When I choose "Row Mapping" from the Edit Dataset dialog box I get this error:

Code:

java.lang.NullPointerException    at org.eclipse.jface.dialogs.DialogMessageArea.updateText(DialogMessageArea.java:174)    at org.eclipse.birt.report.designer.data.ui.property.AbstractPropertyDialog.setMessage(AbstractPropertyDialog.java:857)    at org.eclipse.birt.report.designer.data.ui.dataset.DataSetEditor.updateMessage(DataSetEditor.java:763)    at org.eclipse.datatools.connectivity.oda.design.internal.ui.DataSetWizardPageCore.setMessage(DataSetWizardPageCore.java:121)    at org.eclipse.datatools.connectivity.oda.design.internal.ui.DataSetWizardPageCore.setErrorMessage(DataSetWizardPageCore.java:134)    at org.eclipse.datatools.enablement.oda.xml.ui.wizards.XPathChoosePage.populateXMLTree(XPathChoosePage.java:297)    at org.eclipse.datatools.enablement.oda.xml.ui.wizards.XPathChoosePage.refresh(XPathChoosePage.java:152)    at org.eclipse.datatools.enablement.oda.xml.ui.wizards.XPathChoosePage.refresh(XPathChoosePage.java:144)    at org.eclipse.datatools.connectivity.oda.design.internal.ui.DataSetEditorPageCore.refresh(DataSetEditorPageCore.java:296)    at org.eclipse.birt.report.designer.data.ui.dataset.PropertyPageWrapper.pageActivated(PropertyPageWrapper.java:67)    at org.eclipse.birt.report.designer.data.ui.property.AbstractPropertyDialog.showPage(AbstractPropertyDialog.java:576)    at org.eclipse.birt.report.designer.data.ui.property.AbstractPropertyDialog.showSelectionPage(AbstractPropertyDialog.java:472)    at org.eclipse.birt.report.designer.data.ui.dataset.DataSetEditor.showSelectionPage(DataSetEditor.java:820)    at org.eclipse.birt.report.designer.data.ui.property.AbstractPropertyDialog$2$1.run(AbstractPropertyDialog.java:430)    at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:70)    at org.eclipse.birt.report.designer.data.ui.property.AbstractPropertyDialog$2.selectionChanged(AbstractPropertyDialog.java:425)    at org.eclipse.jface.viewers.Viewer$2.run(Viewer.java:162)    at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:37)    at org.eclipse.core.runtime.Platform.run(Platform.java:880)    at org.eclipse.ui.internal.JFaceUtil$1.run(JFaceUtil.java:48)    at org.eclipse.jface.util.SafeRunnable.run(SafeRunnable.java:175)    at org.eclipse.jface.viewers.Viewer.fireSelectionChanged(Viewer.java:160)    at org.eclipse.jface.viewers.StructuredViewer.updateSelection(StructuredViewer.java:2062)    at org.eclipse.jface.viewers.StructuredViewer.handleSelect(StructuredViewer.java:1138)    at org.eclipse.jface.viewers.StructuredViewer$4.widgetSelected(StructuredViewer.java:1168)    at org.eclipse.jface.util.OpenStrategy.fireSelectionEvent(OpenStrategy.java:227)    at org.eclipse.jface.util.OpenStrategy.access$3(OpenStrategy.java:221)    at org.eclipse.jface.util.OpenStrategy$1.handleEvent(OpenStrategy.java:388)    at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)    at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1003)    at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:3823)    at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3422)    at org.eclipse.jface.window.Window.runEventLoop(Window.java:825)    at org.eclipse.jface.window.Window.open(Window.java:801)    at org.eclipse.birt.report.designer.internal.ui.dialogs.BaseDialog.open(BaseDialog.java:112)    at org.eclipse.birt.report.designer.internal.ui.views.data.providers.DataSetNodeProvider.performEdit(DataSetNodeProvider.java:196)    at org.eclipse.birt.report.designer.internal.ui.views.DefaultNodeProvider.performRequest(DefaultNodeProvider.java:387)    at org.eclipse.birt.report.designer.internal.ui.views.actions.EditAction.doAction(EditAction.java:85)    at org.eclipse.birt.report.designer.internal.ui.views.actions.AbstractElementAction.run(AbstractElementAction.java:66)    at org.eclipse.birt.report.designer.internal.ui.views.RenameListener.doubleClick(RenameListener.java:214)    at org.eclipse.jface.viewers.StructuredViewer$1.run(StructuredViewer.java:799)    at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:37)    at org.eclipse.core.runtime.Platform.run(Platform.java:880)    at org.eclipse.ui.internal.JFaceUtil$1.run(JFaceUtil.java:48)    at org.eclipse.jface.util.SafeRunnable.run(SafeRunnable.java:175)    at org.eclipse.jface.viewers.StructuredViewer.fireDoubleClick(StructuredViewer.java:797)    at org.eclipse.jface.viewers.AbstractTreeViewer.handleDoubleSelect(AbstractTreeViewer.java:1419)    at org.eclipse.jface.viewers.StructuredViewer$4.widgetDefaultSelected(StructuredViewer.java:1173)    at org.eclipse.jface.util.OpenStrategy.fireDefaultSelectionEvent(OpenStrategy.java:237)    at org.eclipse.jface.util.OpenStrategy.access$0(OpenStrategy.java:234)    at org.eclipse.jface.util.OpenStrategy$1.handleEvent(OpenStrategy.java:295)    at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)    at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1003)    at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:3823)    at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3422)    at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:2384)    at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:2348)    at org.eclipse.ui.internal.Workbench.access$4(Workbench.java:2200)    at org.eclipse.ui.internal.Workbench$5.run(Workbench.java:495)    at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:288)    at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:490)    at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149)    at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:113)    at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:193)    at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:110)    at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:79)    at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:386)    at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:179)    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.equinox.launcher.Main.invokeFramework(Main.java:549)    at org.eclipse.equinox.launcher.Main.basicRun(Main.java:504)    at org.eclipse.equinox.launcher.Main.run(Main.java:1236)

