Hi jeffmaury, I tried to uninstall Ij 2019.1 and install Ij 2018.3.6 and then install the Openshift plugin on it, now the plugin fails to load the Openshift tool window when I start the IDE, i see below error, does this tell its having trouble accessing the remote open-shift cluster?
failed to init toolwindow org.jboss.tools.intellij.openshift.WindowToolFactory
java.lang.NullPointerException
at org.jboss.tools.intellij.openshift.tree.ClustersTreeModel.getChildren(ClustersTreeModel.java:47)
at com.intellij.ui.tree.BaseTreeModel.getChildCount(BaseTreeModel.java:23)
at com.intellij.ui.tree.BaseTreeModel.isLeaf(BaseTreeModel.java:18)
at javax.swing.JTree.setModel(JTree.java:877)
at javax.swing.JTree.<init>(JTree.java:670)
at com.intellij.ui.treeStructure.Tree.<init>(Tree.java:61)
at org.jboss.tools.intellij.openshift.WindowToolFactory.createToolWindowContent(WindowToolFactory.java:38)
at com.intellij.openapi.wm.impl.ToolWindowImpl.ensureContentInitialized(ToolWindowImpl.java:530)
at com.intellij.openapi.wm.impl.ToolWindowManagerImpl.lambda$initToolWindow$8(ToolWindowManagerImpl.java:514)
at com.intellij.openapi.wm.impl.ToolWindowManagerImpl.initToolWindow(ToolWindowManagerImpl.java:517)
at com.intellij.openapi.wm.impl.ToolWindowManagerImpl$6.run(ToolWindowManagerImpl.java:469)
at com.intellij.openapi.wm.impl.CommandProcessor.runNext(CommandProcessor.java:78)
at com.intellij.openapi.wm.impl.CommandProcessor.run(CommandProcessor.java:59)
at com.intellij.openapi.wm.impl.commands.FinalizableCommand.finish(FinalizableCommand.java:36)
at com.intellij.openapi.wm.impl.ToolWindowsPane$AddToolStripeButtonCmd.run(ToolWindowsPane.java:970)
at com.intellij.openapi.wm.impl.CommandProcessor.runNext(CommandProcessor.java:78)
at com.intellij.openapi.wm.impl.CommandProcessor.run(CommandProcessor.java:59)
at com.intellij.openapi.wm.impl.commands.FinalizableCommand.finish(FinalizableCommand.java:36)
at com.intellij.openapi.wm.impl.ToolWindowsPane$AddToolStripeButtonCmd.run(ToolWindowsPane.java:970)
at com.intellij.openapi.wm.impl.CommandProcessor.runNext(CommandProcessor.java:78)
at com.intellij.openapi.wm.impl.CommandProcessor.run(CommandProcessor.java:59)
at com.intellij.openapi.wm.impl.commands.FinalizableCommand.finish(FinalizableCommand.java:36)
at com.intellij.openapi.wm.impl.ToolWindowsPane$AddToolStripeButtonCmd.run(ToolWindowsPane.java:970)
at com.intellij.openapi.wm.impl.CommandProcessor.runNext(CommandProcessor.java:78)
at com.intellij.openapi.wm.impl.CommandProcessor.run(CommandProcessor.java:59)
at com.intellij.openapi.wm.impl.commands.FinalizableCommand.finish(FinalizableCommand.java:36)
at com.intellij.openapi.wm.impl.ToolWindowsPane$AddToolStripeButtonCmd.run(ToolWindowsPane.java:970)
at com.intellij.openapi.wm.impl.CommandProcessor.runNext(CommandProcessor.java:78)
at com.intellij.openapi.wm.impl.CommandProcessor.run(CommandProcessor.java:59)
at com.intellij.openapi.wm.impl.commands.FinalizableCommand.finish(FinalizableCommand.java:36)
at com.intellij.openapi.wm.impl.ToolWindowsPane$AddToolStripeButtonCmd.run(ToolWindowsPane.java:970)
at com.intellij.openapi.wm.impl.CommandProcessor.runNext(CommandProcessor.java:78)
at com.intellij.openapi.wm.impl.CommandProcessor.run(CommandProcessor.java:59)
at com.intellij.openapi.wm.impl.commands.FinalizableCommand.finish(FinalizableCommand.java:36)
at com.intellij.openapi.wm.impl.ToolWindowsPane$AddToolStripeButtonCmd.run(ToolWindowsPane.java:970)
at com.intellij.openapi.wm.impl.CommandProcessor.runNext(CommandProcessor.java:78)
at com.intellij.openapi.wm.impl.CommandProcessor.run(CommandProcessor.java:59)
at com.intellij.openapi.wm.impl.commands.FinalizableCommand.finish(FinalizableCommand.java:36)
at com.intellij.openapi.wm.impl.ToolWindowsPane$AddToolStripeButtonCmd.run(ToolWindowsPane.java:970)
at com.intellij.openapi.wm.impl.CommandProcessor.runNext(CommandProcessor.java:78)
at com.intellij.openapi.wm.impl.CommandProcessor.run(CommandProcessor.java:59)
at com.intellij.openapi.wm.impl.commands.FinalizableCommand.finish(FinalizableCommand.java:36)
at com.intellij.openapi.wm.impl.ToolWindowsPane$AddToolStripeButtonCmd.run(ToolWindowsPane.java:970)
at com.intellij.openapi.wm.impl.CommandProcessor.runNext(CommandProcessor.java:78)
at com.intellij.openapi.wm.impl.CommandProcessor.run(CommandProcessor.java:59)
at com.intellij.openapi.wm.impl.CommandProcessor.flush(CommandProcessor.java:32)
at com.intellij.openapi.wm.impl.ToolWindowManagerImpl.flushCommands(ToolWindowManagerImpl.java:600)
at com.intellij.openapi.wm.impl.ToolWindowManagerImpl.access$3200(ToolWindowManagerImpl.java:69)
