microsoft / microsoft/azure-tools-for-java
[IntelliJ] Uncaught Exception Error initializing Azure MCP Server: org.apache.http.ConnectionClosedException: Premature end of Content-Length delimited message body (expected: 51,738,762; received: 3,538,593) java.io.UncheckedIOException: org.apache.http.C
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- Java
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Description
IntelliJ build version: 2026.1.2 IU-261.24374.151
OS: Windows 11
JDK: JetBrains s.r.o. 25.0.2
Plugin version: 3.97.5-2026.1
Additional Info: None
Parent component:
com.intellij.openapi.wm.impl.IdeRootPane[,7,7,2561x1393,layout=com.intellij.openapi.wm.impl.IdeRootPane$CustomHeaderRootLayout,alignmentX=0.0,alignmentY=0.0,border=,flags=449,maximumSize=,minimumSize=,preferredSize=]
Error message:
IdeaLoggingEvent[message=Error initializing Azure MCP Server: org.apache.http.ConnectionClosedException: Premature end of Content-Length delimited message body (expected: 51,738,762; received: 3,538,593), throwable=java.io.UncheckedIOException: org.apache.http.ConnectionClosedException: Premature end of Content-Length delimited message body (expected: 51,738,762; received: 3,538,593)
at com.microsoft.azure.toolkit.intellij.azuremcp.GithubClient.lambda$downloadToFile$2(GithubClient.java:123)
at com.microsoft.azure.toolkiContributor 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 the stack trace in GithubClient.java at downloadToFile, line 123, and reproduce Azure MCP Server initialization in the reported IntelliJ, Windows 11, JDK 25.0.2, and plugin version environment. Investigate why the download receives fewer bytes than declared; done means initialization no longer raises the reported ConnectionClosedException.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- azure, java
- Domain
- desktop, devtools
- Issue type
- Bug
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Quiet
- Clarity
- Needs clarification
- Newbie friendliness
- 35/100