[jbosstools-issues] [JBoss JIRA] (JBIDE-20669) Unhandled event loop exception when connecting to WildFly/EAP in JMX Navigator

Martin Malina (JIRA) issues at jboss.org
Tue Sep 15 05:11:00 EDT 2015 

    [ https://issues.jboss.org/browse/JBIDE-20669?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13108557#comment-13108557 ] 

Martin Malina commented on JBIDE-20669:
---------------------------------------

Strangely, today I can't reproduce the NPE, I can right-click a server in the JMX Navigator without a problem. But I still get the Unhandled loop exception right after connecting to the server.

> Unhandled event loop exception when connecting to WildFly/EAP in JMX Navigator
> ------------------------------------------------------------------------------
>
>                 Key: JBIDE-20669
>                 URL: https://issues.jboss.org/browse/JBIDE-20669
>             Project: Tools (JBoss Tools)
>          Issue Type: Bug
>          Components: jmx
>    Affects Versions: 4.3.0.CR1
>            Reporter: Martin Malina
>            Assignee: Rob Stryker
>
> I'm getting exceptions when I connect to a running server in JMX Navigator.
> I first noticed this with WildFly 10, but then verified it happens for WildFly 8.2.1 and EAP 6.4 also.
> The connection is established. But the only thing that works is MBeans - you can double click them and they will open, or you can just click one and the Property view will show details. But if you try to view properties of the connection itself, you will get more errors.
> The initial error is this:
> {code}
> Unhandled event loop exception
> org.eclipse.swt.SWTException: Failed to execute runnable (org.eclipse.core.runtime.AssertionFailedException: null argument:)
> 	at org.eclipse.swt.SWT.error(SWT.java:4491)
> 	at org.eclipse.swt.SWT.error(SWT.java:4406)
> 	at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:138)
> 	at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4024)
> 	at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3700)
> 	at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$4.run(PartRenderingEngine.java:1127)
> 	at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:337)
> 	at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1018)
> 	at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:156)
> 	at org.eclipse.ui.internal.Workbench$5.run(Workbench.java:654)
> 	at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:337)
> 	at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:598)
> 	at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:150)
> 	at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:139)
> 	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:380)
> 	at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:235)
> 	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:497)
> 	at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:669)
> 	at org.eclipse.equinox.launcher.Main.basicRun(Main.java:608)
> 	at org.eclipse.equinox.launcher.Main.run(Main.java:1515)
> Caused by: org.eclipse.core.runtime.AssertionFailedException: null argument:
> 	at org.eclipse.core.runtime.Assert.isNotNull(Assert.java:85)
> 	at org.eclipse.core.runtime.Assert.isNotNull(Assert.java:73)
> 	at org.eclipse.jface.viewers.StructuredViewer.assertElementsNotNull(StructuredViewer.java:583)
> 	at org.eclipse.jface.viewers.AbstractTreeViewer.setExpandedTreePaths(AbstractTreeViewer.java:2448)
> 	at org.jboss.tools.jmx.ui.internal.views.navigator.MBeanExplorerContentProvider$1$1.run(MBeanExplorerContentProvider.java:208)
> 	at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35)
> 	at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:135)
> 	... 23 more
> {code}
> When you right-click the server in JMX Navigator, you get this:
> {code}
> Problems occurred when invoking code from plug-in: "org.eclipse.ui.navigator".
> java.lang.NullPointerException
> 	at org.jboss.ide.eclipse.as.jmx.integration.jvmmonitor.JBossActiveJvm.<init>(JBossActiveJvm.java:70)
> 	at org.jboss.ide.eclipse.as.jmx.integration.JBossServerConnection.getActiveJvm(JBossServerConnection.java:379)
> 	at org.jboss.tools.jmx.local.internal.actions.AttachActionProvider.fillContextMenu(AttachActionProvider.java:55)
> 	at org.eclipse.ui.navigator.NavigatorActionService$2.run(NavigatorActionService.java:225)
> 	at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
> 	at org.eclipse.ui.navigator.NavigatorActionService.addCommonActionProviderMenu(NavigatorActionService.java:219)
> 	at org.eclipse.ui.navigator.NavigatorActionService.fillContextMenu(NavigatorActionService.java:174)
> 	at org.eclipse.ui.navigator.CommonNavigatorManager.fillContextMenu(CommonNavigatorManager.java:267)
> 	at org.eclipse.ui.navigator.CommonNavigatorManager$3.menuAboutToShow(CommonNavigatorManager.java:283)
> 	at org.eclipse.jface.action.MenuManager.fireAboutToShow(MenuManager.java:333)
> 	at org.eclipse.jface.action.MenuManager.handleAboutToShow(MenuManager.java:466)
> 	at org.eclipse.jface.action.MenuManager.access$1(MenuManager.java:461)
> 	at org.eclipse.jface.action.MenuManager$2.menuShown(MenuManager.java:493)
