[jbosstools-issues] [JBoss JIRA] (JBIDE-25915) NullPointerException when not opening CheatSheet for imported project

NullPointerException when not opening CheatSheet for imported project --------------------------------------------------------------------- Key: JBIDE-25915 URL: https://issues.jboss.org/browse/JBIDE-25915 Project: Tools (JBoss Tools) Issue Type: Bug Components: openshift, project-examples Affects Versions: 4.5.3.Final Reporter: Josef Kopriva Assignee: Jeff MAURY Fix For: 4.6.0.AM1 Errors from *Error Log*: {code:java} eclipse.buildId=11.3.0.GA-v20180410-1152-B2341 java.version=1.8.0_162 java.vendor=Oracle Corporation BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US Framework arguments: -product com.jboss.devstudio.core.product Command-line arguments: -os linux -ws gtk -arch x86_64 -product com.jboss.devstudio.core.product org.eclipse.jface Error Wed Apr 11 07:43:42 CEST 2018 Problems occurred when invoking code from plug-in: "org.eclipse.jface". java.lang.NullPointerException at org.eclipse.jface.viewers.ViewerCell.getStyleRanges(ViewerCell.java:195) at org.eclipse.jface.viewers.DelegatingStyledCellLabelProvider.update(DelegatingStyledCellLabelProvider.java:109) at org.eclipse.jface.viewers.DecoratingStyledCellLabelProvider.update(DecoratingStyledCellLabelProvider.java:131) at org.eclipse.jface.viewers.ViewerColumn.refresh(ViewerColumn.java:141) at org.eclipse.jface.viewers.AbstractTreeViewer.doUpdateItem(AbstractTreeViewer.java:946) at org.eclipse.jface.viewers.AbstractTreeViewer$UpdateItemSafeRunnable.run(AbstractTreeViewer.java:117) at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42) at org.eclipse.ui.internal.JFaceUtil.lambda$0(JFaceUtil.java:44) at org.eclipse.jface.util.SafeRunnable.run(SafeRunnable.java:173) at org.eclipse.jface.viewers.AbstractTreeViewer.doUpdateItem(AbstractTreeViewer.java:1025) at org.eclipse.jface.viewers.StructuredViewer$UpdateItemSafeRunnable.run(StructuredViewer.java:475) at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42) at org.eclipse.ui.internal.JFaceUtil.lambda$0(JFaceUtil.java:44) at org.eclipse.jface.util.SafeRunnable.run(SafeRunnable.java:173) at org.eclipse.jface.viewers.StructuredViewer.updateItem(StructuredViewer.java:2159) at org.eclipse.jface.viewers.AbstractTreeViewer.createTreeItem(AbstractTreeViewer.java:840) at org.eclipse.jface.viewers.AbstractTreeViewer.createAddedElements(AbstractTreeViewer.java:349) at org.eclipse.jface.viewers.AbstractTreeViewer.internalAdd(AbstractTreeViewer.java:283) at org.eclipse.jface.viewers.TreeViewer.internalAdd(TreeViewer.java:614) at org.eclipse.jface.viewers.AbstractTreeViewer.add(AbstractTreeViewer.java:159) at org.eclipse.ui.navigator.CommonViewer.add(CommonViewer.java:302) at org.eclipse.jface.viewers.AbstractTreeViewer.add(AbstractTreeViewer.java:665) at org.eclipse.jdt.internal.ui.packageview.PackageExplorerContentProvider$4.run(PackageExplorerContentProvider.java:1004) at org.eclipse.jdt.internal.ui.packageview.PackageExplorerContentProvider.runUpdates(PackageExplorerContentProvider.java:206) at org.eclipse.jdt.internal.ui.packageview.PackageExplorerContentProvider.runPendingUpdates(PackageExplorerContentProvider.java:198) at org.eclipse.jdt.internal.ui.packageview.PackageExplorerContentProvider$1.runInUIThread(PackageExplorerContentProvider.java:176) at org.eclipse.ui.progress.UIJob.lambda$0(UIJob.java:95) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:37) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:182) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4577) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4186) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1150) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:336) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1039) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:153) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:680) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:336) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:594) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:148) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:151) 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:388) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:243) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:653) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:590) at org.eclipse.equinox.launcher.Main.run(Main.java:1499) at org.eclipse.equinox.launcher.Main.main(Main.java:1472) {code} {code:java} eclipse.buildId=11.3.0.GA-v20180410-1152-B2341 java.version=1.8.0_162 java.vendor=Oracle Corporation BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US Framework arguments: -product com.jboss.devstudio.core.product