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After installing STS 3.7.3 based on Eclipse Neon 4.6 I get the following exceptions !ENTRY org.eclipse.jdt.ui 4 2 2016-04-04 17:55:50.979 !MESSAGE Problems occurred when invoking code from plug-in: "org.eclipse.jdt.ui". !STACK 0 java.lang.NoSuchMethodError: org.eclipse.jdt.internal.compiler.env.NameEnvironmentAnswer.<init>([Lorg/eclipse/jdt/internal/compiler/env/ISourceType;Lorg/eclipse/jdt/internal/compiler/env/AccessRestriction;)V at org.eclipse.ajdt.core.codeconversion.ITDAwareNameEnvironment.find(ITDAwareNameEnvironment.java:115) at org.eclipse.jdt.internal.core.SearchableEnvironment.findType(SearchableEnvironment.java:305) at org.eclipse.jdt.internal.core.CancelableNameEnvironment.findType(CancelableNameEnvironment.java:45) at org.eclipse.jdt.internal.compiler.lookup.LookupEnvironment.askForType(LookupEnvironment.java:174) at org.eclipse.jdt.internal.compiler.lookup.PackageBinding.getTypeOrPackage(PackageBinding.java:201) at org.eclipse.jdt.internal.compiler.lookup.CompilationUnitScope.findImport(CompilationUnitScope.java:466) at org.eclipse.jdt.internal.compiler.lookup.CompilationUnitScope.findSingleImport(CompilationUnitScope.java:520) at org.eclipse.jdt.internal.compiler.lookup.CompilationUnitScope.faultInImports(CompilationUnitScope.java:397) at org.eclipse.jdt.internal.compiler.lookup.CompilationUnitScope.faultInTypes(CompilationUnitScope.java:445) at org.eclipse.jdt.internal.compiler.Compiler.resolve(Compiler.java:1016) at org.eclipse.ajdt.core.parserbridge.AJCompilationUnitProblemFinder.processAJ(AJCompilationUnitProblemFinder.java:236) at org.eclipse.ajdt.ui.AJDTNameEnvironmentProvider.problemFind(AJDTNameEnvironmentProvider.java:79) at org.eclipse.contribution.jdt.itdawareness.ITDAwarenessAspect.ajc$around$org_eclipse_contribution_jdt_itdawareness_ITDAwarenessAspect$4$8b05d765(ITDAwarenessAspect.aj:234) at org.eclipse.jdt.internal.core.CompilationUnitProblemFinder.process(CompilationUnitProblemFinder.java:172) at org.eclipse.jdt.internal.core.CompilationUnitProblemFinder.process(CompilationUnitProblemFinder.java:271) at org.eclipse.jdt.internal.core.ReconcileWorkingCopyOperation.makeConsistent(ReconcileWorkingCopyOperation.java:191) at org.eclipse.jdt.internal.core.ReconcileWorkingCopyOperation.executeOperation(ReconcileWorkingCopyOperation.java:90) at org.eclipse.jdt.internal.core.JavaModelOperation.run(JavaModelOperation.java:724) at org.eclipse.jdt.internal.core.JavaModelOperation.runOperation(JavaModelOperation.java:790) at org.eclipse.jdt.internal.core.CompilationUnit.reconcile(CompilationUnit.java:1250) at org.eclipse.jdt.internal.ui.text.java.JavaReconcilingStrategy.reconcile(JavaReconcilingStrategy.java:128) at org.eclipse.jdt.internal.ui.text.java.JavaReconcilingStrategy.access$0(JavaReconcilingStrategy.java:110) at org.eclipse.jdt.internal.ui.text.java.JavaReconcilingStrategy$1.run(JavaReconcilingStrategy.java:90) at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42) at org.eclipse.jdt.internal.ui.text.java.JavaReconcilingStrategy.reconcile(JavaReconcilingStrategy.java:87) at org.eclipse.jdt.internal.ui.text.java.JavaReconcilingStrategy.reconcile(JavaReconcilingStrategy.java:154) at org.eclipse.jdt.internal.ui.text.CompositeReconcilingStrategy.reconcile(CompositeReconcilingStrategy.java:89) at org.eclipse.jdt.internal.ui.text.JavaCompositeReconcilingStrategy.reconcile(JavaCompositeReconcilingStrategy.java:104) at org.eclipse.jface.text.reconciler.MonoReconciler.process(MonoReconciler.java:73) at org.eclipse.jface.text.reconciler.AbstractReconciler$BackgroundThread.run(AbstractReconciler.java:207) !ENTRY org.eclipse.jdt.ui 4 0 2016-04-04 17:55:50.980 !MESSAGE Error in JDT Core during reconcile !STACK 0 java.lang.NoSuchMethodError: org.eclipse.jdt.internal.compiler.env.NameEnvironmentAnswer.