GWT - 2.9 Error compiling GWT

Hi,

We have an application we can not compile using GWT-2.9.  It compiles with GWT-2.8. 

We have the same problem with JDK8 and JDK11.

This is the error:

Compiling module com.xxxxxxxxxx.xxxxxx.web.xxxxxx.OpenFile
[java] [ERROR] Unexpected internal compiler error [java] java.lang.ArrayIndexOutOfBoundsException: 1 
[java] at org.objectweb.asm.ClassReader.readStringish(ClassReader.java:3493) 
[java] at org.objectweb.asm.ClassReader.readClass(ClassReader.java:3508) 
[java] at org.objectweb.asm.ClassReader.accept(ClassReader.java:430) 
[java] at org.objectweb.asm.ClassReader.accept(ClassReader.java:400) 
[java] at com.google.gwt.dev.javac.BytecodeSignatureMaker.visitCompileDependenciesInBytecode(BytecodeSignatureMaker.java:228) 
[java] at com.google.gwt.dev.javac.BytecodeSignatureMaker.getCompileDependencySignature(BytecodeSignatureMaker.java:209) 
[java] at com.google.gwt.dev.javac.CompiledClass.getSignatureHash(CompiledClass.java:166) 
[java] at com.google.gwt.dev.javac.Dependencies$Ref.<init>(Dependencies.java:41) 
[java] at com.google.gwt.dev.javac.Dependencies$Ref.<init>(Dependencies.java:36) 
[java] at com.google.gwt.dev.javac.Dependencies.resolve(Dependencies.java:100) 
[java] at com.google.gwt.dev.javac.CompilationStateBuilder$CompileMoreLater.compile(CompilationStateBuilder.java:349) 
[java] at com.google.gwt.dev.javac.CompilationStateBuilder.doBuildFrom(CompilationStateBuilder.java:532) 
[java] at com.google.gwt.dev.javac.CompilationStateBuilder.buildFrom(CompilationStateBuilder.java:464)
[java] at com.google.gwt.dev.cfg.ModuleDef.getCompilationState(ModuleDef.java:423) 
[java] at com.google.gwt.dev.Precompile.precompile(Precompile.java:210) 
[java] at com.google.gwt.dev.Precompile.precompile(Precompile.java:190) 
[java] at com.google.gwt.dev.Precompile.precompile(Precompile.java:131) 
[java] at com.google.gwt.dev.Compiler.compile(Compiler.java:192) 
[java] at com.google.gwt.dev.Compiler.compile(Compiler.java:143) 
[java] at com.google.gwt.dev.Compiler.compile(Compiler.java:132) 
[java] at com.google.gwt.dev.Compiler$1.run(Compiler.java:110) 
[java] at com.google.gwt.dev.CompileTaskRunner.doRun(CompileTaskRunner.java:55) 
[java] at com.google.gwt.dev.CompileTaskRunner.runWithAppropriateLogger(CompileTaskRunner.java:50) 
[java] at com.google.gwt.dev.Compiler.main(Compiler.java:113)

We have a WAR application with 6 GWT modules. We can compile 4 GWT modules and we have problems always with the same 2 GWT modules. 

Please, ask me if there is a way I can get more information from the error. 

Thank you,

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