Thanks,
I'm using the Netbeans plugin for GWT can anyone point me to where the 
gwt-unitCache folder would be?
Thanks,
Mike.

On Tuesday, March 19, 2013 11:11:14 PM UTC-10, Thomas Broyer wrote:
>
> Delete the gwt-unitCache and try again.
>
> On Wednesday, March 20, 2013 3:27:16 AM UTC+1, mdwarne wrote:
>>
>> Hi,
>>
>> My project compiles and runs OK with GWT 2.5.0.
>> After upgrading to version 2.5.1 Compiling the project causes an 
>> exception (see below)
>>
>> This is using Java EE 6 (Mac OSX)
>>
>> Any ideas?
>> Thanks,
>> Mike
>>
>>
>>    [ERROR] Unexpected internal compiler error
>> java.lang.RuntimeException: Unexpected IOException on in-memory stream
>>     at 
>> com.google.gwt.dev.javac.CompilationUnit.getTypes(CompilationUnit.java:360)
>>     at 
>> com.google.gwt.dev.jjs.impl.UnifyAst.assimilateUnit(UnifyAst.java:670)
>>     at 
>> com.google.gwt.dev.jjs.impl.UnifyAst.searchForTypeBySource(UnifyAst.java:983)
>>     at 
>> com.google.gwt.dev.jjs.impl.UnifyAst.addRootTypes(UnifyAst.java:531)
>>     at 
>> com.google.gwt.dev.jjs.JavaToJavaScriptCompiler.precompile(JavaToJavaScriptCompiler.java:637)
>>     at 
>> com.google.gwt.dev.jjs.JavaScriptCompiler.precompile(JavaScriptCompiler.java:33)
>>     at com.google.gwt.dev.Precompile.precompile(Precompile.java:278)
>>     at com.google.gwt.dev.Precompile.precompile(Precompile.java:229)
>>     at com.google.gwt.dev.Precompile.precompile(Precompile.java:141)
>>     at com.google.gwt.dev.Compiler.run(Compiler.java:232)
>>     at com.google.gwt.dev.Compiler.run(Compiler.java:198)
>>     at com.google.gwt.dev.Compiler$1.run(Compiler.java:170)
>>     at 
>> com.google.gwt.dev.CompileTaskRunner.doRun(CompileTaskRunner.java:88)
>>     at 
>> com.google.gwt.dev.CompileTaskRunner.runWithAppropriateLogger(CompileTaskRunner.java:82)
>>     at com.google.gwt.dev.Compiler.main(Compiler.java:177)
>> Caused by: java.io.InvalidClassException: 
>> com.google.gwt.dev.jjs.ast.JDeclaredType; local class incompatible: stream 
>> classdesc serialVersionUID = -1052417216019896795, local class 
>> serialVersionUID = -8155793964565947646
>>     at java.io.ObjectStreamClass.initNonProxy(ObjectStreamClass.java:560)
>>     at 
>> java.io.ObjectInputStream.readNonProxyDesc(ObjectInputStream.java:1580)
>>     at 
>> java.io.ObjectInputStream.readClassDesc(ObjectInputStream.java:1493)
>>     at 
>> java.io.ObjectInputStream.readNonProxyDesc(ObjectInputStream.java:1580)
>>     at 
>> java.io.ObjectInputStream.readClassDesc(ObjectInputStream.java:1493)
>>     at 
>> java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1729)
>>     at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1326)
>>     at java.io.ObjectInputStream.readObject(ObjectInputStream.java:348)
>>     at java.util.ArrayList.readObject(ArrayList.java:593)
>>     at sun.reflect.GeneratedMethodAccessor19.invoke(Unknown Source)
>>     at 
>> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
>>     at java.lang.reflect.Method.invoke(Method.java:597)
>>     at 
>> java.io.ObjectStreamClass.invokeReadObject(ObjectStreamClass.java:969)
>>     at 
>> java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1852)
>>     at 
>> java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1756)
>>     at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1326)
>>     at java.io.ObjectInputStream.readObject(ObjectInputStream.java:348)
>>     at 
>> com.google.gwt.dev.jjs.ast.JProgram.deserializeTypes(JProgram.java:203)
>>     at 
>> com.google.gwt.dev.javac.CompilationUnit.getTypes(CompilationUnit.java:358)
>>     ... 14 more
>>  
>>
>

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