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Get the data for UI

 
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i try to populate dropdownlist on gwt ui with data from tables in oracle database, and i have created following interfaces such a DataService



and



and within DataServiceImpl class i implement this method for getting an array of data from db table:



in my gwt.xml file i wrote:



and in the web.xml



and then i write on the client side the asynccallback, to get all data from table in db in an array and then fill with it an dropdownlist on ui:



the data doesn't seem to be loaded, i can't get anything on my gwt gui on the dropdownlist. Any suggestions please, what i do wrong here?
 
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In general this kind of issues best solved via narrowing down the issue at each layer, DB call, call to onSuccess() etc... Find out where you miss the data in first place, then you should be able to solve it easily.
 
S Roberts
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thank you for answering, but i can't understand what did you ment
 
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