title: GWT Compilation Error - IncompatibleClassChangeError
body: <p>When compiling the project, I get this obscure Exception</p>
  
  <pre><code>Looking for precompiled archives.  To disable, use -Dgwt.usearchives=false
  Loading archived module: jar:file:&lt;base&gt;/.m2/repository/com/google/gwt/gwt-user/2.5.0/gwt-user-2.5.0.jar!/com/google/gwt/user/User.gwtar
  [WARN] Unable to read: jar:file:&lt;base&gt;/.m2/repository/com/google/gwt/gwt-user/2.5.0/gwt-user-2.5.0.jar!/com/google/gwt/user/User.gwtar. Skipping: java.io.InvalidClassException: com.google.gwt.dev.util.DiskCacheToken; local class incompatible: stream classdesc serialVersionUID = 3824090149180578568, local class serialVersionUID = -2622986784335128516
  Loading archived module: jar:file:&lt;base&gt;/.m2/repository/com/google/gwt/gwt-user/2.5.0/gwt-user-2.5.0.jar!/com/google/gwt/core/Core.gwtar
  [WARN] Unable to read: jar:file:&lt;base&gt;/.m2/repository/com/google/gwt/gwt-user/2.5.0/gwt-user-2.5.0.jar!/com/google/gwt/core/Core.gwtar. Skipping: java.io.InvalidClassException: com.google.gwt.dev.util.DiskCacheToken; local class incompatible: stream classdesc serialVersionUID = 3824090149180578568, local class serialVersionUID = -2622986784335128516
  Loading archived module: jar:file:&lt;base&gt;/.m2/repository/com/google/gwt/gwt-user/2.5.0/gwt-user-2.5.0.jar!/com/google/gwt/regexp/RegExp.gwtar
  [WARN] Unable to read: jar:file:&lt;base&gt;/.m2/repository/com/google/gwt/gwt-user/2.5.0/gwt-user-2.5.0.jar!/com/google/gwt/regexp/RegExp.gwtar. Skipping: java.io.InvalidClassException: com.google.gwt.dev.util.DiskCacheToken; local class incompatible: stream classdesc serialVersionUID = 3824090149180578568, local class serialVersionUID = -2622986784335128516
  Loading archived module: jar:file:&lt;base&gt;/.m2/repository/com/google/gwt/gwt-user/2.5.0/gwt-user-2.5.0.jar!/com/google/web/bindery/event/Event.gwtar
  Loading archived module: jar:file:&lt;base&gt;/.m2/repository/com/google/gwt/gwt-user/2.5.0/gwt-user-2.5.0.jar!/com/google/gwt/xml/XML.gwtar
  [WARN] Unable to read: jar:file:&lt;base&gt;/.m2/repository/com/google/gwt/gwt-user/2.5.0/gwt-user-2.5.0.jar!/com/google/gwt/xml/XML.gwtar. Skipping: java.io.InvalidClassException: com.google.gwt.dev.util.DiskCacheToken; local class incompatible: stream classdesc serialVersionUID = 3824090149180578568, local class serialVersionUID = -2622986784335128516
  Loading archived module: jar:file:&lt;base&gt;/.m2/repository/com/google/gwt/gwt-user/2.5.0/gwt-user-2.5.0.jar!/com/google/gwt/json/JSON.gwtar
  [WARN] Unable to read: jar:file:&lt;base&gt;/.m2/repository/com/google/gwt/gwt-user/2.5.0/gwt-user-2.5.0.jar!/com/google/gwt/json/JSON.gwtar. Skipping: java.io.InvalidClassException: com.google.gwt.dev.util.DiskCacheToken; local class incompatible: stream classdesc serialVersionUID = 3824090149180578568, local class serialVersionUID = -2622986784335128516
  Found 0 cached/archived units.  Used 0 / 4578 units from cache.
  Compiling...
    0% complete (ETR: 93 seconds)
    10% complete (ETR: 56 seconds)
    20% complete (ETR: 37 seconds)
    30% complete (ETR: 25 seconds)
    40% complete (ETR: 18 seconds)
    50% complete (ETR: 14 seconds)
    60% complete (ETR: 10 seconds)
    70% complete (ETR: 7 seconds)
    80% complete (ETR: 5 seconds)
    90% complete (ETR: 2 seconds)
    100% complete (ETR: 0 seconds)
    Compilation completed in 28.40 seconds
  [ERROR] Unexpected internal compiler error
  java.lang.IncompatibleClassChangeError: class com.google.gwt.dev.javac.BytecodeSignatureMaker$CompileDependencyVisitor has interface com.google.gwt.dev.asm.ClassVisitor as super class
  at java.lang.ClassLoader.defineClass1(Native Method)
  at java.lang.ClassLoader.defineClass(ClassLoader.java:800)
  at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)
  at java.net.URLClassLoader.defineClass(URLClassLoader.java:449)
  at java.net.URLClassLoader.access$100(URLClassLoader.java:71)
  at java.net.URLClassLoader$1.run(URLClassLoader.java:361)
  at java.net.URLClassLoader$1.run(URLClassLoader.java:355)
  at java.security.AccessController.doPrivileged(Native Method)
  at java.net.URLClassLoader.findClass(URLClassLoader.java:354)
  at java.lang.ClassLoader.loadClass(ClassLoader.java:425)
  at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)
  at java.lang.ClassLoader.loadClass(ClassLoader.java:358)
  at com.google.gwt.dev.javac.BytecodeSignatureMaker.visitCompileDependenciesInBytecode(BytecodeSignatureMaker.java:217)
  at com.google.gwt.dev.javac.BytecodeSignatureMaker.getCompileDependencySignature(BytecodeSignatureMaker.java:199)
  at com.google.gwt.dev.javac.CompiledClass.getSignatureHash(CompiledClass.java:152)
  at com.google.gwt.dev.javac.Dependencies$Ref.&lt;init&gt;(Dependencies.java:42)
  at com.google.gwt.dev.javac.Dependencies$Ref.&lt;init&gt;(Dependencies.java:37)
  at com.google.gwt.dev.javac.Dependencies.resolve(Dependencies.java:114)
  at com.google.gwt.dev.javac.CompilationStateBuilder$CompileMoreLater.compile(CompilationStateBuilder.java:311)
  at com.google.gwt.dev.javac.CompilationStateBuilder.doBuildFrom(CompilationStateBuilder.java:511)
  at com.google.gwt.dev.javac.CompilationStateBuilder.buildFrom(CompilationStateBuilder.java:434)
  at com.google.gwt.dev.javac.CompilationStateBuilder.buildFrom(CompilationStateBuilder.java:420)
  at com.google.gwt.dev.cfg.ModuleDef.getCompilationState(ModuleDef.java:485)
  at com.google.gwt.dev.Precompile.precompile(Precompile.java:241)
  at com.google.gwt.dev.Precompile.precompile(Precompile.java:223)
  at com.google.gwt.dev.Precompile.precompile(Precompile.java:139)
  at com.google.gwt.dev.Compiler.run(Compiler.java:167)
  at com.google.gwt.dev.Compiler.run(Compiler.java:132)
  at com.google.gwt.dev.Compiler$1.run(Compiler.java:99)
  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:106)
  Shutting down PersistentUnitCache thread
  </code></pre>
  
  <p>Where could I start looking for the issue?</p>