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Blank page in browser - "Response already committed" in logs

 
Pekka Parhi
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Hi everyone,
While testing my Struts web app, I occasionally receive blank pages in the browser window and "Response already committed" messages into the log file. The format of the message in the log file is just like this: "Apr 29, 2004 1:45:53 PM org.apache.jk.server.JkCoyoteHandler action - INFO: Response already commited" without any stack trace. This happens very randomly and there are no particular situations where and when it occurs.
I'm not writing anything to the response in my Action classes until just calling at the end of the Actions' execute methods. In the error case, when a submit button is clicked on jsp page, the execute method of an Action class is processed normally - but instead of a target jsp page where the control was forwarded, a blank page will be shown in the browser. I wonder what causes this quite strange problem.
I'm using Struts 1.1 and Tomcat 5.0.19. Could one of these cause the problem?

Pekka
 
Marc Peabody
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Usually when I receive the blank page it is because the forward is not correct. It is case sensitive, that could be a cause.
Your particular error, though, sounds like a Tomcat problem (Memory or connector issue perhaps ). That forum might be better suited.
 
Jiemme M.
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The "Response already commited" JK log usually happens when the client's browser requests a document that does not exist on your server (ie. invalid <img src="wrongurl"> tags in your HTML pages, non-existent javascript files, invalid css links, etc).

Mine usually appeared in my calls to MM_preloadImages()...
Cheers,
Jiemme
 
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