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Junie plugin panel shows 'Nothing to show'

Gabriel Cataneo
Updated

Problem

The Junie plugin panel is empty and displays "Nothing to show."

image5.png

The following stack trace is reported in the logs:

java.lang.IllegalStateException: Expected single provider, found supports: []
Available support providers: [com.intellij.ml.llm.matterhorn.ej.phpstorm.PhpStormElectricJuniorSupportProvider, com.intellij.ml.llm.matterhorn.ej.goland.GoLandElectricJuniorSupportProvider, com.intellij.ml.llm.matterhorn.ej.webstorm.WebStormElectricJuniorSupportProvider], 
Product: IntelliJ IDEA

	at com.intellij.ml.llm.matterhorn.ej.core.ElectricJuniorSupportProvider$Companion.getSupport(ElectricJuniorSupportProvider.kt:33)
	at com.intellij.ml.llm.matterhorn.ej.ui.toolwindow.JuniorToolWindowViewModelKt.preconditionChecker(JuniorToolWindowViewModel.kt:195)
	at com.intellij.ml.llm.matterhorn.ej.ui.toolwindow.JuniorToolWindowViewModelKt.access$preconditionChecker(JuniorToolWindowViewModel.kt:1)
	at com.intellij.ml.llm.matterhorn.ej.ui.toolwindow.JuniorToolWindowViewModel.<init>(JuniorToolWindowViewModel.kt:48)
	at com.intellij.ml.llm.matterhorn.ej.ui.ElectroJuniorToolWindowFactory.createToolWindowContent(ElectroJuniorToolWindowFactory.kt:44)
	at com.intellij.openapi.wm.impl.ToolWindowImpl.createContentIfNeeded(ToolWindowImpl.kt:689)
	at com.intellij.openapi.wm.impl.ToolWindowImpl.scheduleContentInitializationIfNeeded$intellij_platform_ide_impl(ToolWindowImpl.kt:669)
	at com.intellij.openapi.wm.impl.ToolWindowManagerImpl.doShowWindow(ToolWindowManagerImpl.kt:1058)
	at com.intellij.openapi.wm.impl.ToolWindowManagerImpl.showToolWindowImpl(ToolWindowManagerImpl.kt:992)
	at com.intellij.openapi.wm.impl.ToolWindowManagerImpl.activateToolWindow$intellij_platform_ide_impl(ToolWindowManagerImpl.kt:684)
	at com.intellij.openapi.wm.impl.ToolWindowManagerImpl.activateToolWindow$intellij_platform_ide_impl$default(ToolWindowManagerImpl.kt:651)
	at com.intellij.openapi.wm.impl.ToolWindowManagerImpl.activated$intellij_platform_ide_impl(ToolWindowManagerImpl.kt:2329)
	at com.intellij.openapi.wm.impl.SquareAnActionButton.setSelected(SquareStripeButton.kt:358)
	at com.intellij.openapi.actionSystem.ToggleAction.actionPerformed(ToggleAction.java:60)
	at com.intellij.openapi.actionSystem.impl.ActionButton.actionPerformed(ActionButton.java:223)
	at com.intellij.openapi.actionSystem.impl.ActionButton.lambda$performAction$2(ActionButton.java:203)
	at com.intellij.openapi.actionSystem.impl.ActionManagerImpl.performWithActionCallbacks(ActionManagerImpl.kt:1173)
	at com.intellij.openapi.actionSystem.ex.ActionUtil.performDumbAwareWithCallbacks(ActionUtil.kt:396)
	at com.intellij.openapi.actionSystem.impl.ActionButton.performAction(ActionButton.java:203)
	at com.intellij.openapi.actionSystem.impl.ActionButton.processMouseEvent(ActionButton.java:519)
	at java.desktop/java.awt.Component.processEvent(Component.java:6427)
	at java.desktop/java.awt.Container.processEvent(Container.java:2266)
	at java.desktop/java.awt.Component.dispatchEventImpl(Component.java:5032)
	at java.desktop/java.awt.Container.dispatchEventImpl(Container.java:2324)
	at java.desktop/java.awt.Component.dispatchEvent(Component.java:4860)
	at java.desktop/java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4963)
	at java.desktop/java.awt.LightweightDispatcher.processMouseEvent(Container.java:4577)
	at java.desktop/java.awt.LightweightDispatcher.dispatchEvent(Container.java:4518)
	at java.desktop/java.awt.Container.dispatchEventImpl(Container.java:2310)
	at java.desktop/java.awt.Window.dispatchEventImpl(Window.java:2810)
