Progress
Open Client
Developer’s Guide


Handling Errors In an Open Client Application

A remote 4GL request can generate three different types of errors:

A client-side error is an error that occurs on the client machine before the proxy sends a particular request to the AppServer. A server-side error is an error that occurs on the AppServer machine, either before the AppServer runs a remote procedure or during procedure execution.

No matter what type of error Progress returns, the proxy makes the error message available to the client application. For Java applications, the proxy also makes the Progress error message number available.

For more information on how proxies return errors for your type of Open Client, see for:

A different set of rules determines how Progress propagates each type of error to the client application. The following sections describe these rules and the types of errors that are returned.


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