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I noticed a problem with web pages getting 'cut off' with a Perl/CGI based proprietary application I administer on a server running Apache 2.2. This lead me to investigate the problem further by writing a little Perl script myself I was able to recreate the same problem. There is no particular place that the output gets cut off. I have considered the possibility of time outs but I cannot find any time out related errors in the web server logs. The limits set for CGI appear to be fine too.

What measures can I take to identify the cause (and fix) this problem?

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Which version of Perl? – Brad Gilbert Aug 4 '09 at 16:14
The version of Perl is 5.8.8 – lintunen Aug 6 '09 at 7:45
Which OS do use use at server? – user16526 Aug 12 '09 at 21:00
The OS is Debian Etch. – lintunen Aug 13 '09 at 8:59
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Why don't you post the "little Perl script" here? Are you writing to the screen with "print"? Those shouldn't be buffered or anything.

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I just mentioned that I could reproduce the problem by writing code but that's not the problem itself - as I mentioned I discovered the problem with this application hosted on the server so I believe there may be a problem with the environment that I need to figure out. – lintunen Aug 5 '09 at 7:09
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Anyway, in case anyone is interested I found a solution to my problem. The application wasn't providing a content-length. When I wrote a script to buffer the output and append a content-length before displaying it to the browser the problem was solved.

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