[gme58]

The following items have errors:

Table table1:
+ An exception occurred during processing. Please see the following message for details:
The group expression must not be empty.
exception.error ( 1 time(s) )
detail : org.eclipse.birt.report.engine.api.EngineException: An exception occurred during processing. Please see the following message for details:
The group expression must not be empty.
at org.eclipse.birt.report.engine.executor.ExecutionContext.addException(ExecutionContext.java:1195)
at org.eclipse.birt.report.engine.executor.ExecutionContext.addException(ExecutionContext.java:1174)
at org.eclipse.birt.report.engine.executor.QueryItemExecutor.executeQuery(QueryItemExecutor.java:96)
at org.eclipse.birt.report.engine.executor.TableItemExecutor.execute(TableItemExecutor.java:62)
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:90)
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:180)
at org.eclipse.birt.report.engine.api.impl.RunAndRenderTask.run(RunAndRenderTask.java:77)
at org.eclipse.birt.report.service.ReportEngineService.runAndRenderReport(ReportEngineService.java:920)
at org.eclipse.birt.report.service.BirtViewerReportService.runAndRenderReport(BirtViewerReportService.java:973)
at org.eclipse.birt.report.service.actionhandler.BirtGetPageAllActionHandler.__execute(BirtGetPageAllActionHandler.java:131)
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.handleGetPageAll(BirtDocumentProcessor.java:183)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
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(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
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:727)
at org.apache.axis.transport.http.AxisServletBase.service(AxisServletBase.java:327)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
at org.eclipse.birt.report.servlet.BirtSoapMessageDispatcherServlet.service(BirtSoapMessageDispatcherServlet.java:122)
at org.eclipse.equinox.http.registry.internal.ServletManager$ServletWrapper.service(ServletManager.java:180)
at org.eclipse.equinox.http.servlet.internal.ServletRegistration.service(ServletRegistration.java:61)
at org.eclipse.equinox.http.servlet.internal.ProxyServlet.processAlias(ProxyServlet.java:126)
at org.eclipse.equinox.http.servlet.internal.ProxyServlet.service(ProxyServlet.java:60)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
at org.eclipse.equinox.http.jetty.internal.HttpServerManager$InternalHttpServiceServlet.service(HttpServerManager.java:318)
at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:511)
at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:390)
at org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:182)
at org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:765)
at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152)
at org.mortbay.jetty.Server.handle(Server.java:326)
at org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:542)
at org.mortbay.jetty.HttpConnection$RequestHandler.content(HttpConnection.java:939)
at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:756)
at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:212)
at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:404)
at org.mortbay.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java:409)
at org.mortbay.thread.QueuedThreadPool$PoolThread.run(QueuedThreadPool.java:582)
Caused by: org.eclipse.birt.report.data.adapter.api.AdapterException: An exception occurred during processing. Please see the following message for details:
The group expression must not be empty.
at org.eclipse.birt.report.data.adapter.impl.DataRequestSessionImpl.execute(DataRequestSessionImpl.java:637)
at org.eclipse.birt.report.engine.data.dte.DteDataEngine.doExecuteQuery(DteDataEngine.java:152)
at org.eclipse.birt.report.engine.data.dte.AbstractDataEngine.execute(AbstractDataEngine.java:265)
at org.eclipse.birt.report.engine.executor.ExecutionContext.executeQuery(ExecutionContext.java:1876)
at org.eclipse.birt.report.engine.executor.QueryItemExecutor.executeQuery(QueryItemExecutor.java:80)
… 59 more
Caused by: org.eclipse.birt.data.engine.core.DataException: The group expression must not be empty.
at org.eclipse.birt.data.engine.impl.QueryExecutor.validateGroupExpression(QueryExecutor.java:532)
at org.eclipse.birt.data.engine.impl.QueryExecutor.populateGrouping(QueryExecutor.java:485)
at org.eclipse.birt.data.engine.impl.QueryExecutor.populateOdiQuery(QueryExecutor.java:433)
at org.eclipse.birt.data.engine.impl.PreparedOdaDSQuery$OdaDSQueryExecutor.populateOdiQuery(PreparedOdaDSQuery.java:358)
at org.eclipse.birt.data.engine.impl.QueryExecutor.prepareExecution(QueryExecutor.java:337)
at org.eclipse.birt.data.engine.impl.PreparedQuery.doPrepare(PreparedQuery.java:448)
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:145)
at org.eclipse.birt.report.data.adapter.impl.DataRequestSessionImpl.execute(DataRequestSessionImpl.java:617)
… 63 more

