### Preflight Checklist - [x] I have searched [existing issues](https://github.com/anthropics/claude-code/issues?q=is%3Aissue%20state%3Aopen%20label%3Abug) and this hasn't been reported yet - [x] This is a single bug report (please file separate reports for different bugs) - [x] I am using the latest version of Claude Code ### What's Wrong? com.intellij.diagnostic.PluginException: Cannot init toolwindow com.hamdiwanis.claude.ClaudeCodeToolWindowFactory@5d5df0b7 [Plugin: com.hamdiwanis.claude]

[BUG]

Resolved 💬 2 comments Opened Jan 27, 2026 by 13521421213 Closed Mar 1, 2026

Preflight Checklist

[x] I have searched existing issues and this hasn't been reported yet
[x] This is a single bug report (please file separate reports for different bugs)
[x] I am using the latest version of Claude Code

What's Wrong?

com.intellij.diagnostic.PluginException: Cannot init toolwindow com.hamdiwanis.claude.ClaudeCodeToolWindowFactory@5d5df0b7 [Plugin: com.hamdiwanis.claude]
at com.intellij.toolWindow.ToolWindowSetInitializerKt.registerToolWindows(ToolWindowSetInitializer.kt:243)
at com.intellij.toolWindow.ToolWindowSetInitializerKt.access$registerToolWindows(ToolWindowSetInitializer.kt:1)
at com.intellij.toolWindow.ToolWindowSetInitializer$createAndLayoutToolWindows$entries$1$1.invokeSuspend(ToolWindowSetInitializer.kt:141)
at com.intellij.toolWindow.ToolWindowSetInitializer$createAndLayoutToolWindows$entries$1$1.invoke(ToolWindowSetInitializer.kt)
at com.intellij.toolWindow.ToolWindowSetInitializer$createAndLayoutToolWindows$entries$1$1.invoke(ToolWindowSetInitializer.kt)
at kotlinx.coroutines.intrinsics.UndispatchedKt.startUndispatchedOrReturn(Undispatched.kt:62)
at kotlinx.coroutines.BuildersKt__Builders_commonKt.withContext(Builders.common.kt:163)
at kotlinx.coroutines.BuildersKt.withContext(Unknown Source)
at com.intellij.platform.diagnostic.telemetry.impl.TracerKt.span(tracer.kt:53)
at com.intellij.platform.diagnostic.telemetry.impl.TracerKt.span$default(tracer.kt:48)
at com.intellij.toolWindow.ToolWindowSetInitializer$createAndLayoutToolWindows$entries$1.invokeSuspend(ToolWindowSetInitializer.kt:138)
at kotlin.coroutines.jvm.internal.BaseContinuationImpl.resumeWith(ContinuationImpl.kt:33)
at kotlinx.coroutines.DispatchedTask.run(DispatchedTask.kt:104)
at com.intellij.openapi.application.impl.EdtCoroutineDispatcher$wrapWithLocking$2$1.run(EdtCoroutineDispatcher.kt:71)
at com.intellij.openapi.application.WriteIntentReadAction.lambda$run$0(WriteIntentReadAction.java:24)
at com.intellij.openapi.application.impl.AnyThreadWriteThreadingSupport.runWriteIntentReadAction$lambda$6(AnyThreadWriteThreadingSupport.kt:274)
at com.intellij.openapi.application.impl.AnyThreadWriteThreadingSupport.runWithTemporaryThreadLocal(AnyThreadWriteThreadingSupport.kt:204)
at com.intellij.openapi.application.impl.AnyThreadWriteThreadingSupport.runWriteIntentReadAction(AnyThreadWriteThreadingSupport.kt:274)
at com.intellij.openapi.application.impl.AnyThreadWriteThreadingSupport.runWriteIntentReadAction(AnyThreadWriteThreadingSupport.kt:222)
at com.intellij.openapi.application.impl.ApplicationImpl.runWriteIntentReadAction(ApplicationImpl.java:1009)
at com.intellij.openapi.application.WriteIntentReadAction.compute(WriteIntentReadAction.java:55)
at com.intellij.openapi.application.WriteIntentReadAction.run(WriteIntentReadAction.java:23)
at com.intellij.openapi.application.impl.EdtCoroutineDispatcher$wrapWithLocking$$inlined$Runnable$2.run(Runnable.kt:15)
at com.intellij.openapi.application.TransactionGuardImpl$2.run(TransactionGuardImpl.java:225)
at com.intellij.openapi.application.impl.FlushQueue.runNextEvent(FlushQueue.java:117)
