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managing two datas in one report

sjpondiong

Good Day! 
 
I created a report in BIRT using a script data source and data set... 
What I am trying to do is display an array of data inside a bean. 
 
On my Java class I have a query that returns an object like this : 
<pre class='_prettyXprint _lang-auto _linenums:0'>
public class EmployeeRecord {

private int employeeId;
private ProjectHistory[] prjHistory;

}
</pre>
 
now, on my 'open' function in the report, I placed it like this: 
<pre class='_prettyXprint _lang-auto _linenums:0'>
count = 0;

dbo = new Packages.com.mycompany.dbo.EmployeeRecordDBO;

empRecord = null;
projectHistory = null;

empRecord = dbo.getEmployeeRecord(params["employeeId"]);

projectHistory = empRecord.getPrjHistory();
</pre>
 
then in my 'fetch' routine, I did something like this: 
<pre class='_prettyXprint _lang-auto _linenums:0'>
if (count < projectHistory.size()) {
row["PROJECT_NAME"] = projectHistory.get(count).getProjectName();
...
...
...

count++;
return true;
}

return false;
</pre>
 
 
However, when I run the report, I get an error like this: 
<pre class='_prettyXprint _lang-auto _linenums:0'>
org.eclipse.birt.report.engine.script.internal.DtEScriptExecutor handleJS
WARNING: A BIRT exception occurred: Error evaluating Javascript expression. Script engine error: Java class "[Lcom.mycompany.beans.EmployeeRecordBean;" has no public instance field or method named "size". (#11)
Script source: , line: 0, text:
__bm_FETCH(). See next exception for more information.
Error evaluating Javascript expression. Script engine error: Java class "[Lcom.mycompany.beans.EmployeeRecordBean;" has no public instance field or method named "size". (#11)
Script source: , line: 0, text:
__bm_FETCH()
org.eclipse.birt.data.engine.core.DataException: A BIRT exception occurred: Error evaluating Javascript expression. Script engine error: Java class "[Lcom.mycompany.beans.EmployeeRecordBean;" has no public instance field or method named "size". (#11)
Script source: , line: 0, text:
__bm_FETCH(). See next exception for more information.
Error evaluating Javascript expression. Script engine error: Java class "[Lcom.mycompany.beans.EmployeeRecordBean;" has no public instance field or method named "size". (#11)
Script source: , line: 0, text:
__bm_FETCH()
at org.eclipse.birt.data.engine.core.DataException.wrap(DataException.java:118)
at org.eclipse.birt.data.engine.script.ScriptEvalUtil.evaluateJSAsExpr(ScriptEvalUtil.java:741)
at org.eclipse.birt.data.engine.script.JSMethodRunner.runScript(JSMethodRunner.java:76)
at org.eclipse.birt.report.engine.script.internal.DtEScriptExecutor.handleJS(DtEScriptExecutor.java:90)
at org.eclipse.birt.report.engine.script.internal.DataSetScriptExecutor.handleJS(DataSetScriptExecutor.java:219)
at org.eclipse.birt.report.engine.script.internal.ScriptDataSetScriptExecutor.handleFetch(ScriptDataSetScriptExecutor.java:130)
at org.eclipse.birt.data.engine.impl.ScriptDataSetRuntime.fetch(ScriptDataSetRuntime.java:103)
at org.eclipse.birt.data.engine.impl.PreparedScriptDSQuery$ScriptDSQueryExecutor$CustomDataSet.fetch(PreparedScriptDSQuery.java:257)
at org.eclipse.birt.data.engine.executor.dscache.DataSetResultCache.fetchFromDataSet(DataSetResultCache.java:301)
at org.eclipse.birt.data.engine.executor.dscache.DataSetResultCache.cacheDataSet(DataSetResultCache.java:253)
at org.eclipse.birt.data.engine.executor.dscache.DataSetResultCache.fetchFromCache(DataSetResultCache.java:233)
at org.eclipse.birt.data.engine.executor.dscache.DataSetResultCache.fetch(DataSetResultCache.java:215)
at org.eclipse.birt.data.engine.executor.cache.OdiAdapter.fetch(OdiAdapter.java:146)
at org.eclipse.birt.data.engine.executor.cache.RowResultSet.next(RowResultSet.java:104)
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:308)
