Turn on warnings by
use warning;
To run a perl script with warnings, type -w with the shebang as in
#!/usr/bin/perl -w
print “Content-type: text/html\n\n”;
print “Hello World\n”;
Check if you have the following line in the program
print “Content-type: text/html\n\n”;
This will output the text to the browser from the server.
Print error messages to the browser using
use CGI::Carp qw(fatalsToBrowser);
The other way is to use the print command to debug your program.
Common error messages
» The specified CGI application misbehaved by not returning a complete set of HTTP headers.
» Can’t locate missing-file.pm in @INC (@INC contains: ….. )
