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Message-ID: <4C69B245.5090207@gmail.com>
Date: Mon, 16 Aug 2010 23:48:53 +0200
From: Akos Marton <makos999@gmail.com>
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To: Apache AXIS C User List <c-user@axis.apache.org>
Subject: Re: soap message limits - resolved one issue
References: <DD0FC2ECE0D0C949B6F191BBE2589C650197D8C466@premex01.presagis.com>
 <0479BEF43A7A46D991E648D23B02A766@stevenzhg> <4C69AB41.6080606@gmail.com>
 <2CB69089CB0B47EE853D10CE3996086F@stevenzhg>
In-Reply-To: <2CB69089CB0B47EE853D10CE3996086F@stevenzhg>
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Using MTOM makes possible to send gigabites amount of data...

Steven Zhang wrote:
> I have no idea. When running with 2M response, it took 50s to clear
> memory. 400K response took < 10s to clear. I have to ask the customer to
> limit response size if possible.
> 
> ----- Original Message ----- From: "Akos Marton" <makos999@gmail.com>
> To: "Apache AXIS C User List" <c-user@axis.apache.org>
> Sent: Monday, August 16, 2010 2:18 PM
> Subject: Re: soap message limits - resolved one issue
> 
> 
> What would you like to do if the file size bigger than Mbytes, tens of
> MBytes or bigger?
> 
> Steven Zhang wrote:
>> I faced the same issue last week. The problem is my Axis2c client cannot
>> receive response > 400K. When I run Axis2c client with Axis2c web
>> service there is no problem, but my customer's web service is made by
>> .Net, whose response structure is different from mine.
>>
>> The reason is found by debugging into Axis2c sources. The problem is in
>> guththila_xml_parser.c (Guththila.dll).
>>
>> Suppose maximum size of each socket packet is 16K, to receive a 400K
>> data it needs to receive 25 packets. For each packet Guththila.dll will
>> allocate a memory with doubled size. At the 15th time, the packet size
>> increased 2 ^ 15 = 32768 times, the new memory size will be 16K * 32768
>> = 524M, allocation failed here. When the problem happen, I do find the
>> program eats up to 1G memory.
>>
>> To resolve it, increase new memory size only when data_size * 2 >
>> buffer_size, so the new memory will keep less than 1 to 2 M. I tested it
>> with 400K and  800K response, it all worked. It even works with 2M
>> response. The modified file is attached.
>>
>> For Axis2c web service, the response is in XML format. Whenever
>> guththila_xml_parser.c find a '<' sign, it will create a new node for
>> the element. But for .Net web service, the response is a single string,
>> all '<' signs are replaced with "&lt;". The function has to allocate new
>> memory to hold all 400K or more data. This is the reason why the
>> problem occurs to .Net web service only.
>>
>> Hope it's useful to you.
>>
>> Steven Zhang
>>
>>
>>     ----- Original Message -----
>>     *From:* Doug Price <mailto:Doug.Price@presagis.com>
>>     *To:* c-user@axis.apache.org <mailto:c-user@axis.apache.org>
>>     *Sent:* Friday, August 13, 2010 10:40 AM
>>     *Subject:* soap message limits
>>
>>     I�m using Axis2c to send base 64 binary encoded data via SOAP and
>>     this works fine as long as my data is small enough.  For example, it
>>     works on a 6KB file, but when I try to use this for a 183KB file it
>>     fails.  Is there an internal limit in Axis2c for SOAP messages or
>>     base 64 binary data?  If so, are there any values I can change in
>>     the source to increase these limits?
>>
>>
>>
>>     --     *Doug Price*
>>     Research Director | *Presagis*
>>
>>     *T.* +1 972 943.2400 X2433 *F.* +1 469 467.4564 *C.* +1 469 867.8399
>>
>>
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>>
>>
>>
>>
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