Re: Axis 1.3 and Attachments for Large Docs

["Vaibhav@Axis" <va...@gmail.com>]

Hi Aoife,
I have a similar kind of requirement and i want to know whether you have got
any solution for this. There is harldy any document regarding attachments
and Soap Over JMS. If you did find a solution, can you pls share the same
with me...


Aoife Kavanagh (Ext. 987) wrote:
> 
> Hi,
> 
> I'm currently looking to see if sending large PDFs as an attachment using
> Axis 1.3 over JMS will reduce the memory spikes that we are currently
> seeing
> on some sites.
> 
> If this did work we would be sending SOAP messages over JMS but for
> prototyping purposes I'm working with Tomcat 5.5.12
> However, I'm getting a bit confused over how exactly to send/receive
> attachments.  The Axis 1.3 samples directory contains what I believe are
> two
> samples - attachments and swa.  I'm assuming that swa is
> SoapWithAttachments
> in which case I'm not quite sure what the example in the attachments
> directory is.  It seems that the service method called in the attachments
> code explicitly passes a DataHandler object as a parameter to the service
> call whereas this is not the case for the swa example.  
> 
> I also have been looking at "Fear of Attachments" from
> http://www.mail-archive.com/axis-user@xml.apache.org/msg08732/Fear_of_Attach
> ments.pdf which I thought would be helpful but the code samples seem to
> assume use of some generated files from WSDL which I wouldn't have, in
> particular the section of client code where the attachment (DataHandler)
> is
> added.    In a way similar to this code though I want to be just tag the
> attachment on to the service request message.
> 
> I apologise in advance if I'm missing something obvious but if if I could
> just get clear explanation of differences between ways of sending
> attachments indicated by the attachments example and the swa example that
> would be great.  
> 
> Alternatively, if anybody knows that this approach won't solve our problem
> then could you let me know with reasoning.  Upgrading to Axis 2 is not an
> option at the moment so please don't suggest.
> 
> Thanks,
> Aoife
> 
> 
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