NullReference Exception on load in CasbinExecutorToolWindow

[hdocsek]

I get the following exception when loading the plugin, am I missing any prerequisites?

• Jetbrains Rider: 2023.1.1
• Casbin Plugin: 0.1.12

java.lang.NullPointerException: Cannot invoke "java.net.URL.toExternalForm()" because "location" is null
    at java.desktop/javax.swing.ImageIcon.<init>(ImageIcon.java:234)
    at io.github.will7200.plugins.casbin.view.ui.CasbinExecutorToolWindow.$$$setupUI$$$(CasbinExecutorToolWindow.java)
    at io.github.will7200.plugins.casbin.view.ui.CasbinExecutorToolWindow.<init>(CasbinExecutorToolWindow.java:32)
    at io.github.will7200.plugins.casbin.view.ui.CasbinExecutorToolWindowImp.<init>(CasbinExecutorToolWindowImp.kt:17)
    at io.github.will7200.plugins.casbin.view.ui.CasbinToolWindowFactory.createToolWindowContent(CasbinToolWindowFactory.kt:16)
    at com.intellij.openapi.wm.impl.ToolWindowImpl.createContentIfNeeded(ToolWindowImpl.kt:548)
    at com.intellij.openapi.wm.impl.ToolWindowImpl.scheduleContentInitializationIfNeeded$intellij_platform_ide_impl(ToolWindowImpl.kt:527)
    at com.intellij.openapi.wm.impl.ToolWindowManagerImpl.doShowWindow(ToolWindowManagerImpl.kt:983)
    at com.intellij.openapi.wm.impl.ToolWindowManagerImpl.showToolWindowImpl(ToolWindowManagerImpl.kt:920)
    at com.intellij.openapi.wm.impl.ToolWindowManagerImpl.activateToolWindow$intellij_platform_ide_impl(ToolWindowManagerImpl.kt:629)
    at com.intellij.openapi.wm.impl.ToolWindowManagerImpl.activateToolWindow$intellij_platform_ide_impl$default(ToolWindowManagerImpl.kt:599)
    at com.intellij.openapi.wm.impl.ToolWindowManagerImpl.activated$intellij_platform_ide_impl(ToolWindowManagerImpl.kt:1979)
    at com.intellij.openapi.wm.impl.SquareAnActionButton.setSelected(SquareStripeButton.kt:156)
    at com.intellij.ui.ToggleActionButton.actionPerformed(ToggleActionButton.java:42)
    at com.intellij.openapi.actionSystem.impl.ActionButton.actionPerformed(ActionButton.java:228)
    at com.intellij.openapi.actionSystem.impl.ActionButton.lambda$performAction$2(ActionButton.java:207)
    at com.intellij.openapi.actionSystem.ex.ActionUtil.performDumbAwareWithCallbacks(ActionUtil.java:356)
    at com.intellij.openapi.actionSystem.impl.ActionButton.performAction(ActionButton.java:207)
    at com.intellij.openapi.actionSystem.impl.ActionButton.processMouseEvent(ActionButton.java:518)
    at java.desktop/java.awt.Component.processEvent(Component.java:6421)
    at java.desktop/java.awt.Container.processEvent(Container.java:2266)
    at java.desktop/java.awt.Component.dispatchEventImpl(Component.java:5026)
    at java.desktop/java.awt.Container.dispatchEventImpl(Container.java:2324)
    at java.desktop/java.awt.Component.dispatchEvent(Component.java:4854)
    at java.desktop/java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4948)
    at java.desktop/java.awt.LightweightDispatcher.processMouseEvent(Container.java:4575)