Command-line arguments: -os linux -ws gtk -arch x86_64 -product com.jboss.devstudio.core.product org.eclipse.ui Error Wed Apr 11 07:43:42 CEST 2018 To avoid deadlock while executing Display.syncExec() with argument: org.jboss.tools.project.examples.cheatsheet.internal.util.CheatSheetUtil$1@1a833cff, thread Worker-3 will interrupt UI thread. {code} {code:java} eclipse.buildId=11.3.0.GA-v20180410-1152-B2341 java.version=1.8.0_162 java.vendor=Oracle Corporation BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US Framework arguments: -product com.jboss.devstudio.core.product Command-line arguments: -os linux -ws gtk -arch x86_64 -product com.jboss.devstudio.core.product org.eclipse.ui Error Wed Apr 11 07:43:42 CEST 2018 UI thread waiting on a job or lock. java.lang.IllegalStateException: Call stack for thread main at org.eclipse.swt.internal.gtk.OS.Call(Native Method) at org.eclipse.swt.widgets.Display.sleep(Display.java:5163) at org.eclipse.jface.window.Window.runEventLoop(Window.java:819) at org.eclipse.jface.window.Window.open(Window.java:794) at org.eclipse.jface.dialogs.MessageDialog.open(MessageDialog.java:396) at org.eclipse.jface.dialogs.MessageDialogWithToggle.open(MessageDialogWithToggle.java:119) at org.eclipse.jface.dialogs.MessageDialogWithToggle.openYesNoQuestion(MessageDialogWithToggle.java:365) at org.jboss.tools.project.examples.cheatsheet.internal.util.CheatSheetUtil.promptToShowCheatsheets(CheatSheetUtil.java:411) at org.jboss.tools.project.examples.cheatsheet.internal.util.CheatSheetUtil.access$1(CheatSheetUtil.java:394) at org.jboss.tools.project.examples.cheatsheet.internal.util.CheatSheetUtil$1.run(CheatSheetUtil.java:378) at org.eclipse.ui.internal.PendingSyncExec.run(PendingSyncExec.java:58) at org.eclipse.ui.internal.UILockListener.doPendingWork(UILockListener.java:168) at org.eclipse.ui.internal.UILockListener.aboutToWait(UILockListener.java:136) at org.eclipse.core.internal.jobs.LockManager.aboutToWait(LockManager.java:114) at org.eclipse.core.internal.jobs.OrderedLock.doAcquire(OrderedLock.java:152) at org.eclipse.core.internal.jobs.OrderedLock.acquire(OrderedLock.java:106) at org.eclipse.jst.j2ee.internal.J2EEInit.aquireInitializePackageContentsLock(J2EEInit.java:454) at org.eclipse.jst.j2ee.ejb.internal.impl.EjbPackageImpl.freeze(EjbPackageImpl.java:1757) at org.eclipse.jst.j2ee.ejb.internal.impl.EjbPackageImpl.init(EjbPackageImpl.java:325) at org.eclipse.jst.j2ee.ejb.EjbPackage.<clinit>(EjbPackage.java:1916) at org.eclipse.jst.j2ee.ejb.internal.impl.EjbFactoryImpl.getPackage(EjbFactoryImpl.java:671) at org.eclipse.jst.j2ee.internal.provider.J2EEAdapterFactoryLabelProvider.<clinit>(J2EEAdapterFactoryLabelProvider.java:42) at org.eclipse.jst.j2ee.navigator.internal.J2EELabelProvider.initialize(J2EELabelProvider.java:57) at org.eclipse.jst.j2ee.navigator.internal.J2EELabelProvider.init(J2EELabelProvider.java:246) at org.eclipse.ui.internal.navigator.extensions.NavigatorContentExtension$2.run(NavigatorContentExtension.java:156) at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42) at org.eclipse.ui.internal.navigator.extensions.NavigatorContentExtension.getLabelProvider(NavigatorContentExtension.java:148) at org.eclipse.ui.internal.navigator.NavigatorContentServiceLabelProvider.findStyledText(NavigatorContentServiceLabelProvider.java:165) at org.eclipse.ui.internal.navigator.NavigatorContentServiceLabelProvider.getStyledText(NavigatorContentServiceLabelProvider.java:153) at org.eclipse.ui.internal.navigator.NavigatorDecoratingLabelProvider$StyledLabelProviderAdapter.getStyledText(NavigatorDecoratingLabelProvider.java:63) at org.eclipse.jface.viewers.DelegatingStyledCellLabelProvider.getStyledText(DelegatingStyledCellLabelProvider.java:206) at org.eclipse.jface.viewers.DecoratingStyledCellLabelProvider.getStyledText(DecoratingStyledCellLabelProvider.java:194) at org.eclipse.jface.viewers.DelegatingStyledCellLabelProvider.update(DelegatingStyledCellLabelProvider.java:106) at org.eclipse.jface.viewers.DecoratingStyledCellLabelProvider.update(DecoratingStyledCellLabelProvider.java:131) at org.eclipse.jface.viewers.ViewerColumn.refresh(ViewerColumn.java:141) at org.eclipse.jface.viewers.AbstractTreeViewer.doUpdateItem(AbstractTreeViewer.java:946) at org.eclipse.jface.viewers.AbstractTreeViewer$UpdateItemSafeRunnable.run(AbstractTreeViewer.java:117) at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42) at org.eclipse.ui.internal.JFaceUtil.lambda$0(JFaceUtil.java:44) at org.eclipse.ui.internal.JFaceUtil$$Lambda$8/1922881634.run(Unknown Source) at org.eclipse.jface.util.SafeRunnable.run(SafeRunnable.java:173) at org.eclipse.jface.viewers.AbstractTreeViewer.doUpdateItem(AbstractTreeViewer.java:1025) at