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$ScriptDSQueryExecutor$CustomDataSet.fetch(Pr eparedScriptDSQuery.java:260) at org.eclipse.birt.data.engine.executor.cache.OdiAda pter.fetch(OdiAdapter.java:226) at org.eclipse.birt.data.engine.executor.cache.RowRes ultSet.fetch(RowResultSet.java:145
org.eclipse.birt.data.engine.core.DataException: Data Set script method "Fetch" returned null; expected a Boolean value. org.eclipse.birt.report.engine.api.EngineException
: Data Set script method "Fetch" returned null; expected a Boolean value.
        at org.eclipse.birt.report.engine.script.internal.Scr
iptExecutor.addException(ScriptExecutor.java:249)
        at org.eclipse.birt.report.engine.script.internal.Scr
iptExecutor.addException(ScriptExecutor.java:238)
        at org.eclipse.birt.report.engine.script.internal.Scr
iptDataSetScriptExecutor.handleFetch(ScriptDataSet
ScriptExecutor.java:165)
        at org.eclipse.birt.data.engine.impl.ScriptDataSetRun
time.fetch(ScriptDataSetRuntime.java:103)
        at org.eclipse.birt.data.engine.impl.PreparedScriptDS
Query$ScriptDSQueryExecutor$CustomDataSet.fetch(Pr
eparedScriptDSQuery.java:260)
        at org.eclipse.birt.data.engine.executor.cache.OdiAda
pter.fetch(OdiAdapter.java:226)
        at org.eclipse.birt.data.engine.executor.cache.RowRes
ultSet.fetch(RowResultSet.java:145)
        at org.eclipse.birt.data.engine.executor.cache.RowRes
ultSet.doNext(RowResultSet.java:118)
        at org.eclipse.birt.data.engine.executor.cache.RowRes
ultSet.next(RowResultSet.java:96)
        at org.eclipse.birt.data.engine.executor.cache.Expand
ableRowResultSet.next(ExpandableRowResultSet.java:
63)
        at org.eclipse.birt.data.engine.executor.cache.SmartC
acheHelper.populateData(SmartCacheHelper.java:318)
        at org.eclipse.birt.data.engine.executor.cache.SmartC
acheHelper.initInstance(SmartCacheHelper.java:285)
        at org.eclipse.birt.data.engine.executor.cache.SmartC
acheHelper.getResultSetCache(SmartCacheHelper.java
:246)
        at org.eclipse.birt.data.engine.executor.cache.SmartC
ache.<init>(SmartCache.java:74)
        at org.eclipse.birt.data.engine.executor.transform.pa
ss.PassUtil.populateOdiResultSet(PassUtil.java:110
)
        at org.eclipse.birt.data.engine.executor.transform.pa
ss.PassUtil.pass(PassUtil.java:62)
        at org.eclipse.birt.data.engine.executor.transform.pa
ss.PassManager.populateResultSetCacheInResultSetPo
pulator(PassManager.java:276)
        at org.eclipse.birt.data.engine.executor.transform.pa
ss.PassManager.populateDataSet(PassManager.java:23
8)
        at org.eclipse.birt.data.engine.executor.transform.pa
ss.PassManager.prepareDataSetResultSet(PassManager
.java:98)
        at org.eclipse.birt.data.engine.executor.transform.pa
ss.PassManager.pass(PassManager.java:134)
        at org.eclipse.birt.data.engine.executor.transform.pa
ss.PassManager.populateResultSet(PassManager.java:
74)
        at org.eclipse.birt.data.engine.executor.transform.Re
sultSetPopulator.populateResultSet(ResultSetPopula
tor.java:218)
        at org.eclipse.birt.data.engine.executor.transform.Ca
chedResultSet.<init>(CachedResultSet.java:200)
        at org.eclipse.birt.data.engine.executor.CandidateQue
ry.execute(CandidateQuery.java:142)
        at org.eclipse.birt.data.engine.impl.PreparedScriptDS
Query$ScriptDSQueryExecutor.executeOdiQuery(Prepar
edScriptDSQuery.java:226)
        at org.eclipse.birt.data.engine.impl.QueryExecutor.ex
ecute(QueryExecutor.java:1237)
        at org.eclipse.birt.data.engine.impl.ServiceForQueryR
esults.executeQuery(ServiceForQueryResults.java:23
