You are viewing a plain text version of this content. The canonical link for it is here.
Posted to users@tomcat.apache.org by Scott Purcell <sp...@vertisinc.com> on 2005/04/08 19:35:55 UTC

Add Context Path, Tomcat 5.5.7

Hello,
 
I am following the information here to add DBCP to my application.
http://jakarta.apache.org/tomcat/tomcat-5.5-doc/jndi-datasource-examples-howto.html
 
I am reading to add the <Context path="/DBTest ... from the above docs." The instructions say to ".
 
Configure the JNDI DataSource in Tomcat by adding a declaration for your resource to $CATALINA_HOME/conf/server.xml.

Add this in between the </Context> tag of the examples context and the </Host> tag closing the localhost definition.

 

So cool, I opened up the server.xml, but do not see any existing context or host tags in it. Here is my server.xml file. Does anyone know where I put the Context for the DBCP stuff? Thanks,

'<!-- Example Server Configuration File -->
<!-- Note that component elements are nested corresponding to their
     parent-child relationships with each other -->
 
<!-- A "Server" is a singleton element that represents the entire JVM,
     which may contain one or more "Service" instances.  The Server
     listens for a shutdown command on the indicated port.
 
     Note:  A "Server" is not itself a "Container", so you may not
     define subcomponents such as "Valves" or "Loggers" at this level.
 -->
 
<Server port="8005" shutdown="SHUTDOWN">
 
  <!-- Comment these entries out to disable JMX MBeans support used for the 
       administration web application -->
  <Listener className="org.apache.catalina.mbeans.ServerLifecycleListener" />
  <Listener className="org.apache.catalina.mbeans.GlobalResourcesLifecycleListener" />
  <Listener className="org.apache.catalina.storeconfig.StoreConfigLifecycleListener"/>
 
  <!-- Global JNDI resources -->
  <GlobalNamingResources>
 
    <!-- Test entry for demonstration purposes -->
    <Environment name="simpleValue" type="java.lang.Integer" value="30"/>
 
    <!-- Editable user database that can also be used by
         UserDatabaseRealm to authenticate users -->
    <Resource name="UserDatabase" auth="Container"
              type="org.apache.catalina.UserDatabase"
       description="User database that can be updated and saved"
           factory="org.apache.catalina.users.MemoryUserDatabaseFactory"
          pathname="conf/tomcat-users.xml" />
 
  </GlobalNamingResources>
 
  <!-- A "Service" is a collection of one or more "Connectors" that share
       a single "Container" (and therefore the web applications visible
       within that Container).  Normally, that Container is an "Engine",
       but this is not required.
 
       Note:  A "Service" is not itself a "Container", so you may not
       define subcomponents such as "Valves" or "Loggers" at this level.
   -->
 
  <!-- Define the Tomcat Stand-Alone Service -->
  <Service name="Catalina">
 
    <!-- A "Connector" represents an endpoint by which requests are received
         and responses are returned.  Each Connector passes requests on to the
         associated "Container" (normally an Engine) for processing.
 
         By default, a non-SSL HTTP/1.1 Connector is established on port 8080.
         You can also enable an SSL HTTP/1.1 Connector on port 8443 by
         following the instructions below and uncommenting the second Connector
         entry.  SSL support requires the following steps (see the SSL Config
         HOWTO in the Tomcat 5 documentation bundle for more detailed
         instructions):
         * If your JDK version 1.3 or prior, download and install JSSE 1.0.2 or
           later, and put the JAR files into "$JAVA_HOME/jre/lib/ext".
         * Execute:
             %JAVA_HOME%\bin\keytool -genkey -alias tomcat -keyalg RSA (Windows)
             $JAVA_HOME/bin/keytool -genkey -alias tomcat -keyalg RSA  (Unix)
           with a password value of "changeit" for both the certificate and
           the keystore itself.
 
