Sorry, there was a missing tag in the xml file from my previous post. ---------------------


Hello,

I have the following simple script to parse shift-jis XML. However, the script crashes every time I run it with a "Segmentation fault" after the first sleep. That is it crashes when starting the second thread on the second iteration of the while loop. Specifically, the crash occurs just before the safe_parsefile() is called during the second thread. I tried the script both on perl 5.8.0 and 5.8.5. Could it be that the first thread is not cleaning up some file handle? I have no way of telling. Please help! I don't know what's happening.

#!/usr/bin/perl

use XML::Twig;
use LWP::UserAgent;
use Thread;

$userAgent = new LWP::UserAgent;
$userAgent->timeout($connectTimeout);

while (1)
{
        my $thread = threads->new(\&querySystem);
        $thread->join;
        sleep 5;
}

sub querySystem
{
        my $statusCallback = queryStatus();
        my $statusTwig = new XML::Twig(twig_roots => {'Result/Status' 
+=> $statusCallback }, ProtocolEncoding=>"x-sjis-unicode");
              my $result = $statusTwig->safe_parsefile("xmlfile.xml");
}


sub queryStatus
{
        my $newfunc = sub {
                my($twig, $element) = @_;

                my $mmsVersion = $element->first_child('MMSVersion')->
+text;
                my $partVersion = $element->first_child('ParticipantVe
+rsion')->text;
                print "mmsVersion: $mmsVersion, partVersion: $partVers
+ion\n";
        };
        return $newfunc;
}

[download]
The XML file looks as follows: 
<?xml version="1.0" encoding="shift-jis"?>
<!DOCTYPE AdminRequest SYSTEM "AdminAPI.dtd">
<AdminRequest>
    <Header>
        <ReturnCode>0</ReturnCode>
        <ReturnString></ReturnString>
    </Header>
    
    <Results>
        
        <Result Id="123455">
            <Action>query_status</Action>
            <ReturnCode>0</ReturnCode>
            <ReturnString></ReturnString>
            
            
            
            <Status>
                <MMSVersion>2.1.74G</MMSVersion>
<ParticipantVersion>4.8.1565B</ParticipantVersion> 
                <MMSMajorVersion>5.1 jp</MMSMajorVersion>             
+   
            </Status>
            
        </Result>
        
    </Results>
    
</AdminRequest>

[download]

In reply to Script crashes when parsing XML by jabarin

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