microsoft / microsoft/azure-tools-for-java
[IntelliJ] Uncaught Exception Error initializing Azure MCP Server: javax.net.ssl.SSLException: (bad_record_mac) Tag mismatch java.io.UncheckedIOException: javax.net.ssl.SSLException: (bad_record_mac) Tag mismatch
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- Dominant language
- Java
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- 262
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- 185
- Avg merge
- 2d 21h
- Merged PRs (30d)
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Description
IntelliJ build version: 2025.2.6.2 IC-252.28539.54
OS: Windows 11
JDK: JetBrains s.r.o. 21.0.9
Plugin version: 3.97.3-2025.2
Additional Info: None
Parent component:
com.intellij.openapi.wm.impl.IdeRootPane[,8,8,1920x1152,layout=com.intellij.openapi.wm.impl.IdeRootPane$CustomHeaderRootLayout,alignmentX=0.0,alignmentY=0.0,border=,flags=449,maximumSize=,minimumSize=,preferredSize=]
Error message:
IdeaLoggingEvent[message=Error initializing Azure MCP Server: javax.net.ssl.SSLException: (bad_record_mac) Tag mismatch, throwable=java.io.UncheckedIOException: javax.net.ssl.SSLException: (bad_record_mac) Tag mismatch
at com.microsoft.azure.toolkit.intellij.azuremcp.GithubClient.lambda$downloadToFile$2(GithubClient.java:123)
at com.microsoft.azure.toolkit.intellij.azuremcp.GithubClient.executeWithRetry(GithubClient.java:64)
at com.microsoft.azure.toolkit.intellij.azuremcp.GithubClient.downloadToFile(GithubClient.java:118)
at com.microsoft.azure.toolkit.intellij.azuremcp.AzureMcpPackageManager.getAzureMcpExecutable(AzureMcpPackageManager.java:60)
at com.microsoft.azure.toolkit.intellij.azuremcp.GithubCopilotMcpInitializer.initializeAzureMcpServer(GithubCopilotMcpInitializer.java:8
Contributor guide
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Start with GithubClient.java at downloadToFile and executeWithRetry, then follow the call from AzureMcpPackageManager.getAzureMcpExecutable to GithubCopilotMcpInitializer.initializeAzureMcpServer. Reproduce initialization with the listed IntelliJ, Windows 11, and JDK versions, and verify that the Azure MCP executable downloads and initializes without the SSLException bad_record_mac error.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- java
- Domain
- devtools
- Issue type
- Bug
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Quiet
- Clarity
- Needs clarification
- Newbie friendliness
- 45/100