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From Jorge Medina <cerebrotecnolog...@gmail.com>
Subject Re: Does the service client caches attachments by default ?
Date Tue, 08 Jun 2010 14:27:32 GMT
I think I found the tickets related to my question in the JIRA system:

https://issues.apache.org/jira/browse/WSCOMMONS-433
https://issues.apache.org/jira/browse/AXIS2-3872

I'll try with Axis2 1.6-snapshot and let you know.

-Jorge


On Tue, Jun 8, 2010 at 10:05 AM, Jorge Medina
<cerebrotecnologico@gmail.com>wrote:

> Is that the nightly build?
>
> I could try, but what is the expected behavior ?
> Since the service generated stub is defined as "synchronous",  Is the
> beaviour I am seeing expected ?
> does an  Axis2 client caches all the attachment before returning?
>
>
>
> On Mon, Jun 7, 2010 at 6:48 PM, Andreas Veithen <andreas.veithen@gmail.com
> > wrote:
>
>> Jorge,
>>
>> Can you try that with Axis2 1.6-SNAPSHOT?
>>
>> Andreas
>>
>> On Mon, Jun 7, 2010 at 23:58, Jorge Medina <cerebrotecnologico@gmail.com>
>> wrote:
>> > Hi Axis2 users:
>> >
>> >    I am accessing a service that provides the response with an MTOM
>> > attachment. (The attachment can be just hundreds of  KB up to 75 MB).
>> >    I am using an Axis2 v 1.5.1 client.
>> >    My client code looks something like:
>> >
>> >
>> >             MyServiceResponse myServiceResponse=
>> > service.downloadTable(tableid);
>> >             DataHandler dataHandler = myServiceResponse.getTableFile();
>> >             is = new GZIPInputStream(  new BufferedInputStream(
>> > dataHandler.getInputStream() ) );
>> >             BufferedReader br = new BufferedReader( new
>> InputStreamReader(
>> > is, "UTF-8") );
>> >             int members =0;
>> >             for(String line = br.readLine(); line != null; line =
>> > br.readLine() ) {
>> >                  // do something with the record here ...
>> >                   System.out.println(line);
>> >             }
>> >
>> > where "service" is the generated stub using ADB databinding.
>> >
>> >     wsdl2java -o myoutputpath -d adb -u -uw -ap -or  -uri
>> > http://url/to/my/service.wsdl
>> >
>> > The The attachment is a tab-separated text file that has been gzipped.
>> > The file is produced "on-the-fly" from a database, there is never a
>> physical
>> > file.
>> > The server uses SpringWS with JAXB as the marshaller/unmarshaller with
>> mtom
>> > enabled.
>> > But I believe these details are irrelevant.
>> >
>> > I was expecting that the call to service.downloadTable(tableid) would
>> return
>> > almost immediately and that the file would be streamed, resulting on
>> > execution of the loop in parallel as the server provides the file.
>> > But what I am observing is that my server streams the whole file (table)
>> and
>> > just after all the data was sent (according to server logs) then  the
>> call
>> > to downloadTable(tableid) returns and the loop starts executing.
>> >
>> > Is the client caching the attachment prior to return from
>> > service.downloadTable(tableid) ? I noticed the memory used by the JVM
>> > increases, but that does not prove anything)
>> >
>> > Is there a way to make the call such as the loop will start executing as
>> the
>> > file is streamed ?
>> >
>> > -Jorge
>> >
>> >
>> >
>> >
>>
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>

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