I think this might be the underlying problem: [ERROR] Errors in 'jar:file:/C:/Program%20Files/eclipse-i/plugins/com.google.gwt.eclipse.sdkbundle_2.4.0.v201203300216-rel-r37/gwt-2.4.0/gwt-user.jar!/com/google/gwt/user/client/ui/NativeHorizontalScrollbar.java' [ERROR] Internal compiler error java.lang.AbstractMethodError: com.documentum.xerces_2_6_2.xerces.dom.ElementNSImpl.setUserData(Ljava/lang/String;Ljava/lang/Object;Lorg/w3c/dom/UserDataHandler;)Ljava/lang/Object; at com.google.gwt.uibinder.rebind.W3cDocumentBuilder.startElement(W3cDocumentBuilder.java:127) at com.documentum.xerces_2_6_2.xerces.parsers.AbstractSAXParser.startElement(AbstractSAXParser.java:491) at com.documentum.xerces_2_6_2.xerces.impl.dtd.XMLDTDValidator.startElement(XMLDTDValidator.java:806) at com.documentum.xerces_2_6_2.xerces.impl.XMLNSDocumentScannerImpl.scanStartElement(XMLNSDocumentScannerImpl.java:325) at com.documentum.xerces_2_6_2.xerces.impl.XMLNSDocumentScannerImpl$NSContentDispatcher.scanRootElementHook(XMLNSDocumentScannerImpl.java:620) at com.documentum.xerces_2_6_2.xerces.impl.XMLDocumentFragmentScannerImpl$FragmentContentDispatcher.dispatch(XMLDocumentFragmentScannerImpl.java:1635) at com.documentum.xerces_2_6_2.xerces.impl.XMLDocumentFragmentScannerImpl.scanDocument(XMLDocumentFragmentScannerImpl.java:338) at com.documentum.xerces_2_6_2.xerces.parsers.XML11Configuration.parse(XML11Configuration.java:831) at com.documentum.xerces_2_6_2.xerces.parsers.XML11Configuration.parse(XML11Configuration.java:761) at com.documentum.xerces_2_6_2.xerces.parsers.XMLParser.parse(XMLParser.java:152) at com.documentum.xerces_2_6_2.xerces.parsers.AbstractSAXParser.parse(AbstractSAXParser.java:1184) at javax.xml.parsers.SAXParser.parse(SAXParser.java:395) at com.google.gwt.uibinder.rebind.W3cDomHelper.documentFor(W3cDomHelper.java:64) at com.google.gwt.uibinder.rebind.UiBinderGenerator.getW3cDoc(UiBinderGenerator.java:201) at com.google.gwt.uibinder.rebind.UiBinderGenerator.generateOnce(UiBinderGenerator.java:171) at com.google.gwt.uibinder.rebind.UiBinderGenerator.generate(UiBinderGenerator.java:127) at com.google.gwt.core.ext.GeneratorExtWrapper.generate(GeneratorExtWrapper.java:48) at com.google.gwt.core.ext.GeneratorExtWrapper.generateIncrementally(GeneratorExtWrapper.java:60) at com.google.gwt.dev.javac.StandardGeneratorContext.runGeneratorIncrementally(StandardGeneratorContext.java:647) at com.google.gwt.dev.cfg.RuleGenerateWith.realize(RuleGenerateWith.java:41) at com.google.gwt.dev.shell.StandardRebindOracle$Rebinder.rebind(StandardRebindOracle.java:78) at com.google.gwt.dev.shell.StandardRebindOracle.rebind(StandardRebindOracle.java:268) at com.google.gwt.dev.shell.StandardRebindOracle.rebind(StandardRebindOracle.java:257) at com.google.gwt.dev.DistillerRebindPermutationOracle.getAllPossibleRebindAnswers(DistillerRebindPermutationOracle.java:91) at com.google.gwt.dev.jdt.WebModeCompilerFrontEnd.doFindAdditionalTypesUsingRebinds(WebModeCompilerFrontEnd.java:96) at com.google.gwt.dev.jdt.AbstractCompiler$Sandbox$CompilerImpl.process(AbstractCompiler.java:254) at