microsoft / microsoft/vscode-java-debug

Wrong Java runtime used JRE 11 vs. JRE 17

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ai-triaged bug
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TypeScript
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Description

Wrong Java runtime used

Environment
  • Operating System: ubuntu linux
  • JDK version: Corretto-17.0.9.8.1
  • Visual Studio Code version: latest
  • Java extension version: latest and prerelease
  • Java Debugger extension version: latest and prerealease
Steps To Reproduce
  1. Trying to debug spring boot

No special launch.json

{
    "version": "0.2.0",
    "configurations": [
        {
            "type": "java",
            "name": "Launch Application",
            "request": "launch",
            "mainClass": "de.xxx.xxx.Application",
            "projectName": "xxx-application",
            "env": {
                "SPRING_PROFILES_ACTIVE": "debug",
            },
            "vmArgs": "-Xms128m -Xmx128m"
        }
    ]
}

Java Configure Runtime for Projects outputs wrong java version

image

Should be 17 (works on other enviroments - E.g. eclipse)

Current Result
Error: Unable to initialize main class de.ewe.gisatfuture.servicehub.Application
Caused by: java.lang.UnsupportedClassVersionError: org/springframework/web/servlet/config/annotation/WebMvcConfigurer has been compiled by a more recent version of the Java Runtime (class file version 61.0), this version of the Java Runtime only recognizes class file versions up to 55.0
Expected Result

Debugger should simply run

Additional Informations

Workaround: mvn spring-boot:run does work

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 by reproducing the Spring Boot debug launch using the shown launch.json and inspect the Java Configure Runtime for Projects output. Compare the JRE selected there with the JDK 17 environment and the runtime used by the debugger. Done means the debugger launches the application with JDK 17 instead of JRE 11.

Written by the indexing model from the issue text.

Assessment

Tech stack
java, spring-boot, vscode
Domain
devtools, tooling
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Mostly clear
Newbie friendliness
25/100

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