<init>([Lorg/eclipse/jdt/internal/compiler/env/ISourceType;Lorg/eclipse/jdt/internal/compiler/env/AccessRestriction;)V at org.eclipse.ajdt.core.codeconversion.ITDAwareNameEnvironment.find(ITDAwareNameEnvironment.java:115) at org.eclipse.jdt.internal.core.SearchableEnvironment.findType(SearchableEnvironment.java:305) at org.eclipse.jdt.internal.core.CancelableNameEnvironment.findType(CancelableNameEnvironment.java:45) at org.eclipse.jdt.internal.compiler.lookup.LookupEnvironment.askForType(LookupEnvironment.java:174) at org.eclipse.jdt.internal.compiler.lookup.PackageBinding.getTypeOrPackage(PackageBinding.java:201) at org.eclipse.jdt.internal.compiler.lookup.CompilationUnitScope.findImport(CompilationUnitScope.java:466) at org.eclipse.jdt.internal.compiler.lookup.CompilationUnitScope.findSingleImport(CompilationUnitScope.java:520) at org.eclipse.jdt.internal.compiler.lookup.CompilationUnitScope.faultInImports(CompilationUnitScope.java:397) at org.eclipse.jdt.internal.compiler.lookup.CompilationUnitScope.faultInTypes(CompilationUnitScope.java:445) at org.eclipse.jdt.internal.compiler.Compiler.resolve(Compiler.java:1016) at org.eclipse.ajdt.core.parserbridge.AJCompilationUnitProblemFinder.processAJ(AJCompilationUnitProblemFinder.java:236) at org.eclipse.ajdt.ui.AJDTNameEnvironmentProvider.problemFind(AJDTNameEnvironmentProvider.java:79) at org.eclipse.contribution.jdt.itdawareness.ITDAwarenessAspect.ajc$around$org_eclipse_contribution_jdt_itdawareness_ITDAwarenessAspect$4$8b05d765(ITDAwarenessAspect.aj:234) at org.eclipse.jdt.internal.core.CompilationUnitProblemFinder.process(CompilationUnitProblemFinder.java:172) at org.eclipse.jdt.internal.core.CompilationUnitProblemFinder.process(CompilationUnitProblemFinder.java:271) at org.eclipse.jdt.internal.core.ReconcileWorkingCopyOperation.makeConsistent(ReconcileWorkingCopyOperation.java:191) at org.eclipse.jdt.internal.core.ReconcileWorkingCopyOperation.executeOperation(ReconcileWorkingCopyOperation.java:90) at org.eclipse.jdt.internal.core.JavaModelOperation.run(JavaModelOperation.java:724) at org.eclipse.jdt.internal.core.JavaModelOperation.runOperation(JavaModelOperation.java:790) at org.eclipse.jdt.internal.core.CompilationUnit.reconcile(CompilationUnit.java:1250) at org.eclipse.jdt.internal.ui.text.java.JavaReconcilingStrategy.reconcile(JavaReconcilingStrategy.java:128) at org.eclipse.jdt.internal.ui.text.java.JavaReconcilingStrategy.access$0(JavaReconcilingStrategy.java:110) at org.eclipse.jdt.internal.ui.text.java.JavaReconcilingStrategy$1.run(JavaReconcilingStrategy.java:90) at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42) at org.eclipse.jdt.internal.ui.text.java.JavaReconcilingStrategy.reconcile(JavaReconcilingStrategy.java:87) at org.eclipse.jdt.internal.ui.text.java.JavaReconcilingStrategy.reconcile(JavaReconcilingStrategy.java:154) at org.eclipse.jdt.internal.ui.text.CompositeReconcilingStrategy.reconcile(CompositeReconcilingStrategy.java:89) at org.eclipse.jdt.internal.ui.text.JavaCompositeReconcilingStrategy.reconcile(JavaCompositeReconcilingStrategy.java:104) at org.eclipse.jface.text.reconciler.MonoReconciler.process(MonoReconciler.java:73) at org.eclipse.jface.text.reconciler.AbstractReconciler$BackgroundThread.run(AbstractReconciler.java:207) -- Configuration Details -- Product: Spring Tool Suite 3.7.3.201602251025-RELEASE (org.springsource.sts.ide) Installed Features: org.eclipse.jdt 3.12.0.v20160317-0200
*** Bug 491031 has been marked as a duplicate of this bug. ***
This is due to the AJDT included in the STS 4.6 based distro still being based on the 4.5 JDT compiler. The fixes are in AJDT already but we are having some problems getting all the tests to pass which needs to happen to trigger the build upload.
4.6 AJDT builds fix this.
(In reply to Andrew Clement from comment #3) > 4.6 AJDT builds fix this. Where do you get 4.6 AJDT? What is the update site?
This is the update site, but I still get the error http://download.eclipse.org/tools/ajdt/46/dev/update/
Same. I've just had to uninstall it for now.
(In reply to Jim Richards from comment #5) > This is the update site, but I still get the error > http://download.eclipse.org/tools/ajdt/46/dev/update/ And this is the problem report from Eclipse https://dev.eclipse.org/recommenders/community/aeri/v2/#!/problems/5721fc98e4b09a0ab221b85c
Same issue here. Workaround for me was to disable jdt weaving as described in https://wiki.eclipse.org/JDT_weaving_features.
I can confirm that the AJDT build from update site http://download.eclipse.org/tools/ajdt/46/dev/update/ fixes the error for me in Neon. I can also use "Run as JUnit" again the menu entry of which was gone for me before updating AJDT.
The last couple of updates have worked without this error.
