java.lang.IllegalStateException: JCEF is not supported in this env or failed to initialize

[msmith3392]

What happened

Trying to load Flutter Inspector in Android Studio on Ubuntu 23.04

Version information

Android Studio Giraffe | 2022.3.1 Patch 2 • Flutter plugin io.flutter 76.1.2 • Dart plugin 223.8977

Flutter 3.13.8 • channel stable • https://github.com/flutter/flutter.git
Framework • revision 6c4930c4ac (7 days ago) • 2023-10-18 10:57:55 -0500
Engine • revision 767d8c75e8
Tools • Dart 3.1.4 • DevTools 2.25.0

Exception

null

java.lang.IllegalStateException: JCEF is not supported in this env or failed to initialize
	at com.intellij.ui.jcef.JBCefApp.getInstance(JBCefApp.java:250)
	at com.intellij.ui.jcef.JBCefBrowserBase.lambda$new$3(JBCefBrowserBase.java:152)
	at com.intellij.util.ObjectUtils.notNull(ObjectUtils.java:124)
	at com.intellij.ui.jcef.JBCefBrowserBase.<init>(JBCefBrowserBase.java:152)
	at com.intellij.ui.jcef.JBCefBrowser.<init>(JBCefBrowser.java:190)
	at com.intellij.ui.jcef.JBCefBrowser.<init>(JBCefBrowser.java:150)
	at io.flutter.view.EmbeddedJcefBrowserTab.<init>(EmbeddedJcefBrowser.java:23)
	at io.flutter.view.EmbeddedJcefBrowser.openEmbeddedTab(EmbeddedJcefBrowser.java:61)
	at io.flutter.view.EmbeddedBrowser.openBrowserTabFor(EmbeddedBrowser.java:115)
	at io.flutter.view.EmbeddedBrowser.openPanel(EmbeddedBrowser.java:62)
	at io.flutter.view.FlutterView.lambda$addBrowserInspectorViewContent$3(FlutterView.java:294)
	at java.base/java.util.Optional.ifPresent(Optional.java:178)
	at io.flutter.view.FlutterView.lambda$addBrowserInspectorViewContent$4(FlutterView.java:294)
	at com.intellij.openapi.application.TransactionGuardImpl.runWithWritingAllowed(TransactionGuardImpl.java:209)
	at com.intellij.openapi.application.TransactionGuardImpl.access$100(TransactionGuardImpl.java:21)
	at com.intellij.openapi.application.TransactionGuardImpl$1.run(TransactionGuardImpl.java:191)
	at com.intellij.openapi.application.impl.ApplicationImpl.runIntendedWriteActionOnCurrentThread(ApplicationImpl.java:838)
	at com.intellij.openapi.application.impl.ApplicationImpl$3.run(ApplicationImpl.java:454)
	at com.intellij.openapi.application.impl.FlushQueue.doRun(FlushQueue.java:74)
	at com.intellij.openapi.application.impl.FlushQueue.runNextEvent(FlushQueue.java:114)
	at com.intellij.openapi.application.impl.FlushQueue.flushNow(FlushQueue.java:36)
	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.java:909)
	at com.intellij.ide.IdeEventQueue._dispatchEvent(IdeEventQueue.java:756)
	at com.intellij.ide.IdeEventQueue.lambda$dispatchEvent$5(IdeEventQueue.java:437)
	at com.intellij.openapi.progress.impl.CoreProgressManager.computePrioritized(CoreProgressManager.java:787)
	at com.intellij.ide.IdeEventQueue.lambda$dispatchEvent$6(IdeEventQueue.java:436)
	at com.intellij.openapi.application.TransactionGuardImpl.performActivity(TransactionGuardImpl.java:105)
	at com.intellij.ide.IdeEventQueue.performActivity(IdeEventQueue.java:615)
	at com.intellij.ide.IdeEventQueue.lambda$dispatchEvent$7(IdeEventQueue.java:434)
	at com.intellij.openapi.application.impl.ApplicationImpl.runIntendedWriteActionOnCurrentThread(ApplicationImpl.java:838)
	at com.intellij.ide.IdeEventQueue.dispatchEvent(IdeEventQueue.java:480)
	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)

[bytesfellow]

The same issue happens on macOS 14.0 (23A344).

Android Studio Giraffe | 2022.3.1 Patch 2
Build #AI-223.8836.35.2231.10811636, built on September 14, 2023
Runtime version: 17.0.6+0-17.0.6b829.9-10027231 aarch64
VM: OpenJDK 64-Bit Server VM by JetBrains s.r.o.
macOS 14.0
GC: G1 Young Generation, G1 Old Generation
Memory: 2048M
Cores: 10
Metal Rendering is ON
Registry:
    external.system.auto.import.disabled=true
    ide.text.editor.with.preview.show.floating.toolbar=false

Non-Bundled Plugins:
    com.github.copilot (1.3.3.3572)
    Dart (223.8977)
    DBN (3.4.1710.0)
    io.flutter (76.1.2)

looks like an IntelliJ issue in general
#6857

It's a pain since JxBrowser requires licensing.

