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https://issues.apache.org/jira/browse/AXIS2C-941?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Senaka Fernando resolved AXIS2C-941.
------------------------------------

       Resolution: Fixed
    Fix Version/s: 1.3.0

Hi Dave,

I have now fixed this issue. IIS uses a 48K read buffer, and we did not 
properly handle payloads beyond 48K. On your machine, it seems that it is 
rather a 64K read buffer according to what you say. I don't understand the 
differences in these buffer sizes. :)... But, as far as I'm concerned this 
issue is solved. I tested this with a 3.66MB attachment and it worked well.

There however, still seems to be an issue with larger attachments of sizes 
50MB+. This seems to be something related to the mtom mime_parser rather than 
IIS therefore, it seems to have nothing to do with this issue.

Regards,
Senaka

> IIS Module: fails with large data element
> -----------------------------------------
>
>                 Key: AXIS2C-941
>                 URL: https://issues.apache.org/jira/browse/AXIS2C-941
>             Project: Axis2-C
>          Issue Type: Bug
>          Components: transport/http
>    Affects Versions: Current (Nightly)
>         Environment: Windows XP, IIS 5.1
>            Reporter: Dave Meier
>            Assignee: Senaka Fernando
>             Fix For: 1.3.0
>
>         Attachments: aewebservicesaxis70.wsdl
>
>
> I have a web service that takes the following as input.  Here is the wsdl:
>   <complexType name="FileAttachmentContents">
>    <complexContent>
>     <extension base="ae:FileAttachment">
>      <sequence>
>      <element name="checksum" type="xsd:long" minOccurs="1" maxOccurs="1"/>
>      <element name="encodedContents" type="xsd:base64Binary" minOccurs="1" 
> maxOccurs="1" nillable="false"/>
>      </sequence>
>     </extension>
>    </complexContent>
>   </complexType>
> With the axis2_http_server.exe it works fine with a 163KB file, where the 
> contents of the file are written in base64 into the "encodedContents" 
> element.  But when I run the IIS module and run the same client test, I get 
> back an error saying that the "encodedContents" element is NULL.
> I tried a 1KB file with the IIS module and that worked great.  So there 
> appears to be something limiting the sending of a large element when using 
> the IIS module.

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