    at java.desktop/java.awt.LightweightDispatcher.dispatchEvent(Container.java:4516)
    at java.desktop/java.awt.Container.dispatchEventImpl(Container.java:2310)
    at java.desktop/java.awt.Window.dispatchEventImpl(Window.java:2804)
    at java.desktop/java.awt.Component.dispatchEvent(Component.java:4854)
    at java.desktop/java.awt.EventQueue.dispatchEventImpl(EventQueue.java:790)
    at java.desktop/java.awt.EventQueue$3.run(EventQueue.java:739)
    at java.desktop/java.awt.EventQueue$3.run(EventQueue.java:731)
    at java.base/java.security.AccessController.doPrivileged(AccessController.java:399)
    at java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:86)
    at java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:97)
    at java.desktop/java.awt.EventQueue$4.run(EventQueue.java:763)
    at java.desktop/java.awt.EventQueue$4.run(EventQueue.java:761)
    at java.base/java.security.AccessController.doPrivileged(AccessController.java:399)
    at java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:86)
    at java.desktop/java.awt.EventQueue.dispatchEvent(EventQueue.java:760)
    at com.intellij.ide.IdeEventQueue.defaultDispatchEvent(IdeEventQueue.kt:666)
    at com.intellij.ide.IdeEventQueue.dispatchMouseEvent(IdeEventQueue.kt:614)
    at com.intellij.ide.IdeEventQueue._dispatchEvent(IdeEventQueue.kt:569)
    at com.intellij.ide.IdeEventQueue.access$_dispatchEvent(IdeEventQueue.kt:68)
    at com.intellij.ide.IdeEventQueue$dispatchEvent$processEventRunnable$1$1$1.compute(IdeEventQueue.kt:349)
    at com.intellij.ide.IdeEventQueue$dispatchEvent$processEventRunnable$1$1$1.compute(IdeEventQueue.kt:348)
    at com.intellij.openapi.progress.impl.CoreProgressManager.computePrioritized(CoreProgressManager.java:787)
    at com.intellij.ide.IdeEventQueue$dispatchEvent$processEventRunnable$1$1.invoke(IdeEventQueue.kt:348)
    at com.intellij.ide.IdeEventQueue$dispatchEvent$processEventRunnable$1$1.invoke(IdeEventQueue.kt:343)
    at com.intellij.ide.IdeEventQueueKt.performActivity$lambda$1(IdeEventQueue.kt:994)
    at com.intellij.openapi.application.TransactionGuardImpl.performActivity(TransactionGuardImpl.java:113)
    at com.intellij.ide.IdeEventQueueKt.performActivity(IdeEventQueue.kt:994)
    at com.intellij.ide.IdeEventQueue.dispatchEvent$lambda$4(IdeEventQueue.kt:343)
    at com.intellij.openapi.application.impl.ApplicationImpl.runIntendedWriteActionOnCurrentThread(ApplicationImpl.java:831)
    at com.intellij.ide.IdeEventQueue.dispatchEvent(IdeEventQueue.kt:385)
    at java.desktop/java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:207)
    at java.desktop/java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:128)
    at java.desktop/java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:117)
    at java.desktop/java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:113)
    at java.desktop/java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:105)
    at java.desktop/java.awt.EventDispatchThread.run(EventDispatchThread.java:92)

