java.lang.NullPointerException
	at org.codehaus.jdt.groovy.internal.compiler.ast.GroovyClassScope$TraitHelper.isTrait(GroovyClassScope.java:528)
	at org.codehaus.jdt.groovy.internal.compiler.ast.GroovyClassScope$TraitHelper.access$1(GroovyClassScope.java:518)
	at org.codehaus.jdt.groovy.internal.compiler.ast.GroovyClassScope.augmentMethodBindings(GroovyClassScope.java:77)
	at org.eclipse.jdt.internal.compiler.lookup.ClassScope.buildMethods(ClassScope.java:387)
	at org.eclipse.jdt.internal.compiler.lookup.SourceTypeBinding.initializeForStaticImports(SourceTypeBinding.java:1403)
	at org.eclipse.jdt.internal.compiler.lookup.Scope.findField(Scope.java:1397)
	at org.eclipse.jdt.internal.compiler.lookup.Scope.findField(Scope.java:1344)
	at org.eclipse.jdt.internal.compiler.lookup.MethodScope.findField(MethodScope.java:443)
	at org.eclipse.jdt.internal.compiler.lookup.BlockScope.getBinding(BlockScope.java:554)
	at org.eclipse.jdt.internal.compiler.ast.QualifiedNameReference.resolveType(QualifiedNameReference.java:1015)
	at org.eclipse.jdt.internal.compiler.ast.MemberValuePair.resolveTypeExpecting(MemberValuePair.java:139)
	at org.eclipse.jdt.internal.compiler.ast.Annotation.resolveType(Annotation.java:924)
	at org.eclipse.jdt.internal.compiler.ast.ASTNode.resolveAnnotations(ASTNode.java:865)
	at org.eclipse.jdt.internal.compiler.ast.ASTNode.resolveAnnotations(ASTNode.java:724)
	at org.eclipse.jdt.internal.compiler.lookup.SourceTypeBinding.getAnnotationTagBits(SourceTypeBinding.java:1031)
	at org.eclipse.jdt.internal.compiler.lookup.SourceTypeBinding.retrieveAnnotationHolder(SourceTypeBinding.java:2266)
	at org.eclipse.jdt.internal.compiler.lookup.ReferenceBinding.retrieveAnnotations(ReferenceBinding.java:1742)
	at org.eclipse.jdt.internal.compiler.lookup.ReferenceBinding.getAnnotations(ReferenceBinding.java:1007)
	at org.codehaus.jdt.groovy.internal.compiler.ast.GroovyClassScope$TraitHelper.isTrait(GroovyClassScope.java:525)
	at org.codehaus.jdt.groovy.internal.compiler.ast.GroovyClassScope$TraitHelper.access$1(GroovyClassScope.java:518)
	at org.codehaus.jdt.groovy.internal.compiler.ast.GroovyClassScope.augmentMethodBindings(GroovyClassScope.java:77)
	at org.eclipse.jdt.internal.compiler.lookup.ClassScope.buildMethods(ClassScope.java:387)
	at org.eclipse.jdt.internal.compiler.lookup.ClassScope.buildFieldsAndMethods(ClassScope.java:187)
	at org.codehaus.jdt.groovy.internal.compiler.ast.GroovyClassScope.buildFieldsAndMethods(GroovyClassScope.java:421)
	at org.eclipse.jdt.internal.compiler.lookup.CompilationUnitScope.buildFieldsAndMethods(CompilationUnitScope.java:98)
	at org.eclipse.jdt.internal.compiler.lookup.LookupEnvironment.completeTypeBindings(LookupEnvironment.java:517)
	at org.eclipse.jdt.internal.compiler.Compiler.internalBeginToCompile(Compiler.java:877)
	at org.eclipse.jdt.internal.compiler.Compiler.beginToCompile(Compiler.java:401)
	at org.eclipse.jdt.internal.compiler.Compiler.compile(Compiler.java:451)
	at org.eclipse.jdt.internal.compiler.Compiler.compile(Compiler.java:433)
	at org.eclipse.jdt.internal.core.builder.AbstractImageBuilder.compile(AbstractImageBuilder.java:407)
	at org.eclipse.jdt.internal.core.builder.BatchImageBuilder.compile(BatchImageBuilder.java:215)
	at org.eclipse.jdt.internal.core.builder.AbstractImageBuilder.compile(AbstractImageBuilder.java:339)
	at org.eclipse.jdt.internal.core.builder.BatchImageBuilder.build(BatchImageBuilder.java:77)
	at org.eclipse.jdt.internal.core.builder.JavaBuilder.buildAll(JavaBuilder.java:259)
	at org.eclipse.jdt.internal.core.builder.JavaBuilder.build(JavaBuilder.java:182)
	at org.eclipse.core.internal.events.BuildManager$2.run(BuildManager.java:795)
	at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
	at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:216)
	at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:259)
	at org.eclipse.core.internal.events.BuildManager$1.run(BuildManager.java:312)
	at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
	at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:315)
	at org.eclipse.core.internal.events.BuildManager.basicBuildLoop(BuildManager.java:367)
	at org.eclipse.core.internal.events.BuildManager.build(BuildManager.java:388)
	at org.eclipse.core.internal.events.AutoBuildJob.doBuild(AutoBuildJob.java:142)
	at org.eclipse.core.internal.events.AutoBuildJob.run(AutoBuildJob.java:232)
	at org.eclipse.core.internal.jobs.Worker.run(Worker.java:60)