[jwren]

This was fixed with the point releases, please update to the latest version, 76.3.x.

[huycozy]

I'm seeing this issue on Flutter plugin 77.1.2 and Android Studio Hedgehog | 2023.1.1:

flutter doctor -v (beta channel)

[!] Flutter (Channel beta, 3.18.0-0.2.pre, on macOS 14.1 23B74 darwin-x64, locale en-VN)
    • Flutter version 3.18.0-0.2.pre on channel beta at /Users/huynq/Documents/GitHub/flutter_beta
    ! Warning: `flutter` on your path resolves to /Users/huynq/Documents/GitHub/flutter/bin/flutter, which is not inside your current Flutter SDK checkout at /Users/huynq/Documents/GitHub/flutter_beta.
      Consider adding /Users/huynq/Documents/GitHub/flutter_beta/bin to the front of your path.
    ! Warning: `dart` on your path resolves to /Users/huynq/Documents/GitHub/flutter/bin/dart, which is not inside your current Flutter SDK checkout at /Users/huynq/Documents/GitHub/flutter_beta. Consider
      adding /Users/huynq/Documents/GitHub/flutter_beta/bin to the front of your path.
    • Upstream repository https://github.com/flutter/flutter.git
    • Framework revision fed06b31d9 (12 days ago), 2023-12-13 14:53:33 -0800
    • Engine revision 39c6dc9bdd
    • Dart version 3.3.0 (build 3.3.0-174.3.beta)
    • DevTools version 2.30.0
    • If those were intentional, you can disregard the above warnings; however it is recommended to use "git" directly to perform update checks and upgrades.

[✓] Android toolchain - develop for Android devices (Android SDK version 34.0.0)
    • Android SDK at /Users/huynq/Library/Android/sdk
    • Platform android-34, build-tools 34.0.0
    • ANDROID_HOME = /Users/huynq/Library/Android/sdk
    • Java binary at: /Applications/Android Studio.app/Contents/jbr/Contents/Home/bin/java
    • Java version OpenJDK Runtime Environment (build 17.0.6+0-17.0.6b802.4-9586694)
    • All Android licenses accepted.

[✓] Xcode - develop for iOS and macOS (Xcode 15.0.1)
    • Xcode at /Applications/Xcode.app/Contents/Developer
    • Build 15A507
    • CocoaPods version 1.13.0

[✓] Chrome - develop for the web
    • Chrome at /Applications/Google Chrome.app/Contents/MacOS/Google Chrome

[✓] Android Studio (version 2023.1)
    • Android Studio at /Applications/Android Studio Hedgehog.app/Contents
    • Flutter plugin can be installed from:
      🔨 https://plugins.jetbrains.com/plugin/9212-flutter
    • Dart plugin can be installed from:
      🔨 https://plugins.jetbrains.com/plugin/6351-dart
    • Java version OpenJDK Runtime Environment (build 17.0.7+0-17.0.7b1000.6-10550314)

[✓] Android Studio (version 2022.2)
    • Android Studio at /Applications/Android Studio.app/Contents
    • Flutter plugin can be installed from:
      🔨 https://plugins.jetbrains.com/plugin/9212-flutter
    • Dart plugin can be installed from:
      🔨 https://plugins.jetbrains.com/plugin/6351-dart
    • android-studio-dir = /Applications/Android Studio.app/
    • Java version OpenJDK Runtime Environment (build 17.0.6+0-17.0.6b802.4-9586694)

[✓] VS Code (version 1.85.1)
    • VS Code at /Applications/Visual Studio Code.app/Contents
    • Flutter extension version 3.78.0

[✓] Connected device (2 available)
    • macOS (desktop) • macos  • darwin-x64     • macOS 14.1 23B74 darwin-x64
    • Chrome (web)    • chrome • web-javascript • Google Chrome 120.0.6099.109

[✓] Network resources
    • All expected network resources are available.

! Doctor found issues in 1 category.

[Antilamer1709]

I'm seeing this issue on Flutter plugin 77.1.2 and Android Studio Hedgehog | 2023.1.1:

flutter doctor -v (beta channel)

The same error in my Android Studio Hedgehog | 2023.1.1

[wolkenschieber]

I'm seeing this issue on Flutter plugin 77.1.2 and Android Studio Hedgehog | 2023.1.1

Same on Linux.

