I am processing a website that is developed by GWT and I want to check if there is a database connection between accessing the website. If the database connection is disconnected, I want to send a message because I cannot connect to the server.
Can anyone suggest what would be the best way to handle this?
I know that the method is onFailure(Throwable t)to AsyncCallbackeat. This method is called when the RPC fails for some reason, including (but not limited to) loss of connection.
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