[ale] apache2 process hanging
Armsby John-G16665
John.Armsby at motorola.com
Mon Mar 1 10:04:30 EST 2004
All,
I am at my dim wits end. I have tried and cried.
I am moving a working perl cgi program from hpux 10, perl 5.003, apache 1.3.1 TO Red Hat Linux 9, perl 5.8, apache2.
The program reads a several meg text file, and spits out a table based upon form criteria. The program compiles and executes with no problem. THE PROBLEM is that the print output appears to be hanging in the buffer. I get a little bit of output and then the program hangs. I have grepped the process and find that it is asleep after a few seconds.
I have seen a similar problem with a C cgi script that I moved over. Liberally sprinkling the print statements with flush fixed the problem.
I have tried placing $| = 1; immediately before all my print statements. No go. I have seen some "select" code associated with a file handle use with setting $| to 1, but have been unable to make the leap from flushing a file handle.
I can't figure out if this is a perl problem or an apache2 problem. Since I am taking the original Perl and moving it over, it appears that apache2 is handling buffering differently from1.3.1.
I am stumped.
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