         By default, DNS lookups are enabled when a web application calls
         request.getRemoteHost().  This can have an adverse impact on
         performance, so you can disable it by setting the
         "enableLookups" attribute to "false".  When DNS lookups are disabled,
         request.getRemoteHost() will return the String version of the
         IP address of the remote client.
    -->
 
    <!-- Define a non-SSL HTTP/1.1 Connector on port 8080 -->
    <Connector
port="80"               maxThreads="150" minSpareThreads="25" maxSpareThreads="75"
               enableLookups="false" redirectPort="8443" acceptCount="100"
               connectionTimeout="20000" disableUploadTimeout="true" />
    <!-- Note : To disable connection timeouts, set connectionTimeout value
     to 0 -->
 
 <!-- Note : To use gzip compression you could set the following properties :
 
      compression="on" 
      compressionMinSize="2048" 
      noCompressionUserAgents="gozilla, traviata" 
      compressableMimeType="text/html,text/xml"
 -->
 
    <!-- Define a SSL HTTP/1.1 Connector on port 8443 -->
    <!--
    <Connector port="8443" 
               maxThreads="150" minSpareThreads="25" maxSpareThreads="75"
               enableLookups="false" disableUploadTimeout="true"
               acceptCount="100" scheme="https" secure="true"
               clientAuth="false" sslProtocol="TLS" />
    -->
 
    <!-- Define an AJP 1.3 Connector on port 8009 -->
    <Connector port="8009" 
               enableLookups="false" redirectPort="8443" protocol="AJP/1.3" />
 
    <!-- Define a Proxied HTTP/1.1 Connector on port 8082 -->
    <!-- See proxy documentation for more information about using this. -->
    <!--
    <Connector port="8082" 
               maxThreads="150" minSpareThreads="25" maxSpareThreads="75"
               enableLookups="false" acceptCount="100" connectionTimeout="20000"
               proxyPort="80" disableUploadTimeout="true" />
    -->
 
    <!-- An Engine represents the entry point (within Catalina) that processes
         every request.  The Engine implementation for Tomcat stand alone
         analyzes the HTTP headers included with the request, and passes them
         on to the appropriate Host (virtual host). -->
 
    <!-- You should set jvmRoute to support load-balancing via AJP ie :
    <Engine name="Standalone" defaultHost="localhost" jvmRoute="jvm1">         
    --> 
         
    <!-- Define the top level container in our container hierarchy -->
    <Engine name="Catalina" defaultHost="localhost">
 
      <!-- The request dumper valve dumps useful debugging information about
           the request headers and cookies that were received, and the response
           headers and cookies that were sent, for all requests received by
           this instance of Tomcat.  If you care only about requests to a
           particular virtual host, or a particular application, nest this
           element inside the corresponding <Host> or <Context> entry instead.
 
           For a similar mechanism that is portable to all Servlet 2.4
           containers, check out the "RequestDumperFilter" Filter in the
           example application (the source for this filter may be found in
           "$CATALINA_HOME/webapps/examples/WEB-INF/classes/filters").
 
           Request dumping is disabled by default.  Uncomment the following
           element to enable it. -->
      <!--
      <Valve className="org.apache.catalina.valves.RequestDumperValve"/>
      -->
 
      <!-- Because this Realm is here, an instance will be shared globally -->
 
      <!-- This Realm uses the UserDatabase configured in the global JNDI
           resources under the key "UserDatabase".  Any edits
           that are performed against this UserDatabase are immediately
           available for use by the Realm.  -->
      <Realm className="org.apache.catalina.realm.UserDatabaseRealm"
             resourceName="UserDatabase"/>
 
      <!-- Comment out the old realm but leave here for now in case we
           need to go back quickly -->
      <!--
      <Realm className="org.apache.catalina.realm.MemoryRealm" />
      -->
 
      <!-- Replace the above Realm with one of the following to get a Realm
           stored in a database and accessed via JDBC -->
 
      <!--
      <Realm  className="org.apache.catalina.realm.JDBCRealm"
             driverName="org.gjt.mm.mysql.Driver"
          connectionURL="jdbc:mysql://localhost/authority"
         connectionName="test" connectionPassword="test"
              userTable="users" userNameCol="user_name" userCredCol="user_pass"
          userRoleTable="user_roles" roleNameCol="role_name" />
      -->
 
      <!--
      <Realm  className="org.apache.catalina.realm.JDBCRealm"
             driverName="oracle.jdbc.driver.OracleDriver"
          connectionURL="jdbc:oracle:thin:@ntserver:1521:ORCL"
         connectionName="scott" connectionPassword="tiger"
              userTable="users" userNameCol="user_name" userCredCol="user_pass"
          userRoleTable="user_roles" roleNameCol="role_name" />
      -->
 
