java.lang.NoSuchFieldError: EMPTY_ARRAY error in code navigation and completion with groovy compiler 1.8.9

[jneira]

Hi, after updating the groovy eclipse to the snapshot version for eclipse mars several operations in the groovy editor doesnt work (code navigation, proposals, etc)
The exception in all cases is:

java.lang.NoSuchFieldError: EMPTY_ARRAY
	at org.eclipse.jdt.groovy.core.util.GroovyUtils.getGenericsTypes(GroovyUtils.java:154)
	at org.eclipse.jdt.groovy.search.GenericsMapper.gatherGenerics(GenericsMapper.java:64)
	at org.eclipse.jdt.groovy.search.TypeLookupResult.resolveTypeParameterization(TypeLookupResult.java:143)
	at org.eclipse.jdt.groovy.search.TypeInferencingVisitorWithRequestor.lookupExpressionType(TypeInferencingVisitorWithRequestor.java:2233)
	at org.eclipse.jdt.groovy.search.TypeInferencingVisitorWithRequestor.handleSimpleExpression(TypeInferencingVisitorWithRequestor.java:1790)
	at org.eclipse.jdt.groovy.search.TypeInferencingVisitorWithRequestor.visitConstantExpression(TypeInferencingVisitorWithRequestor.java:1079)
	at org.codehaus.groovy.ast.expr.ConstantExpression.visit(ConstantExpression.java:75)
	at org.eclipse.jdt.groovy.search.TypeInferencingVisitorWithRequestor.visitPropertyExpression(TypeInferencingVisitorWithRequestor.java:1503)
	at org.codehaus.groovy.ast.expr.PropertyExpression.visit(PropertyExpression.java:55)
	at org.eclipse.jdt.groovy.search.TypeInferencingVisitorWithRequestor.visitMethodCallExpression(TypeInferencingVisitorWithRequestor.java:1392)
	at org.codehaus.groovy.ast.expr.MethodCallExpression.visit(MethodCallExpression.java:75)
	at org.codehaus.groovy.ast.CodeVisitorSupport.visitNotExpression(CodeVisitorSupport.java:171)
	at org.eclipse.jdt.groovy.search.TypeInferencingVisitorWithRequestor.visitNotExpression(TypeInferencingVisitorWithRequestor.java:1460)
	at org.codehaus.groovy.ast.expr.NotExpression.visit(NotExpression.java:30)
	at org.codehaus.groovy.ast.CodeVisitorSupport.visitBooleanExpression(CodeVisitorSupport.java:167)
	at org.eclipse.jdt.groovy.search.TypeInferencingVisitorWithRequestor.visitBooleanExpression(TypeInferencingVisitorWithRequestor.java:944)
	at org.codehaus.groovy.ast.expr.BooleanExpression.visit(BooleanExpression.java:40)
	at org.codehaus.groovy.ast.CodeVisitorSupport.visitIfElse(CodeVisitorSupport.java:56)
	at org.codehaus.groovy.ast.ClassCodeVisitorSupport.visitIfElse(ClassCodeVisitorSupport.java:288)
	at org.codehaus.groovy.ast.stmt.IfStatement.visit(IfStatement.java:41)
	at org.codehaus.groovy.ast.CodeVisitorSupport.visitBlockStatement(CodeVisitorSupport.java:36)
	at org.codehaus.groovy.ast.ClassCodeVisitorSupport.visitBlockStatement(ClassCodeVisitorSupport.java:248)
	at org.eclipse.jdt.groovy.search.TypeInferencingVisitorWithRequestor.visitBlockStatement(TypeInferencingVisitorWithRequestor.java:935)
	at org.codehaus.groovy.ast.stmt.BlockStatement.visit(BlockStatement.java:69)
	at org.codehaus.groovy.ast.ClassCodeVisitorSupport.visitClassCodeContainer(ClassCodeVisitorSupport.java:140)
	at org.codehaus.groovy.ast.ClassCodeVisitorSupport.visitConstructorOrMethod(ClassCodeVisitorSupport.java:151)
	at org.eclipse.jdt.groovy.search.TypeInferencingVisitorWithRequestor.visitConstructorOrMethod(TypeInferencingVisitorWithRequestor.java:1148)
	at org.eclipse.jdt.groovy.search.TypeInferencingVisitorWithRequestor.visitJDT(TypeInferencingVisitorWithRequestor.java:500)
	at org.eclipse.jdt.groovy.search.TypeInferencingVisitorWithRequestor.visitJDT(TypeInferencingVisitorWithRequestor.java:387)
	at org.eclipse.jdt.groovy.search.TypeInferencingVisitorWithRequestor.visitCompilationUnit(TypeInferencingVisitorWithRequestor.java:342)
	at org.codehaus.groovy.eclipse.codebrowsing.requestor.CodeSelectHelper.select(CodeSelectHelper.java:69)
	at org.codehaus.jdt.groovy.model.GroovyCompilationUnit.codeSelect(GroovyCompilationUnit.java:510)
	at org.codehaus.jdt.groovy.model.GroovyCompilationUnit.codeSelect(GroovyCompilationUnit.java:502)
	at org.codehaus.jdt.groovy.model.GroovyCompilationUnit.codeSelect_aroundBody0(GroovyCompilationUnit.java:497)
	at org.codehaus.jdt.groovy.model.GroovyCompilationUnit.codeSelect_aroundBody1$advice(GroovyCompilationUnit.java:312)
	at org.codehaus.jdt.groovy.model.GroovyCompilationUnit.codeSelect(GroovyCompilationUnit.java:1)
	at org.eclipse.jdt.internal.ui.javaeditor.JavaElementHyperlinkDetector.detectHyperlinks(JavaElementHyperlinkDetector.java:102)
	at org.eclipse.ui.texteditor.HyperlinkDetectorRegistry$HyperlinkDetectorDelegate.detectHyperlinks(HyperlinkDetectorRegistry.java:80)
	at org.eclipse.jface.text.hyperlink.HyperlinkManager.findHyperlinks(HyperlinkManager.java:289)
	at org.eclipse.jface.text.hyperlink.HyperlinkManager.findHyperlinks(HyperlinkManager.java:261)
	at org.eclipse.jface.text.hyperlink.HyperlinkManager.mouseMove(HyperlinkManager.java:469)
	at org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:212)
	at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)
	at org.eclipse.swt.widgets.Display.sendEvent(Display.java:4362)
	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1113)
	at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:4180)
	at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3769)
	at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$4.run(PartRenderingEngine.java:1127)
	at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:337)
	at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1018)
	at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:156)
	at org.eclipse.ui.internal.Workbench$5.run(Workbench.java:694)
	at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:337)
	at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:606)
	at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:150)
	at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:139)
	at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:196)
	at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134)
	at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
	at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:380)
	at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:235)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:497)
	at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:669)
	at org.eclipse.equinox.launcher.Main.basicRun(Main.java:608)
	at org.eclipse.equinox.launcher.Main.run(Main.java:1515)

My env is:

• Eclipse mars 4.5.2 Build id: 20160218-0600
• Groovy-Eclipse and Compiler 1.8 Feature 2.9.2.xx-201703280115-e45
• JDT Core patch for Groovy-Eclipse plugin on Eclipse 4.5 2.9.2.xx-201703280115-e45
• Workspace groovy compiler 1.8.9

Thanks for your help

[eric-milles]

Should be fixed. Thanks for filing the issue.

[jneira]

Thanks for the quick response and fix!