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Exception thrown when starting mapping from scratch in VS Code #147

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tpluscode opened this issue Aug 8, 2023 · 1 comment
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Exception thrown when starting mapping from scratch in VS Code #147

tpluscode opened this issue Aug 8, 2023 · 1 comment
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@tpluscode
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I found that it was impossible to start a fresh mapping in a project. When I added the first .xrm file the xtext server would crash. I could fix this by adding any content to the mapping and restarting the IDE

Aug 08, 2023 2:14:04 PM org.eclipse.lsp4j.jsonrpc.RemoteEndpoint fallbackResponseError
SEVERE: Internal error: java.util.NoSuchElementException: No value present
java.util.concurrent.CompletionException: java.util.NoSuchElementException: No value present
	at java.base/java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:332)
	at java.base/java.util.concurrent.CompletableFuture.completeThrowable(CompletableFuture.java:347)
	at java.base/java.util.concurrent.CompletableFuture$UniApply.tryFire(CompletableFuture.java:636)
	at java.base/java.util.concurrent.CompletableFuture.postComplete(CompletableFuture.java:510)
	at java.base/java.util.concurrent.CompletableFuture.completeExceptionally(CompletableFuture.java:2162)
	at org.eclipse.xtext.ide.server.concurrent.AbstractRequest.logAndCompleteExceptionally(AbstractRequest.java:73)
	at org.eclipse.xtext.ide.server.concurrent.WriteRequest.run(WriteRequest.java:55)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:833)
Caused by: java.util.NoSuchElementException: No value present
	at java.base/java.util.Optional.get(Optional.java:143)
	at com.zazuko.rdfmapping.dsl.generator.RdfMappingGenerator.doGenerate(RdfMappingGenerator.java:57)
	at org.eclipse.xtext.generator.GeneratorDelegate.doGenerate(GeneratorDelegate.java:44)
	at org.eclipse.xtext.generator.GeneratorDelegate.generate(GeneratorDelegate.java:35)
	at org.eclipse.xtext.build.IncrementalBuilder$InternalStatefulIncrementalBuilder.generate(IncrementalBuilder.java:349)
	at org.eclipse.xtext.build.IncrementalBuilder$InternalStatefulIncrementalBuilder.lambda$launch$2(IncrementalBuilder.java:277)
	at com.google.common.collect.Iterators$6.transform(Iterators.java:783)
	at com.google.common.collect.TransformedIterator.next(TransformedIterator.java:47)
	at com.google.common.collect.FluentIterable.copyInto(FluentIterable.java:791)
	at org.eclipse.xtext.build.ClusteringStorageAwareResourceLoader.executeClustered(ClusteringStorageAwareResourceLoader.java:69)
	at org.eclipse.xtext.build.BuildContext.executeClustered(BuildContext.java:55)
	at org.eclipse.xtext.build.IncrementalBuilder$InternalStatefulIncrementalBuilder.launch(IncrementalBuilder.java:259)
	at org.eclipse.xtext.build.IncrementalBuilder.build(IncrementalBuilder.java:412)
	at org.eclipse.xtext.build.IncrementalBuilder.build(IncrementalBuilder.java:394)
	at org.eclipse.xtext.ide.server.ProjectManager.doBuild(ProjectManager.java:106)
	at org.eclipse.xtext.ide.server.ProjectManager.doInitialBuild(ProjectManager.java:97)
	at org.eclipse.xtext.ide.server.BuildManager.doInitialBuild(BuildManager.java:164)
	at org.eclipse.xtext.ide.server.WorkspaceManager.refreshWorkspaceConfig(WorkspaceManager.java:233)
	at org.eclipse.xtext.ide.server.WorkspaceManager.initialize(WorkspaceManager.java:170)
	at org.eclipse.xtext.ide.server.LanguageServerImpl.lambda$initialize$0(LanguageServerImpl.java:225)
	at org.eclipse.xtext.ide.server.concurrent.WriteRequest.run(WriteRequest.java:50)
	... 5 more

