500 Internal Error, But script runs on shell!

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500 Internal Error, But script runs on shell!

 
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  #1
Apr 4th, 2009
Following is a perl script. It is running on shell when I go perl followed by the filename and works perfectly. But when I try to open it from browser, it gives back a 500. The permissions are fine because if i make some syntax error, it gives me the expected error message on browser screen:

PERL Syntax (Toggle Plain Text) 
  1. #!/usr/bin/perl
  2. use strict;
  3. use CGI;
  4. use CGI::Carp "fatalsToBrowser"; 
  5. use DBI;
  6. use LWP;
  7.  
  8. my $cgi = new CGI;
  9.  
  10. my $url = "http://www.google.com";
  11.  
  12. my $browser = LWP::UserAgent->new;
  13.  
  14. my $content = $browser->get($url);
  15. print $cgi->start_html(), $cgi->header();
  16.  
  17. my $doc= $content->content();
  18.  
  19. if(length($doc) > 100)
  20. {
  21. 	extractMeta($doc);
  22. }
  23.  
  24. print $cgi->end_html(), "\n";
  25.  
  26. sub extractMeta()
  27. {
  28. 	print "Inside subroutine";
  29. 	#Databse Information
  30. }

Can someone tell me whats killing it in the browser??
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Re: 500 Internal Error, But script runs on shell!

 
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  #2
Apr 4th, 2009
The 500 is most likely caused by an error in your server setup rather than the code itself
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Re: 500 Internal Error, But script runs on shell!

 
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  #3
Apr 4th, 2009
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Originally Posted by jbennet View Post
The 500 is most likely caused by an error in your server setup rather than the code itself
Well, in that case, Its my college server. Someone must have crashed it! Thanks!!
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Re: 500 Internal Error, But script runs on shell!

 
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  #4
Apr 4th, 2009
What platform and web server is it running?
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Re: 500 Internal Error, But script runs on shell!

 
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Apr 4th, 2009
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Originally Posted by jbennet View Post
What platform and web server is it running?
I think its apache
2.0.63
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Re: 500 Internal Error, But script runs on shell!

 
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  #6
Apr 4th, 2009
the weird thing is its showing me syntax errors in the browser when i deleberately remove a semmi-colon or alike. But is not showing anything when everything is right. So i think it rules out the possibility of wrong permissions.
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Re: 500 Internal Error, But script runs on shell!

 
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  #7
Apr 4th, 2009
You need to print the header first, not second:

print $cgi->start_html(), $cgi->header();


should be:

print $cgi->header(), $cgi->start_html();
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Re: 500 Internal Error, But script runs on shell!

 
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Apr 5th, 2009
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Originally Posted by KevinADC View Post
You need to print the header first, not second:

print $cgi->start_html(), $cgi->header();


should be:

print $cgi->header(), $cgi->start_html();
Thanks, you were right!!
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