It means that the output is not well formed. This can either be: i) you made a mistake in the response header, which needs to start with Content-type: text/html and two line breaks (but proper usage of any CGI module will take care of that); ii) something is erroneously printed into your response before this header (a debug print for example). | [reply]
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I'm nitpicking I know, but the response header can start and end with many directives...the only absolutely required one is Content-Type (and it must indeed end with two linebreaks). For example, this is perfectly legal:
Set-Cookie: USER_COOKIE=blahblahblah; path=/; domain=.example.com
Content-Type: text/plain
Transfer-Encoding: chunked
Content-Encoding: gzip
This is my content...
Of course, if the OP is already using CGI (which he should be), then you can simply use the CGI->header() method:
print CGI->header('text/plain');
__________
Systems development is like banging your head against a wall...
It's usually very painful, but if you're persistent, you'll get through it.
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