> 	at org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:255)
> 	at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)
> 	at org.eclipse.swt.widgets.Display.sendEvent(Display.java:4230)
> 	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1491)
> 	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1514)
> 	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1495)
> 	at org.eclipse.swt.widgets.Menu.menuWillOpen(Menu.java:811)
> 	at org.eclipse.swt.widgets.Display.windowProc(Display.java:5746)
> 	at org.eclipse.swt.internal.cocoa.OS.objc_msgSend(Native Method)
> 	at org.eclipse.swt.internal.cocoa.NSMenu.popUpContextMenu(NSMenu.java:77)
> 	at org.eclipse.swt.widgets.Menu._setVisible(Menu.java:280)
> 	at org.eclipse.swt.widgets.Display.runPopups(Display.java:4149)
> 	at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3691)
> 	at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$4.run(PartRenderingEngine.java:1127)
> 	at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:337)
> 	at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1018)
> 	at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:156)
> 	at org.eclipse.ui.internal.Workbench$5.run(Workbench.java:654)
> 	at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:337)
> 	at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:598)
> 	at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:150)
> 	at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:139)
> 	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:380)
> 	at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:235)
> 	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:497)
> 	at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:669)
> 	at org.eclipse.equinox.launcher.Main.basicRun(Main.java:608)
> 	at org.eclipse.equinox.launcher.Main.run(Main.java:1515)
> {code}
> And also a NPE:
> {code}
> java.lang.NullPointerException
> java.lang.NullPointerException
> 	at org.jboss.ide.eclipse.as.jmx.integration.jvmmonitor.JBossActiveJvm.<init>(JBossActiveJvm.java:70)
> 	at org.jboss.ide.eclipse.as.jmx.integration.JBossServerConnection.getActiveJvm(JBossServerConnection.java:379)
> 	at org.jboss.tools.jmx.local.internal.actions.AttachActionProvider.fillContextMenu(AttachActionProvider.java:55)
> 	at org.eclipse.ui.navigator.NavigatorActionService$2.run(NavigatorActionService.java:225)
> 	at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
> 	at org.eclipse.ui.navigator.NavigatorActionService.addCommonActionProviderMenu(NavigatorActionService.java:219)
> 	at org.eclipse.ui.navigator.NavigatorActionService.fillContextMenu(NavigatorActionService.java:174)
> 	at org.eclipse.ui.navigator.CommonNavigatorManager.fillContextMenu(CommonNavigatorManager.java:267)
> 	at org.eclipse.ui.navigator.CommonNavigatorManager$3.menuAboutToShow(CommonNavigatorManager.java:283)
> 	at org.eclipse.jface.action.MenuManager.fireAboutToShow(MenuManager.java:333)
> 	at org.eclipse.jface.action.MenuManager.handleAboutToShow(MenuManager.java:466)
> 	at org.eclipse.jface.action.MenuManager.access$1(MenuManager.java:461)
> 	at org.eclipse.jface.action.MenuManager$2.menuShown(MenuManager.java:493)
> 	at org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:255)
> 	at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)
> 	at org.eclipse.swt.widgets.Display.sendEvent(Display.java:4230)
> 	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1491)
> 	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1514)
> 	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1495)
> 	at org.eclipse.swt.widgets.Menu.menuWillOpen(Menu.java:811)
> 	at org.eclipse.swt.widgets.Display.windowProc(Display.java:5746)
> 	at org.eclipse.swt.internal.cocoa.OS.objc_msgSend(Native Method)
> 	at org.eclipse.swt.internal.cocoa.NSMenu.popUpContextMenu(NSMenu.java:77)
> 	at org.eclipse.swt.widgets.Menu._setVisible(Menu.java:280)
> 	at org.eclipse.swt.widgets.Display.runPopups(Display.java:4149)
> 	at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3691)
> 	at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$4.run(PartRenderingEngine.java:1127)
> 	at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:337)
> 	at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1018)
> 	at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:156)
> 	at org.eclipse.ui.internal.Workbench$5.run(Workbench.java:654)
> 	at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:337)
> 	at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:598)
> 	at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:150)
> 	at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:139)
> 	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:380)
> 	at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:235)
> 	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:497)
> 	at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:669)
> 	at org.eclipse.equinox.launcher.Main.basicRun(Main.java:608)
> 	at org.eclipse.equinox.launcher.Main.run(Main.java:1515)
> {code}
> I'm using JBDS 9.0.0.CR1 B100 running on Oracle JDK 1.8 on OS X.



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