      <!--
      <Realm  className="org.apache.catalina.realm.JDBCRealm"
             driverName="sun.jdbc.odbc.JdbcOdbcDriver"
          connectionURL="jdbc:odbc:CATALINA"
              userTable="users" userNameCol="user_name" userCredCol="user_pass"
          userRoleTable="user_roles" roleNameCol="role_name" />
      -->
 
      <!-- Define the default virtual host
           Note: XML Schema validation will not work with Xerces 2.2.
       -->
      <Host name="localhost" appBase="webapps"
       unpackWARs="true" autoDeploy="true"
       xmlValidation="false" xmlNamespaceAware="false">
 
        <!-- Defines a cluster for this node,
             By defining this element, means that every manager will be changed.
             So when running a cluster, only make sure that you have webapps in there
             that need to be clustered and remove the other ones.
             A cluster has the following parameters:
 
             className = the fully qualified name of the cluster class
 
             name = a descriptive name for your cluster, can be anything
 
             mcastAddr = the multicast address, has to be the same for all the nodes
 
             mcastPort = the multicast port, has to be the same for all the nodes
             
             mcastBindAddr = bind the multicast socket to a specific address
             
             mcastTTL = the multicast TTL if you want to limit your broadcast
             
             mcastSoTimeout = the multicast readtimeout 
 
             mcastFrequency = the number of milliseconds in between sending a "I'm alive" heartbeat
 
             mcastDropTime = the number a milliseconds before a node is considered "dead" if no heartbeat is received
 
             tcpThreadCount = the number of threads to handle incoming replication requests, optimal would be the same amount of threads as nodes 
 
             tcpListenAddress = the listen address (bind address) for TCP cluster request on this host, 
                                in case of multiple ethernet cards.
                                auto means that address becomes
                                InetAddress.getLocalHost().getHostAddress()
 
             tcpListenPort = the tcp listen port
 
             tcpSelectorTimeout = the timeout (ms) for the Selector.select() method in case the OS
                                  has a wakup bug in java.nio. Set to 0 for no timeout
 
             printToScreen = true means that managers will also print to std.out
 
             expireSessionsOnShutdown = true means that 
 
             useDirtyFlag = true means that we only replicate a session after setAttribute,removeAttribute has been called.
                            false means to replicate the session after each request.
                            false means that replication would work for the following piece of code: (only for SimpleTcpReplicationManager)
                            <%
                            HashMap map = (HashMap)session.getAttribute("map");
                            map.put("key","value");
                            %>
             replicationMode = can be either 'pooled', 'synchronous' or 'asynchronous'.
                               * Pooled means that the replication happens using several sockets in a synchronous way. Ie, the data gets replicated, then the request return. This is the same as the 'synchronous' setting except it uses a pool of sockets, hence it is multithreaded. This is the fastest and safest configuration. To use this, also increase the nr of tcp threads that you have dealing with replication.
                               * Synchronous means that the thread that executes the request, is also the
                               thread the replicates the data to the other nodes, and will not return until all
                               nodes have received the information.
                               * Asynchronous means that there is a specific 'sender' thread for each cluster node,
                               so the request thread will queue the replication request into a "smart" queue,
                               and then return to the client.
                               The "smart" queue is a queue where when a session is added to the queue, and the same session
                               already exists in the queue from a previous request, that session will be replaced
                               in the queue instead of replicating two requests. This almost never happens, unless there is a 
                               large network delay.
        -->             
        <!--
            When configuring for clustering, you also add in a valve to catch all the requests
            coming in, at the end of the request, the session may or may not be replicated.
            A session is replicated if and only if all the conditions are met:
            1. useDirtyFlag is true or setAttribute or removeAttribute has been called AND
            2. a session exists (has been created)
            3. the request is not trapped by the "filter" attribute
 
            The filter attribute is to filter out requests that could not modify the session,
            hence we don't replicate the session after the end of this request.
            The filter is negative, ie, anything you put in the filter, you mean to filter out,
            ie, no replication will be done on requests that match one of the filters.
            The filter attribute is delimited by ;, so you can't escape out ; even if you wanted to.
 
            filter=".*\.gif;.*\.js;" means that we will not replicate the session after requests with the URI
            ending with .gif and .js are intercepted.
            
