Handling Custom Exceptions in GWT client side

Question

We're trying to throw our own custom exception on the server side and handle it on the client to show specific error messages.

Currently all we get is InvocationException & StatusCodeException on the client. Is there a better way to get our own custom exceptions propagated to the client side.

Also, we do not want to declare "throws" declaration in our service interfaces.

Thanks.

Any particular reason you don't want to declare the exceptions that you will throw? That's typically what one does in Java. — dslh
– dslh, Commented Jul 26, 2010 at 21:47

Ashwin Prabhu · Accepted Answer · 2010-07-26 12:50:53Z

1

Keep in mind that your Exception classes need to be part of the GWT JRE emulation. If you define your own exception classes, make sure it's defined under the client package and implements IsSerializable.

Not sure if throwing run time exceptions and not declaring 'throws' on the service will play well with the serializer. You will have to try this out.

answered Jul 26, 2010 at 12:50

Ashwin Prabhu

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Roland Beuker · Accepted Answer · 2017-11-11 09:55:08Z

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I created a custom Restlet ClientProxyGenerator that supports exceptions towards GWT clients;

Receive custom exceptions from Restlet Framework in GWT client

The current version only supports one exception per interface, i'll expand this in the near future (i need this myself).

answered Nov 11, 2017 at 9:55

Roland Beuker

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