Tomcat fails to  start with the following in
/usr/local/tomcat/logs/catalina.2012-10-19.log

<pre>
java.lang.ClassNotFoundException: org.apache.ajp.tomcat4.config.ApacheConfig
</pre>
<a href="http://www.sitepoint.com/forums/showthread.php?148529-Linking-Apache-and-Tomcat-5">http://www.sitepoint.com/forums/showthread.php?148529-Linking-Apache-and-Tomcat-5</a> says:

<blockquote>
In tomcat5 they moved the org.apache.ajp.tomcat4.config.ApacheConfig to org.apache.jk.config.ApacheConfig
</blockquote>

In <a href="http://embedded.eecs.berkeley.edu/dopsysadmin/faq/35.html">What is Tomcat and how do I install it?</a> 
<code>/usr/local/tomcat/conf/server.xml</code> is what 
requests the bad class.

<p>Solutions: Ended up going back to Tomcat 4.
Also, server.xml had bad classes.