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Build ID: M20060921-0945 Steps To Reproduce: 1. Create a taskdef using a JAR file (classpath) and set the value of the attribute "resource" to an antlib xml definition within the JAR Example (in my case, I used the ant4eclipse-0.5.0.beta.jar from http://ant4eclipse.sourceforge.net): <path id="path.taskdef.classpath"> <fileset dir="${basedir}/build/lib"> <include name="**/*.jar" /> </fileset> </path> <taskdef resource="net/sf/ant4eclipse/antlib.xml"> <classpath refid="path.taskdef.classpath" /> </taskdef> More information: Running ant from command or from inside Eclipse line works fine. The error occures when trying to open the build file in the AntEditor. Log: !SESSION 2006-12-06 17:55:29.742 ----------------------------------------------- eclipse.buildId=M20060921-0945 java.version=1.5.0_09 java.vendor=Sun Microsystems Inc. BootLoader constants: OS=win32, ARCH=x86, WS=win32, NL=de_DE Command-line arguments: -os win32 -ws win32 -arch x86 !ENTRY org.eclipse.ui 4 0 2006-12-06 17:56:18.489 !MESSAGE Unable to create editor ID org.eclipse.ant.ui.internal.editor.AntEditor: org.apache.xerces.parsers.XML11Configuration !STACK 0 java.lang.ClassCastException: org.apache.xerces.parsers.XML11Configuration at org.apache.xerces.parsers.SAXParser.<init>(Unknown Source) at org.apache.xerces.parsers.SAXParser.<init>(Unknown Source) at org.apache.xerces.jaxp.SAXParserImpl.<init>(Unknown Source) at org.apache.xerces.jaxp.SAXParserFactoryImpl.newSAXParser(Unknown Source) at org.apache.tools.ant.util.JAXPUtils.newSAXParser(JAXPUtils.java:205) at org.apache.tools.ant.util.JAXPUtils.getNamespaceXMLReader(JAXPUtils.java:163) at org.apache.tools.ant.helper.ProjectHelper2.parse(ProjectHelper2.java:193) at org.apache.tools.ant.helper.ProjectHelper2.parseUnknownElement(ProjectHelper2.java:88) at org.apache.tools.ant.taskdefs.Antlib.createAntlib(Antlib.java:75) at org.apache.tools.ant.taskdefs.Definer.loadAntlib(Definer.java:327) at org.apache.tools.ant.taskdefs.Definer.execute(Definer.java:236) at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:275) at org.eclipse.ant.internal.ui.model.AntDefiningTaskNode.configure(AntDefiningTaskNode.java:86) at org.eclipse.ant.internal.ui.model.AntModel.resolveBuildfile(AntModel.java:501) at org.eclipse.ant.internal.ui.model.AntModel.parseDocument(AntModel.java:326) at org.eclipse.ant.internal.ui.model.AntModel.reconcile(AntModel.java:263) at org.eclipse.ant.internal.ui.model.AntModel.getProjectNode(AntModel.java:1383) at org.eclipse.ant.internal.ui.model.AntModel.getProjectNode(AntModel.java:1393) at org.eclipse.ant.internal.ui.editor.text.AntFoldingStructureProvider.updateFoldingRegions(AntFoldingStructureProvider.java:88) at org.eclipse.ant.internal.ui.editor.AntEditor.projectionEnabled(AntEditor.java:1370) at org.eclipse.jface.text.source.projection.ProjectionViewer.fireProjectionEnabled(ProjectionViewer.java:481) at org.eclipse.jface.text.source.projection.ProjectionViewer.enableProjection(ProjectionViewer.java:529) at org.eclipse.jface.text.source.projection.ProjectionViewer.doOperation(ProjectionViewer.java:1429) at org.eclipse.ant.internal.ui.editor.AntEditor$StatusLineSourceViewer.doOperation(AntEditor.java:302) at org.eclipse.ant.internal.ui.editor.AntEditor.createPartControl(AntEditor.java:1103) at org.eclipse.ui.internal.EditorReference.createPartHelper(EditorReference.java:596) at org.eclipse.ui.internal.EditorReference.createPart(EditorReference.java:372) at org.eclipse.ui.internal.WorkbenchPartReference.getPart(WorkbenchPartReference.java:566) at org.eclipse.ui.internal.PartPane.setVisible(PartPane.java:290) at org.eclipse.ui.internal.presentations.PresentablePart.setVisible(PresentablePart.java:140) at org.eclipse.ui.internal.presentations.util.PresentablePartFolder.select(PresentablePartFolder.java:268) at org.eclipse.ui.internal.presentations.util.LeftToRightTabOrder.select(LeftToRightTabOrder.java:65) at org.eclipse.ui.internal.presentations.util.TabbedStackPresentation.selectPart(TabbedStackPresentation.java:394) at org.eclipse.ui.internal.PartStack.refreshPresentationSelection(PartStack.java:1144) at org.eclipse.ui.internal.PartStack.setSelection(PartStack.java:1097) at org.eclipse.ui.internal.PartStack.showPart(PartStack.java:1311) at