[will7200]

Thank you for reporting. I just released a newer version that affected versions after 2022.*, so hopefully this coincides.

[will7200]

Found the issue for this one. A change in 2023.* changed how IDE icons work. Pushing a updated version out

[sheepsong]

Still facing java.lang.NullPointerException exception after upgrade to latest version.

com.intellij.diagnostic.PluginException: Cannot init toolwindow io.github.will7200.plugins.casbin.view.ui.CasbinToolWindowFactory@7d194b71 [Plugin: io.github.will7200.plugins.casbin] at com.intellij.toolWindow.ToolWindowSetInitializerKt.registerToolWindows(ToolWindowSetInitializer.kt:188) at com.intellij.toolWindow.ToolWindowSetInitializerKt.access$registerToolWindows(ToolWindowSetInitializer.kt:1) at com.intellij.toolWindow.ToolWindowSetInitializer$createAndLayoutToolWindows$entries$1.invokeSuspend(ToolWindowSetInitializer.kt:125) at kotlin.coroutines.jvm.internal.BaseContinuationImpl.resumeWith(ContinuationImpl.kt:33) at kotlinx.coroutines.DispatchedTask.run(DispatchedTask.kt:106) at com.intellij.openapi.application.TransactionGuardImpl$1.run(TransactionGuardImpl.java:194) at com.intellij.openapi.application.impl.ApplicationImpl.runIntendedWriteActionOnCurrentThread(ApplicationImpl.java:831) at com.intellij.openapi.application.impl.ApplicationImpl$3.run(ApplicationImpl.java:456) at com.intellij.openapi.application.impl.FlushQueue.doRun(FlushQueue.java:79) at com.intellij.openapi.application.impl.FlushQueue.runNextEvent(FlushQueue.java:122) at com.intellij.openapi.application.impl.FlushQueue.flushNow(FlushQueue.java:41) at java.desktop/java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:318) at java.desktop/java.awt.EventQueue.dispatchEventImpl(EventQueue.java:788) at java.desktop/java.awt.EventQueue$3.run(EventQueue.java:739) at java.desktop/java.awt.EventQueue$3.run(EventQueue.java:731) at java.base/java.security.AccessController.doPrivileged(AccessController.java:399) at java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:86) at java.desktop/java.awt.EventQueue.dispatchEvent(EventQueue.java:758) at com.intellij.ide.IdeEventQueue.defaultDispatchEvent(IdeEventQueue.kt:667) at com.intellij.ide.IdeEventQueue._dispatchEvent$lambda$7(IdeEventQueue.kt:571) at com.intellij.openapi.application.impl.ApplicationImpl.withoutImplicitRead(ApplicationImpl.java:1446) at com.intellij.ide.IdeEventQueue._dispatchEvent(IdeEventQueue.kt:571) at com.intellij.ide.IdeEventQueue.access$_dispatchEvent(IdeEventQueue.kt:68) at com.intellij.ide.IdeEventQueue$dispatchEvent$processEventRunnable$1$1$1.compute(IdeEventQueue.kt:349) at com.intellij.ide.IdeEventQueue$dispatchEvent$processEventRunnable$1$1$1.compute(IdeEventQueue.kt:348) at com.intellij.openapi.progress.impl.CoreProgressManager.computePrioritized(CoreProgressManager.java:787) at com.intellij.ide.IdeEventQueue$dispatchEvent$processEventRunnable$1$1.invoke(IdeEventQueue.kt:348) at com.intellij.ide.IdeEventQueue$dispatchEvent$processEventRunnable$1$1.invoke(IdeEventQueue.kt:343) at com.intellij.ide.IdeEventQueueKt.performActivity$lambda$1(IdeEventQueue.kt:995) at com.intellij.openapi.application.TransactionGuardImpl.performActivity(TransactionGuardImpl.java:105) at com.intellij.ide.IdeEventQueueKt.performActivity(IdeEventQueue.kt:995) at com.intellij.ide.IdeEventQueue.dispatchEvent$lambda$4(IdeEventQueue.kt:343) at com.intellij.openapi.application.impl.ApplicationImpl.runIntendedWriteActionOnCurrentThread(ApplicationImpl.java:831) at com.intellij.ide.IdeEventQueue.dispatchEvent(IdeEventQueue.kt:385) at java.desktop/java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:207) at java.desktop/java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:128) at java.desktop/java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:117) at java.desktop/java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:113) at java.desktop/java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:105) at java.desktop/java.awt.EventDispatchThread.run(EventDispatchThread.java:92) Caused by: java.lang.NullPointerException: Cannot invoke "java.net.URL.toExternalForm()" because "location" is null at java.desktop/javax.swing.ImageIcon.(ImageIcon.java:234) at io.github.will7200.plugins.casbin.view.ui.CasbinExecutorToolWindow.$$$setupUI$$$(CasbinExecutorToolWindow.java:113) at io.github.will7200.plugins.casbin.view.ui.CasbinExecutorToolWindow.(CasbinExecutorToolWindow.java:36) at io.github.will7200.plugins.casbin.view.ui.CasbinExecutorToolWindowImp.(CasbinExecutorToolWindowImp.kt:17) at io.github.will7200.plugins.casbin.view.ui.CasbinToolWindowFactory.createToolWindowContent(CasbinToolWindowFactory.kt:17) at com.intellij.openapi.wm.impl.ToolWindowImpl.createContentIfNeeded(ToolWindowImpl.kt:548) at com.intellij.openapi.wm.impl.ToolWindowImpl.scheduleContentInitializationIfNeeded$intellij_platform_ide_impl(ToolWindowImpl.kt:527) at com.intellij.openapi.wm.impl.ToolWindowManagerImpl.doShowWindow(ToolWindowManagerImpl.kt:983) at com.intellij.openapi.wm.impl.ToolWindowManagerImpl.showToolWindowImpl(ToolWindowManagerImpl.kt:920) at com.intellij.openapi.wm.impl.ToolWindowManagerImpl.showToolWindowImpl$default(ToolWindowManagerImpl.kt:906) at com.intellij.openapi.wm.impl.ToolWindowManagerImpl.registerToolWindow$intellij_platform_ide_impl(ToolWindowManagerImpl.kt:1094) at com.intellij.toolWindow.ToolWindowSetInitializerKt.registerToolWindows(ToolWindowSetInitializer.kt:176) ... 39 more

[will7200]

I pushed out a newer version a couple of days ago. Let me know if the issue persists

[sheepsong]

It is working smoothly in goland 2023.1.2 for me now. @will7200

[hsluoyz]

Closed as resolved