redhat-developer / redhat-developer/vscode-java

Code completion not working

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#899 4 comentários 0 reações 0 responsáveis Ver no GitHub

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PRs com merge (30d)
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Descrição

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

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  3. Faça um fork do repositório e trabalhe em uma branch.
  4. Abra um pull request que referencie o número da issue.

Direção de pesquisa

Comece reproduzindo a conclusão em um arquivo .java e rastreando a falha registrada em ProjectUtils.java:80 por meio de parseProjects e getTestSourcePaths. Inspecione TestDelegateCommandHandler.executeCommand e o caminho de chamadas de org.eclipse.jdt.ls.core. Está concluído quando digitar "class" produz as sugestões esperadas de snippets Java sem a NullPointerException relatada.

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Avaliação

Stack de tecnologia
java, vscode
Domínio
developer-experience, tooling
Tipo de issue
Bug
Dificuldade
4/5
Tempo estimado
3-5 dias
Status de atividade
Estagnada
Clareza
Precisa de esclarecimento
Facilidade para iniciantes
25/100

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