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From Josh Gooding <josh.good...@gmail.com>
Subject Tomcat 5.5 context.xml question.
Date Fri, 24 Aug 2012 17:30:59 GMT
Wow, has it really been that long since I've asked questions here?  On to
the meat and potatoes...

I have a tomcat 5.5.23 installation here that I am trying to do some
changes too and I am a bit lost..  Let me try to explain what I want to
do.  The application has both a context defined in the server.xml and in
the context.xml file in the META-INF directory.  I've currently removed the
context in the server.xml and moved it into it's own context.xml file.

I have removed all context references in the server.xml so it looks like
this now <minus the server name for obvious reasons>:


<Server port="8005" shutdown="SHUTDOWN" debug="0">

        <Listener
className="org.apache.catalina.mbeans.ServerLifecycleListener" debug="0"/>
        <Listener
className="org.apache.catalina.mbeans.GlobalResourcesLifecycleListener"
debug="0"/>

        <GlobalNamingResources>
                <Environment name="simpleValue" type="java.lang.Integer"
value="30"/>
        </GlobalNamingResources>

        <Service name="Catalina">

                <Connector port="8009"
                        enableLookups="false" redirectPort="8443" debug="0"
                        protocol="AJP/1.3" />

                <Connector port="8080" maxHttpHeaderSize="8192"
                        maxThreads="150" minSpareThreads="25"
maxSpareThreads="75"
                        enableLookups="false" redirectPort="8443"
acceptCount="100"
                        connectionTimeout="20000"
disableUploadTimeout="true" />

                <Engine name="Catalina" defaultHost="server.com" debug="0">

                        <Host name="server.com" debug="0" appBase="webapps"
                                deployOnStartup="true" unpackWARs="true"
autoDeploy="true"
                                xmlValidation="false"
xmlNamespaceAware="false" />
                </Engine>
        </Service>
</Server>

It's pretty simple and elegant.  Not hard to follow.  So in my project,
I've created a META-INF/context.xml file with the following declaration:

<Context>

        <Realm className="org.apache.catalina.realm.JDBCRealm"
           debug="99"
           driverName="com.mysql.jdbc.Driver"
           connectionURL="jdbc:mysql://dbreader/.."
           connectionName="emr_jsp"
           connectionPassword="....."
           userTable="TomcatUsers"
           userNameCol="UserID"
           userCredCol="Password"
           userRoleTable="TomcatUserRoles"
           roleNameCol="RoleID"
           digest="MD5"/>

        <Manager className="org.apache.catalina.session.PersistentManager"
           saveOnRestart="true" distributable="true">

                <Store className="org.apache.catalina.session.FileStore"
                   directory="/tmp/tc_sessions/"/>
        </Manager>
</Context>

again, not hard to follow.  this project is packaged up in the WebEMR.war
and resides under the $CATALINA_HOME/webapps/billing-1.0.4 directory

I have deleted everything under the $CATALINA_HOME/work directory and also
the $CATALINA_HOME/conf/[Engine] directory.  The war successfully builds,
and I had it deploys with the server.xml configuration below, when the
contexts are defined within it.  According to the docs, your supposed to
remove the path="" and docBase="" attributes from the new context
declaration within the context.xml file, so I have done that.  When I start
up tomcat, nothing outputs to catalina.out, so I attached log4j to the
server and I get this little gem of a message:

DEBUG ContainerBackgroundProcessor[StandardEngine[Catalina]]
org.apache.catalina.startup.HostConfig - Checking context[/billing-1.0.4]
redeploy resource /opt/tomcat/webapps/billing-1.0.4/META-INF/context.xml.

There's something missing there.... it appears that the WebEMR.war is not
being deployed and it is looking for the files at the billing-1.0.4
directory.  I've got to be missing something, but for the life of me I
cannot figure out what it is.  Can someone give me some insight please?

This is the working server.xml file.  With this one, the WebEMR.war is
sitting in $CATALINA_HOME/webapps/billing-1.0.4/.  It deploys out to
$CATALINA_HOME/webapps/1.0.4

<Server port="8005" shutdown="SHUTDOWN" debug="0">

        <Listener
className="org.apache.catalina.mbeans.ServerLifecycleListener" debug="0"/>
        <Listener
className="org.apache.catalina.mbeans.GlobalResourcesLifecycleListener"
debug="0"/>

        <GlobalNamingResources>
                <Environment name="simpleValue" type="java.lang.Integer"
value="30"/>
        </GlobalNamingResources>

        <Service name="Catalina">

                <Connector port="8009"
                        enableLookups="false" redirectPort="8443" debug="0"
                        protocol="AJP/1.3" />

                <Connector port="8080" maxHttpHeaderSize="8192"
                        maxThreads="150" minSpareThreads="25"
maxSpareThreads="75"
                        enableLookups="false" redirectPort="8443"
acceptCount="100"
                        connectionTimeout="20000"
disableUploadTimeout="true" />

                <Engine name="Catalina" defaultHost="server.com" debug="0">

                        <Host name="server.com" debug="0" appBase="webapps"
                                deployOnStartup="true" unpackWARs="true"
autoDeploy="true"
                                xmlValidation="false"
xmlNamespaceAware="false">

                                <Context path="/1.0.4"
docBase="billing-1.0.4/WebEMR">

                                        <Realm
className="org.apache.catalina.realm.JDBCRealm"
                                                debug="99"

driverName="com.mysql.jdbc.Driver"

connectionURL="jdbc:mysql://dbwriter/"
                                                connectionName="tclogin"
                                                connectionPassword="shhhhhh"
                                                userTable="TomcatUsers"
                                                userNameCol="UserID"
                                                userCredCol="Password"

userRoleTable="TomcatUserRoles"
                                                roleNameCol="RoleID"
                                                digest="MD5">

                                        </Realm>
                                </Context>
                        </Host>
                </Engine>
        </Service>
</Server>

Warmest regards and thanks in advance!

- Josh

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