Error handling

smandape1 has asked for the wisdom of the Perl Monks concerning the following question:

Hello monks, Here I am again to get some help and enhance my knowledge and skills. I am trying to extract data from web using Connotea perl API. Connotea is an online reference library maintained by Nature, one of the known names in the field of life-sciences. It is a free-site. Users maintain their online reference library on connotea and I am trying to get the user information who have tagged their reference libraries which also includes the information about the references. Connotea provides perl API. While extracting the data I get this error

Invalid content type in response: text/html at mycode line 41

of the code

while (<IN0>)
{   my $currentURI = $_;
    chomp($currentURI);
my @tags = $c->posts_for(uri =>"$currentURI");
[download]

line 41 is the one that starts with my @tags. And where $currentURI comes from the list of uris I have and for which I am trying to get the information which is in the form of posts_for (this is coming from connotea perl API). This is in loop. I am using active perl 5.12.3. I learned from one of the experts that connotea only accepts RDF MIME types, i.e., application/xml or application/rdf+xml. text/html isn't either, and that is where your error comes from. In this case, the server is saying the content isn't RDF (as it isn't XML). Also one of the experts suggested me to use eval{} around virtually all connotea perl code. I tried but I don't understand how to deal with this. I hope I am a bit clear about my question. Help me monks. I greatly appreciate your help. Thank you, Sammed

Comment on Error handling Select or Download Code

Replies are listed 'Best First'.
Re: Error handling by ikegami (Patriarch) on Jul 18, 2011 at 17:31 UTC
So `posts_for` is throwing an error. Perhaps if we knew something about `posts_for`?	[reply] [d/l] [select]
Re^2: Error handling by smandape1 (Acolyte) on Jul 18, 2011 at 18:57 UTC
posts_for gets the information about the references like title, authors which is posted by the user. It simply gets the information and I print it using the file handle into a text file. That's it	[reply]
Re^3: Error handling by ikegami (Patriarch) on Jul 18, 2011 at 19:45 UTC
That's completely useless to me, sorry. I cannot figure out from that why `posts_for` throws an error.	[reply] [d/l]
Re^4: Error handling by smandape1 (Acolyte) on Jul 18, 2011 at 19:57 UTC
Re^5: Error handling by ikegami (Patriarch) on Jul 18, 2011 at 20:20 UTC
Some notes below your chosen depth have not been shown here