ResolutionIf an application works though the 9080 port, but fails to run on 80, it is possible that the Apache<->Tomcat (mod_jk) connector is not configured properly.
Make sure that the file $HTTPD_CONF_D/workers.properties that is included in $HTTPD_INCLUDE_D/zz010_psa_httpd.conf contains the following options:
If not, correct it and restart Apache.
If it doesn't help, check that you get an answer when running the following:
# telnet localhost 9008
Connected to localhost.localdomain (127.0.0.1).
Escape character is '^]'.
<Connector port="9008" enableLookups="true" debug="0" protocol="AJP/1.3"/>
If you don't see it, run this command to get the configuration needed by the Plesk connectors: