java.util.ConcurrentModificationException: This exception has no message.

Searched on Google with the first line of a JAVA stack trace?

We can recommend more relevant solutions and speed up debugging when you paste your entire stack trace with the exception message. Try a sample exception.

Recommended solutions based on your search

Solutions on the web

java.util.ConcurrentModificationException:
at java.util.HashMap$HashIterator.nextNode(Unknown Source)
at java.util.HashMap$EntryIterator.next(Unknown Source)
at raven.sqdev.editors.BasicFoldingManager.apply(BasicFoldingManager.java:68)
at raven.sqdev.editors.BasicCodeEditor.applyParseChanges(BasicCodeEditor.java:476)
at raven.sqdev.editors.sqfeditor.SQF_Editor.processParseTree(SQF_Editor.java:233)
at raven.sqdev.editors.BasicCodeEditor.parseInput(BasicCodeEditor.java:372)
at raven.sqdev.editors.BasicCodeEditor.doSave(BasicCodeEditor.java:467)
at raven.sqdev.editors.sqfeditor.SQF_Editor.doSave(SQF_Editor.java:136)
at org.eclipse.ui.Saveable.doSave(Saveable.java:216)
at org.eclipse.ui.internal.SaveableHelper.doSaveModel(SaveableHelper.java:357)
at org.eclipse.ui.internal.SaveableHelper$3.run(SaveableHelper.java:201)
at org.eclipse.jface.operation.ModalContext.runInCurrentThread(ModalContext.java:463)
at org.eclipse.ui.internal.WorkbenchWindow$14.run(WorkbenchWindow.java:2181)
at org.eclipse.ui.internal.WorkbenchWindow.run(WorkbenchWindow.java:2177)
at org.eclipse.ui.internal.SaveableHelper.runProgressMonitorOperation(SaveableHelper.java:293)
at org.eclipse.ui.internal.SaveableHelper.runProgressMonitorOperation(SaveableHelper.java:271)
at org.eclipse.ui.internal.SaveableHelper.saveModels(SaveableHelper.java:213)
at org.eclipse.ui.internal.SaveableHelper.savePart(SaveableHelper.java:148)
at org.eclipse.ui.internal.WorkbenchPage.saveSaveable(WorkbenchPage.java:3892)
at org.eclipse.ui.internal.handlers.SaveHandler.execute(SaveHandler.java:54)
at org.eclipse.ui.internal.handlers.HandlerProxy.execute(HandlerProxy.java:295)
at sun.reflect.GeneratedMethodAccessor41.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:56)
at org.eclipse.e4.core.internal.di.InjectorImpl.invokeUsingClass(InjectorImpl.java:252)
at org.eclipse.e4.core.internal.di.InjectorImpl.invoke(InjectorImpl.java:234)
at org.eclipse.e4.core.contexts.ContextInjectionFactory.invoke(ContextInjectionFactory.java:132)
at org.eclipse.e4.core.commands.internal.HandlerServiceHandler.execute(HandlerServiceHandler.java:152)
at org.eclipse.core.commands.Command.executeWithChecks(Command.java:493)
at org.eclipse.e4.core.commands.internal.HandlerServiceImpl.executeHandler(HandlerServiceImpl.java:210)
at org.eclipse.e4.ui.bindings.keys.KeyBindingDispatcher.executeCommand(KeyBindingDispatcher.java:286)
at org.eclipse.e4.ui.bindings.keys.KeyBindingDispatcher.press(KeyBindingDispatcher.java:507)
at org.eclipse.e4.ui.bindings.keys.KeyBindingDispatcher.processKeyEvent(KeyBindingDispatcher.java:558)
at org.eclipse.e4.ui.bindings.keys.KeyBindingDispatcher.filterKeySequenceBindings(KeyBindingDispatcher.java:378)
at org.eclipse.e4.ui.bindings.keys.KeyBindingDispatcher.access$0(KeyBindingDispatcher.java:324)
at org.eclipse.e4.ui.bindings.keys.KeyBindingDispatcher$KeyDownFilter.handleEvent(KeyBindingDispatcher.java:86)
at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)
at org.eclipse.swt.widgets.Display.filterEvent(Display.java:1266)
at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1112)
at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1137)
at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1122)
at org.eclipse.swt.widgets.Widget.sendKeyEvent(Widget.java:1164)
at org.eclipse.swt.widgets.Widget.sendKeyEvent(Widget.java:1160)
at org.eclipse.swt.widgets.Widget.wmChar(Widget.java:1581)
at org.eclipse.swt.widgets.Control.WM_CHAR(Control.java:4795)
at org.eclipse.swt.widgets.Canvas.WM_CHAR(Canvas.java:343)
at org.eclipse.swt.widgets.Control.windowProc(Control.java:4676)
at org.eclipse.swt.widgets.Canvas.windowProc(Canvas.java:339)
at org.eclipse.swt.internal.win32.OS.DispatchMessageW(Native Method)
at org.eclipse.swt.internal.win32.OS.DispatchMessage(OS.java:2549)
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:380)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:669)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:608)

Users with the same issue

Samebug visitor profile picture
Unknown user
Once, 3 days ago
2 times, 1 month ago
Once, 4 months ago
Samebug visitor profile picture
Unknown user
Once, 8 months ago
6 times, 1 year ago
25 more bugmates

Know the solutions? Share your knowledge to help other developers to debug faster.