at com.intellij.openapi.wm.impl.ToolWindowManagerImpl$InitToolWindowsActivity.lambda$runActivity$0(ToolWindowManagerImpl.java:2318)
at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:311)
at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:762)
at java.awt.EventQueue.access$500(EventQueue.java:98)
at java.awt.EventQueue$3.run(EventQueue.java:715)
at java.awt.EventQueue$3.run(EventQueue.java:709)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:80)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:732)
at com.intellij.ide.IdeEventQueue.defaultDispatchEvent(IdeEventQueue.java:719)
at com.intellij.ide.IdeEventQueue._dispatchEvent(IdeEventQueue.java:668)
at com.intellij.ide.IdeEventQueue.dispatchEvent(IdeEventQueue.java:363)
at com.intellij.ide.IdeEventQueue.pumpEventsForHierarchy(IdeEventQueue.java:776)
at com.intellij.openapi.progress.util.ProgressWindow.startBlocking(ProgressWindow.java:202)
at com.intellij.openapi.progress.util.ProgressWindow.startBlocking(ProgressWindow.java:188)
at com.intellij.openapi.application.impl.ApplicationImpl.runProcessWithProgressSynchronously(ApplicationImpl.java:606)
at com.intellij.openapi.progress.impl.CoreProgressManager.runProcessWithProgressSynchronously(CoreProgressManager.java:454)
at com.intellij.openapi.progress.impl.ProgressManagerImpl.runProcessWithProgressSynchronously(ProgressManagerImpl.java:110)
at com.intellij.openapi.progress.impl.CoreProgressManager.runProcessWithProgressSynchronously(CoreProgressManager.java:251)
at com.intellij.openapi.progress.impl.CoreProgressManager.runProcessWithProgressSynchronously(CoreProgressManager.java:205)
at com.intellij.openapi.project.impl.ProjectManagerImpl.loadProjectUnderProgress(ProjectManagerImpl.java:448)
at com.intellij.openapi.project.impl.ProjectManagerImpl.openProject(ProjectManagerImpl.java:423)
at com.intellij.platform.PlatformProjectOpenProcessor.doOpenProject(PlatformProjectOpenProcessor.java:254)
at com.intellij.ide.RecentProjectsManagerBase.doOpenProject(RecentProjectsManagerBase.java:578)
at com.intellij.ide.RecentProjectsManagerBase.doReopenLastProject(RecentProjectsManagerBase.java:697)
at com.intellij.ide.RecentProjectsManagerBase$MyAppLifecycleListener.appStarting(RecentProjectsManagerBase.java:742)
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 com.intellij.util.messages.impl.MessageBusConnectionImpl.deliverMessage(MessageBusConnectionImpl.java:117)
at com.intellij.util.messages.impl.MessageBusImpl.doPumpMessages(MessageBusImpl.java:397)
at com.intellij.util.messages.impl.MessageBusImpl.pumpWaitingBuses(MessageBusImpl.java:358)
at com.intellij.util.messages.impl.MessageBusImpl.pumpMessages(MessageBusImpl.java:347)
at com.intellij.util.messages.impl.MessageBusImpl.sendMessage(MessageBusImpl.java:324)
at com.intellij.util.messages.impl.MessageBusImpl.access$200(MessageBusImpl.java:29)
at com.intellij.util.messages.impl.MessageBusImpl$2.invoke(MessageBusImpl.java:196)
at com.sun.proxy.$Proxy54.appStarting(Unknown Source)
at com.intellij.idea.IdeaApplication$IdeStarter.lambda$main$1(IdeaApplication.java:372)
at com.intellij.openapi.application.TransactionGuardImpl.runSyncTransaction(TransactionGuardImpl.java:88)
at com.intellij.openapi.application.TransactionGuardImpl.lambda$submitTransaction$1(TransactionGuardImpl.java:111)
at com.intellij.openapi.application.TransactionGuardImpl.submitTransaction(TransactionGuardImpl.java:120)
at com.intellij.openapi.application.TransactionGuard.submitTransaction(TransactionGuard.java:122)
at com.intellij.idea.IdeaApplication$IdeStarter.main(IdeaApplication.java:370)
at com.intellij.idea.IdeaApplication.lambda$run$1(IdeaApplication.java:211)
at com.intellij.openapi.application.TransactionGuardImpl.performUserActivity(TransactionGuardImpl.java:195)
at com.intellij.idea.IdeaApplication.run(IdeaApplication.java:211)
at com.intellij.idea.IdeaApplication.lambda$initApplication$0(IdeaApplication.java:74)
at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:311)
at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:762)
at java.awt.EventQueue.access$500(EventQueue.java:98)
at java.awt.EventQueue$3.run(EventQueue.java:715)
at java.awt.EventQueue$3.run(EventQueue.java:709)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:80)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:732)
at com.intellij.ide.IdeEventQueue.dispatchEvent(IdeEventQueue.java:342)
at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:201)
at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:116)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:105)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:93)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:82)