at org.eclipse.birt.data.engine.executor.cache.SmartCacheHelper.initInstance(SmartCacheHelper.java:280)
at org.eclipse.birt.data.engine.executor.cache.SmartCacheHelper.getResultSetCache(SmartCacheHelper.java:241)
at org.eclipse.birt.data.engine.executor.cache.SmartCache.<init>(SmartCache.java:69)
at org.eclipse.birt.data.engine.executor.transform.pass.PassUtil.populateOdiResultSet(PassUtil.java:131)
at org.eclipse.birt.data.engine.executor.transform.pass.PassUtil.pass(PassUtil.java:61)
at org.eclipse.birt.data.engine.executor.transform.pass.PassManager.doSinglePass(PassManager.java:181)
at org.eclipse.birt.data.engine.executor.transform.pass.PassManager.pass(PassManager.java:91)
at org.eclipse.birt.data.engine.executor.transform.pass.PassManager.populateResultSet(PassManager.java:72)
at org.eclipse.birt.data.engine.executor.transform.ResultSetPopulator.populateResultSet(ResultSetPopulator.java:196)
at org.eclipse.birt.data.engine.executor.transform.CachedResultSet.<init>(CachedResultSet.java:134)
at org.eclipse.birt.data.engine.executor.CandidateQuery.execute(CandidateQuery.java:111)
at org.eclipse.birt.data.engine.impl.PreparedScriptDSQuery$ScriptDSQueryExecutor.executeOdiQuery(PreparedScriptDSQuery.java:223)
at org.eclipse.birt.data.engine.impl.QueryExecutor.execute(QueryExecutor.java:1033)
at org.eclipse.birt.data.engine.impl.ServiceForQueryResults.executeQuery(ServiceForQueryResults.java:232)
at org.eclipse.birt.data.engine.impl.QueryResults.getResultIterator(QueryResults.java:158)
at org.eclipse.birt.report.engine.data.dte.QueryResultSet.<init>(QueryResultSet.java:98)
at org.eclipse.birt.report.engine.data.dte.DteDataEngine.doExecuteQuery(DteDataEngine.java:155)
at org.eclipse.birt.report.engine.data.dte.AbstractDataEngine.execute(AbstractDataEngine.java:254)
at org.eclipse.birt.report.engine.executor.ExecutionContext.executeQuery(ExecutionContext.java:1818)
at org.eclipse.birt.report.engine.executor.QueryItemExecutor.executeQuery(QueryItemExecutor.java:80)
at org.eclipse.birt.report.engine.executor.DataItemExecutor.execute(DataItemExecutor.java:75)
at org.eclipse.birt.report.engine.executor.ReportExecutorUtil.executeAll(ReportExecutorUtil.java:87)
at org.eclipse.birt.report.engine.executor.ReportExecutorUtil.executeAll(ReportExecutorUtil.java:92)
at org.eclipse.birt.report.engine.executor.ReportExecutorUtil.executeAll(ReportExecutorUtil.java:92)
at org.eclipse.birt.report.engine.executor.ReportExecutorUtil.executeAll(ReportExecutorUtil.java:92)
at org.eclipse.birt.report.engine.executor.ReportExecutorUtil.executeAll(ReportExecutorUtil.java:92)
at org.eclipse.birt.report.engine.executor.ReportExecutor.createPageExecutor(ReportExecutor.java:251)
at org.eclipse.birt.report.engine.internal.executor.dup.SuppressDuplciateReportExecutor.createPageExecutor(SuppressDuplciateReportExecutor.java:61)
at org.eclipse.birt.report.engine.internal.executor.wrap.WrappedReportExecutor.createPageExecutor(WrappedReportExecutor.java:49)
at org.eclipse.birt.report.engine.executor.ReportExecutorUtil.executeMasterPage(ReportExecutorUtil.java:63)
at org.eclipse.birt.report.engine.layout.html.HTMLPageLM.start(HTMLPageLM.java:145)
at org.eclipse.birt.report.engine.layout.html.HTMLPageLM.layout(HTMLPageLM.java:89)
at org.eclipse.birt.report.engine.layout.html.HTMLReportLayoutEngine.layout(HTMLReportLayoutEngine.java:99)
at org.eclipse.birt.report.engine.api.impl.RunAndRenderTask.doRun(RunAndRenderTask.java:170)
at org.eclipse.birt.report.engine.api.impl.RunAndRenderTask.run(RunAndRenderTask.java:75)
at org.eclipse.birt.report.service.ReportEngineService.runAndRenderReport(ReportEngineService.java:882)
at org.eclipse.birt.report.service.BirtViewerReportService.runAndRenderReport(BirtViewerReportService.java:973)
at org.eclipse.birt.report.service.actionhandler.BirtRunAndRenderActionHandler.__execute(BirtRunAndRenderActionHandler.java:76)
at org.eclipse.birt.report.service.actionhandler.AbstractBaseActionHandler.execute(AbstractBaseActionHandler.java:90)
