| Error using ant from eclipse [message #248422] |
Fri, 05 October 2007 14:05  |
Eclipse User |
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Originally posted by: henrik_b.freenet.de
Hi,
I hope this is the right place to get help, if not forgive me.
I'm trying to use the "Run as - Ant Build..." feature for a build.xml of my
project, but eclipse does not find any targets any more - it did last week,
so something must have changed. The build.xml itself seems to be ok,
running ant from the console works.
I'm using eclipse M20060921-0945 (Debian version: 3.2.1-6) on debian. ant
seems to be 1.6.5.
The eclipse error-log throws the following:
java.lang.NoClassDefFoundError: org/apache/tools/ant/launch/AntMain
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClass(ClassLoader.java:620)
at
org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.def ineClass(DefaultClassLoader.java:160)
at
org.eclipse.osgi.baseadaptor.loader.ClasspathManager.defineC lass(ClasspathManager.java:498)
at
org.eclipse.osgi.baseadaptor.loader.ClasspathManager.findCla ssImpl(ClasspathManager.java:468)
at
org.eclipse.osgi.baseadaptor.loader.ClasspathManager.findLoc alClassImpl(ClasspathManager.java:427)
at
org.eclipse.osgi.baseadaptor.loader.ClasspathManager.findLoc alClass(ClasspathManager.java:410)
at
org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.fin dLocalClass(DefaultClassLoader.java:188)
at
org.eclipse.osgi.framework.internal.core.BundleLoader.findLo calClass(BundleLoader.java:334)
at
org.eclipse.osgi.framework.internal.core.BundleLoader.findCl ass(BundleLoader.java:386)
at
org.eclipse.osgi.framework.internal.core.BundleLoader.findCl ass(BundleLoader.java:347)
at
org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.loa dClass(DefaultClassLoader.java:83)
at java.lang.ClassLoader.loadClass(ClassLoader.java:251)
at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:319 )
at org.apache.tools.ant.Project.initProperties(Project.java:308 )
at org.apache.tools.ant.Project.init(Project.java:295)
at
org.eclipse.ant.internal.ui.model.AntModelProject.init(AntMo delProject.java:105)
at
org.eclipse.ant.internal.ui.model.AntModel.initializeProject (AntModel.java:367)
at
org.eclipse.ant.internal.ui.model.AntModel.prepareForFullPar se(AntModel.java:341)
at
org.eclipse.ant.internal.ui.model.AntModel.parseDocument(Ant Model.java:305)
at org.eclipse.ant.internal.ui.model.AntModel.reconcile(AntMode l.java:263)
at
org.eclipse.ant.internal.ui.model.AntModel.getProjectNode(An tModel.java:1383)
at
org.eclipse.ant.internal.ui.model.AntModel.getProjectNode(An tModel.java:1393)
at org.eclipse.ant.internal.ui.AntUtil.getTargets(AntUtil.java: 236)
at
org.eclipse.ant.internal.ui.launchConfigurations.AntTargetsT ab$7.run(AntTargetsTab.java:493)
at
org.eclipse.jface.operation.ModalContext.runInCurrentThread( ModalContext.java:369)
at org.eclipse.jface.operation.ModalContext.run(ModalContext.ja va:313)
at
org.eclipse.jface.window.ApplicationWindow$1.run(Application Window.java:763)
at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator .java:67)
at
org.eclipse.jface.window.ApplicationWindow.run(ApplicationWi ndow.java:760)
at org.eclipse.ui.internal.WorkbenchWindow.run(WorkbenchWindow. java:2283)
at
org.eclipse.ui.internal.progress.ProgressManager$5.run(Progr essManager.java:1130)
at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator .java:67)
at
org.eclipse.ui.internal.progress.ProgressManager.runInUI(Pro gressManager.java:1126)
at
org.eclipse.ant.internal.ui.launchConfigurations.AntTargetsT ab.getTargets(AntTargetsTab.java:510)
at
org.eclipse.ant.internal.ui.launchConfigurations.AntTargetsT ab.initializeFrom(AntTargetsTab.java:619)
at
org.eclipse.debug.ui.AbstractLaunchConfigurationTabGroup.ini tializeFrom(AbstractLaunchConfigurationTabGroup.java:86)
at
org.eclipse.ant.internal.ui.launchConfigurations.AntTabGroup .initializeFrom(AntTabGroup.java:46)
at
org.eclipse.debug.internal.ui.launchConfigurations.LaunchCon figurationTabGroupViewer.displayInstanceTabs(LaunchConfigura tionTabGroupViewer.java:655)
at
org.eclipse.debug.internal.ui.launchConfigurations.LaunchCon figurationTabGroupViewer$6.run(LaunchConfigurationTabGroupVi ewer.java:548)
at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator .java:67)
at
org.eclipse.debug.internal.ui.launchConfigurations.LaunchCon figurationTabGroupViewer.inputChanged(LaunchConfigurationTab GroupViewer.java:565)
at
org.eclipse.debug.internal.ui.launchConfigurations.LaunchCon figurationTabGroupViewer.setInput(LaunchConfigurationTabGrou pViewer.java:529)
