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wrap all calls to StringLiteral.getLiteralValue via ASTUtils to avoid IllegalStateException #1434

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@martinlippert

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@martinlippert

Came across the already mentioned multi-threading issue around StringLiteral.getLiteralValue again (see below). Looks like we need to walk through the code and wrap all calls to getLiteralValue via the corresponding method in ASTUtils

21:40:33.329 [pool-2-thread-3] ERROR o.s.i.v.b.j.r.RequestMappingSymbolProvider - problem occured while scanning for request mapping symbols from file:///Users/martinlippert/Engineering/projects/test-projects/spring-petclinic-large/src/main/java/org/springframework/samples/petclinic/owner/OwnerController.java
java.lang.IllegalArgumentException: null
	at org.eclipse.jdt.core.dom.StringLiteral.getLiteralValue(StringLiteral.java:233)
	at org.springframework.ide.vscode.boot.java.utils.ASTUtils.getLiteralValue(ASTUtils.java:199)
	at org.springframework.ide.vscode.boot.java.utils.ASTUtils.getExpressionValueAsString(ASTUtils.java:205)
	at org.springframework.ide.vscode.boot.java.utils.ASTUtils.getExpressionValueAsArray(ASTUtils.java:240)
	at org.springframework.ide.vscode.boot.java.requestmapping.RequestMappingSymbolProvider.getPath(RequestMappingSymbolProvider.java:94)
	at org.springframework.ide.vscode.boot.java.requestmapping.RequestMappingSymbolProvider.addSymbolsPass1(RequestMappingSymbolProvider.java:60)
	at org.springframework.ide.vscode.boot.java.handlers.AbstractSymbolProvider.addSymbols(AbstractSymbolProvider.java:31)
	at org.springframework.ide.vscode.boot.java.utils.SpringIndexerJava.extractSymbolInformation(SpringIndexerJava.java:765)
	at org.springframework.ide.vscode.boot.java.utils.SpringIndexerJava$8.visit(SpringIndexerJava.java:641)
	at org.eclipse.jdt.core.dom.SingleMemberAnnotation.accept0(SingleMemberAnnotation.java:151)
	at org.eclipse.jdt.core.dom.ASTNode.accept(ASTNode.java:3343)
	at org.eclipse.jdt.core.dom.ASTNode.acceptChildren(ASTNode.java:3414)
	at org.eclipse.jdt.core.dom.MethodDeclaration.accept0(MethodDeclaration.java:660)
	at org.eclipse.jdt.core.dom.ASTNode.accept(ASTNode.java:3343)
	at org.eclipse.jdt.core.dom.ASTNode.acceptChildren(ASTNode.java:3414)
	at org.eclipse.jdt.core.dom.TypeDeclaration.accept0(TypeDeclaration.java:498)
	at org.eclipse.jdt.core.dom.ASTNode.accept(ASTNode.java:3343)
	at org.eclipse.jdt.core.dom.ASTNode.acceptChildren(ASTNode.java:3414)
	at org.eclipse.jdt.core.dom.CompilationUnit.accept0(CompilationUnit.java:258)
	at org.eclipse.jdt.core.dom.ASTNode.accept(ASTNode.java:3343)
	at org.springframework.ide.vscode.boot.java.utils.SpringIndexerJava.scanAST(SpringIndexerJava.java:612)
	at org.springframework.ide.vscode.boot.java.utils.SpringIndexerJava.lambda$13(SpringIndexerJava.java:361)
	at org.springframework.ide.vscode.boot.java.utils.CompilationUnitCache.withCompilationUnit(CompilationUnitCache.java:240)
	at org.springframework.ide.vscode.boot.java.utils.SpringIndexerJava.computeSymbols(SpringIndexerJava.java:338)
	at org.springframework.ide.vscode.boot.app.SpringSymbolIndex.getSymbols(SpringSymbolIndex.java:723)
	at org.springframework.ide.vscode.boot.java.BootJavaLanguageServerComponents.lambda$0(BootJavaLanguageServerComponents.java:175)
	at org.springframework.ide.vscode.commons.languageserver.composable.CompositeLanguageServerComponents$6.lambda$2(CompositeLanguageServerComponents.java:203)
	at java.base/java.util.stream.ReferencePipeline$7$1.accept(ReferencePipeline.java:273)
	at java.base/java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:179)
	at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:197)
	at java.base/java.util.ArrayList$ArrayListSpliterator.forEachRemaining(ArrayList.java:1708)
	at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:509)
	at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:499)
	at java.base/java.util.stream.ReduceOps$ReduceOp.evaluateSequential(ReduceOps.java:921)
	at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234)