org.eclipse.jdt.internal.compiler.Compiler.compile(Compiler.java:444) at com.google.gwt.dev.jdt.AbstractCompiler$Sandbox$CompilerImpl.compile(AbstractCompiler.java:173) at com.google.gwt.dev.jdt.AbstractCompiler$Sandbox$CompilerImpl.compile(AbstractCompiler.java:288) at com.google.gwt.dev.jdt.AbstractCompiler$Sandbox$CompilerImpl.access$400(AbstractCompiler.java:139) at com.google.gwt.dev.jdt.AbstractCompiler.compile(AbstractCompiler.java:588) at com.google.gwt.dev.jdt.BasicWebModeCompiler.getCompilationUnitDeclarations(BasicWebModeCompiler.java:97) at com.google.gwt.dev.jdt.WebModeCompilerFrontEnd.getCompilationUnitDeclarations(WebModeCompilerFrontEnd.java:52) at com.google.gwt.dev.jjs.JavaToJavaScriptCompiler.precompile(JavaToJavaScriptCompiler.java:569) at com.google.gwt.dev.jjs.JavaScriptCompiler.precompile(JavaScriptCompiler.java:33) at com.google.gwt.dev.Precompile.precompile(Precompile.java:284) at com.google.gwt.dev.Precompile.precompile(Precompile.java:233) at com.google.gwt.dev.Precompile.precompile(Precompile.java:145) at com.google.gwt.dev.Compiler.run(Compiler.java:232) at com.google.gwt.dev.Compiler.run(Compiler.java:198) at com.google.gwt.dev.Compiler$1.run(Compiler.java:170) at com.google.gwt.dev.CompileTaskRunner.doRun(CompileTaskRunner.java:88) at com.google.gwt.dev.CompileTaskRunner.runWithAppropriateLogger(CompileTaskRunner.java:82) at com.google.gwt.dev.Compiler.main(Compiler.java:177)
[ERROR] Unexpected internal compiler error java.lang.AbstractMethodError: com.documentum.xerces_2_6_2.xerces.dom.ElementNSImpl.setUserData(Ljava/lang/String;Ljava/lang/Object;Lorg/w3c/dom/UserDataHandler;)Ljava/lang/Object; at com.google.gwt.uibinder.rebind.W3cDocumentBuilder.startElement(W3cDocumentBuilder.java:127) at com.documentum.xerces_2_6_2.xerces.parsers.AbstractSAXParser.startElement(AbstractSAXParser.java:491) at com.documentum.xerces_2_6_2.xerces.impl.dtd.XMLDTDValidator.startElement(XMLDTDValidator.java:806) at com.documentum.xerces_2_6_2.xerces.impl.XMLNSDocumentScannerImpl.scanStartElement(XMLNSDocumentScannerImpl.java:325) at com.documentum.xerces_2_6_2.xerces.impl.XMLNSDocumentScannerImpl$NSContentDispatcher.scanRootElementHook(XMLNSDocumentScannerImpl.java:620) at com.documentum.xerces_2_6_2.xerces.impl.XMLDocumentFragmentScannerImpl$FragmentContentDispatcher.dispatch(XMLDocumentFragmentScannerImpl.java:1635) at com.documentum.xerces_2_6_2.xerces.impl.XMLDocumentFragmentScannerImpl.scanDocument(XMLDocumentFragmentScannerImpl.java:338) at com.documentum.xerces_2_6_2.xerces.parsers.XML11Configuration.parse(XML11Configuration.java:831) at com.documentum.xerces_2_6_2.xerces.parsers.XML11Configuration.parse(XML11Configuration.java:761) at com.documentum.xerces_2_6_2.xerces.parsers.XMLParser.parse(XMLParser.java:152) at com.documentum.xerces_2_6_2.xerces.parsers.AbstractSAXParser.parse(AbstractSAXParser.java:1184) at javax.xml.parsers.SAXParser.parse(SAXParser.java:395) at com.google.gwt.uibinder.rebind.W3cDomHelper.documentFor(W3cDomHelper.java:64) at