[Error - 14:14:04] Server initialization failed.
  Message: Internal error.
  Code: -32603 
java.util.concurrent.CompletionException: java.util.NoSuchElementException: No value present
	at java.base/java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:332)
	at java.base/java.util.concurrent.CompletableFuture.completeThrowable(CompletableFuture.java:347)
	at java.base/java.util.concurrent.CompletableFuture$UniApply.tryFire(CompletableFuture.java:636)
	at java.base/java.util.concurrent.CompletableFuture.postComplete(CompletableFuture.java:510)
	at java.base/java.util.concurrent.CompletableFuture.completeExceptionally(CompletableFuture.java:2162)
	at org.eclipse.xtext.ide.server.concurrent.AbstractRequest.logAndCompleteExceptionally(AbstractRequest.java:73)
	at org.eclipse.xtext.ide.server.concurrent.WriteRequest.run(WriteRequest.java:55)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:833)
Caused by: java.util.NoSuchElementException: No value present
	at java.base/java.util.Optional.get(Optional.java:143)
	at com.zazuko.rdfmapping.dsl.generator.RdfMappingGenerator.doGenerate(RdfMappingGenerator.java:57)
	at org.eclipse.xtext.generator.GeneratorDelegate.doGenerate(GeneratorDelegate.java:44)
	at org.eclipse.xtext.generator.GeneratorDelegate.generate(GeneratorDelegate.java:35)
	at org.eclipse.xtext.build.IncrementalBuilder$InternalStatefulIncrementalBuilder.generate(IncrementalBuilder.java:349)
	at org.eclipse.xtext.build.IncrementalBuilder$InternalStatefulIncrementalBuilder.lambda$launch$2(IncrementalBuilder.java:277)
	at com.google.common.collect.Iterators$6.transform(Iterators.java:783)
	at com.google.common.collect.TransformedIterator.next(TransformedIterator.java:47)
	at com.google.common.collect.FluentIterable.copyInto(FluentIterable.java:791)
	at org.eclipse.xtext.build.ClusteringStorageAwareResourceLoader.executeClustered(ClusteringStorageAwareResourceLoader.java:69)
	at org.eclipse.xtext.build.BuildContext.executeClustered(BuildContext.java:55)
	at org.eclipse.xtext.build.IncrementalBuilder$InternalStatefulIncrementalBuilder.launch(IncrementalBuilder.java:259)
	at org.eclipse.xtext.build.IncrementalBuilder.build(IncrementalBuilder.java:412)
	at org.eclipse.xtext.build.IncrementalBuilder.build(IncrementalBuilder.java:394)
	at org.eclipse.xtext.ide.server.ProjectManager.doBuild(ProjectManager.java:106)
	at org.eclipse.xtext.ide.server.ProjectManager.doInitialBuild(ProjectManager.java:97)
	at org.eclipse.xtext.ide.server.BuildManager.doInitialBuild(BuildManager.java:164)
	at org.eclipse.xtext.ide.server.WorkspaceManager.refreshWorkspaceConfig(WorkspaceManager.java:233)
	at org.eclipse.xtext.ide.server.WorkspaceManager.initialize(WorkspaceManager.java:170)
	at org.eclipse.xtext.ide.server.LanguageServerImpl.lambda$initialize$0(LanguageServerImpl.java:225)
	at org.eclipse.xtext.ide.server.concurrent.WriteRequest.run(WriteRequest.java:50)
	... 5 more