org.eclipse.jface.viewers.StructuredViewer$UpdateItemSafeRunnable.run(StructuredViewer.java:475) at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42) at org.eclipse.ui.internal.JFaceUtil.lambda$0(JFaceUtil.java:44) at org.eclipse.ui.internal.JFaceUtil$$Lambda$8/1922881634.run(Unknown Source) at org.eclipse.jface.util.SafeRunnable.run(SafeRunnable.java:173) at org.eclipse.jface.viewers.StructuredViewer.updateItem(StructuredViewer.java:2159) at org.eclipse.jface.viewers.AbstractTreeViewer.createTreeItem(AbstractTreeViewer.java:840) at org.eclipse.jface.viewers.AbstractTreeViewer.createAddedElements(AbstractTreeViewer.java:349) at org.eclipse.jface.viewers.AbstractTreeViewer.internalAdd(AbstractTreeViewer.java:283) at org.eclipse.jface.viewers.TreeViewer.internalAdd(TreeViewer.java:614) at org.eclipse.jface.viewers.AbstractTreeViewer.add(AbstractTreeViewer.java:159) at org.eclipse.ui.navigator.CommonViewer.add(CommonViewer.java:302) at org.eclipse.jface.viewers.AbstractTreeViewer.add(AbstractTreeViewer.java:665) at org.eclipse.jdt.internal.ui.packageview.PackageExplorerContentProvider$4.run(PackageExplorerContentProvider.java:1004) at org.eclipse.jdt.internal.ui.packageview.PackageExplorerContentProvider.runUpdates(PackageExplorerContentProvider.java:206) at org.eclipse.jdt.internal.ui.packageview.PackageExplorerContentProvider.runPendingUpdates(PackageExplorerContentProvider.java:198) at org.eclipse.jdt.internal.ui.packageview.PackageExplorerContentProvider$1.runInUIThread(PackageExplorerContentProvider.java:176) at org.eclipse.ui.progress.UIJob.lambda$0(UIJob.java:95) at org.eclipse.ui.progress.UIJob$$Lambda$188/1808974173.run(Unknown Source) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:37) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:182) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4577) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:4186) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1150) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:336) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1039) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:153) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:680) at org.eclipse.ui.internal.Workbench$$Lambda$70/1519216494.run(Unknown Source) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:336) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:594) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:148) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:151) 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:388) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:243) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:653) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:590) at org.eclipse.equinox.launcher.Main.run(Main.java:1499) at org.eclipse.equinox.launcher.Main.main(Main.java:1472) {code} {code:java} eclipse.buildId=11.3.0.GA-v20180410-1152-B2341 java.version=1.8.0_162 java.vendor=Oracle Corporation BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US Framework arguments: -product com.jboss.devstudio.core.product Command-line arguments: -os linux -ws gtk -arch x86_64 -product com.jboss.devstudio.core.product org.eclipse.ui Error Wed Apr 11 07:43:42 CEST 2018 Worker-3 thread is an instance of Worker or owns an ILock java.lang.IllegalStateException: Call stack for thread Worker-3 at sun.management.ThreadImpl.dumpThreads0(Native Method) at sun.management.ThreadImpl.getThreadInfo(ThreadImpl.java:448) at org.eclipse.ui.internal.UILockListener.reportInterruption(UILockListener.java:206) at org.eclipse.ui.internal.UILockListener.interruptUI(UILockListener.java:176) at org.eclipse.ui.internal.PendingSyncExec.waitUntilExecuted(PendingSyncExec.java:82) at org.eclipse.ui.internal.UISynchronizer.syncExec(UISynchronizer.java:153) at org.eclipse.swt.widgets.Display.syncExec(Display.java:5535) at org.jboss.tools.project.examples.cheatsheet.internal.util.CheatSheetUtil.showCheatsheet(CheatSheetUtil.java:375) at org.jboss.tools.project.examples.cheatsheet.Activator$1.resourceChanged(Activator.java:100) at org.eclipse.core.internal.events.NotificationManager$1.run(NotificationManager.java:299) at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42) at org.eclipse.core.internal.events.NotificationManager.notify(NotificationManager.java:289) at org.eclipse.core.internal.events.NotificationManager.broadcastChanges(NotificationManager.java:152) at org.eclipse.core.internal.resources.Workspace.broadcastPostChange(Workspace.java:374) at org.eclipse.core.internal.resources.Workspace.endOperation(Workspace.java:1469) at org.eclipse.core.internal.resources.InternalWorkspaceJob.run(InternalWorkspaceJob.java:46) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:56) {code}