilder.build(ReportQueryBuilder.java:237) 
at org.eclipse.birt.report.engine.data.dte.AbstractDataEngine.prepare(AbstractDataEngine.java:180) 
at org.eclipse.birt.report.engine.executor.ReportExecutor.execute(ReportExecutor.java:122) 
at org.eclipse.birt.report.engine.internal.executor.wrap.WrappedReportExecutor.execute(WrappedReportExecutor.java:60) 
at org.eclipse.birt.report.engine.internal.executor.dup.SuppressDuplciateReportExecutor.execute(SuppressDuplciateReportExecutor.java:42) 
at org.eclipse.birt.report.engine.internal.executor.wrap.WrappedReportExecutor.execute(WrappedReportExecutor.java:60) 
at org.eclipse.birt.report.engine.internal.executor.l18n.LocalizedReportExecutor.execute(LocalizedReportExecutor.java:61) 
at org.eclipse.birt.report.engine.api.impl.RunAndRenderTask.doRun(RunAndRenderTask.java:178)

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Comments

dalepraneeth

SEVERE: can not create the DTE data engine 
org.eclipse.birt.report.data.adapter.api.AdapterException: There is an error in loading the factory of data adapter. at org.eclipse.birt.report.data.adapter.api.DataRequestSession.newSession(DataRequestSession.java:89) 
at org.eclipse.birt.report.data.adapter.api.DataRequestSession.newSession(DataRequestSession.java:64) 
at org.eclipse.birt.report.engine.data.dte.DteDataEngine.<init>(DteDataEngine.java:104) 
at org.eclipse.birt.report.engine.data.DataEngineFactory.createDataEngine(DataEngineFactory.java:100) 
at org.eclipse.birt.report.engine.executor.ExecutionContext.openDataEngine(ExecutionContext.java:882) 
at org.eclipse.birt.report.engine.executor.ExecutionContext.getDataEngine(ExecutionContext.java:899) 
at org.eclipse.birt.report.engine.executor.ReportExecutor.execute(ReportExecutor.java:122) 
at org.eclipse.birt.report.engine.internal.executor.wrap.WrappedReportExecutor.execute(WrappedReportExecutor.java:60) 
at org.eclipse.birt.report.engine.internal.executor.dup.SuppressDuplciateReportExecutor.execute(SuppressDuplciateReportExecutor.java:42) 
at org.eclipse.birt.report.engine.internal.executor.wrap.WrappedReportExecutor.execute(WrappedReportExecutor.java:60) 
at org.eclipse.birt.report.engine.internal.executor.l18n.LocalizedReportExecutor.execute(LocalizedReportExecutor.java:61) 
at org.eclipse.birt.report.engine.api.impl.RunAndRenderTask.doRun(RunAndRenderTask.java:178) 
at org.eclipse.birt.report.engine.api.impl.RunAndRenderTask.run(RunAndRenderTask.java:77)

mwilliams

So, everything worked fine til you added a second app to use the engine?

One of the errors shows a null pointer exception that seems to happen with the runAndRender task. Have you tried running separate tasks?

http://wiki.eclipse.org/Separate_Run_and_Render_(BIRT)_2.1

CBR

What do you mean by 2 applications are using the same birt engine? Do you use the osgi deployment?

dalepraneeth

<blockquote class='ipsBlockquote' data-author="'cbrell'" data-cid="115290" data-time="1363894966" data-date="21 March 2013 - 12:42 PM">
What do you mean by 2 applications are using the same birt engine? Do you use the osgi deployment? </blockquote>
 
I am mean 2 WebModules.

dalepraneeth

I am using WebSphere Application Server. But we haven't configured the classloaders. 
<a class='bbc_url' href='http://wiki.eclipse.org/BirtPOJO_Viewer_WebSphere_Deployment'>http://wiki.eclipse.org/BirtPOJO_Viewer_WebSphere_Deployment</a> 
 
 
Instead RegistryProviderFactory was used before starting the platform : 
 
EngineConfig engConfig= new EngineConfig(); 
RegistryProviderFactory.releaseDefault(); 
Platform.startup(engConfig);