`flutter doctor -v`

[✓] Flutter (Channel stable, 3.16.5, on Arch Linux 6.6.8-arch1-1, locale de_DE.UTF-8) • Flutter version 3.16.5 on channel stable at /mnt/Development/flutter/sdk/flutter • Upstream repository https://github.com/flutter/flutter.git • Framework revision 78666c8dc5 (vor 10 Tagen), 2023-12-19 16:14:14 -0800 • Engine revision 3f3e560236 • Dart version 3.2.3 • DevTools version 2.28.4

[✓] Android toolchain - develop for Android devices (Android SDK version 34.0.0-rc4)
• Android SDK at /mnt/Development/android/sdk
• Platform android-34, build-tools 34.0.0-rc4
• Java binary at: /mnt/Development/jetbrains/android-studio/jbr/bin/java
• Java version OpenJDK Runtime Environment (build 17.0.7+0-17.0.7b1000.6-10550314)
• All Android licenses accepted.

[✓] Chrome - develop for the web
• Chrome at google-chrome

[✓] Linux toolchain - develop for Linux desktop
• clang version 16.0.6
• cmake version 3.28.1
• ninja version 1.11.1
• pkg-config version 2.1.0

[✓] Android Studio (version 2023.1)
• Android Studio at /mnt/Development/jetbrains/android-studio
• Flutter plugin version 77.1.2
• Dart plugin version 222.4582
• Java version OpenJDK Runtime Environment (build 17.0.7+0-17.0.7b1000.6-10550314)

[✓] IntelliJ IDEA Community Edition (version 2023.3)
• IntelliJ at /mnt/Development/jetbrains/intellij-idea-community-edition
• Flutter plugin version 77.0.1
• Dart plugin can be installed from:
🔨 https://plugins.jetbrains.com/plugin/6351-dart

[✓] IntelliJ IDEA Ultimate Edition (version 2023.3)
• IntelliJ at /mnt/Development/jetbrains/intellij-idea-ultimate
• Flutter plugin can be installed from:
🔨 https://plugins.jetbrains.com/plugin/9212-flutter
• Dart plugin can be installed from:
🔨 https://plugins.jetbrains.com/plugin/6351-dart

[✓] Connected device (3 available)
• sdk gphone64 x86 64 (mobile) • emulator-5554 • android-x64 • Android 14 (API 34) (emulator)
• Linux (desktop) • linux • linux-x64 • Arch Linux 6.6.8-arch1-1
• Chrome (web) • chrome • web-javascript • Google Chrome 120.0.6099.129

[✓] Network resources
• All expected network resources are available.

• No issues found!

@jwren Can you reopen the issue?

[sadjadtalakoob74]

same error on Flutter plugin 77.1.2 and Android Studio Hedgehog | 2023.1.1

[weniner]

@jwren The same to me
Plugin Version:
Flutter: 77.1.2
Dart: 231.9409

IDEA Version :
Android Studio Hedgehog | 2023.1.1 Patch 1
Runtime version: 17.0.7+0-17.0.7b1000.6-10550314 aarch64

[helin24]

JCEF not being supported is due to boot runtime for the IDE using a version of the Java runtime environment that does not have JCEF. We recommend trying the steps here for changing to a JRE that supports JCEF: https://stackoverflow.com/questions/69171807/markdown-editor-and-preview-not-working-in-android-studio

Does that work for your use case? Otherwise the backup option is opening DevTools in a separate browser.

[Mikelantonio]

same error on Flutter plugin 77.1.2 and Android Studio Hedgehog | 2023.1.1

same for me. the error is still present

[waslost0]

Same issue

Android Studio Hedgehog | 2023.1.1 Patch 1
Build #AI-231.9392.1.2311.11255304, built on December 27, 2023
Runtime version: 17.0.7+0-17.0.7b1000.6-10550314 aarch64
VM: OpenJDK 64-Bit Server VM by JetBrains s.r.o.
macOS 13.5
Non-Bundled Plugins:
Dart (231.9411)
io.flutter (77.1.2)

[ProZhar]

Same issue on windows

Android Studio Hedgehog | 2023.1.1 Patch 1
Build #AI-231.9392.1.2311.11255304, built on December 27, 2023
Runtime version: 17.0.7+0-17.0.7b1000.6-10550314 aarch64
VM: OpenJDK 64-Bit Server VM by JetBrains s.r.o.
Windows 10 19045.3930
Non-Bundled Plugins:
Dart (231.9411)
io.flutter (77.1.2)

[dominikIncibit]

same issue here on macos

[nickolight]

Same issue on MacOS

"The embedded browser failed to load. Error JCEF is not supported in this env or failed to initialize"

Flutter plugin: 77.1.2
Android Studio Hedgehog | 2023.1.1 Patch 2
Build #AI-231.9392.1.2311.11330709, built on January 19, 2024
Runtime version: 17.0.7+0-17.0.7b1000.6-10550314 aarch64