microsoft / microsoft/azure-tools-for-java

[IntelliJ] Uncaught Exception java.lang.IllegalArgumentException: Cannot add an action twice: Upgrade Java Runtime and Frameworks (Upgrade Java runtime and framework versions) (com.microsoft.azure.toolkit.intellij.appmod.javaupgrade.action.JavaUpgradeCont

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Dominant language
Java
Stars
262
Forks
185
Avg merge
2d 21h
Merged PRs (30d)
1

Description

IntelliJ build version: 2026.2.1 IU-262.9437.185
OS: Windows 11
JDK: JetBrains s.r.o. 25.0.3
Plugin version: 3.97.7-2026.2
Additional Info: None
Parent component:

com.intellij.openapi.wm.impl.IdeRootPane[,7,0,1246x625,layout=com.intellij.openapi.wm.impl.IdeRootPane$CustomHeaderRootLayout,alignmentX=0.0,alignmentY=0.0,border=,flags=449,maximumSize=,minimumSize=,preferredSize=]

Error message:

IdeaLoggingEvent[message=null, throwable=java.lang.IllegalArgumentException: Cannot add an action twice: Upgrade Java Runtime and Frameworks (Upgrade Java runtime and framework versions) (com.microsoft.azure.toolkit.intellij.appmod.javaupgrade.action.JavaUpgradeContextMenuAction)
	at com.intellij.openapi.actionSystem.DefaultActionGroup.newDuplicateActionAddedException(DefaultActionGroup.java:156)
	at com.microsoft.azure.toolkit.intellij.appmod.javaupgrade.action.UpgradeActionRegistrar.tryAddToGroup(UpgradeActionRegistrar.java:157)
	at com.microsoft.azure.toolkit.intellij.appmod.javaupgrade.action.UpgradeActionRegistrar.discoverAndRegisterAction(UpgradeActionRegistrar.java:120)
	at com.microsoft.azure.toolkit.intellij.appmod.javaupgrade.action.UpgradeActionRegistrar

Contributor guide

Open the contributing guide

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start in UpgradeActionRegistrar, especially tryAddToGroup at line 157 and discoverAndRegisterAction at line 120, then trace registration of JavaUpgradeContextMenuAction. Reproduce the IntelliJ plugin error if possible and verify that the Upgrade Java Runtime and Frameworks action is registered without triggering the duplicate-action exception.

Written by the indexing model from the issue text.

Assessment

Tech stack
java
Domain
tooling
Issue type
Bug
Difficulty
3/5
Estimated time
1-2 days
Activity status
Quiet
Clarity
Mostly clear
Newbie friendliness
55/100

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