	at java.desktop/java.awt.Component.dispatchEvent(Component.java:4860)
	at java.desktop/java.awt.EventQueue.dispatchEventImpl(EventQueue.java:783)
	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.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:98)
	at java.desktop/java.awt.EventQueue$5.run(EventQueue.java:755)
	at java.desktop/java.awt.EventQueue$5.run(EventQueue.java:753)
	at java.base/java.security.AccessController.doPrivileged(AccessController.java:400)
	at java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:87)
	at java.desktop/java.awt.EventQueue.dispatchEvent(EventQueue.java:752)
	at com.intellij.ide.IdeEventQueue.defaultDispatchEvent(IdeEventQueue.kt:675)
	at com.intellij.ide.IdeEventQueue.dispatchMouseEvent(IdeEventQueue.kt:621)
	at com.intellij.ide.IdeEventQueue._dispatchEvent$lambda$21(IdeEventQueue.kt:564)
	at com.intellij.openapi.application.impl.AnyThreadWriteThreadingSupport.runWriteIntentReadAction(AnyThreadWriteThreadingSupport.kt:128)
	at com.intellij.ide.IdeEventQueue._dispatchEvent(IdeEventQueue.kt:564)
	at com.intellij.ide.IdeEventQueue.dispatchEvent$lambda$18$lambda$17$lambda$16$lambda$15(IdeEventQueue.kt:355)
	at com.intellij.openapi.progress.impl.CoreProgressManager.computePrioritized(CoreProgressManager.java:857)
	at com.intellij.ide.IdeEventQueue.dispatchEvent$lambda$18$lambda$17$lambda$16(IdeEventQueue.kt:354)
	at com.intellij.ide.IdeEventQueueKt.performActivity$lambda$2$lambda$1(IdeEventQueue.kt:1045)
	at com.intellij.openapi.application.WriteIntentReadAction.lambda$run$0(WriteIntentReadAction.java:24)
	at com.intellij.openapi.application.impl.AnyThreadWriteThreadingSupport.runWriteIntentReadAction(AnyThreadWriteThreadingSupport.kt:128)
	at com.intellij.openapi.application.impl.ApplicationImpl.runWriteIntentReadAction(ApplicationImpl.java:917)
	at com.intellij.openapi.application.WriteIntentReadAction.compute(WriteIntentReadAction.java:55)
	at com.intellij.openapi.application.WriteIntentReadAction.run(WriteIntentReadAction.java:23)
	at com.intellij.ide.IdeEventQueueKt.performActivity$lambda$2(IdeEventQueue.kt:1045)
	at com.intellij.ide.IdeEventQueueKt.performActivity$lambda$3(IdeEventQueue.kt:1054)
	at com.intellij.openapi.application.TransactionGuardImpl.performActivity(TransactionGuardImpl.java:117)
	at com.intellij.ide.IdeEventQueueKt.performActivity(IdeEventQueue.kt:1054)
	at com.intellij.ide.IdeEventQueue.dispatchEvent$lambda$18(IdeEventQueue.kt:349)
	at com.intellij.ide.IdeEventQueue.dispatchEvent(IdeEventQueue.kt:395)
	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)
2025-03-29 21:13:51,756 [  11024] SEVERE - #c.i.i.p.PluginManager - IntelliJ IDEA 2024.3.5  Build #IU-243.26053.27
2025-03-29 21:13:51,756 [  11024] SEVERE - #c.i.i.p.PluginManager - JDK: 21.0.6; VM: OpenJDK 64-Bit Server VM; Vendor: JetBrains s.r.o.
2025-03-29 21:13:51,756 [  11024] SEVERE - #c.i.i.p.PluginManager - OS: Mac OS X
2025-03-29 21:13:51,756 [  11024] SEVERE - #c.i.i.p.PluginManager - Plugin to blame: JetBrains Junie: EAP version: 243.71.1

Cause

This issue can happen when necessary dependencies (Maven and/or Kotlin plugins) are disabled in IDE.

Resolution

To resolve this issue, re-enable the Maven and/or Kotlin plugins:

  1. Open the IDE settings by navigating to File | Settings (Windows/Linux) or IntelliJ IDEA | Settings (macOS).

  2. Go to the Plugins section and switch to the Installed tab.

    image3.png

  3. Find the Maven plugin in the list (you can use the search bar).

  4. Check the box next to the Maven plugin to enable it.

    image4.png

  5. Click Apply or OK.

  6. You may need to restart the IDE. If prompted, do it.

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