            The deployer element can be used to deploy apps cluster wide.
            Currently the deployment only deploys/undeploys to working members in the cluster
            so no WARs are copied upons startup of a broken node.
            The deployer watches a directory (watchDir) for WAR files when watchEnabled="true"
            When a new war file is added the war gets deployed to the local instance,
            and then deployed to the other instances in the cluster.
            When a war file is deleted from the watchDir the war is undeployed locally 
            and cluster wide
        -->
        
        <!--
        <Cluster className="org.apache.catalina.cluster.tcp.SimpleTcpCluster"
                 managerClassName="org.apache.catalina.cluster.session.DeltaManager"
                 expireSessionsOnShutdown="false"
                 useDirtyFlag="true"
                 notifyListenersOnReplication="true">
 
            <Membership 
                className="org.apache.catalina.cluster.mcast.McastService"
                mcastAddr="228.0.0.4"
                mcastPort="45564"
                mcastFrequency="500"
                mcastDropTime="3000"/>
 
            <Receiver 
                className="org.apache.catalina.cluster.tcp.ReplicationListener"
                tcpListenAddress="auto"
                tcpListenPort="4001"
                tcpSelectorTimeout="100"
                tcpThreadCount="6"/>
 
            <Sender
                className="org.apache.catalina.cluster.tcp.ReplicationTransmitter"
                replicationMode="pooled"
                ackTimeout="15000"/>
 
            <Valve className="org.apache.catalina.cluster.tcp.ReplicationValve"
                   filter=".*\.gif;.*\.js;.*\.jpg;.*\.htm;.*\.html;.*\.txt;"/>
                   
            <Deployer className="org.apache.catalina.cluster.deploy.FarmWarDeployer"
                      tempDir="/tmp/war-temp/"
                      deployDir="/tmp/war-deploy/"
                      watchDir="/tmp/war-listen/"
                      watchEnabled="false"/>
        </Cluster>
        -->        
 
 
 
        <!-- Normally, users must authenticate themselves to each web app
             individually.  Uncomment the following entry if you would like
             a user to be authenticated the first time they encounter a
             resource protected by a security constraint, and then have that
             user identity maintained across *all* web applications contained
             in this virtual host. -->
        <!--
        <Valve className="org.apache.catalina.authenticator.SingleSignOn" />
        -->
 
        <!-- Access log processes all requests for this virtual host.  By
             default, log files are created in the "logs" directory relative to
             $CATALINA_HOME.  If you wish, you can specify a different
             directory with the "directory" attribute.  Specify either a relative
             (to $CATALINA_HOME) or absolute path to the desired directory.
        -->
        <!--
        <Valve className="org.apache.catalina.valves.AccessLogValve"
                 directory="logs"  prefix="localhost_access_log." suffix=".txt"
                 pattern="common" resolveHosts="false"/>
        -->
 
        <!-- Access log processes all requests for this virtual host.  By
             default, log files are created in the "logs" directory relative to
             $CATALINA_HOME.  If you wish, you can specify a different
             directory with the "directory" attribute.  Specify either a relative
             (to $CATALINA_HOME) or absolute path to the desired directory.
             This access log implementation is optimized for maximum performance,
             but is hardcoded to support only the "common" and "combined" patterns.
        -->
        <!--
        <Valve className="org.apache.catalina.valves.FastCommonAccessLogValve"
                 directory="logs"  prefix="localhost_access_log." suffix=".txt"
                 pattern="common" resolveHosts="false"/>
        -->
 
      </Host>
 
    </Engine>
 
  </Service>
 
</Server>


 

 

Scott K Purcell | Developer | VERTIS | 
555 Washington Ave. 4th Floor | St. Louis, MO 63101 | 
314.588.0720 Ext:1320 | spurcell@vertisinc.com | http://www.vertisinc.com <http://www.vertisinc.com/>  

Vertis is the premier provider of targeted advertising, media, and 
marketing services that drive consumers to marketers more effectively. 
                                                 

 