org.eclipse.ui.internal.PartStack.add(PartStack.java:455) at org.eclipse.ui.internal.EditorStack.add(EditorStack.java:102) at org.eclipse.ui.internal.PartStack.add(PartStack.java:441) at org.eclipse.ui.internal.EditorStack.add(EditorStack.java:111) at org.eclipse.ui.internal.EditorSashContainer.addEditor(EditorSashContainer.java:60) at org.eclipse.ui.internal.EditorAreaHelper.addToLayout(EditorAreaHelper.java:217) at org.eclipse.ui.internal.EditorAreaHelper.addEditor(EditorAreaHelper.java:207) at org.eclipse.ui.internal.EditorManager.createEditorTab(EditorManager.java:820) at org.eclipse.ui.internal.EditorManager.openEditorFromDescriptor(EditorManager.java:719) at org.eclipse.ui.internal.EditorManager.openEditor(EditorManager.java:680) at org.eclipse.ui.internal.WorkbenchPage.busyOpenEditorBatched(WorkbenchPage.java:2593) at org.eclipse.ui.internal.WorkbenchPage.busyOpenEditor(WorkbenchPage.java:2528) at org.eclipse.ui.internal.WorkbenchPage.access$10(WorkbenchPage.java:2520) at org.eclipse.ui.internal.WorkbenchPage$9.run(WorkbenchPage.java:2505) at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:67) at org.eclipse.ui.internal.WorkbenchPage.openEditor(WorkbenchPage.java:2500) at org.eclipse.ui.internal.WorkbenchPage.openEditor(WorkbenchPage.java:2485) at org.eclipse.ui.ide.IDE.openEditor(IDE.java:388) at org.eclipse.ui.ide.IDE.openEditor(IDE.java:350) at org.eclipse.jdt.internal.ui.javaeditor.EditorUtility.openInEditor(EditorUtility.java:275) at org.eclipse.jdt.internal.ui.javaeditor.EditorUtility.openInEditor(EditorUtility.java:139) at org.eclipse.jdt.internal.ui.actions.OpenActionUtil.open(OpenActionUtil.java:49) at org.eclipse.jdt.ui.actions.OpenAction.run(OpenAction.java:190) at org.eclipse.jdt.ui.actions.OpenAction.run(OpenAction.java:174) at org.eclipse.jdt.ui.actions.SelectionDispatchAction.dispatchRun(SelectionDispatchAction.java:267) at org.eclipse.jdt.ui.actions.SelectionDispatchAction.run(SelectionDispatchAction.java:243) at org.eclipse.jdt.internal.ui.navigator.OpenAndExpand.run(OpenAndExpand.java:50) at org.eclipse.ui.actions.RetargetAction.run(RetargetAction.java:220) at org.eclipse.ui.internal.navigator.CommonNavigatorManager$1.open(CommonNavigatorManager.java:114) at org.eclipse.jface.viewers.StructuredViewer$2.run(StructuredViewer.java:817) at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:37) at org.eclipse.core.runtime.Platform.run(Platform.java:843) at org.eclipse.ui.internal.JFaceUtil$1.run(JFaceUtil.java:44) at org.eclipse.jface.util.SafeRunnable.run(SafeRunnable.java:149) at org.eclipse.jface.viewers.StructuredViewer.fireOpen(StructuredViewer.java:815) at org.eclipse.jface.viewers.StructuredViewer.handleOpen(StructuredViewer.java:1069) at org.eclipse.ui.navigator.CommonViewer.handleOpen(CommonViewer.java:353) at org.eclipse.jface.viewers.StructuredViewer$6.handleOpen(StructuredViewer.java:1168) at org.eclipse.jface.util.OpenStrategy.fireOpenEvent(OpenStrategy.java:249) at org.eclipse.jface.util.OpenStrategy.access$2(OpenStrategy.java:243) at org.eclipse.jface.util.OpenStrategy$1.handleEvent(OpenStrategy.java:283) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:66) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:928) at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:3348) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:2968) at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:1914) at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:1878) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:419) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149) at org.eclipse.ui.internal.ide.IDEApplication.run(IDEApplication.java:95) at org.eclipse.core.internal.runtime.PlatformActivator$1.run(PlatformActivator.java:78) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:92) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:68) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:400) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:177) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.eclipse.core.launcher.Main.invokeFramework(Main.java:336) at org.eclipse.core.launcher.Main.basicRun(Main.java:280) at org.eclipse.core.launcher.Main.run(Main.java:977) at org.eclipse.core.launcher.Main.main(Main.java:952)
Thank you for the bug report. *** This bug has been marked as a duplicate of bug 152793 ***
