We are GitHub Copilot for JetBrains plugin team. And our cx meet with a blank toolWindow issue. The error stack shows there might be a NPE problem, and we check that content in contentManager.addContent(content) is not null. The error stack is listed below. Could you pls help to find the root cause, thank you.
- IDE & OS Versions:
JetBrains Rider 2024.3.6
Build #RD-243.25659.34, built on February 26, 2025
Subscription is active until April 12, 2025.
Runtime version: 21.0.6+8-b631.39 amd64 (JCEF 122.1.9)
VM: OpenJDK 64-Bit Server VM by JetBrains s.r.o.
Toolkit: sun.awt.windows.WToolkit
Windows 11.0
.NET Core v8.0.11 x64 (Server GC)
GC: G1 Young Generation, G1 Concurrent GC, G1 Old Generation
Memory: 4052M
Cores: 20
Registry:
ide.experimental.ui=true
llm.show.ai.promotion.window.on.start=false
Non-Bundled Plugins:
com.jetbrains.rider.android (243.25659.34)
com.github.copilot (1.5.39-243)
Error stack:
java.lang.Throwable: Provide not-null FileType
at com.intellij.openapi.diagnostic.Logger.error(Logger.java:376)
at com.intellij.ui.EditorTextField.createDocument(EditorTextField.java:684)
at com.intellij.ui.EditorTextField.getDocument(EditorTextField.java:282)
at com.intellij.ui.EditorTextField.createEditor(EditorTextField.java:693)
at com.intellij.ui.LanguageTextField.createEditor(LanguageTextField.java:116)
at com.intellij.ui.EditorTextFieldProviderImpl$MyEditorTextField.createEditor(EditorTextFieldProviderImpl.java:34)
at com.intellij.ui.EditorTextField.initEditorInner(EditorTextField.java:559)
at com.intellij.ui.EditorTextField.initEditor(EditorTextField.java:544)
at com.intellij.ui.EditorTextField.lambda$new$0(EditorTextField.java:162)
at java.desktop/java.awt.Component.processHierarchyEvent(Component.java:6829)
at java.desktop/java.awt.Component.processEvent(Component.java:6448)
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.Component.addNotify(Component.java:7133)
at java.desktop/java.awt.Container.addNotify(Container.java:2793)
at java.desktop/javax.swing.JComponent.addNotify(JComponent.java:4847)
at com.intellij.ui.EditorTextField.addNotify(EditorTextField.java:987)
at java.desktop/java.awt.Container.addNotify(Container.java:2804)
at java.desktop/javax.swing.JComponent.addNotify(JComponent.java:4847)
at java.desktop/java.awt.Container.addNotify(Container.java:2804)
at java.desktop/javax.swing.JComponent.addNotify(JComponent.java:4847)
at java.desktop/java.awt.Container.addNotify(Container.java:2804)
at java.desktop/javax.swing.JComponent.addNotify(JComponent.java:4847)
at java.desktop/java.awt.Container.addNotify(Container.java:2804)
at java.desktop/javax.swing.JComponent.addNotify(JComponent.java:4847)
at java.desktop/java.awt.Container.addNotify(Container.java:2804)
at java.desktop/javax.swing.JComponent.addNotify(JComponent.java:4847)
at java.desktop/java.awt.Container.addNotify(Container.java:2804)
at java.desktop/javax.swing.JComponent.addNotify(JComponent.java:4847)
at java.desktop/java.awt.Container.addNotify(Container.java:2804)
at java.desktop/javax.swing.JComponent.addNotify(JComponent.java:4847)
at java.desktop/java.awt.Container.addNotify(Container.java:2804)
at java.desktop/javax.swing.JComponent.addNotify(JComponent.java:4847)
at java.desktop/java.awt.Container.addNotify(Container.java:2804)
at java.desktop/javax.swing.JComponent.addNotify(JComponent.java:4847)
at java.desktop/java.awt.Container.addNotify(Container.java:2804)
at java.desktop/javax.swing.JComponent.addNotify(JComponent.java:4847)
at java.desktop/java.awt.Container.addNotify(Container.java:2804)
at java.desktop/javax.swing.JComponent.addNotify(JComponent.java:4847)
at java.desktop/java.awt.Container.addNotify(Container.java:2804)
at java.desktop/javax.swing.JComponent.addNotify(JComponent.java:4847)
at java.desktop/java.awt.Container.addNotify(Container.java:2804)
at java.desktop/javax.swing.JComponent.addNotify(JComponent.java:4847)
at java.desktop/java.awt.Container.addNotify(Container.java:2804)
at java.desktop/javax.swing.JComponent.addNotify(JComponent.java:4847)
at java.desktop/java.awt.Container.addNotify(Container.java:2804)
at java.desktop/javax.swing.JComponent.addNotify(JComponent.java:4847)
at java.desktop/java.awt.Container.addNotify(Container.java:2804)
at java.desktop/javax.swing.JComponent.addNotify(JComponent.java:4847)
at java.desktop/java.awt.Container.addImpl(Container.java:1150)
at java.desktop/java.awt.Container.add(Container.java:1001)
at com.intellij.openapi.wm.impl.content.ToolWindowContentUi.ensureSelectedContentVisible(ToolWindowContentUi.java:345)
at com.intellij.openapi.wm.impl.content.ToolWindowContentUi$1.selectionChanged(ToolWindowContentUi.java:194)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at com.intellij.util.EventDispatcher.dispatchVoidMethod(EventDispatcher.java:120)
at com.intellij.util.EventDispatcher.lambda$createMulticaster$1(EventDispatcher.java:85)
at jdk.proxy2/jdk.proxy2.$Proxy158.selectionChanged(Unknown Source)
at com.intellij.ui.content.impl.ContentManagerImpl.fireSelectionChanged(ContentManagerImpl.java:625)
at com.intellij.ui.content.impl.ContentManagerImpl.addSelectedContent(ContentManagerImpl.java:449)
at com.intellij.ui.content.impl.ContentManagerImpl.setSelectedContent(ContentManagerImpl.java:535)
at com.intellij.ui.content.impl.ContentManagerImpl.setSelectedContentCB(ContentManagerImpl.java:502)
at com.intellij.ui.content.impl.ContentManagerImpl.setSelectedContentCB(ContentManagerImpl.java:492)
at com.intellij.ui.content.impl.ContentManagerImpl.setSelectedContentCB(ContentManagerImpl.java:563)
at com.intellij.ui.content.impl.ContentManagerImpl.setSelectedContent(ContentManagerImpl.java:568)
at com.intellij.ui.content.impl.ContentManagerImpl.doAddContent(ContentManagerImpl.java:197)
at com.intellij.ui.content.impl.ContentManagerImpl.addContent(ContentManagerImpl.java:167)