ClassNotFoundException when clicking on any server in Servers view ------------------------------------------------------------------ Key: JBIDE-23419 URL: https://issues.jboss.org/browse/JBIDE-23419 Project: Tools (JBoss Tools) Issue Type: Bug Components: docker, server Affects Versions: 4.4.2.AM3 Reporter: Martin Malina Today I opened up my laptop with a running devstudio [1]. And now whenever I click on a server in Servers view (I have a cdk and wildfly 10.1 set up), I get an error pop up. {code} An error has occurred. See error log for more details. java.lang.ClassNotFoundException: Provider org.glassfish.jersey.internal.RuntimeDelegateImpl could not be instantiated: java.lang.IllegalStateException: No generator was provided and there is no default generator registered {code} Error Log view contains a bit more information: {code} Problems occurred when invoking code from plug-in: "org.eclipse.jface". java.lang.RuntimeException: java.lang.ClassNotFoundException: Provider org.glassfish.jersey.internal.RuntimeDelegateImpl could not be instantiated: java.lang.IllegalStateException: No generator was provided and there is no default generator registered at javax.ws.rs.ext.RuntimeDelegate.findDelegate(RuntimeDelegate.java:152) at javax.ws.rs.ext.RuntimeDelegate.getInstance(RuntimeDelegate.java:120) at javax.ws.rs.core.UriBuilder.newInstance(UriBuilder.java:95) at javax.ws.rs.core.UriBuilder.fromUri(UriBuilder.java:106) at org.glassfish.jersey.client.JerseyWebTarget.<init>(JerseyWebTarget.java:82) at org.glassfish.jersey.client.JerseyClient.target(JerseyClient.java:192) at org.glassfish.jersey.client.JerseyClient.target(JerseyClient.java:70) at com.spotify.docker.client.DefaultDockerClient.ping(DefaultDockerClient.java:330) at org.eclipse.linuxtools.internal.docker.core.DockerConnection.ping(DockerConnection.java:324) at org.eclipse.linuxtools.internal.docker.core.DockerConnection.open(DockerConnection.java:270) at org.eclipse.linuxtools.internal.docker.core.DefaultTCPConnectionSettingsProvider.getConnectionSettings(DefaultTCPConnectionSettingsProvider.java:30) at org.eclipse.linuxtools.internal.docker.core.DefaultDockerConnectionSettingsFinder.getKnownConnectionSettings(DefaultDockerConnectionSettingsFinder.java:265) at org.eclipse.linuxtools.docker.core.DockerConnectionManager.reloadConnections(DockerConnectionManager.java:60) at org.eclipse.linuxtools.docker.core.DockerConnectionManager.<init>(DockerConnectionManager.java:50) at org.eclipse.linuxtools.docker.core.DockerConnectionManager.getInstance(DockerConnectionManager.java:44) at org.jboss.tools.openshift.cdk.server.core.internal.listeners.CDKDockerUtility.<init>(CDKDockerUtility.java:29) at org.jboss.tools.openshift.cdk.server.ui.internal.view.CDKActionProvider$ShowInDockerViewAfterStartupAction.adaptToViewItem(CDKActionProvider.java:104) at org.jboss.tools.openshift.cdk.server.ui.internal.view.CDKActionProvider$ShowInViewAfterStartupAction.accept(CDKActionProvider.java:182) at org.eclipse.wst.server.ui.internal.view.servers.AbstractServerAction.selectionChanged(AbstractServerAction.java:85) at org.jboss.tools.openshift.cdk.server.ui.internal.view.CDKActionProvider$ShowInViewAfterStartupAction.selectionChanged(CDKActionProvider.java:198) at org.eclipse.ui.actions.SelectionProviderAction.selectionChanged(SelectionProviderAction.java:144) at org.eclipse.jface.viewers.Viewer$1.run(Viewer.java:158) at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42) at org.eclipse.ui.internal.JFaceUtil$1.run(JFaceUtil.java:50) at org.eclipse.jface.util.SafeRunnable.run(SafeRunnable.java:173) at org.eclipse.jface.viewers.Viewer.fireSelectionChanged(Viewer.java:155) at org.eclipse.jface.viewers.StructuredViewer.updateSelection(StructuredViewer.java:2191) at org.eclipse.jface.viewers.StructuredViewer.handleSelect(StructuredViewer.java:1229) at org.eclipse.ui.navigator.CommonViewer.handleSelect(CommonViewer.java:463) at org.eclipse.jface.viewers.StructuredViewer$4.widgetSelected(StructuredViewer.java:1258) at org.eclipse.jface.util.OpenStrategy.fireSelectionEvent(OpenStrategy.java:242) at org.eclipse.jface.util.OpenStrategy.access$4(OpenStrategy.java:236) at org.eclipse.jface.util.OpenStrategy$1.handleEvent(OpenStrategy.java:405) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84) at org.eclipse.swt.widgets.Display.sendEvent(Display.java:4248) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1501) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1524) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1509) at org.eclipse.swt.widgets.Widget.notifyListeners(Widget.java:1313) at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:4072) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3698) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$4.run(PartRenderingEngine.java:1121) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:336) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1022) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:150) at org.eclipse.ui.internal.Workbench$5.run(Workbench.java:687) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:336) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:604) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:148) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:138) 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:673) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:610) at org.eclipse.equinox.launcher.Main.run(Main.java:1519) Caused by: java.lang.ClassNotFoundException: Provider org.glassfish.jersey.internal.RuntimeDelegateImpl could not be instantiated: java.lang.IllegalStateException: No generator was provided and there is no default generator registered at javax.ws.rs.ext.FactoryFinder.newInstance(FactoryFinder.java:122) at javax.ws.rs.ext.FactoryFinder.find(FactoryFinder.java:225) at javax.ws.rs.ext.RuntimeDelegate.findDelegate(RuntimeDelegate.java:135) ... 61 more Caused by: java.lang.IllegalStateException: No generator was provided and there is no default generator registered at org.glassfish.hk2.internal.ServiceLocatorFactoryImpl.internalCreate(ServiceLocatorFactoryImpl.java:266) at org.glassfish.hk2.internal.ServiceLocatorFactoryImpl.create(ServiceLocatorFactoryImpl.java:247) at org.glassfish.jersey.internal.inject.Injections._createLocator(Injections.java:138) at org.glassfish.jersey.internal.inject.Injections.createLocator(Injections.java:109) at org.glassfish.jersey.internal.RuntimeDelegateImpl.<init>(RuntimeDelegateImpl.java:61) at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.lang.reflect.Constructor.newInstance(Constructor.java:423) at java.lang.Class.newInstance(Class.java:442) at javax.ws.rs.ext.FactoryFinder.newInstance(FactoryFinder.java:118) ... 63 more {code} I'm reporting this before it disappears. I don't have any way to replicate. I know it's not very helpful. I've never seen this before. [1] devstudio-10.2.0.AM3-v20161024-1202-B6286-installer-standalone.jar