[jbosstools-issues] [JBoss JIRA] (JBIDE-18062) java.lang.ClassCastException: org.eclipse.ui.internal.part.NullEditorInput cannot be cast to org.eclipse.jdt.internal.ui.javaeditor.IClassFileEditorInput
Denis Golovin (JIRA)
issues at jboss.org
Thu Aug 7 18:58:29 EDT 2014
Denis Golovin created JBIDE-18062:
-------------------------------------
Summary: java.lang.ClassCastException: org.eclipse.ui.internal.part.NullEditorInput cannot be cast to org.eclipse.jdt.internal.ui.javaeditor.IClassFileEditorInput
Key: JBIDE-18062
URL: https://issues.jboss.org/browse/JBIDE-18062
Project: Tools (JBoss Tools)
Issue Type: Bug
Components: central
Affects Versions: 4.2.0.Beta3
Reporter: Denis Golovin
Assignee: Denis Golovin
Fix For: 4.2.0.CR1
Happens sometime for me, but I didn't notice steps to replicate.
{code}java.lang.ClassCastException: org.eclipse.ui.internal.part.NullEditorInput cannot be cast to org.eclipse.jdt.internal.ui.javaeditor.IClassFileEditorInput
at org.jboss.tools.maven.sourcelookup.ui.actions.AttachSourcesActionDelegate.setActiveEditor(AttachSourcesActionDelegate.java:79)
at org.eclipse.ui.internal.EditorPluginAction.editorChanged(EditorPluginAction.java:77)
at org.eclipse.ui.internal.EditorActionBuilder$EditorContribution.editorChanged(EditorActionBuilder.java:86)
at org.eclipse.ui.internal.EditorActionBuilder$ExternalContributor.setActiveEditor(EditorActionBuilder.java:135)
at org.eclipse.ui.internal.EditorActionBars.partChanged(EditorActionBars.java:357)
at org.eclipse.ui.internal.WorkbenchPage.updateActivations(WorkbenchPage.java:298)
at org.eclipse.ui.internal.WorkbenchPage.access$17(WorkbenchPage.java:280)
at org.eclipse.ui.internal.WorkbenchPage$E4PartListener.partActivated(WorkbenchPage.java:202)
at org.eclipse.e4.ui.internal.workbench.PartServiceImpl$3.run(PartServiceImpl.java:234)
at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.firePartActivated(PartServiceImpl.java:231)
at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:682)
at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:613)
at org.eclipse.e4.ui.internal.workbench.swt.AbstractPartRenderer.activate(AbstractPartRenderer.java:106)
at org.eclipse.e4.ui.workbench.renderers.swt.StackRenderer$9.handleEvent(StackRenderer.java:1017)
at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)
at org.eclipse.swt.widgets.Display.sendEvent(Display.java:4487)
at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1388)
at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1412)
at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1397)
at org.eclipse.swt.widgets.Shell.setActiveControl(Shell.java:1714)
at org.eclipse.swt.widgets.Control.gtk_button_press_event(Control.java:3024)
at org.eclipse.swt.widgets.Control.gtk_button_press_event(Control.java:2960)
at org.eclipse.swt.widgets.Composite.gtk_button_press_event(Composite.java:723)
at org.eclipse.swt.widgets.Widget.windowProc(Widget.java:2077)
at org.eclipse.swt.widgets.Control.windowProc(Control.java:5510)
at org.eclipse.swt.widgets.Display.windowProc(Display.java:4701)
at org.eclipse.swt.internal.gtk.OS._gtk_main_do_event(Native Method)
at org.eclipse.swt.internal.gtk.OS.gtk_main_do_event(OS.java:9074)
at org.eclipse.swt.widgets.Display.eventProc(Display.java:1253)
at org.eclipse.swt.internal.gtk.OS._g_main_context_iteration(Native Method)
at org.eclipse.swt.internal.gtk.OS.g_main_context_iteration(OS.java:2473)
at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3439)
at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$9.run(PartRenderingEngine.java:1152)
at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)
at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1033)
at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:148)
at org.eclipse.ui.internal.Workbench$5.run(Workbench.java:636)
at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)
at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:579)
at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:150)
at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:135)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:196)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:382)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:236)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:606)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:648)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:603)
at org.eclipse.equinox.launcher.Main.run(Main.java:1465)
at org.eclipse.equinox.launcher.Main.main(Main.java:1438){code}
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