I am new to gWT. we are upgrading our application to GWT 2.8.2 and sencha GXT 4.0.3
My application is throwing below error . could you please assist
[INFO] Compiling module au.gov.nsw.rta.cl2.CrashLink2
[INFO] Ignored 15 units with compilation errors in first pass.
[INFO] Compile with -strict or with -logLevel set to TRACE or DEBUG to see all errors.
[INFO] [ERROR] Unexpected internal compiler error
[INFO] java.lang.NullPointerException
[INFO] at com.google.gwt.dev.javac.asm.ResolveTypeSignature.mergeTypeParamBounds(ResolveTypeSignature.java:221)
[INFO] at com.google.gwt.dev.javac.asm.ResolveTypeSignature.resolveGeneric(ResolveTypeSignature.java:291)
[INFO] at com.google.gwt.dev.javac.asm.ResolveTypeSignature.resolveGeneric(ResolveTypeSignature.java:288)
[INFO] at com.google.gwt.dev.javac.asm.ResolveTypeSignature.resolveGenerics(ResolveTypeSignature.java:330)
[INFO] at com.google.gwt.dev.javac.asm.ResolveTypeSignature.visitEnd(ResolveTypeSignature.java:146)
[INFO] at org.objectweb.asm.signature.SignatureReader.a(Unknown Source)
[INFO] at org.objectweb.asm.signature.SignatureReader.a(Unknown Source)
[INFO] at org.objectweb.asm.signature.SignatureReader.accept(Unknown Source)
[INFO] at com.google.gwt.dev.javac.CompilationUnitTypeOracleUpdater.resolveMethod(CompilationUnitTypeOracleUpdater.java:1151)
[INFO] at com.google.gwt.dev.javac.CompilationUnitTypeOracleUpdater.resolveClass(CompilationUnitTypeOracleUpdater.java:944)
[INFO] at com.google.gwt.dev.javac.CompilationUnitTypeOracleUpdater.access$700(CompilationUnitTypeOracleUpdater.java:82)
[INFO] at com.google.gwt.dev.javac.CompilationUnitTypeOracleUpdater$CompilationUnitTypeOracleResolver.resolveClass(CompilationUnitTypeOracleUpdater.java:187)
[INFO] at com.google.gwt.dev.javac.asm.ResolveTypeSignature.visitClassType(ResolveTypeSignature.java:133)
[INFO] at org.objectweb.asm.signature.SignatureReader.a(Unknown Source)
[INFO] at org.objectweb.asm.signature.SignatureReader.accept(Unknown Source)
[INFO] at com.google.gwt.dev.javac.CompilationUnitTypeOracleUpdater.resolveClass(CompilationUnitTypeOracleUpdater.java:896)
[INFO] at com.google.gwt.dev.javac.CompilationUnitTypeOracleUpdater.access$700(CompilationUnitTypeOracleUpdater.java:82)
[INFO] at com.google.gwt.dev.javac.CompilationUnitTypeOracleUpdater$CompilationUnitTypeOracleResolver.resolveClass(CompilationUnitTypeOracleUpdater.java:187)
[INFO] at com.google.gwt.dev.javac.asm.ResolveTypeSignature.visitClassType(ResolveTypeSignature.java:133)
[INFO] at org.objectweb.asm.signature.SignatureReader.a(Unknown Source)
[INFO] at org.objectweb.asm.signature.SignatureReader.a(Unknown Source)
[INFO] at org.objectweb.asm.signature.SignatureReader.accept(Unknown Source)
[INFO] at com.google.gwt.dev.javac.CompilationUnitTypeOracleUpdater.resolveMethod(CompilationUnitTypeOracleUpdater.java:1151)
[INFO] at com.google.gwt.dev.javac.CompilationUnitTypeOracleUpdater.resolveClass(CompilationUnitTypeOracleUpdater.java:944)
[INFO] at com.google.gwt.dev.javac.CompilationUnitTypeOracleUpdater.addNewTypesDontIndex(CompilationUnitTypeOracleUpdater.java:415)
[INFO] at com.google.gwt.dev.javac.CompilationUnitTypeOracleUpdater.addNewTypesDontIndex(CompilationUnitTypeOracleUpdater.java:493)
[INFO] at com.google.gwt.dev.javac.CompilationUnitTypeOracleUpdater.addNewUnits(CompilationUnitTypeOracleUpdater.java:456)
[INFO] at com.google.gwt.dev.javac.CompilationState.assimilateUnits(CompilationState.java:251)
[INFO] at com.google.gwt.dev.javac.CompilationState.<init>(CompilationState.java:111)
[INFO] at com.google.gwt.dev.javac.CompilationStateBuilder.doBuildFrom(CompilationStateBuilder.java:556)
[INFO] at com.google.gwt.dev.javac.CompilationStateBuilder.buildFrom(CompilationStateBuilder.java:479)
[INFO] at com.google.gwt.dev.javac.CompilationStateBuilder.buildFrom(CompilationStateBuilder.java:465)
[INFO] at com.google.gwt.dev.cfg.ModuleDef.getCompilationState(ModuleDef.java:423)
[INFO] at com.google.gwt.dev.Precompile.precompile(Precompile.java:222)
[INFO] at com.google.gwt.dev.Precompile.precompile(Precompile.java:202)
[INFO] at com.google.gwt.dev.Precompile.precompile(Precompile.java:143)
[INFO] at com.google.gwt.dev.Compiler.compile(Compiler.java:204)
[INFO] at com.google.gwt.dev.Compiler.compile(Compiler.java:155)
[INFO] at com.google.gwt.dev.Compiler.compile(Compiler.java:144)
[INFO] at com.google.gwt.dev.Compiler$1.run(Compiler.java:118)
[INFO] at com.google.gwt.dev.CompileTaskRunner.doRun(CompileTaskRunner.java:55)
[INFO] at com.google.gwt.dev.CompileTaskRunner.runWithAppropriateLogger(CompileTaskRunner.java:50)
[INFO] at com.google.gwt.dev.Compiler.main(Compiler.java:125)
[INFO] ------------------------------------------------------------------------