What can be done? Is there a patch or am I doing something wrong?

What version of MyEclipse are you working with? Can you go to MyEclipse > Installation Summary > Installation Details and paste the information here for me.

Hi Nipun,
Thanks for looking into my issues; here is the information you requested:

*** Date:
Monday, August 3, 2009 1:54:23 PM CDT

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


*** MyEclipse details:
MyEclipse Enterprise Workbench
Version: 7.5
Build id: 7.5-20090609


*** Eclipse details:
MyEclipse Enterprise Workbench

Version: 7.5
Build id: 7.5-20090609




Eclipse Plug-in Development Environment

Version: 3.4.2.R342_v20090122-7T7U1E9imVKz-A8Vz-p_jRS
Build id: M20080703-0800


Eclipse Platform

Version: 3.4.2.R342_v20090122-9I96EiWElHi8lheoJKJIvhM3JfVsYbRrgVIWL
Build id: M20090211-1700


Eclipse Graphical Editing Framework GEF

Version: 3.4.2.v20090218-1145-67728084A56B4I233613552
Build id: 200809101400


Eclipse RCP

Version: 3.4.200.R342_v20090122-989JESTEbig-SVaL8UJHcYBr4A63
Build id: M20090211-1700


Eclipse Java Development Tools

Version: 3.4.2.r342_v20081217-7o7tEAoEEDWEm5HTrKn-svO4BbDI
Build id: M20090211-1700




Eclipse startup command=-os
win32
-ws
win32
-arch
x86
-showsplash
-launcher
C:\Program Files\Genuitec\MyEclipse 7.1\myeclipse.exe
-name
Myeclipse
--launcher.library
C:\Program Files\Genuitec\MyEclipse 7.1\../Common\plugins\org.eclipse.equinox.launcher.win32.win32.x86_1.0.101.R34x_v20080731\eclipse_1115.dll
-startup
C:\Program Files\Genuitec\MyEclipse 7.1\../Common\plugins\org.eclipse.equinox.launcher_1.0.101.R34x_v20081125.jar
-clean
-configuration
configuration
-vm
C:\Program Files\Genuitec\Common\binary\com.sun.java.jdk.win32.x86_1.6.0.013\jre\bin\client\jvm.dll

mypaldave,
Thank you for bringing this up. I could replicate this at my end. I have filed a PR with the dev team

Thank you Shalini, any idea of when I can expect a fix?

Or is there perhaps a workaround I can do in the meantime?