Deploying with Static Context Descriptors 2006-04-03 - By sean.harrison@(protected)
Back
I'm migrating web applications from Tomcat v.4 to v.5.5 and having some
trouble adapting my old virtual hosts setup with the 5.5 recommended
methods.
According to http://tomcat.apache.org/tomcat-5 (See http://cat-5.ora-code.com).5-doc/config/context.html
"In addition to nesting Context elements inside a Host element, you can
also store them: in individual files (with a ".xml" extension) in the
$CATALINA_HOME/conf/[enginename]/[hostname]/ directory"
So to make sure I know what I'm doing, I used a server.xml with this:
<Engine name="Catalina" defaultHost="localhost">
<Realm className="org.apache.catalina.realm.UserDatabaseRealm  "
resourceName="UserDatabase"/>
<Host name="localhost" appBase="webapps" unpackWARs="true"
autoDeploy="true" xmlValidation="false" xmlNamespaceAware="false">
</Host>
</Engine>
And then created a file $CATALINA_HOME/conf/Catalina/localhost/sean.xml
with my Context element, which reads,
<Context path="" docBase="ROOT"></Context>
But when I start Tomcat, I get surprising errors. First...
Apr 3, 2006 3:05:13 PM org.apache.catalina.startup.HostConfig
deployDescriptor
WARNING: A docBase /var/tomcat5/webapps/ROOT inside the host appBase
has been specified, and will be ignored
Although Tomcat seems to be trying to read my docBase param, something is
not right. It thinks "appBase" is a host.[?] Then I get...
Apr 3, 2006 3:05:13 PM org.apache.catalina.core.StandardContext
resourcesStart
SEVERE: Error starting static Resources
java.lang.IllegalArgumentException : Document base
/var/tomcat5/webapps/sean does not exist or is not a readable directory
Tomcat seems to be looking for a web app by the name of "sean" from the
filename "sean.xml." But according to
http://tomcat.apache.org/tomcat-5 (See http://cat-5.ora-code.com).5-doc/deployer-howto.html "If a Context
Descriptor is... ...manually created, the filename need not match the web
application name as Tomcat is concerned only with the Context
configuration contained within the Context Descriptor file(s)."
With Tomcat 4 I had my Context Descriptors outside of server.xml and
separated by virtual hosts in individual files very similar to v5.5's
$CATALINA_HOME/conf/[enginename]/[hostname]/ approach, but now I can't
seem to get grasp how exactly v.5.5. wants it done.
What am I missing?
Thanks in advance,
S e a n H a r r i s o n
- - -
Internet Services Administrator
Lincoln, Nebraska
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