	at java.base/java.util.stream.ReferencePipeline.collect(ReferencePipeline.java:682)
	at org.springframework.ide.vscode.commons.languageserver.composable.CompositeLanguageServerComponents$6.handle(CompositeLanguageServerComponents.java:204)
	at org.springframework.ide.vscode.commons.languageserver.util.SimpleTextDocumentService.lambda$8(SimpleTextDocumentService.java:444)
	at java.base/java.util.concurrent.CompletableFuture$UniApply.tryFire(CompletableFuture.java:646)
	at java.base/java.util.concurrent.CompletableFuture$Completion.run(CompletableFuture.java:482)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642)
	at java.base/java.lang.Thread.run(Thread.java:1583)
21:40:33.328 [Reconciler-1] ERROR o.s.i.v.b.j.u.CompilationUnitCache - 
java.lang.IllegalArgumentException: null
	at org.eclipse.jdt.core.dom.StringLiteral.getLiteralValue(StringLiteral.java:230)
	at org.springframework.ide.vscode.boot.java.reconcilers.ImplicitWebAnnotationNamesReconciler.getAnnotationParameter(ImplicitWebAnnotationNamesReconciler.java:144)
	at org.springframework.ide.vscode.boot.java.reconcilers.ImplicitWebAnnotationNamesReconciler.isApplicableWebAnnotation(ImplicitWebAnnotationNamesReconciler.java:120)
	at org.springframework.ide.vscode.boot.java.reconcilers.ImplicitWebAnnotationNamesReconciler$1.processWebAnnotation(ImplicitWebAnnotationNamesReconciler.java:93)
	at org.springframework.ide.vscode.boot.java.reconcilers.ImplicitWebAnnotationNamesReconciler$1.visit(ImplicitWebAnnotationNamesReconciler.java:88)
	at org.springframework.ide.vscode.boot.java.reconcilers.CompositeASTVisitor.visit(CompositeASTVisitor.java:103)
	at org.eclipse.jdt.core.dom.SingleMemberAnnotation.accept0(SingleMemberAnnotation.java:151)
	at org.eclipse.jdt.core.dom.ASTNode.accept(ASTNode.java:3343)
	at org.eclipse.jdt.core.dom.ASTNode.acceptChildren(ASTNode.java:3414)
	at org.eclipse.jdt.core.dom.MethodDeclaration.accept0(MethodDeclaration.java:660)
	at org.eclipse.jdt.core.dom.ASTNode.accept(ASTNode.java:3343)
	at org.eclipse.jdt.core.dom.ASTNode.acceptChildren(ASTNode.java:3414)
	at org.eclipse.jdt.core.dom.TypeDeclaration.accept0(TypeDeclaration.java:498)
	at org.eclipse.jdt.core.dom.ASTNode.accept(ASTNode.java:3343)
	at org.eclipse.jdt.core.dom.ASTNode.acceptChildren(ASTNode.java:3414)
	at org.eclipse.jdt.core.dom.CompilationUnit.accept0(CompilationUnit.java:258)
	at org.eclipse.jdt.core.dom.ASTNode.accept(ASTNode.java:3343)
	at org.springframework.ide.vscode.boot.java.reconcilers.JdtReconciler.reconcile(JdtReconciler.java:125)
	at org.springframework.ide.vscode.boot.java.reconcilers.JdtReconciler.lambda$2(JdtReconciler.java:91)
	at org.springframework.ide.vscode.boot.java.utils.CompilationUnitCache.withCompilationUnit(CompilationUnitCache.java:240)
	at org.springframework.ide.vscode.boot.java.reconcilers.JdtReconciler.reconcile(JdtReconciler.java:88)
	at org.springframework.ide.vscode.boot.java.handlers.BootJavaReconcileEngine.reconcile(BootJavaReconcileEngine.java:76)
	at org.springframework.ide.vscode.commons.languageserver.composable.CompositeLanguageServerComponents$1.reconcile(CompositeLanguageServerComponents.java:105)
	at org.springframework.ide.vscode.commons.languageserver.util.SimpleLanguageServer.lambda$13(SimpleLanguageServer.java:781)
	at reactor.core.publisher.MonoRunnable.subscribe(MonoRunnable.java:49)
	at reactor.core.publisher.InternalMonoOperator.subscribe(InternalMonoOperator.java:76)
	at reactor.core.publisher.MonoIgnoreThen$ThenIgnoreMain.subscribeNext(MonoIgnoreThen.java:241)
	at reactor.core.publisher.MonoIgnoreThen$ThenIgnoreMain.onComplete(MonoIgnoreThen.java:204)
	at reactor.core.publisher.FluxOnAssembly$OnAssemblySubscriber.onComplete(FluxOnAssembly.java:549)
	at reactor.core.publisher.MonoPublishOn$PublishOnSubscriber.run(MonoPublishOn.java:182)
	at reactor.core.scheduler.SchedulerTask.call(SchedulerTask.java:68)
	at reactor.core.scheduler.SchedulerTask.call(SchedulerTask.java:28)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642)
	at java.base/java.lang.Thread.run(Thread.java:1583)

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