[Lxr-dev] [ lxr-Bugs-3581487 ] genxref crash while reading configuration

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Bugs item #3581487, was opened at 2012-10-28 19:21
Message generated for change (Comment added) made by oliwer_
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Category: genxref
Group: v1.0
Status: Open
Resolution: None
Priority: 5
Private: No
Submitted By: Olivier Duclos (oliwer_)
Assigned to: Nobody/Anonymous (nobody)
Summary: genxref crash while reading configuration

Initial Comment:
When launching genxref with the command './genxref --url=http://lxr.domain.com --allversions' I get the following error:

No matching configuration at ./genxref line 312, <FILETYPE> line 1.

I tried to track down the error and found this a few lines above :

if ($option{'url'}) {   # Single 'url'
        @config = (1);          # Fake list to prevent looping
}

This may prevent looping but the rest of the script needed the data in @config. I tried commenting this passage, but then the script exits without any error and without having generating the database files!

This was on Debian Squeeze with Perl 5.10.1.

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>Comment By: Olivier Duclos (oliwer_)
Date: 2012-10-29 07:02

Message:
Thanks for your quick reply.

I should have started from the beginning. My lxr.conf contains this:

'host_names' =>       [ 'lxr.sleepycat.fr' ]
'virtroot'    => ''

When I launch ./genxref --url=//lxr.sleepycat.fr --allversions   I get
this:
Can't find config for http://lxr.sleepycat.fr/: ...

I tried adding 'http://' in the hostname and putting '/' in virtroot but it
doesn't change anything. Then I added this line to lxr.conf : 

, 'baseurl' => 'http://lxr.sleepycat.fr'

and it got me to the problem mentioned above. I'm stuck!

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Comment By: Andre-Littoz (ajlittoz)
Date: 2012-10-29 02:51

Message:
Hi,

Your analysis is wrong: inside the loop, access to data in @config (aka.
through variable $treedescr) is protected by another "if ($option("url"))"
to discriminate between single and multiple URL indexing. It should work as
is.

Check that your --url argument is correct. As I read it, it only contains
the target hostname, i.e. without 'virtroot'. The genxref line should read
something like:

./genxref --url=http://lxr.domain.com/virtroot --allversions

unless, of course, your 'virtroot' is only '/', meaning the host only
contains a single LXR tree (without any other page).

If you forgot nothing, send your lxr.conf.

Regards,
ajl

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