I know gwt has no SQLException and NamingException, so I create a
class called ServerException in shared folder and has just one
property message and corresponding setter and getter.
in server, DBConnection.class, if there is NamingException, I copy the
message to ServerException message property
catch(NamingException e){
ServerException se = new ServerException();
se.setMessage(e.geteMessage());
throw se;
}
then in client side, I want to display this exception message
public void onFailure(Throwable caught){
if (caught instanceof ServerException){
System.out.println(((ServerException)caught).getMessage());
}
}
but out of my expectation, null is shown!!
in debug mode, I see the caught message property is not null, but I do
not know why when call ((ServerException)caught).getMessage(), will
return null!!
any idea?
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