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	<title>Ralph's TechBlog &#187; Plesk</title>
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		<title>Installing Bugzilla</title>
		<link>http://techblog.ralph-schuster.eu/2009/05/20/installing-bugzilla/</link>
		<comments>http://techblog.ralph-schuster.eu/2009/05/20/installing-bugzilla/#comments</comments>
		<pubDate>Wed, 20 May 2009 17:44:45 +0000</pubDate>
		<dc:creator>Ralph</dc:creator>
				<category><![CDATA[Apache]]></category>
		<category><![CDATA[Perl]]></category>
		<category><![CDATA[Bugzilla]]></category>
		<category><![CDATA[CGI]]></category>
		<category><![CDATA[Plesk]]></category>

		<guid isPermaLink="false">http://techblog.ralph-schuster.eu/?p=111</guid>
		<description><![CDATA[This was weird. I lately tried to install Bugzilla on one of my virtual hosts but it&#8217;s testserver.pl script failed with: Use of uninitialized value in pattern match (m//) at ./testserver.pl line 110. Use of uninitialized value in pattern match (m//) at ./testserver.pl line 110. TEST-FAILED Webserver is not executing CGI files. The Apache error [...]]]></description>
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<p>This was weird. I lately tried to install Bugzilla on one of my virtual hosts but it&#8217;s testserver.pl script failed with:</p>

<div class="wp_syntax"><div class="code"><pre class="log" style="font-family:monospace;">Use of uninitialized value in pattern match (m//) at ./testserver.pl line 110.
Use of uninitialized value in pattern match (m//) at ./testserver.pl line 110.
TEST-FAILED Webserver is not executing CGI files.</pre></div></div>

<p>The Apache error log told nothing more than</p>

<div class="wp_syntax"><div class="code"><pre class="log" style="font-family:monospace;">Premature end of script headers: testagent.cgi</pre></div></div>

<p>All Google lookups failed to solve my problem. Although I had the impression that my CGI setup was somehow wrong, I couldn&#8217;t find the reason. Then I intensively checked the VirtualHost directive. The server uses a Plesk 8.0 installation for setting up hosts. The default configuration for virtual hosts with CGI there is to include a &#8220;SuexecUserGroup&#8221; directive. After removing it, the Bugzilla installation succeeded.</p>
<p>So you might wanna give it a try <img src='http://techblog.ralph-schuster.eu/wp-includes/images/smilies/icon_wink.gif' alt=';)' class='wp-smiley' /> </p>
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