Watermark image using httpHandler (HTTP Error 500.23 - Internal Server Error)

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Hi, I want to adding logo to image. I found some sample code on internet. But I can't working. I get this error.

HTTP Error 500.23 - Internal Server Error

An ASP.NET setting has been detected that does not apply in Integrated managed pipeline mode.

Most likely causes:
•This application defines configuration in the system.web/httpHandlers section.

I tried pipeline mode 'Classic'.

My web.config code

XML

<configuration>
  <system.web>
    <compilation debug="true" targetFramework="4.0" />
    <httpRuntime targetFramework="4.0" />
    <httpHandlers>
      <add verb="*" path="*.jpg" type="JpegHandler" validate="true" />
    </httpHandlers>
  </system.web>
  <system.webServer>
    <handlers>
      <add verb="*" path="*.jpg" name="JpegHandler" type="JpegHandler"/>
    </handlers>
    <!--<validation validateIntegratedModeConfiguration="false"/>-->
  </system.webServer>
</configuration>

if uncomment this tag i'dont this exception but httphandler not work.
<validation validateIntegratedModeConfiguration="false"/>

what should I do?

Posted 5-Sep-13 20:25pm

efesimp

Updated 5-Sep-13 20:31pm

v2

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Marc Gabrie · Accepted Answer · 2013-09-07T02:30:00

Solution 1

try adding this to your handler entry: preCondition="integratedMode"

HTML

<system.webserver>
    <handlers> 
          <add verb="*" path="*.jpg" name="JpegHandler" type="JpegHandler" precondition="integratedMode" />
    </handlers>
</system.webserver>

Posted 7-Sep-13 2:30am

Marc Gabrie