I get it regularly when hitting command/control-space to auto complete. I also see it when I hit control-o to open the function list. I also see it other times typically related to code navigation features.
My suspicion is that it's memory related (My FB process often pushes over 2.5 GB of memory usage). Restarting FB usually resolves it, but I agree it's annoying when it happens. Here are couple of example (there are hundreds of these): !ENTRY com.adobe.flexbuilder.project 4 43 2013-10-28 16:43:12.523 !MESSAGE Error !STACK 0 java.lang.NullPointerException at com.adobe.flexbuilder.mxmlmodel.InlineStatesEncoder.getOverriddenProperty(InlineStatesEncoder.java:258) at com.adobe.flexbuilder.mxmlmodel.AttributeProperty.getOverriddenItem(AttributeProperty.java:96) at com.adobe.flexbuilder.mxmlmodel.inlinestates.internal.SMXMLModel$MyBaseModelListener.removeChildFromTree(SMXMLModel.java:599) at com.adobe.flexbuilder.mxmlmodel.inlinestates.internal.SMXMLModel$MyBaseModelListener.beforeDelete(SMXMLModel.java:507) at com.adobe.flexbuilder.mxmlmodel.inlinestates.internal.SMXMLModel$MyBaseModelListener.modelAboutToBeChanged(SMXMLModel.java:253) at com.adobe.flexbuilder.designmodel.WeakModelListener.modelAboutToBeChanged(WeakModelListener.java:73) at com.adobe.flexbuilder.designmodel.DesignModel.doNotifyChanging(DesignModel.java:433) at com.adobe.flexbuilder.designmodel.DesignModel.notifyChanging(DesignModel.java:404) at com.adobe.flexbuilder.designmodel.DesignModel.changing(DesignModel.java:597) at com.adobe.flexbuilder.mxmlmodel.AbstractMXMLModel.changing(AbstractMXMLModel.java:602) at com.adobe.flexbuilder.designmodel.DesignModel.changing(DesignModel.java:587) at com.adobe.flexbuilder.mxmlmodel.MXMLModel.updateAndNotifyAttributeChanges(MXMLModel.java:1522) at com.adobe.flexbuilder.mxmlmodel.MXMLModel.doDocumentEvent(MXMLModel.java:1323) at com.adobe.flexbuilder.mxmlmodel.MXMLModel.documentEvent(MXMLModel.java:1202) at com.adobe.flexbuilder.designmodel.DocumentTextProvider.doProcessCodeEvents(DocumentTextProvider.java:571) at com.adobe.flexbuilder.designmodel.DocumentTextProvider.access$1(DocumentTextProvider.java:536) at com.adobe.flexbuilder.designmodel.DocumentTextProvider$EventQueueProcessor.run(DocumentTextProvider.java:237) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:135) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4140) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3757) at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:2696) at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:2660) at org.eclipse.ui.internal.Workbench.access$4(Workbench.java:2494) at org.eclipse.ui.internal.Workbench$7.run(Workbench.java:674) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:667) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149) at com.adobe.flexbuilder.standalone.FlashBuilderApplication.start(FlashBuilderApplication.java:79) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:196) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:110) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:79) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:344) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:179) 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.equinox.launcher.Main.invokeFramework(Main.java:622) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:577) at org.eclipse.equinox.launcher.Main.run(Main.java:1410) !ENTRY org.eclipse.ui 4 0 2013-10-28 16:43:15.731 !MESSAGE Unhandled event loop exception !STACK 0 java.lang.NullPointerException at com.adobe.flash.compiler.internal.definitions.DefinitionBase.getContainingToplevelDefinition(DefinitionBase.java:533) at com.adobe.flash.compiler.internal.definitions.DefinitionBase.getPackageName(DefinitionBase.java:565) at com.adobe.flash.compiler.internal.definitions.DefinitionBase.getQualifiedName(DefinitionBase.java:603) at com.adobe.flexide.as.core.lookup.ASDefinition.<init>(ASDefinition.java:385) at com.adobe.flexide.mxml.core.editor.lookup.MXMLLookupProcessor.getDefinition(MXMLLookupProcessor.java:154) at com.adobe.flexide.as.core.lookup.LookupManager.getDefinition(LookupManager.java:77) at com.adobe.flexide.as.core.lookup.LookupManager.getDefinition(LookupManager.java:191) at com.adobe.flexide.as.core.ui.hyperlink.ActionScriptHyperlinkDetector.detectHyperlinks(ActionScriptHyperlinkDetector.java:45) at org.eclipse.jface.text.hyperlink.HyperlinkManager.findHyperlinks(HyperlinkManager.java:286) at org.eclipse.jface.text.hyperlink.HyperlinkManager.findHyperlinks(HyperlinkManager.java:258) at org.eclipse.jface.text.hyperlink.HyperlinkManager.mouseMove(HyperlinkManager.java:462) at org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:211) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1053) at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:4165) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3754) at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:2696) at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:2660) at org.eclipse.ui.internal.Workbench.access$4(Workbench.java:2494) at org.eclipse.ui.internal.Workbench$7.run(Workbench.java:674) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:667) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149) at com.adobe.flexbuilder.standalone.FlashBuilderApplication.start(FlashBuilderApplication.java:79) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:196) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:110) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:79) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:344) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:179) 