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There's some good info above for why things go wrong. And trouble shooting advice from the command line. But CGIs often behave very differently from the command line b/c of permissions or even paths.

My favorite trouble shooting tool is use CGI::Carp like so use CGI::Carp qw(fatalsToBrowser); Usually, that will identify the problem to you immediately (you can always check your error logs too depending on how they're configured but I like the module better).

Do not add this into a production script. It can give away functional details about the CGI or your system to potentially malicious users. You could copy the CGI to a new name (and path?) and set it to only accept a particular user or local connection and then add it. Then just run it till it dies and spits out the reason and not just a generic 500. Make sure you have good error catching routines in your script too to ensure the best information in the die'ing.


In reply to Re: Premature End of Script Headers Reasons? by Your Mother
in thread Premature End of Script Headers Reasons? by justanyone

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