at org.eclipse.birt.report.presentation.aggregation.layout.EngineFragment.doService(EngineFragment.java:318)
at org.eclipse.birt.report.presentation.aggregation.AbstractBaseFragment.service(AbstractBaseFragment.java:76)
at org.eclipse.birt.report.servlet.BirtEngineServlet.__doGet(BirtEngineServlet.java:120)
at org.eclipse.birt.report.servlet.BaseReportEngineServlet.doGet(BaseReportEngineServlet.java:185)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:627)
at org.apache.axis.transport.http.AxisServletBase.service(AxisServletBase.java:327)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
at org.eclipse.birt.report.servlet.BaseReportEngineServlet.service(BaseReportEngineServlet.java:116)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:269)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)
at org.eclipse.birt.report.filter.ViewerFilter.doFilter(ViewerFilter.java:68)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:215)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:172)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:117)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:108)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:174)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:873)
at org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:665)
at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:528)
at org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:81)
at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:689)
at java.lang.Thread.run(Thread.java:595)
Caused by: org.eclipse.birt.core.exception.CoreException: Error evaluating Javascript expression. Script engine error: Java class "[Lcom.mycompany.beans.EmployeeRecordBean;" has no public instance field or method named "size". (#11)
Script source: , line: 0, text:
__bm_FETCH()
at org.eclipse.birt.core.script.JavascriptEvalUtil.wrapRhinoException(JavascriptEvalUtil.java:299)
at org.eclipse.birt.core.script.JavascriptEvalUtil.evaluateRawScript(JavascriptEvalUtil.java:102)
at org.eclipse.birt.core.script.JavascriptEvalUtil.evaluateScript(JavascriptEvalUtil.java:134)
at org.eclipse.birt.data.engine.script.ScriptEvalUtil.evaluateJSAsExpr(ScriptEvalUtil.java:737)
... 78 more
Caused by: org.mozilla.javascript.EvaluatorException: Java class "[Lcom.mycompany.beans.EmployeeRecordBean;" has no public instance field or method named "size". (#11)
at org.mozilla.javascript.DefaultErrorReporter.runtimeError(DefaultErrorReporter.java:109)
at org.mozilla.javascript.Context.reportRuntimeError(Context.java:922)
at org.mozilla.javascript.Context.reportRuntimeError(Context.java:978)
at org.mozilla.javascript.Context.reportRuntimeError2(Context.java:948)
at org.mozilla.javascript.NativeJavaArray.get(NativeJavaArray.java:98)
at org.mozilla.javascript.ScriptableObject.getProperty(ScriptableObject.java:1575)
at org.mozilla.javascript.ScriptRuntime.getPropFunctionAndThis(ScriptRuntime.java:2166)
at org.mozilla.javascript.optimizer.OptRuntime.callProp0(OptRuntime.java:117)
at org.mozilla.javascript.gen.c14._c1(:11)
at org.mozilla.javascript.gen.c14.call()
at org.mozilla.javascript.optimizer.OptRuntime.callName0(OptRuntime.java:108)
at org.mozilla.javascript.gen.c9._c0(:0)
at org.mozilla.javascript.gen.c9.call()
at org.mozilla.javascript.ContextFactory.doTopCall(ContextFactory.java:401)
at org.mozilla.javascript.ScriptRuntime.doTopCall(ScriptRuntime.java:3003)
at org.mozilla.javascript.gen.c9.call()
at org.mozilla.javascript.gen.c9.exec()
at org.eclipse.birt.core.script.JavascriptEvalUtil.evaluateRawScript(JavascriptEvalUtil.java:95)
... 80 more
Nov 26, 2010 2:50:54 AM org.eclipse.birt.report.engine.script.internal.ScriptExecutor addException
WARNING: data.engine.BadFetchScriptReturnType
org.eclipse.birt.report.engine.api.EngineException: data.engine.BadFetchScriptReturnType
