That's exactly what the problem is (with all the gwt-google-api
libraries and GWT 2.2)

On Sat, Apr 9, 2011 at 12:34 PM, Juan Pablo Gardella
<gardellajuanpa...@gmail.com> wrote:
> Is gwt-gadgets compatible with gwt 2.2? Perhaps you must compile gwt-gadgets
> sources with gwt 2.2 for use in your project.
>
> 2011/4/8 dicko <d...@mothdesign.com.au>
>>
>> Hi there,
>>
>> I've seen a few posts complaining about this error but they seem to
>> refer to issues using the Maps.jar.  Anyway, I've recently updated the
>> GWT plugin from 2.1 to 2.2 and can now no longer compile a gadget I've
>> been building using the Gadgets plugin (gwt-gadgets.jar).  I'm
>> receiving this error:
>>
>> [ERROR] Unexpected
>> java.lang.IncompatibleClassChangeError: Found interface
>> com.google.gwt.core.ext.typeinfo.JClassType, but class was expected
>>        at
>>
>> com.google.gwt.gadgets.rebind.GadgetGenerator.validateType(GadgetGenerator.java:
>> 475)
>>        at
>>
>> com.google.gwt.gadgets.rebind.GadgetGenerator.generate(GadgetGenerator.java:
>> 93)
>>        at
>>
>> com.google.gwt.core.ext.GeneratorExtWrapper.generate(GeneratorExtWrapper.java:
>> 48)
>>        at
>>
>> com.google.gwt.core.ext.GeneratorExtWrapper.generateIncrementally(GeneratorExtWrapper.java:
>> 60)
>>        at
>>
>> com.google.gwt.dev.javac.StandardGeneratorContext.runGeneratorIncrementally(StandardGeneratorContext.java:
>> 662)
>>        at
>> com.google.gwt.dev.cfg.RuleGenerateWith.realize(RuleGenerateWith.java:
>> 41)
>>        at com.google.gwt.dev.shell.StandardRebindOracle
>> $Rebinder.rebind(StandardRebindOracle.java:74)
>>        at
>>
>> com.google.gwt.dev.shell.StandardRebindOracle.rebind(StandardRebindOracle.java:
>> 259)
>>        at
>>
>> com.google.gwt.dev.shell.StandardRebindOracle.rebind(StandardRebindOracle.java:
>> 248)
>>        at
>>
>> com.google.gwt.dev.DistillerRebindPermutationOracle.getAllPossibleRebindAnswers(DistillerRebindPermutationOracle.java:
>> 91)
>>        at
>>
>> com.google.gwt.dev.jjs.JavaToJavaScriptCompiler.precompile(JavaToJavaScriptCompiler.java:
>> 505)
>>        at
>>
>> com.google.gwt.dev.jjs.JavaScriptCompiler.precompile(JavaScriptCompiler.java:
>> 35)
>>        at com.google.gwt.dev.Precompile.precompile(Precompile.java:541)
>>        at com.google.gwt.dev.Precompile.precompile(Precompile.java:495)
>>        at com.google.gwt.dev.Precompile.precompile(Precompile.java:407)
>>        at com.google.gwt.dev.Compiler.run(Compiler.java:215)
>>        at com.google.gwt.dev.Compiler.run(Compiler.java:187)
>>        at com.google.gwt.dev.Compiler$1.run(Compiler.java:159)
>>        at
>> com.google.gwt.dev.CompileTaskRunner.doRun(CompileTaskRunner.java:
>> 87)
>>        at
>>
>> com.google.gwt.dev.CompileTaskRunner.runWithAppropriateLogger(CompileTaskRunner.java:
>> 81)
>>        at com.google.gwt.dev.Compiler.main(Compiler.java:166)
>>
>> Can anyone give me an idea of how this can be fixed or whether Google
>> are working on this?  I've temporarily re-added the GWT 2.1 plugin but
>> obviously this won't be a long-term solution as I'm assuming my code
>> will become deprecated at some point.
>>
>> Thanks!
>>
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>
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-- 
Eric Z. Ayers
Google Web Toolkit, Atlanta, GA USA

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