at com.intellij.openapi.application.impl.FlushQueue.flushNow(FlushQueue.java:43)
at java.desktop/java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:318)
at java.desktop/java.awt.EventQueue.dispatchEventImpl(EventQueue.java:781)
at java.desktop/java.awt.EventQueue$4.run(EventQueue.java:728)
at java.desktop/java.awt.EventQueue$4.run(EventQueue.java:722)
at java.base/java.security.AccessController.doPrivileged(AccessController.java:400)
at java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:87)
at java.desktop/java.awt.EventQueue.dispatchEvent(EventQueue.java:750)
at com.intellij.ide.IdeEventQueue.defaultDispatchEvent(IdeEventQueue.kt:585)
at com.intellij.ide.IdeEventQueue._dispatchEvent(IdeEventQueue.kt:482)
at com.intellij.ide.IdeEventQueue.dispatchEvent$lambda$12$lambda$11$lambda$10$lambda$9(IdeEventQueue.kt:307)
at com.intellij.openapi.progress.impl.CoreProgressManager.computePrioritized(CoreProgressManager.java:864)
at com.intellij.ide.IdeEventQueue.dispatchEvent$lambda$12$lambda$11$lambda$10(IdeEventQueue.kt:306)
at com.intellij.ide.IdeEventQueueKt.performActivity$lambda$3(IdeEventQueue.kt:958)
at com.intellij.openapi.application.TransactionGuardImpl.performActivity(TransactionGuardImpl.java:109)
at com.intellij.ide.IdeEventQueueKt.performActivity(IdeEventQueue.kt:958)
at com.intellij.ide.IdeEventQueue.dispatchEvent$lambda$12(IdeEventQueue.kt:301)
at com.intellij.ide.IdeEventQueue.dispatchEvent(IdeEventQueue.kt:341)
at java.desktop/java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:207)
at java.desktop/java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:128)
at java.desktop/java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:117)
at java.desktop/java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:113)
at java.desktop/java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:105)
at java.desktop/java.awt.EventDispatchThread.run(EventDispatchThread.java:92)
Caused by: java.lang.NullPointerException
at java.base/java.util.Objects.requireNonNull(Objects.java:233)
at org.jetbrains.plugins.terminal.ShellTerminalWidget.toShellJediTermWidgetOrThrow(ShellTerminalWidget.java:365)
at org.jetbrains.plugins.terminal.TerminalToolWindowManager.createLocalShellWidget(TerminalToolWindowManager.java:291)
at com.hamdiwanis.claude.ClaudeCodeToolWindowFactory.createToolWindowContent(ClaudeCodeToolWindowFactory.java:31)
at com.intellij.openapi.wm.impl.ToolWindowImpl.createContentIfNeeded(ToolWindowImpl.kt:695)
at com.intellij.openapi.wm.impl.ToolWindowImpl.scheduleContentInitializationIfNeeded$intellij_platform_ide_impl(ToolWindowImpl.kt:675)
at com.intellij.openapi.wm.impl.ToolWindowManagerImpl.doShowWindow(ToolWindowManagerImpl.kt:1095)
at com.intellij.openapi.wm.impl.ToolWindowManagerImpl.showToolWindowImpl(ToolWindowManagerImpl.kt:1029)
at com.intellij.openapi.wm.impl.ToolWindowManagerImpl.showToolWindowImpl$default(ToolWindowManagerImpl.kt:1010)
at com.intellij.openapi.wm.impl.ToolWindowManagerImpl.registerToolWindow$lambda$33(ToolWindowManagerImpl.kt:1230)
at com.intellij.openapi.wm.impl.ToolWindowManagerImpl.registerToolWindow$intellij_platform_ide_impl(ToolWindowManagerImpl.kt:1243)
at com.intellij.toolWindow.ToolWindowSetInitializerKt.registerToolWindows(ToolWindowSetInitializer.kt:233)
... 48 more

What Should Happen?

Error Messages/Logs

Steps to Reproduce

Claude Model

None

Is this a regression?

Yes, this worked in a previous version

Last Working Version

_No response_

Claude Code Version

Platform

Anthropic API

Operating System

macOS

Terminal/Shell

Terminal.app (macOS)

Additional Information

_No response_

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