Working with EnumSet class in GWT
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Published on 2010-04-04T18:08:16Z
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2010/04/04
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gwt
I am having trouble using EnumSet on the client side.
I get this runtime error message:
java.util.EnumSet.EnumSetImpl is not default instantiable (it must have a zero-argument constructor or no constructors at all) and has no custom serializer.
Is this is a known issue?
Here is what I am doing (basically a hello world app)
Service:
String echo (EnumSet<Names> name) throws IllegalArgumentException;
Client:
echoServ.echo (EnumSet.of(Names.JOHN), new AsyncCallback<String>()
{ ....... });
Shared enum class enum Names { JOHN, NUMAN, OBAMA }
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