3)
        at org.eclipse.birt.data.engine.impl.QueryResults.get
ResultIterator(QueryResults.java:178)
        at org.eclipse.birt.report.engine.data.dte.QueryResul
tSet.<init>(QueryResultSet.java:98)
        at org.eclipse.birt.report.engine.data.dte.DteDataEng
ine.doExecuteQuery(DteDataEngine.java:168)
        at org.eclipse.birt.report.engine.data.dte.DataGenera
tionEngine.doExecuteQuery(DataGenerationEngine.jav
a:83)
        at org.eclipse.birt.report.engine.data.dte.AbstractDa
taEngine.execute(AbstractDataEngine.java:275)
        at org.eclipse.birt.report.engine.executor.ExecutionC
ontext.executeQuery(ExecutionContext.java:1947)
        at org.eclipse.birt.report.engine.executor.QueryItemE
xecutor.executeQuery(QueryItemExecutor.java:80)
        at org.eclipse.birt.report.engine.executor.TableItemE
xecutor.execute(TableItemExecutor.java:62)
        at org.eclipse.birt.report.engine.internal.executor.w
rap.WrappedReportItemExecutor.execute(WrappedRepor
tItemExecutor.java:46)
        at org.eclipse.birt.report.engine.internal.executor.e
mitter.ReportItemEmitterExecutor.execute(ReportIte
mEmitterExecutor.java:46)
        at org.eclipse.birt.report.engine.internal.executor.d
up.SuppressDuplicateItemExecutor.execute(SuppressD
uplicateItemExecutor.java:43)
        at org.eclipse.birt.report.engine.layout.html.HTMLBlo
ckStackingLM.layoutNodes(HTMLBlockStackingLM.java:
65)
        at org.eclipse.birt.report.engine.layout.html.HTMLSta
ckingLM.layoutChildren(HTMLStackingLM.java:26)
        at org.eclipse.birt.report.engine.layout.html.HTMLAbs
tractLM.layout(HTMLAbstractLM.java:140)
        at org.eclipse.birt.report.engine.layout.html.HTMLInl
ineStackingLM.resumeLayout(HTMLInlineStackingLM.ja
va:111)
        at org.eclipse.birt.report.engine.layout.html.HTMLInl
ineStackingLM.layoutNodes(HTMLInlineStackingLM.jav
a:160)
        at org.eclipse.birt.report.engine.layout.html.HTMLSta
ckingLM.layoutChildren(HTMLStackingLM.java:26)
        at org.eclipse.birt.report.engine.layout.html.HTMLAbs
tractLM.layout(HTMLAbstractLM.java:140)
        at org.eclipse.birt.report.engine.layout.html.HTMLBlo
ckStackingLM.layoutNodes(HTMLBlockStackingLM.java:
70)
        at org.eclipse.birt.report.engine.layout.html.HTMLSta
ckingLM.layoutChildren(HTMLStackingLM.java:26)
        at org.eclipse.birt.report.engine.layout.html.HTMLRep
eatHeaderLM.layoutChildren(HTMLRepeatHeaderLM.java
:46)
        at org.eclipse.birt.report.engine.layout.html.HTMLAbs
tractLM.layout(HTMLAbstractLM.java:140)
        at org.eclipse.birt.report.engine.layout.html.HTMLBlo
ckStackingLM.layoutNodes(HTMLBlockStackingLM.java:
70)
        at org.eclipse.birt.report.engine.layout.html.HTMLPag
eLM.layout(HTMLPageLM.java:92)
        at org.eclipse.birt.report.engine.layout.html.HTMLRep
ortLayoutEngine.layout(HTMLReportLayoutEngine.java
:100)
        at org.eclipse.birt.report.engine.presentation.Report
DocumentBuilder.build(ReportDocumentBuilder.java:2
58)	at org.eclipse.birt.report.engine.api.impl.RunTask.doRun(RunTask.java:272)	at org.eclipse.birt.report.engine.api.impl.RunTask.run(RunTask.java:115)	at com.actuate.reportapi.engine.birt.ReportGenerationTask.runTask(ReportGenerationTask.java:1094)	at com.actuate.reportapi.engine.birt.ReportGenerationTask.generateReport(ReportGenerationTask.java:206)	at com.actuate.reportapi.engine.ReportGenerationTaskBase.doTask(ReportGenerationTaskBase.java:157)	at com.actuate.reportapi.engine.Task.execute(Task.java:318)	at com.actuate.reportapi.enginemanager.ThreadPool$ControlRunnable.run(ThreadPool.java:808)	at java.lang.Thread.run(Unknown Source)