#12 JyDT not opening py file

[Mike_G]

After installing JyDT plugin it won't open py files and
generally does not seem to function.

Plugin version: 1.4.15
O/S: WinXP
Jars:
net.redrobin.eclipse.jydt.core_1.4.15.jar
net.redrobin.eclipse.jydt.debug.ui_1.4.15.jar
net.redrobin.eclipse.jydt.debug_1.4.15.jar
net.redrobin.eclipse.jydt.help_1.4.15.jar
net.redrobin.eclipse.jydt.jython_1.4.15.jar
net.redrobin.eclipse.jydt.launching_1.4.15.jar
net.redrobin.eclipse.jydt.metrics_1.4.15.jar
net.redrobin.eclipse.jydt.ui.browsing_1.4.15.jar
net.redrobin.eclipse.jydt.ui_1.4.15.jar
JRE: 1.5

Stack dump:

java.lang.ClassNotFoundException:
net.redrobin.eclipse.jydt.ui.editor.Editor
at
org.eclipse.osgi.framework.internal.core.BundleLoader.findClass(BundleLoader.java:402)
at
org.eclipse.osgi.framework.internal.core.BundleLoader.findClass(BundleLoader.java:347)
at
org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.loadClass(DefaultClassLoader.java:83)
at java.lang.ClassLoader.loadClass(ClassLoader.java:235)
at
org.eclipse.osgi.framework.internal.core.BundleLoader.loadClass(BundleLoader.java:278)
at
org.eclipse.osgi.framework.internal.core.BundleHost.loadClass(BundleHost.java:227)
at
org.eclipse.osgi.framework.internal.core.AbstractBundle.loadClass(AbstractBundle.java:1245)
at
org.eclipse.core.internal.registry.osgi.RegistryStrategyOSGI.createExecutableExtension(RegistryStrategyOSGI.java:147)
at
org.eclipse.core.internal.registry.ExtensionRegistry.createExecutableExtension(ExtensionRegistry.java:759)
at
org.eclipse.core.internal.registry.ConfigurationElement.createExecutableExtension(ConfigurationElement.java:243)
at
org.eclipse.core.internal.registry.ConfigurationElementHandle.createExecutableExtension(ConfigurationElementHandle.java:51)
at
org.eclipse.ui.internal.WorkbenchPlugin$1.run(WorkbenchPlugin.java:242)
at
org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:67)
at
org.eclipse.ui.internal.WorkbenchPlugin.createExtension(WorkbenchPlugin.java:238)
at
org.eclipse.ui.internal.registry.EditorDescriptor.createEditor(EditorDescriptor.java:231)
at
org.eclipse.ui.internal.EditorManager.createPart(EditorManager.java:909)
at
org.eclipse.ui.internal.EditorReference.createPartHelper(EditorReference.java:549)
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.EditorReference.getEditor(EditorReference.java:214)
at
org.eclipse.ui.internal.WorkbenchPage.busyOpenEditorBatched(WorkbenchPage.java:2595)
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.ui.actions.OpenFileAction.openFile(OpenFileAction.java:98)
at
org.eclipse.ui.actions.OpenSystemEditorAction.run(OpenSystemEditorAction.java:98)
at
org.eclipse.ui.views.navigator.OpenActionGroup.runDefaultAction(OpenActionGroup.java:125)
at
org.eclipse.ui.views.navigator.MainActionGroup.runDefaultAction(MainActionGroup.java:328)
at
org.eclipse.ui.views.navigator.ResourceNavigator.handleOpen(ResourceNavigator.java:679)
at
org.eclipse.ui.views.navigator.ResourceNavigator$6.open(ResourceNavigator.java:434)
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)