Re: Add Context Path, Tomcat 5.5.7

Posted by P T <ps...@gmail.com>.
Scott,

I feel your pain -- I just finished sorting out that whole thing
myself. One thing I'd definitely recommend doing is installing the
admin tool for tomcat 5 and using it to change something trivial in
your server.xml file. When it gets done making the change it strips
out all the comments as a side effect and makes the file *much*
cleaner and, in my opinion, more readable. As for your question:
if the resource is to be used for multiple applications, you could put
it in the server.xml... if not (and I'm going to presume that's the
case for you -- let me know if not) then you're much better off using
your application-specific WEB-INF\web.xml and META-INF\context.xml
files like so:


<your application docbase>\META-INF\context.xml would look something like:
<Context path="/Foo" 
         docBase="C:/Foo" 
         debug="1" reloadable="true">
  <Resource
      auth="Container"
      name="jdbc/aNameForYourDBresource"
      type="javax.sql.DataSource"
      password="Foo"
      driverClassName="oracle.jdbc.driver.OracleDriver" 
      maxIdle="3"
      maxWait="5000"
      username="Foo"
      url="jdbc:oracle:thin:@Foo:1521:Foo"
      maxActive="15"/>
  <WatchedResource>WEB-INF/web.xml</WatchedResource>
  <WatchedResource>META-INF/context.xml</WatchedResource>
</Context>

and your <your application docbase>WEB-INF\web.xml would then
reference the resource defined in the context above (the res-ref-name
should match the resource name)....

<?xml version="1.0" encoding="ISO-8859-1"?>

<!DOCTYPE web-app 
    PUBLIC "-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN" 
    "http://java.sun.com/dtd/web-app_2_3.dtd">

<web-app>

   <display-name>Your app's name</display-name>
      <description>
      Slices, dices and makes fresh canned spam!
   </description>

   <resource-ref>
      <description>Description of Datasource</description>
      <res-ref-name>jdbc/aNameForYourDBresource</res-ref-name>
      <res-type>javax.sql.DataSource</res-type>
      <res-auth>Container</res-auth>
   </resource-ref>
</web-app>

It's helpful to think of the individual application context.xml files
being 'included' as <context> entries in the server.xml file (almost
like an @include, except implicit).

Hope that helps! Let me know if I can clarify anything.

Cheers,
Patrick Thomas

(PS - remember to install the jakarta commons and pooling jars
mentioned in the dbcp documentation.)