at org.eclipse.birt.report.engine.script.internal.ScriptExecutor.addException(ScriptExecutor.java:158)
at org.eclipse.birt.report.engine.script.internal.ScriptExecutor.addException(ScriptExecutor.java:147)
at org.eclipse.birt.report.engine.script.internal.ScriptDataSetScriptExecutor.handleFetch(ScriptDataSetScriptExecutor.java:150)
at org.eclipse.birt.data.engine.impl.ScriptDataSetRuntime.fetch(ScriptDataSetRuntime.java:103)
at org.eclipse.birt.data.engine.impl.PreparedScriptDSQuery$ScriptDSQueryExecutor$CustomDataSet.fetch(PreparedScriptDSQuery.java:257)
at org.eclipse.birt.data.engine.executor.dscache.DataSetResultCache.fetchFromDataSet(DataSetResultCache.java:301)
at org.eclipse.birt.data.engine.executor.dscache.DataSetResultCache.cacheDataSet(DataSetResultCache.java:253)
at org.eclipse.birt.data.engine.executor.dscache.DataSetResultCache.fetchFromCache(DataSetResultCache.java:233)
at org.eclipse.birt.data.engine.executor.dscache.DataSetResultCache.fetch(DataSetResultCache.java:215)
at org.eclipse.birt.data.engine.executor.cache.OdiAdapter.fetch(OdiAdapter.java:146)
at org.eclipse.birt.data.engine.executor.cache.RowResultSet.next(RowResultSet.java:104)
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:308)
at org.eclipse.birt.data.engine.executor.cache.SmartCacheHelper.initInstance(SmartCacheHelper.java:280)
at org.eclipse.birt.data.engine.executor.cache.SmartCacheHelper.getResultSetCache(SmartCacheHelper.java:241)
at org.eclipse.birt.data.engine.executor.cache.SmartCache.<init>(SmartCache.java:69)
at org.eclipse.birt.data.engine.executor.transform.pass.PassUtil.populateOdiResultSet(PassUtil.java:131)
at org.eclipse.birt.data.engine.executor.transform.pass.PassUtil.pass(PassUtil.java:61)
at org.eclipse.birt.data.engine.executor.transform.pass.PassManager.doSinglePass(PassManager.java:181)
at org.eclipse.birt.data.engine.executor.transform.pass.PassManager.pass(PassManager.java:91)
at org.eclipse.birt.data.engine.executor.transform.pass.PassManager.populateResultSet(PassManager.java:72)
at org.eclipse.birt.data.engine.executor.transform.ResultSetPopulator.populateResultSet(ResultSetPopulator.java:196)
at org.eclipse.birt.data.engine.executor.transform.CachedResultSet.<init>(CachedResultSet.java:134)
at org.eclipse.birt.data.engine.executor.CandidateQuery.execute(CandidateQuery.java:111)
at org.eclipse.birt.data.engine.impl.PreparedScriptDSQuery$ScriptDSQueryExecutor.executeOdiQuery(PreparedScriptDSQuery.java:223)
at org.eclipse.birt.data.engine.impl.QueryExecutor.execute(QueryExecutor.java:1033)
at org.eclipse.birt.data.engine.impl.ServiceForQueryResults.executeQuery(ServiceForQueryResults.java:232)
at org.eclipse.birt.data.engine.impl.QueryResults.getResultIterator(QueryResults.java:158)
at org.eclipse.birt.report.engine.data.dte.QueryResultSet.<init>(QueryResultSet.java:98)
at org.eclipse.birt.report.engine.data.dte.DteDataEngine.doExecuteQuery(DteDataEngine.java:155)
at org.eclipse.birt.report.engine.data.dte.AbstractDataEngine.execute(AbstractDataEngine.java:254)
at org.eclipse.birt.report.engine.executor.ExecutionContext.executeQuery(ExecutionContext.java:1818)
at org.eclipse.birt.report.engine.executor.QueryItemExecutor.executeQuery(QueryItemExecutor.java:80)
at org.eclipse.birt.report.engine.executor.DataItemExecutor.execute(DataItemExecutor.java:75)
at org.eclipse.birt.report.engine.executor.ReportExecutorUtil.executeAll(ReportExecutorUtil.java:87)
at org.eclipse.birt.report.engine.executor.ReportExecutorUtil.executeAll(ReportExecutorUtil.java:92)
at org.eclipse.birt.report.engine.executor.ReportExecutorUtil.executeAll(ReportExecutorUtil.java:92)
at org.eclipse.birt.report.engine.executor.ReportExecutorUtil.executeAll(ReportExecutorUtil.java:92)
at org.eclipse.birt.report.engine.executor.ReportExecutorUtil.executeAll(ReportExecutorUtil.java:92)
at org.eclipse.birt.report.engine.executor.ReportExecutor.createPageExecutor(ReportExecutor.java:251)