[support-joy]

gme58,

Sorry to hear you are running into issues. Could you elaborate and answer below queries –
1. Open MyEclipse IDE, from menu options click on MyEclipse > Installation Summary > Installation Details and copy and paste the same here
2. Mention in detail the steps taken by you which resulted in the below issue. I am not able to reproduce this issue. I am able to create a chart in report design
3. Clear your .log file located at [your workspace dir]/.metadata/.log, replicate the issue and attach the file
4. Attach screenshot of the issue to help me get a visual
5. Are there any issue listed in the problems tab? Could you right click on the issue and click on [quick-fix] does that help?

[gme58]

create a report. create a datasource, create a dataset, bind the data, drag the distinct date to the x and drag the sum qty to the y.

*** Date:
Thursday, July 28, 2011 9:05:27 AM EDT

** System properties:
OS=WindowsXP
OS version=5.1.0
Java version=1.6.0_13

*** MyEclipse details:
MyEclipse Blue Edition
Version: 9.0 Blue
Build id: 9.0-Blue-20110318

*** Eclipse details:
MyEclipse Blue Edition

Version: 9.0 Blue
Build id: 9.0-Blue-20110318

Eclipse Platform

Version: 3.6.1.r361_v20100909-9gF78GrkFqw7GrsZnvz0JWNTeb6fue6896L
Build id: M20100909-0800

Eclipse Java Development Tools

Version: 3.6.1.r361_v20100714-0800-7z8XFUSFLFlmgLc5z-Bvrt8-HVkH
Build id: M20100909-0800

Eclipse Plug-in Development Environment

Version: 3.6.1.r361_v20100727-7b7mFL-FET3dhESDgE5_bkJ
Build id: M20100909-0800

Eclipse Graphical Editing Framework GEF

Version: 3.6.1.v20100908-1100-777B181A3Bz-6B663E7974242
Build id: 201009132020

Eclipse RCP

Version: 3.6.1.r361_v20100827-9OArFLdFjY-ThSQXmKvKz0_T
Build id: M20100909-0800

Eclipse startup command=-os
win32
-ws
win32
-arch
x86
-showsplash
-launcher
C:\Program Files\MyEclipse Blue Edition\MyEclipse Blue Edition 9\myeclipse-blue.exe
-name
Myeclipse-blue
–launcher.library
C:\Program Files\MyEclipse Blue Edition\MyEclipse Blue Edition 9\../Common/plugins/org.eclipse.equinox.launcher.i18n.win32.win32.x86_3.2.0.v201103301700\eclipse_3215.dll
-startup
C:\Program Files\MyEclipse Blue Edition\MyEclipse Blue Edition 9\../Common/plugins/org.eclipse.equinox.launcher_1.1.0.v20100507.jar
-install
C:\Program Files\MyEclipse Blue Edition\MyEclipse Blue Edition 9
-configuration
C:\Program Files\MyEclipse Blue Edition\MyEclipse Blue Edition 9\configuration
-vm
C:\Program Files\MyEclipse Blue Edition\Common\binary\com.sun.java.jdk.win32.x86_1.6.0.013\jre\bin\client\jvm.dll

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[gme58]

I had to add a group on field in the edit table group

Thanks

[support-joy]

gme58,

Ah I see, you forgot to include group by initially which caused the issue. Good to hear you are all set.

Best.

[Author]

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