com.google.gwt.dev.jjs.InternalCompilerException: Error constructing Java AST

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com.google.gwt.dev.jjs.InternalCompilerException: Error constructing Java AST
at com.google.gwt.dev.jjs.impl.GwtAstBuilder.isUncheckedGenericMethodCall(GwtAstBuilder.java:4167)
at com.google.gwt.dev.jjs.impl.GwtAstBuilder.access$1400(GwtAstBuilder.java:249)
at org.eclipse.jdt.internal.compiler.ast.MessageSend.traverse(MessageSend.java:1021)
at org.eclipse.jdt.internal.compiler.ast.MessageSend.traverse(MessageSend.java:1018)
at org.eclipse.jdt.internal.compiler.ast.ReturnStatement.traverse(ReturnStatement.java:373)
at org.eclipse.jdt.internal.compiler.ast.MethodDeclaration.traverse(MethodDeclaration.java:347)
at com.google.gwt.dev.jjs.impl.GwtAstBuilder.processImpl(GwtAstBuilder.java:3887)
at com.google.gwt.dev.jjs.impl.GwtAstBuilder.process(GwtAstBuilder.java:3918)
at com.google.gwt.dev.javac.CompilationStateBuilder$CompileMoreLater$UnitProcessorImpl.process(CompilationStateBuilder.java:129)
at com.google.gwt.dev.javac.JdtCompiler.doCompile(JdtCompiler.java:1092)
at com.google.gwt.dev.javac.CompilationStateBuilder$CompileMoreLater.compile(CompilationStateBuilder.java:325)
at com.google.gwt.dev.javac.CompilationStateBuilder.doBuildFrom(CompilationStateBuilder.java:548)
at com.google.gwt.dev.javac.CompilationStateBuilder.buildFrom(CompilationStateBuilder.java:479)
at com.google.gwt.dev.javac.CompilationStateBuilder.buildFrom(CompilationStateBuilder.java:465)
at com.google.gwt.dev.cfg.ModuleDef.getCompilationState(ModuleDef.java:423)
at com.google.gwt.dev.Precompile.precompile(Precompile.java:222)
at com.google.gwt.dev.Precompile.precompile(Precompile.java:202)
at com.google.gwt.dev.Precompile.precompile(Precompile.java:143)
at com.google.gwt.dev.Compiler.compile(Compiler.java:204)
at com.google.gwt.dev.Compiler.compile(Compiler.java:155)
at com.google.gwt.dev.Compiler.compile(Compiler.java:144)
at com.google.gwt.dev.Compiler$1.run(Compiler.java:118)
at com.google.gwt.dev.CompileTaskRunner.doRun(CompileTaskRunner.java:55)
at com.google.gwt.dev.CompileTaskRunner.runWithAppropriateLogger(CompileTaskRunner.java:50)
at com.google.gwt.dev.Compiler.main(Compiler.java:125)

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