Exceptions are already Serializable; IIRC, it comes from either Exception or
Throwable.
Ted Neward
Java Instructor, DevelopMentor ( http://www.develop.com )
http://www.javageeks.com/~tneward
-----Original Message-----
From: Nic Ferrier <[EMAIL PROTECTED]>
To: [EMAIL PROTECTED] <[EMAIL PROTECTED]>
Date: Tuesday, February 15, 2000 4:48 AM
Subject: Re: Error Propogation
>>>> Dominic Tulley <[EMAIL PROTECTED]> 16-Feb-00 11:23:52 AM >>>
>
>> I'm looking for suggestions on how to propagate errors from a
>servlet to
>>an applet.
>
>Develop a serializable exception, have all your application
>exceptions extend that and then when you get one you can serialize it
>down the URLConnection's stream.
>
>
>>I found HttpServletResponse.sendError() but it doesn't really seem
>to
>>do the job...
>
>No. It's not really meant for that purpose. It could be used though.
>
>Encode the error as a String header field (ie: exception.toString())
>and when you get an error response to some HTTP request use:
>
>throw Class.forName(
>URLConnection.getHeaderField("error-header-name") ).newInstance();
>
>
>That will throw an exception with the same name as the one you have
>in the header named:
>"error-header-name"
>
>
>
>Nic Ferrier
>
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