On Apr 8, 2005 11:13 AM, David Smith <dn...@cornell.edu> wrote:
> Hi.
> 
> Take a look at this for where to put <Context> elements:
> http://jakarta.apache.org/tomcat/tomcat-5.5-doc/config/context.html
> 
> This is new with Tomcat 5.0 and is continued in Tomcat 5.5
> 
> --David
> 
> Scott Purcell wrote:
> 
> >Hello,
> >
> >I am following the information here to add DBCP to my application.
> >http://jakarta.apache.org/tomcat/tomcat-5.5-doc/jndi-datasource-examples-howto.html
> >
> >I am reading to add the <Context path="/DBTest ... from the above docs." The instructions say to ".
> >
> >Configure the JNDI DataSource in Tomcat by adding a declaration for your resource to $CATALINA_HOME/conf/server.xml.
> >
> >Add this in between the </Context> tag of the examples context and the </Host> tag closing the localhost definition.
> >
> >
> >
> >So cool, I opened up the server.xml, but do not see any existing context or host tags in it. Here is my server.xml file. Does anyone know where I put the Context for the DBCP stuff? Thanks,
> >
> >'<!-- Example Server Configuration File -->
> ><!-- Note that component elements are nested corresponding to their
> >     parent-child relationships with each other -->
> >
> ><!-- A "Server" is a singleton element that represents the entire JVM,
> >     which may contain one or more "Service" instances.  The Server
> >     listens for a shutdown command on the indicated port.
> >
> >     Note:  A "Server" is not itself a "Container", so you may not
> >     define subcomponents such as "Valves" or "Loggers" at this level.
> > -->
> >
> ><Server port="8005" shutdown="SHUTDOWN">
> >
> >  <!-- Comment these entries out to disable JMX MBeans support used for the
> >       administration web application -->
> >  <Listener className="org.apache.catalina.mbeans.ServerLifecycleListener" />
> >  <Listener className="org.apache.catalina.mbeans.GlobalResourcesLifecycleListener" />
> >  <Listener className="org.apache.catalina.storeconfig.StoreConfigLifecycleListener"/>
> >
> >  <!-- Global JNDI resources -->
> >  <GlobalNamingResources>
> >
> >    <!-- Test entry for demonstration purposes -->
> >    <Environment name="simpleValue" type="java.lang.Integer" value="30"/>
> >
> >    <!-- Editable user database that can also be used by
> >         UserDatabaseRealm to authenticate users -->
> >    <Resource name="UserDatabase" auth="Container"
> >              type="org.apache.catalina.UserDatabase"
> >       description="User database that can be updated and saved"
> >           factory="org.apache.catalina.users.MemoryUserDatabaseFactory"
> >          pathname="conf/tomcat-users.xml" />
> >
> >  </GlobalNamingResources>
> >
> >  <!-- A "Service" is a collection of one or more "Connectors" that share
> >       a single "Container" (and therefore the web applications visible
> >       within that Container).  Normally, that Container is an "Engine",
> >       but this is not required.
> >
> >       Note:  A "Service" is not itself a "Container", so you may not
> >       define subcomponents such as "Valves" or "Loggers" at this level.
> >   -->
> >
> >  <!-- Define the Tomcat Stand-Alone Service -->
> >  <Service name="Catalina">
> >
> >    <!-- A "Connector" represents an endpoint by which requests are received
> >         and responses are returned.  Each Connector passes requests on to the
> >         associated "Container" (normally an Engine) for processing.
> >
> >         By default, a non-SSL HTTP/1.1 Connector is established on port 8080.
> >         You can also enable an SSL HTTP/1.1 Connector on port 8443 by
> >         following the instructions below and uncommenting the second Connector
> >         entry.  SSL support requires the following steps (see the SSL Config
> >         HOWTO in the Tomcat 5 documentation bundle for more detailed
> >         instructions):
> >         * If your JDK version 1.3 or prior, download and install JSSE 1.0.2 or
> >           later, and put the JAR files into "$JAVA_HOME/jre/lib/ext".
> >         * Execute:
> >             %JAVA_HOME%\bin\keytool -genkey -alias tomcat -keyalg RSA (Windows)
> >             $JAVA_HOME/bin/keytool -genkey -alias tomcat -keyalg RSA  (Unix)
> >           with a password value of "changeit" for both the certificate and
> >           the keystore itself.
> >
> >         By default, DNS lookups are enabled when a web application calls
> >         request.getRemoteHost().  This can have an adverse impact on
> >         performance, so you can disable it by setting the
> >         "enableLookups" attribute to "false".  When DNS lookups are disabled,
> >         request.getRemoteHost() will return the String version of the
> >         IP address of the remote client.
> >    -->
> >
> >    <!-- Define a non-SSL HTTP/1.1 Connector on port 8080 -->
> >    <Connector
> >port="80"               maxThreads="150" minSpareThreads="25" maxSpareThreads="75"
> >               enableLookups="false" redirectPort="8443" acceptCount="100"
> >               connectionTimeout="20000" disableUploadTimeout="true" />
> >    <!-- Note : To disable connection timeouts, set connectionTimeout value
> >     to 0 -->
> >
