redhat-developer / redhat-developer/vscode-java

Code completion not working

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Description

Code completion is all but non-existent when typing in a .java file.

Environment
  • Operating System: macOS Mojave 10.14.4
  • JDK version: 12.0.1
  • Visual Studio Code version: 1.33.1
  • Java extension version: 0.6.0
Steps To Reproduce

n-a

Logs:

Language support for java log:

[Error - 3:01:13 PM] 25 Apr. 2019, 3:01:13 pm Problems occurred when invoking code from plug-in: "org.eclipse.jdt.ls.core".
null
java.lang.NullPointerException
at com.microsoft.java.test.plugin.util.ProjectUtils.lambda$0(ProjectUtils.java:80)
at java.base/java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:176)
at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948)
at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484)
at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474)
at java.base/java.util.stream.ReduceOps$ReduceOp.evaluateSequential(ReduceOps.java:913)
at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234)
at java.base/java.util.stream.ReferencePipeline.collect(ReferencePipeline.java:578)
at com.microsoft.java.test.plugin.util.ProjectUtils.parseProjects(ProjectUtils.java:83)
at com.microsoft.java.test.plugin.util.ProjectUtils.getTestSourcePaths(ProjectUtils.java:63)
at com.microsoft.java.test.plugin.handler.TestDelegateCommandHandler.executeCommand(TestDelegateCommandHandler.java:40)
at org.eclipse.jdt.ls.core.internal.handlers.WorkspaceExecuteCommandHandler$1.run(WorkspaceExecuteCommandHandler.java:151)
at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:45)
at org.eclipse.jdt.ls.core.internal.handlers.WorkspaceExecuteCommandHandler.executeCommand(WorkspaceExecuteCommandHandler.java:141)
at org.eclipse.jdt.ls.core.internal.handlers.JDTLanguageServer.lambda$3(JDTLanguageServer.java:439)
at org.eclipse.jdt.ls.core.internal.handlers.JDTLanguageServer.lambda$33(JDTLanguageServer.java:835)
at java.base/java.util.concurrent.CompletableFuture$UniApply.tryFire(CompletableFuture.java:642)
at java.base/java.util.concurrent.CompletableFuture$Completion.exec(CompletableFuture.java:479)
at java.base/java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:290)
at java.base/java.util.concurrent.ForkJoinPool$WorkQueue.topLevelExec(ForkJoinPool.java:1020)
at java.base/java.util.concurrent.ForkJoinPool.scan(ForkJoinPool.java:1656)
at java.base/java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1594)
at java.base/java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:177)

[Error - 3:01:13 PM] 25 Apr. 2019, 3:01:13 pm Error in calling delegate command handler
null
java.lang.NullPointerException
at com.microsoft.java.test.plugin.util.ProjectUtils.lambda$0(ProjectUtils.java:80)
at java.base/java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:176)
at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948)
at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484)
at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474)
at java.base/java.util.stream.ReduceOps$ReduceOp.evaluateSequential(ReduceOps.java:913)
at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234)
at java.base/java.util.stream.ReferencePipeline.collect(ReferencePipeline.java:578)
at com.microsoft.java.test.plugin.util.ProjectUtils.parseProjects(ProjectUtils.java:83)
at com.microsoft.java.test.plugin.util.ProjectUtils.getTestSourcePaths(ProjectUtils.java:63)
at com.microsoft.java.test.plugin.handler.TestDelegateCommandHandler.executeCommand(TestDelegateCommandHandler.java:40)
at org.eclipse.jdt.ls.core.internal.handlers.WorkspaceExecuteCommandHandler$1.run(WorkspaceExecuteCommandHandler.java:151)
at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:45)
at org.eclipse.jdt.ls.core.internal.handlers.WorkspaceExecuteCommandHandler.executeCommand(WorkspaceExecuteCommandHandler.java:141)
at org.eclipse.jdt.ls.core.internal.handlers.JDTLanguageServer.lambda$3(JDTLanguageServer.java:439)
at org.eclipse.jdt.ls.core.internal.handlers.JDTLanguageServer.lambda$33(JDTLanguageServer.java:835)
at java.base/java.util.concurrent.CompletableFuture$UniApply.tryFire(CompletableFuture.java:642)
at java.base/java.util.concurrent.CompletableFuture$Completion.exec(CompletableFuture.java:479)
at java.base/java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:290)
at java.base/java.util.concurrent.ForkJoinPool$WorkQueue.topLevelExec(ForkJoinPool.java:1020)
at java.base/java.util.concurrent.ForkJoinPool.scan(ForkJoinPool.java:1656)
at java.base/java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1594)
at java.base/java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:177)

Current Result

Within a .java file, typing "class", amongst others, does not offer any code snippets.

Expected Result

Within a .java file, typing "class" should result in code snippet suggestions, as per https://code.visualstudio.com/docs/java/java-tutorial

Additional Informations

Guide de contribution

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  4. Ouvrez une pull request qui référence le numéro de l'issue.

Piste de recherche

Commencez par reproduire la complétion dans un fichier .java et retracer l’échec journalisé à ProjectUtils.java:80 via parseProjects et getTestSourcePaths. Examinez TestDelegateCommandHandler.executeCommand et le chemin d’appel de org.eclipse.jdt.ls.core. C’est terminé lorsque la saisie de "class" produit les suggestions de snippets Java attendues sans la NullPointerException signalée.

Rédigé par le modèle d'indexation à partir du texte de l'issue.

Évaluation

Stack technique
java, vscode
Domaine
developer-experience, tooling
Type d'issue
Bug
Difficulté
4/5
Temps estimé
3-5 jours
Activité
À l'abandon
Clarté
À clarifier
Accessibilité débutants
25/100

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