microsoft / microsoft/vscode-java-debug
Unable to Debug/Attch Java Maven on Vscode
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Description
Unable to debug Java Maven Project.
Environment
- Operating System: Win10 Enterprise . Build No : 19045.3208 version : 22H2
- JDK version: 1.8.0_281
- Visual Studio Code version: 1.81.1 User Setup
- Java extension version: 0.25.13
- Java Debugger extension version: v0.54.0
Steps To Reproduce
- Vs code setting.json
{
"update.mode": "none",
"workbench.startupEditor": "none",
"telemetry.telemetryLevel": "off",
"java.autobuild.enabled": false,
"java.configuration.runtimes": [
{
"name": "JavaSE-1.8",
"default": true,
"path": "C:\\Program Files\\Java\\jdk1.8.0_281"
}
]
}
- java debug log file
!ENTRY java-debug 1 0 2023-08-29 22:05:54.430
!MESSAGE Trying to attach to remote debuggee VM localhost:61739 .!ENTRY java-debug 4 0 2023-08-29 22:05:54.468
!MESSAGE [error response][attach]: Failed to attach to remote debuggee VM. Reason: java.net.ConnectException: Connection refused: connect
!STACK 0
com.microsoft.java.debug.core.DebugException: Failed to attach to remote debuggee VM. Reason: java.net.ConnectException: Connection refused: connect
at com.microsoft.java.debug.core.adapter.AdapterUtils.createCompletionException(AdapterUtils.java:266)
at com.microsoft.java.debug.core.adapter.handler.AttachRequestHandler.handle(AttachRequestHandler.java:81)
at com.microsoft.java.debug.core.adapter.DebugAdapter.lambda$dispatchRequest$0(DebugAdapter.java:94)
at java.base/java.util.concurrent.CompletableFuture.uniComposeStage(Unknown Source)
at java.base/java.util.concurrent.CompletableFuture.thenCompose(Unknown Source)
at com.microsoft.java.debug.core.adapter.DebugAdapter.dispatchRequest(DebugAdapter.java:93)
at com.microsoft.java.debug.core.adapter.ProtocolServer.dispatchRequest(ProtocolServer.java:118)
at com.microsoft.java.debug.core.protocol.AbstractProtocolServer.lambda$new$0(AbstractProtocolServer.java:81)
at io.reactivex.internal.observers.LambdaObserver.onNext(LambdaObserver.java:63)
at io.reactivex.internal.operators.observable.ObservableObserveOn$ObserveOnObserver.drainNormal(ObservableObserveOn.java:201)
at io.reactivex.internal.operators.observable.ObservableObserveOn$ObserveOnObserver.run(ObservableObserveOn.java:255)
at io.reactivex.internal.schedulers.ScheduledRunnable.run(ScheduledRunnable.java:66)
at io.reactivex.internal.schedulers.ScheduledRunnable.call(ScheduledRunnable.java:57)
at java.base/java.util.concurrent.FutureTask.run(Unknown Source)
at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(Unknown Source)
at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
at java.base/java.lang.Thread.run(Unknown Source)
Caused by: java.net.ConnectException: Connection refused: connect
at java.base/sun.nio.ch.Net.connect0(Native Method)
at java.base/sun.nio.ch.Net.connect(Unknown Source)
at java.base/sun.nio.ch.Net.connect(Unknown Source)
at java.base/sun.nio.ch.NioSocketImpl.connect(Unknown Source)
at java.base/java.net.SocksSocketImpl.connect(Unknown Source)
at java.base/java.net.Socket.connect(Unknown Source)
at java.base/java.net.Socket.connect(Unknown Source)
at java.base/java.net.Socket.(Unknown Source)
at java.base/java.net.Socket.(Unknown Source)
at org.eclipse.jdi.internal.connect.SocketTransportService$2.run(SocketTransportService.java:147)
... 1 more
Launch setting file
{
"type": "java",
"name": "Attach Service",
"request": "attach",
"processId" : "${command:PickJavaProcess}",
"timeout": 300000
}
Current Result
When the type is launch in Launch setting , the debugger starts but after a certain time period the debugger stops , but application is in running mode in the backend . on Debugger console I can see "ERROR: transport error 202: recv error: Connection reset by peer".
So I tried to do attach java process , Vscode is not able to attach , it shows the java process on popup , when I click on it , it throws error dialog saying "Failed to attach remote debuggee VM. Reason java.net.connectException:connection refused connect"
Expected Result
debugger should work
Additional Informations
Back 5/6months ago , I was able to do the debugging correct with the same project on vscode , then I recently updated it to debug the same project and its throwing exception now.
Guide de contribution
Ouvrir le guide de contribution
Par où commencer
- Lisez l'issue en entier, puis le guide de contribution du projet.
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- Forkez le dépôt et travaillez sur une branche.
- Ouvrez une pull request qui référence le numéro de l'issue.
Piste de recherche
Commencez par reproduire l’échec avec le setting.json fourni et la configuration de lancement Java, puis examinez le journal java-debug autour de AttachRequestHandler.java et de l’erreur connection-refused. Comparez le comportement du lancement et de l’attach sur les versions de Windows et de JDK signalées ; le travail est terminé lorsque le débogueur reste connecté et peut s’attacher au processus Java sélectionné.
Rédigé par le modèle d'indexation à partir du texte de l'issue.
Évaluation
- Stack technique
- java, vscode
- Domaine
- developer-experience, devtools
- Type d'issue
- Bug
- Difficulté
- 4/5
- Temps estimé
- 3-5 jours
- Activité
- À l'abandon
- Clarté
- À clarifier
- Accessibilité débutants
- 25/100