[Error - 14:14:04] Starting client failed
  Message: Internal error.
  Code: -32603 
java.util.concurrent.CompletionException: java.util.NoSuchElementException: No value present
	at java.base/java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:332)
	at java.base/java.util.concurrent.CompletableFuture.completeThrowable(CompletableFuture.java:347)
	at java.base/java.util.concurrent.CompletableFuture$UniApply.tryFire(CompletableFuture.java:636)
	at java.base/java.util.concurrent.CompletableFuture.postComplete(CompletableFuture.java:510)
	at java.base/java.util.concurrent.CompletableFuture.completeExceptionally(CompletableFuture.java:2162)
	at org.eclipse.xtext.ide.server.concurrent.AbstractRequest.logAndCompleteExceptionally(AbstractRequest.java:73)
	at org.eclipse.xtext.ide.server.concurrent.WriteRequest.run(WriteRequest.java:55)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:833)
Caused by: java.util.NoSuchElementException: No value present
	at java.base/java.util.Optional.get(Optional.java:143)
	at com.zazuko.rdfmapping.dsl.generator.RdfMappingGenerator.doGenerate(RdfMappingGenerator.java:57)
	at org.eclipse.xtext.generator.GeneratorDelegate.doGenerate(GeneratorDelegate.java:44)
	at org.eclipse.xtext.generator.GeneratorDelegate.generate(GeneratorDelegate.java:35)
	at org.eclipse.xtext.build.IncrementalBuilder$InternalStatefulIncrementalBuilder.generate(IncrementalBuilder.java:349)
	at org.eclipse.xtext.build.IncrementalBuilder$InternalStatefulIncrementalBuilder.lambda$launch$2(IncrementalBuilder.java:277)
	at com.google.common.collect.Iterators$6.transform(Iterators.java:783)
	at com.google.common.collect.TransformedIterator.next(TransformedIterator.java:47)
	at com.google.common.collect.FluentIterable.copyInto(FluentIterable.java:791)
	at org.eclipse.xtext.build.ClusteringStorageAwareResourceLoader.executeClustered(ClusteringStorageAwareResourceLoader.java:69)
	at org.eclipse.xtext.build.BuildContext.executeClustered(BuildContext.java:55)
	at org.eclipse.xtext.build.IncrementalBuilder$InternalStatefulIncrementalBuilder.launch(IncrementalBuilder.java:259)
	at org.eclipse.xtext.build.IncrementalBuilder.build(IncrementalBuilder.java:412)
	at org.eclipse.xtext.build.IncrementalBuilder.build(IncrementalBuilder.java:394)
	at org.eclipse.xtext.ide.server.ProjectManager.doBuild(ProjectManager.java:106)
	at org.eclipse.xtext.ide.server.ProjectManager.doInitialBuild(ProjectManager.java:97)
	at org.eclipse.xtext.ide.server.BuildManager.doInitialBuild(BuildManager.java:164)
	at org.eclipse.xtext.ide.server.WorkspaceManager.refreshWorkspaceConfig(WorkspaceManager.java:233)
	at org.eclipse.xtext.ide.server.WorkspaceManager.initialize(WorkspaceManager.java:170)
	at org.eclipse.xtext.ide.server.LanguageServerImpl.lambda$initialize$0(LanguageServerImpl.java:225)
	at org.eclipse.xtext.ide.server.concurrent.WriteRequest.run(WriteRequest.java:50)
	... 5 more
@mchlrch mchlrch transferred this issue from zazuko/expressive-rdf-mapper Dec 5, 2023
@mchlrch mchlrch added the bug Something isn't working label Dec 13, 2023
mchlrch added a commit that referenced this issue Dec 13, 2023
@mchlrch
fix empty mapping files crashing the language-server in vscode #147
99a9fe7 
NoSuchElementException in RdfMappingGenerator
mchlrch added a commit to zazuko/expressive-rdf-mapper that referenced this issue Dec 18, 2023
@mchlrch
xrm 1.5.0
9dd1567 
zazuko/xrm#31
zazuko/xrm#151
zazuko/xrm#147
@mchlrch
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mchlrch commented Dec 19, 2023

Resolved in xrm version 1.5.0

@mchlrch mchlrch closed this as completed Dec 19, 2023
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