java.lang.NoClassDefFoundError: org/objectweb/asm/ClassVisitor

I am trying to upgrade to gwt 2.8.0-SNAPSHOT from 2.7.0.

I am getting this error.

I am using the gwt-maven-plugin 2.8.0-SNAPSHOT as well.

Any have any idea what could be causing this?

Thanks,

Eric

[INFO] --- gwt-maven-plugin:2.8.0-SNAPSHOT:compile (gwt-compile) @ client ---

[INFO] Compiling module com.sampleapp.App_dev

[INFO] [ERROR] Unexpected internal compiler error

[INFO] java.lang.NoClassDefFoundError: org/objectweb/asm/ClassVisitor

[INFO] at com.google.gwt.dev.javac.CompiledClass.getSignatureHash(CompiledClass.java:165)

[INFO] at com.google.gwt.dev.javac.Dependencies$Ref.<init>(Dependencies.java:41)

[INFO] at com.google.gwt.dev.javac.Dependencies$Ref.<init>(Dependencies.java:36)

[INFO] at com.google.gwt.dev.javac.Dependencies.resolve(Dependencies.java:100)

[INFO] at com.google.gwt.dev.javac.CompilationStateBuilder$CompileMoreLater.compile(CompilationStateBuilder.java:352)

[INFO] at com.google.gwt.dev.javac.CompilationStateBuilder.doBuildFrom(CompilationStateBuilder.java:548)

[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.run(Compiler.java:197)

[INFO] at com.google.gwt.dev.Compiler.run(Compiler.java:156)

[INFO] at com.google.gwt.dev.Compiler$1.run(Compiler.java:117)

[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:124)

[INFO] Caused by: java.lang.ClassNotFoundException: org.objectweb.asm.ClassVisitor

[INFO] at java.net.URLClassLoader$1.run(URLClassLoader.java:372)

[INFO] at java.net.URLClassLoader$1.run(URLClassLoader.java:361)

[INFO] at java.security.AccessController.doPrivileged(Native Method)

[INFO] at java.net.URLClassLoader.findClass(URLClassLoader.java:360)

[INFO] at java.lang.ClassLoader.loadClass(ClassLoader.java:424)

[INFO] at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)

[INFO] at java.lang.ClassLoader.loadClass(ClassLoader.java:357)

[INFO] ... 18 more

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