java.lang.NullPointerException
at org.mvnsearch.intellij.plugin.zookeeper.ZkProjectComponent.reloadZkTree(ZkProjectComponent.java:176)
at org.mvnsearch.intellij.plugin.zookeeper.ui.ZkProjectConfigurable.apply(ZkProjectConfigurable.java:91)
at com.intellij.openapi.options.ex.ConfigurableWrapper.apply(ConfigurableWrapper.java:165)
at com.intellij.openapi.options.newEditor.ConfigurableEditor.apply(ConfigurableEditor.java:316)
at com.intellij.openapi.options.newEditor.SettingsEditor$5.apply(SettingsEditor.java:163)
at com.intellij.openapi.options.newEditor.ConfigurableEditor$2.actionPerformed(ConfigurableEditor.java:65)
at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:2022)
at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2348)
at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:402)
at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:259)
at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(BasicButtonListener.java:252)
at java.awt.Component.processMouseEvent(Component.java:6550)
at javax.swing.JComponent.processMouseEvent(JComponent.java:3325)
at java.awt.Component.processEvent(Component.java:6315)
at java.awt.Container.processEvent(Container.java:2239)
at java.awt.Component.dispatchEventImpl(Component.java:4899)
at java.awt.Container.dispatchEventImpl(Container.java:2297)
at java.awt.Component.dispatchEvent(Component.java:4721)
at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4904)
at java.awt.LightweightDispatcher.processMouseEvent(Container.java:4535)
at java.awt.LightweightDispatcher.dispatchEvent(Container.java:4476)
at java.awt.Container.dispatchEventImpl(Container.java:2283)
at java.awt.Window.dispatchEventImpl(Window.java:2746)
at java.awt.Component.dispatchEvent(Component.java:4721)
at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:766)
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:74)
at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:84)
at java.awt.EventQueue$4.run(EventQueue.java:739)
at java.awt.EventQueue$4.run(EventQueue.java:737)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:74)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:736)
at com.intellij.ide.IdeEventQueue.defaultDispatchEvent(IdeEventQueue.java:747)
at com.intellij.ide.IdeEventQueue._dispatchEvent(IdeEventQueue.java:692)
at com.intellij.ide.IdeEventQueue.dispatchEvent(IdeEventQueue.java:391)
at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:205)
at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:116)
at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:109)
at java.awt.WaitDispatchSupport$2.run(WaitDispatchSupport.java:190)
at java.awt.WaitDispatchSupport$4.run(WaitDispatchSupport.java:235)
at java.awt.WaitDispatchSupport$4.run(WaitDispatchSupport.java:233)
at java.security.AccessController.doPrivileged(Native Method)
at java.awt.WaitDispatchSupport.enter(WaitDispatchSupport.java:233)
at java.awt.Dialog.show(Dialog.java:1077)
at com.intellij.openapi.ui.impl.DialogWrapperPeerImpl$MyDialog.show(DialogWrapperPeerImpl.java:688)
at com.intellij.openapi.ui.impl.DialogWrapperPeerImpl.show(DialogWrapperPeerImpl.java:427)
at com.intellij.openapi.ui.DialogWrapper.invokeShow(DialogWrapper.java:1682)
at com.intellij.openapi.ui.DialogWrapper.show(DialogWrapper.java:1631)
at com.intellij.openapi.options.newEditor.SettingsDialog.lambda$show$0(SettingsDialog.java:73)
at com.intellij.openapi.application.TransactionGuardImpl.runSyncTransaction(TransactionGuardImpl.java:88)
at com.intellij.openapi.application.TransactionGuardImpl.submitTransactionAndWait(TransactionGuardImpl.java:153)
at com.intellij.openapi.options.newEditor.SettingsDialog.show(SettingsDialog.java:73)
at com.intellij.ide.actions.ShowSettingsUtilImpl.showSettingsDialog(ShowSettingsUtilImpl.java:84)
at com.intellij.ide.actions.ShowSettingsAction.perform(ShowSettingsAction.java:54)
at com.intellij.ide.MacOSApplicationProvider$Worker.lambda$null$1(MacOSApplicationProvider.java:104)
at com.intellij.ide.MacOSApplicationProvider$Worker.lambda$submit$7(MacOSApplicationProvider.java:177)
at com.intellij.openapi.application.TransactionGuardImpl.runSyncTransaction(TransactionGuardImpl.java:88)
at com.intellij.openapi.application.TransactionGuardImpl.lambda$pollQueueLater$0(TransactionGuardImpl.java:74)
at com.intellij.openapi.application.impl.LaterInvocator$FlushQueue.doRun(LaterInvocator.java:435)
at com.intellij.openapi.application.impl.LaterInvocator$FlushQueue.runNextEvent(LaterInvocator.java:419)
at com.intellij.openapi.application.impl.LaterInvocator$FlushQueue.run(LaterInvocator.java:403)
at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:311)
at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:764)
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:74)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:734)
at com.intellij.ide.IdeEventQueue.defaultDispatchEvent(IdeEventQueue.java:747)
at com.intellij.ide.IdeEventQueue._dispatchEvent(IdeEventQueue.java:696)
at com.intellij.ide.IdeEventQueue.dispatchEvent(IdeEventQueue.java:391)
at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:205)
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)