microsoft / microsoft/vscode-java-debug
Unknown source debugging attached java process
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Descripción
When attaching to a Java process built with a custom bazel-based build system, the Java debugger can't resolved source even though the file is open, reporting "Unknown source".
Environment
- Operating System: Windows 11 Enterprise locally, Linux remotely.
- JDK version: Adoptium Temurin-17 (tried 21 as well)
- Visual Studio Code version: 1.85.2
- Java extension version: v0.57.0
- Java Debugger extension version: v0.26.0 (extension pack)
- Language support for Java by Red Hat: v1.29.0
Steps To Reproduce
- Start Visual Studio Code and connect to the SSH host.
- In Terminal, build (using proprietary bazel-based build system).
- In Terminal, change to the directory where the result JARs are produced.
- Open the source file with the main function (Pos001.java, in this case).
- Create a java attach-to-process debugger config. No special settings, just type, name, request, processId set as:
"type": "java", "name": "Java attach to process", "projectName": "acquiretokenbyuserid", "request": "attach", "processId":"${command:PickJavaProcess}", - Run main in the target class using typical attach to process parameters as shown below. It is waiting for a keystroke.
java -agentlib:jdwp=transport=dt_socket,server=y,address=5005 -verbose -cp "./*" packagename1.packagename2.Pos001 - In Visual Studio, attach to the process and set a breakpoint just after where the code is waiting for the keystroke.
- In the Terminal window where the process was run, press enter.
Logs: LanguageServerLogFile.txt
I can't provide source or project, sorry.
Current Result
Call stack reports Unknown source and the current source line is not highlighted. The call stack does correctly report the filename and line number of where the program is, so you can manually scroll through. Stepping through and further breakpoints work normally, just with this limitation.
Expected Result
Debugger should highlight the current line and recognize the open file in the editor as the correct source. Or at least, it should behave as Real Visual Studio, asking me "should I use this file?" or allowing me to browse for it.
Additional Informations
- Language Support for Java window reports several instances of the following:
[Error - 6:19:42 PM] Apr 21, 2024, 6:19:42 PM _/lotus-qe/core-pfs/src/test/java/sts/acquiretokenbyuserid [in rpsmain2_f021ed] does not exist _/lotus-qe/core-pfs/src/test/java/sts/acquiretokenbyuserid [in rpsmain2_f021ed] does not exist Java Model Exception: Error in Java Model (code 969): _/lotus-qe/core-pfs/src/test/java/sts/acquiretokenbyuserid [in rpsmain2_f021ed] does not exist at org.eclipse.jdt.internal.core.JavaElement.newNotPresentException(JavaElement.java:562) at org.eclipse.jdt.internal.core.PackageFragmentRoot.getUnderlyingResource(PackageFragmentRoot.java:764) at org.eclipse.jdt.internal.core.PackageFragment.getUnderlyingResource(PackageFragment.java:430) at org.eclipse.jdt.internal.core.Openable.getUnderlyingResource(Openable.java:328) at org.eclipse.jdt.internal.core.CompilationUnit.getUnderlyingResource(CompilationUnit.java:975) at org.eclipse.jdt.ls.core.internal.handlers.BaseDiagnosticsHandler.collectNonJavaProblems(BaseDiagnosticsHandler.java:149) at org.eclipse.jdt.ls.core.internal.handlers.BaseDiagnosticsHandler.endReporting(BaseDiagnosticsHandler.java:135) at org.eclipse.jdt.internal.core.ReconcileWorkingCopyOperation.reportProblems(ReconcileWorkingCopyOperation.java:141) at org.eclipse.jdt.internal.core.ReconcileWorkingCopyOperation.executeOperation(ReconcileWorkingCopyOperation.java:110) at org.eclipse.jdt.internal.core.JavaModelOperation.run(JavaModelOperation.java:740) at org.eclipse.jdt.internal.core.JavaModelOperation.runOperation(JavaModelOperation.java:805) at org.eclipse.jdt.internal.core.CompilationUnit.reconcile(CompilationUnit.java:1311) at org.eclipse.jdt.ls.core.internal.handlers.BaseDocumentLifeCycleHandler.publishDiagnostics(BaseDocumentLifeCycleHandler.java:332) at org.eclipse.jdt.ls.core.internal.handlers.BaseDocumentLifeCycleHandler.publishDiagnostics(BaseDocumentLifeCycleHandler.java:295) at org.eclipse.jdt.ls.core.internal.handlers.BaseDocumentLifeCycleHandler$PublishDiagnosticJob.run(BaseDocumentLifeCycleHandler.java:777) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) - There's no maven or gradle files in this project, it uses a custom bazel-based build.
- Disabled Maven and Gradle project import, but this seems to make no difference. Debugger appears built to require these.
- Set sourcePaths in debugger config, no help.
- If it matters, JDK is configured via java.jdt.ls.java.home in settings.json on remote host.
Guía de contribución
Primeros pasos
- Lee el issue completo y luego la guía de contribución del proyecto.
- Comenta en el issue que vas a ocuparte — evita que dos personas hagan lo mismo.
- Haz un fork del repositorio y trabaja en una rama.
- Abre un pull request que haga referencia al número del issue.
Línea de trabajo
Comienza con el archivo adjunto LanguageServerLogFile.txt e investiga la ruta de resolución de fuentes de Java para adjuntar a un proceso, utilizando los ajustes projectName y sourcePaths indicados como puntos de entrada. Reproduce el problema con la configuración proporcionada si es posible y, después, verifica que el archivo abierto Pos001.java esté asignado a la ubicación de la pila de llamadas y que la línea actual esté resaltada.
Escrito por el modelo de indexación a partir del texto del issue.
Evaluación
- Stack tecnológico
- java, typescript, vscode
- Área
- devtools
- Tipo de issue
- Error
- Dificultad
- 4/5
- Tiempo estimado
- 3-5 días
- Estado de actividad
- Estancado
- Claridad
- Bastante claro
- Aptitud para principiantes
- 32/100