com.google.gwt.uibinder.rebind.UiBinderGenerator.getW3cDoc(UiBinderGenerator.java:201) at com.google.gwt.uibinder.rebind.UiBinderGenerator.generateOnce(UiBinderGenerator.java:171) at com.google.gwt.uibinder.rebind.UiBinderGenerator.generate(UiBinderGenerator.java:127) at com.google.gwt.core.ext.GeneratorExtWrapper.generate(GeneratorExtWrapper.java:48) at com.google.gwt.core.ext.GeneratorExtWrapper.generateIncrementally(GeneratorExtWrapper.java:60) at com.google.gwt.dev.javac.StandardGeneratorContext.runGeneratorIncrementally(StandardGeneratorContext.java:647) at com.google.gwt.dev.cfg.RuleGenerateWith.realize(RuleGenerateWith.java:41) at com.google.gwt.dev.shell.StandardRebindOracle$Rebinder.rebind(StandardRebindOracle.java:78) at com.google.gwt.dev.shell.StandardRebindOracle.rebind(StandardRebindOracle.java:268) at com.google.gwt.dev.shell.StandardRebindOracle.rebind(StandardRebindOracle.java:257) at com.google.gwt.dev.DistillerRebindPermutationOracle.getAllPossibleRebindAnswers(DistillerRebindPermutationOracle.java:91) at com.google.gwt.dev.jdt.WebModeCompilerFrontEnd.doFindAdditionalTypesUsingRebinds(WebModeCompilerFrontEnd.java:96) at com.google.gwt.dev.jdt.AbstractCompiler$Sandbox$CompilerImpl.process(AbstractCompiler.java:254) at org.eclipse.jdt.internal.compiler.Compiler.compile(Compiler.java:444) at com.google.gwt.dev.jdt.AbstractCompiler$Sandbox$CompilerImpl.compile(AbstractCompiler.java:173) at com.google.gwt.dev.jdt.AbstractCompiler$Sandbox$CompilerImpl.compile(AbstractCompiler.java:288) at com.google.gwt.dev.jdt.AbstractCompiler$Sandbox$CompilerImpl.access$400(AbstractCompiler.java:139) at com.google.gwt.dev.jdt.AbstractCompiler.compile(AbstractCompiler.java:588) at com.google.gwt.dev.jdt.BasicWebModeCompiler.getCompilationUnitDeclarations(BasicWebModeCompiler.java:97) at com.google.gwt.dev.jdt.WebModeCompilerFrontEnd.getCompilationUnitDeclarations(WebModeCompilerFrontEnd.java:52) at com.google.gwt.dev.jjs.JavaToJavaScriptCompiler.precompile(JavaToJavaScriptCompiler.java:569) at com.google.gwt.dev.jjs.JavaScriptCompiler.precompile(JavaScriptCompiler.java:33) at com.google.gwt.dev.Precompile.precompile(Precompile.java:284) at com.google.gwt.dev.Precompile.precompile(Precompile.java:233) at com.google.gwt.dev.Precompile.precompile(Precompile.java:145) at com.google.gwt.dev.Compiler.run(Compiler.java:232) at com.google.gwt.dev.Compiler.run(Compiler.java:198) at com.google.gwt.dev.Compiler$1.run(Compiler.java:170) at com.google.gwt.dev.CompileTaskRunner.doRun(CompileTaskRunner.java:88) at com.google.gwt.dev.CompileTaskRunner.runWithAppropriateLogger(CompileTaskRunner.java:82) at com.google.gwt.dev.Compiler.main(Compiler.java:177) -- You received this message because you are subscribed to the Google Groups "Google Web Toolkit" group. To view this discussion on the web visit https://groups.google.com/d/msg/google-web-toolkit/-/u-9iNdKFlKwJ. To post to this group, send email to google-web-toolkit@googlegroups.com. To unsubscribe from this group, send email to google-web-toolkit+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-web-toolkit?hl=en.