at org.eclipse.birt.report.engine.internal.executor.dup.SuppressDuplciateReportExecutor.createPageExecutor(SuppressDuplciateReportExecutor.java:61)
at org.eclipse.birt.report.engine.internal.executor.wrap.WrappedReportExecutor.createPageExecutor(WrappedReportExecutor.java:49)
at org.eclipse.birt.report.engine.executor.ReportExecutorUtil.executeMasterPage(ReportExecutorUtil.java:63)
at org.eclipse.birt.report.engine.layout.html.HTMLPageLM.start(HTMLPageLM.java:145)
at org.eclipse.birt.report.engine.layout.html.HTMLPageLM.layout(HTMLPageLM.java:89)
at org.eclipse.birt.report.engine.layout.html.HTMLReportLayoutEngine.layout(HTMLReportLayoutEngine.java:99)
at org.eclipse.birt.report.engine.api.impl.RunAndRenderTask.doRun(RunAndRenderTask.java:170)
at org.eclipse.birt.report.engine.api.impl.RunAndRenderTask.run(RunAndRenderTask.java:75)
at org.eclipse.birt.report.service.ReportEngineService.runAndRenderReport(ReportEngineService.java:882)
at org.eclipse.birt.report.service.BirtViewerReportService.runAndRenderReport(BirtViewerReportService.java:973)
at org.eclipse.birt.report.service.actionhandler.BirtRunAndRenderActionHandler.__execute(BirtRunAndRenderActionHandler.java:76)
at org.eclipse.birt.report.service.actionhandler.AbstractBaseActionHandler.execute(AbstractBaseActionHandler.java:90)
at org.eclipse.birt.report.presentation.aggregation.layout.EngineFragment.doService(EngineFragment.java:318)
at org.eclipse.birt.report.presentation.aggregation.AbstractBaseFragment.service(AbstractBaseFragment.java:76)
at org.eclipse.birt.report.servlet.BirtEngineServlet.__doGet(BirtEngineServlet.java:120)
at org.eclipse.birt.report.servlet.BaseReportEngineServlet.doGet(BaseReportEngineServlet.java:185)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:627)
at org.apache.axis.transport.http.AxisServletBase.service(AxisServletBase.java:327)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
at org.eclipse.birt.report.servlet.BaseReportEngineServlet.service(BaseReportEngineServlet.java:116)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:269)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)
at org.eclipse.birt.report.filter.ViewerFilter.doFilter(ViewerFilter.java:68)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:215)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:172)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:117)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:108)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:174)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:873)
at org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:665)
at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:528)
at org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:81)
at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:689)
at java.lang.Thread.run(Thread.java:595)
Caused by: org.eclipse.birt.data.engine.core.DataException: data.engine.BadFetchScriptReturnType
at org.eclipse.birt.report.engine.script.internal.ScriptDataSetScriptExecutor.handleFetch(ScriptDataSetScriptExecutor.java:140)
... 74 more
</pre>
 
From what I can understand from the error, should I declare the other object also in my 'open' function? 
 
Please advice.

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Comments

johnw

You declared a Java array, and your treating it like a collection. You need to use array.length, not array.size(), and to get an element is array[count], not array.get(count).

John

sjpondiong

<blockquote class='ipsBlockquote' data-author="'johnw'" data-cid="70777" data-time="1290802275" data-date="26 November 2010 - 01:11 PM">
You declared a Java array, and your treating it like a collection. You need to use array.length, not array.size(), and to get an element is array[count], not array.get(count). 
 
John </blockquote>
 
*slaps myself in the head 
 
Yeah, i think that's the problem... thanks man, its working now...