at
org.eclipse.debug.internal.ui.launchConfigurations.LaunchCon figurationPropertiesDialog.initializeContent(LaunchConfigura tionPropertiesDialog.java:77)
at
org.eclipse.debug.internal.ui.launchConfigurations.LaunchCon figurationsDialog.createContents(LaunchConfigurationsDialog. java:434)
at org.eclipse.jface.window.Window.create(Window.java:426)
at org.eclipse.jface.dialogs.Dialog.create(Dialog.java:1124)
at
org.eclipse.debug.internal.ui.launchConfigurations.LaunchCon figurationsDialog.create(LaunchConfigurationsDialog.java:363 )
at org.eclipse.jface.window.Window.open(Window.java:785)
at
org.eclipse.debug.internal.ui.launchConfigurations.LaunchCon figurationsDialog.open(LaunchConfigurationsDialog.java:1086)
at
org.eclipse.debug.internal.ui.launchConfigurations.LaunchCon figurationPropertiesDialog.open(LaunchConfigurationPropertie sDialog.java:180)
at
org.eclipse.debug.ui.DebugUITools.openLaunchConfigurationDia log(DebugUITools.java:456)
at
org.eclipse.ant.internal.ui.launchConfigurations.AntLaunchSh ortcut.launch(AntLaunchShortcut.java:337)
at
org.eclipse.ant.internal.ui.launchConfigurations.AntLaunchSh ortcut.launch(AntLaunchShortcut.java:232)
at
org.eclipse.ant.internal.ui.launchConfigurations.AntLaunchSh ortcut.launch(AntLaunchShortcut.java:177)
at
org.eclipse.ant.internal.ui.launchConfigurations.AntLaunchSh ortcut.launch(AntLaunchShortcut.java:85)
at
org.eclipse.debug.internal.ui.launchConfigurations.LaunchSho rtcutExtension.launch(LaunchShortcutExtension.java:369)
at
org.eclipse.debug.internal.ui.actions.LaunchShortcutAction.r un(LaunchShortcutAction.java:68)
at org.eclipse.jface.action.Action.runWithEvent(Action.java:499 )
at
org.eclipse.jface.action.ActionContributionItem.handleWidget Selection(ActionContributionItem.java:539)
at
org.eclipse.jface.action.ActionContributionItem.access$2(Act ionContributionItem.java:488)
at
org.eclipse.jface.action.ActionContributionItem$5.handleEven t(ActionContributionItem.java:400)
at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java :66)
at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1085)
at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.ja va:3166)
at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java :2842)
at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.jav a:1914)
at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:1878)
at
org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Work bench.java:419)
at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.j ava:149)
at org.eclipse.ui.internal.ide.IDEApplication.run(IDEApplicatio n.java:95)
at
org.eclipse.core.internal.runtime.PlatformActivator$1.run(Pl atformActivator.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(EclipseS tarter.java:400)
at
org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseS tarter.java:177)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAcce ssorImpl.java:39)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMe thodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:585)
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)
Thanks for your help.
Henrik
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| Re: Error using ant from eclipse [message #248443 is a reply to message #248438] |
Sat, 06 October 2007 05:08  |
| Eclipse User |
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Originally posted by: henrik_b.freenet.de
Am Fri, 5 Oct 2007 14:29:40 -0700 schrieb Darin Swanson:
thanks for your answer. but didn't help...
> Hmmm...strange that things just went bad.
> Did you happen to use the same Eclipse install for 2 different workspaces?
No, I did not change anything about my workspace. Could be possible that I
used a different user with a different workspace on the same machine, but
that really shouldn't be a problem.
>
> Within Eclipse, please open Window>Preferences>Ant>Runtime>Classpath
> If things look amiss here hit Restore Defaults.
>
> Also check the Classpath for the particular Ant launch configuration you are
> failing to launch.
> Open the External Tools Dialog and select the launch configuration.
> Go to the Classpath tab
> Check that the Ant Home entries are correct. You can try Restore defaults
> again to fix things up.
Tried both, the path is always
/usr/lib/eclipse/plugins/org.apache.ant_1.6.5/lib which seems to be ok.
Restoring defaults doesn't change anything. The problem remains.
Greetings Henrik
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