microsoft / microsoft/azure-tools-for-java

[IntelliJ] Uncaught Exception Error initializing Azure MCP Server: com.fasterxml.jackson.databind.exc.MismatchedInputException: Cannot deserialize value of type `java.util.ArrayList<com.microsoft.azure.toolkit.intellij.azuremcp.GithubRelease>` from Object

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

Description

IntelliJ build version: 2026.2.2 IU-262.10315.125
OS: Windows 11
JDK: JetBrains s.r.o. 25.0.4
Plugin version: 3.97.7-2026.2
Additional Info: None
Parent component:

com.intellij.openapi.wm.impl.IdeRootPane[,7,0,1990x931,layout=com.intellij.openapi.wm.impl.IdeRootPane$CustomHeaderRootLayout,alignmentX=0.0,alignmentY=0.0,border=,flags=449,maximumSize=,minimumSize=,preferredSize=]

Error message:

<REDACTED: Generic Secret>
<REDACTED: Generic Secret>
	at com.microsoft.azure.toolkit.intellij.azuremcp.GithubClient.lambda$getLatestAzureMcpRelease$0(GithubClient.java:103)
	at com.microsoft.azure.toolkit.intellij.azuremcp.GithubClient.executeWithRetry(GithubClient.java:64)
	at com.microsoft.azure.toolki

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 GithubClient.java at getLatestAzureMcpRelease, line 103, and read executeWithRetry at line 64. Reproduce Azure MCP Server initialization in the listed IntelliJ, Windows 11, and plugin versions, then verify the GitHub release response is handled without an uncaught Jackson deserialization exception.

Written by the indexing model from the issue text.

Assessment

Tech stack
azure, java
Domain
devtools
Issue type
Bug
Difficulty
2/5
Estimated time
1-3 hours
Activity status
Active
Clarity
Mostly clear
Newbie friendliness
72/100

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