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.equinox.launcher.Main.invokeFramework(Main.java:622) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:577) at org.eclipse.equinox.launcher.Main.run(Main.java:1410) !ENTRY org.eclipse.jface.text 4 0 2013-10-28 16:48:15.732 !MESSAGE Unexpected runtime error while computing a text hover !STACK 0 java.lang.NullPointerException at com.adobe.flash.compiler.internal.definitions.DefinitionBase.getContainingToplevelDefinition(DefinitionBase.java:533) at com.adobe.flash.compiler.internal.definitions.DefinitionBase.getPackageName(DefinitionBase.java:565) at com.adobe.flash.compiler.internal.definitions.DefinitionBase.getQualifiedName(DefinitionBase.java:603) at com.adobe.flexide.as.core.lookup.ASDefinition.<init>(ASDefinition.java:385) at com.adobe.flexide.mxml.core.editor.lookup.MXMLLookupProcessor.getDefinition(MXMLLookupProcessor.java:154) at com.adobe.flexide.as.core.lookup.LookupManager.getDefinition(LookupManager.java:77) at com.adobe.flexide.as.core.lookup.LookupManager.getDefinition(LookupManager.java:191) at com.adobe.flexide.as.core.asdoc.ASDocInputFactory.build(ASDocInputFactory.java:60) at com.adobe.flexide.as.core.ActionScriptInfoHover.getHoverInfo2(ActionScriptInfoHover.java:100) at com.adobe.flexide.as.core.TextHoverChooser.getActiveHover(TextHoverChooser.java:76) at com.adobe.flexide.as.core.TextHoverChooser.getHoverInfo2(TextHoverChooser.java:121) at org.eclipse.jface.text.TextViewerHoverManager$4.run(TextViewerHoverManager.java:166) !ENTRY com.adobe.flexbuilder.project 4 43 2013-10-28 16:43:12.523 !MESSAGE Error !STACK 0 java.lang.NullPointerException at com.adobe.flexbuilder.mxmlmodel.InlineStatesEncoder.getOverriddenProperty(InlineStatesEncoder.java:258) at com.adobe.flexbuilder.mxmlmodel.AttributeProperty.getOverriddenItem(AttributeProperty.java:96) at com.adobe.flexbuilder.mxmlmodel.inlinestates.internal.SMXMLModel$MyBaseModelListener.removeChildFromTree(SMXMLModel.java:599) at com.adobe.flexbuilder.mxmlmodel.inlinestates.internal.SMXMLModel$MyBaseModelListener.beforeDelete(SMXMLModel.java:507) at com.adobe.flexbuilder.mxmlmodel.inlinestates.internal.SMXMLModel$MyBaseModelListener.modelAboutToBeChanged(SMXMLModel.java:253) at com.adobe.flexbuilder.designmodel.WeakModelListener.modelAboutToBeChanged(WeakModelListener.java:73) at com.adobe.flexbuilder.designmodel.DesignModel.doNotifyChanging(DesignModel.java:433) at com.adobe.flexbuilder.designmodel.DesignModel.notifyChanging(DesignModel.java:404) at com.adobe.flexbuilder.designmodel.DesignModel.changing(DesignModel.java:597) at com.adobe.flexbuilder.mxmlmodel.AbstractMXMLModel.changing(AbstractMXMLModel.java:602) at com.adobe.flexbuilder.designmodel.DesignModel.changing(DesignModel.java:587) at com.adobe.flexbuilder.mxmlmodel.MXMLModel.updateAndNotifyAttributeChanges(MXMLModel.java:1522) at com.adobe.flexbuilder.mxmlmodel.MXMLModel.doDocumentEvent(MXMLModel.java:1323) at com.adobe.flexbuilder.mxmlmodel.MXMLModel.documentEvent(MXMLModel.java:1202) at com.adobe.flexbuilder.designmodel.DocumentTextProvider.doProcessCodeEvents(DocumentTextProvider.java:571) at com.adobe.flexbuilder.designmodel.DocumentTextProvider.access$1(DocumentTextProvider.java:536) at com.adobe.flexbuilder.designmodel.DocumentTextProvider$EventQueueProcessor.run(DocumentTextProvider.java:237) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:135) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4140) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3757) at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:2696) at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:2660) at org.eclipse.ui.internal.Workbench.access$4(Workbench.java:2494) at org.eclipse.ui.internal.Workbench$7.run(Workbench.java:674) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:667) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149) at com.adobe.flexbuilder.standalone.FlashBuilderApplication.start(FlashBuilderApplication.java:79) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:196) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:110) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:79) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:344) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:179) 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.equinox.launcher.Main.invokeFramework(Main.java:622) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:577) at org.eclipse.equinox.launcher.Main.run(Main.java:1410) On Tue, Oct 29, 2013 at 1:21 PM, mark goldin <markzolo...@gmail.com> wrote: > I mean typing in, searching, looking for references, everything we do when > we develop. Will check the log. > > > On Tue, Oct 29, 2013 at 2:57 PM, JP Bader <j...@zavteq.com> wrote: > > > Could you maybe provide a log with more details?!? NullPointerException > > doesn't really give us much to go on. > > > > Also, what do you mean, "doing all kind of things in FB"? Are you doing > > things? What things? > > > > > > On Tue, Oct 29, 2013 at 2:53 PM, mark goldin <markzolo...@gmail.com> > > wrote: > > > > > Lately, I have been getting this alot: > > > An error has occurred. See error log for more details. > > > java.lang.NullPointerException > > > > > > doing all kind of things in FB. Any idea to get rid of it? > > > > > > Thanks > > > > > > > > > > > -- > > JP Bader > > Principal > > Zavteq, Inc. > > @lordB8r | j...@zavteq.com > > 608.692.2468 > > >