Enabling NCSA loggin

If you want to view all the Http requests that your application server is handling then you can enable the NCSA log. This might be useful in case of clustered environment to see which server is actually handling particular request or you might be interested in looking at who is accessing the server at what time, load on the server during particular time

You can enable the National Center for Supercomputing Application(NCSA) using WAS Admin Console. Follow these steps

  • Log into the WAs ADMIn console

  • Go to the Servers -> Application Server. Select the server where you want to turn the NCSA log on. On the server details page click on HTTP error and NCSA access logging

  • On the "HTTP error and NCSA access logging" page, check the Enable access logging and Enable Service at startup check boxes. ALso set the Error log level

  • Now go back to the Application server details page, and go to Web Container transportation chain -> WCInboundDefault ->HTTP Inbound channel. Check the Enable access and error logging check box

  • Save your changes and restart the application server.

  • Now when you access the Application server every request would be logged in http_access.log file in the log folder of your application server.

This is sample log in my http_access.log file on websphere portal server - - [26/May/2009:17:49:20 -0700] "GET /wps/portal HTTP/1.1" 200 16671 - - [26/May/2009:17:49:46 -0700] "POST /wps/portal/!ut/p/c5/04_SB8K8xLLM9MSSzPy8xBz9CP0os3hnd0cPE3MfAwN3cyNTAyM_02AjX8cwAwNfQ_1wkA6zeAMcwNFA388jPzdVvyA7rxwAZPfmsg!!/dl3/d3/L0lDUWtpQ1NTUW9LVVFBISEvb0lvZ0FFQ1FRREdJUXBURE9DNEpuQSEhLzRDd2lSLXJmbTE2SWt5WGlnRUEhLzdfQ0dBSDQ3TDAwRzcyNTAyTjVTMk1BVjAwRTQvd3BzLnBvcnRsZXRzLmxvZ2lu/ HTTP/1.1" 302 5 - - [26/May/2009:17:49:54 -0700] "GET /wps/myportal/!ut/p/c5/0wcA1NLTeQ!!/ HTTP/1.1" 200 49479 - - [26/May/2009:17:49:59 -0700] "GET /searchfeed/myserver/scopes?locale=en&customLinks=true&timeStamp=1243385067143 HTTP/1.1" 200 925 - - [26/May/2009:18:37:28 -0700] "GET /wps/themes/html/Portal/colors/default/menu_selected_disabled.gif HTTP/1.1" 200 825 - - [26/May/2009:18:37:28 -0700] "GET /wps/themes/html/Portal/colors/default/menu_selected.gif HTTP/1.1" 200 57


Unknown said...

I am using WAS7 and looking to get login and logout user ID info for WAS console and I see your post it says how to enable National Center for Supercomputing Applications. but I don't find this option for any of jvm(NCSA access).

Unknown said...
This comment has been removed by the author.
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Abhi said...

Thanks for info....
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