> > <!-- Note : To use gzip compression you could set the following properties :
> >
> >      compression="on"
> >      compressionMinSize="2048"
> >      noCompressionUserAgents="gozilla, traviata"
> >      compressableMimeType="text/html,text/xml"
> > -->
> >
> >    <!-- Define a SSL HTTP/1.1 Connector on port 8443 -->
> >    <!--
> >    <Connector port="8443"
> >               maxThreads="150" minSpareThreads="25" maxSpareThreads="75"
> >               enableLookups="false" disableUploadTimeout="true"
> >               acceptCount="100" scheme="https" secure="true"
> >               clientAuth="false" sslProtocol="TLS" />
> >    -->
> >
> >    <!-- Define an AJP 1.3 Connector on port 8009 -->
> >    <Connector port="8009"
> >               enableLookups="false" redirectPort="8443" protocol="AJP/1.3" />
> >
> >    <!-- Define a Proxied HTTP/1.1 Connector on port 8082 -->
> >    <!-- See proxy documentation for more information about using this. -->
> >    <!--
> >    <Connector port="8082"
> >               maxThreads="150" minSpareThreads="25" maxSpareThreads="75"
> >               enableLookups="false" acceptCount="100" connectionTimeout="20000"
> >               proxyPort="80" disableUploadTimeout="true" />
> >    -->
> >
> >    <!-- An Engine represents the entry point (within Catalina) that processes
> >         every request.  The Engine implementation for Tomcat stand alone
> >         analyzes the HTTP headers included with the request, and passes them
> >         on to the appropriate Host (virtual host). -->
> >
> >    <!-- You should set jvmRoute to support load-balancing via AJP ie :
> >    <Engine name="Standalone" defaultHost="localhost" jvmRoute="jvm1">
> >    -->
> >
> >    <!-- Define the top level container in our container hierarchy -->
> >    <Engine name="Catalina" defaultHost="localhost">
> >
> >      <!-- The request dumper valve dumps useful debugging information about
> >           the request headers and cookies that were received, and the response
> >           headers and cookies that were sent, for all requests received by
> >           this instance of Tomcat.  If you care only about requests to a
> >           particular virtual host, or a particular application, nest this
> >           element inside the corresponding <Host> or <Context> entry instead.
> >
> >           For a similar mechanism that is portable to all Servlet 2.4
> >           containers, check out the "RequestDumperFilter" Filter in the
> >           example application (the source for this filter may be found in
> >           "$CATALINA_HOME/webapps/examples/WEB-INF/classes/filters").
> >
> >           Request dumping is disabled by default.  Uncomment the following
> >           element to enable it. -->
> >      <!--
> >      <Valve className="org.apache.catalina.valves.RequestDumperValve"/>
> >      -->
> >
> >      <!-- Because this Realm is here, an instance will be shared globally -->
> >
> >      <!-- This Realm uses the UserDatabase configured in the global JNDI
> >           resources under the key "UserDatabase".  Any edits
> >           that are performed against this UserDatabase are immediately
> >           available for use by the Realm.  -->
> >      <Realm className="org.apache.catalina.realm.UserDatabaseRealm"
> >             resourceName="UserDatabase"/>
> >
> >      <!-- Comment out the old realm but leave here for now in case we
> >           need to go back quickly -->
> >      <!--
> >      <Realm className="org.apache.catalina.realm.MemoryRealm" />
> >      -->
> >
> >      <!-- Replace the above Realm with one of the following to get a Realm
> >           stored in a database and accessed via JDBC -->
> >
> >      <!--
> >      <Realm  className="org.apache.catalina.realm.JDBCRealm"
> >             driverName="org.gjt.mm.mysql.Driver"
> >          connectionURL="jdbc:mysql://localhost/authority"
> >         connectionName="test" connectionPassword="test"
> >              userTable="users" userNameCol="user_name" userCredCol="user_pass"
> >          userRoleTable="user_roles" roleNameCol="role_name" />
> >      -->
> >
> >      <!--
> >      <Realm  className="org.apache.catalina.realm.JDBCRealm"
> >             driverName="oracle.jdbc.driver.OracleDriver"
> >          connectionURL="jdbc:oracle:thin:@ntserver:1521:ORCL"
> >         connectionName="scott" connectionPassword="tiger"
> >              userTable="users" userNameCol="user_name" userCredCol="user_pass"
> >          userRoleTable="user_roles" roleNameCol="role_name" />
> >      -->
> >
> >      <!--
> >      <Realm  className="org.apache.catalina.realm.JDBCRealm"
> >             driverName="sun.jdbc.odbc.JdbcOdbcDriver"
> >          connectionURL="jdbc:odbc:CATALINA"
> >              userTable="users" userNameCol="user_name" userCredCol="user_pass"
> >          userRoleTable="user_roles" roleNameCol="role_name" />
> >      -->
> >
> >      <!-- Define the default virtual host
> >           Note: XML Schema validation will not work with Xerces 2.2.
> >       -->
> >      <Host name="localhost" appBase="webapps"
> >       unpackWARs="true" autoDeploy="true"
> >       xmlValidation="false" xmlNamespaceAware="false">
> >
> >        <!-- Defines a cluster for this node,
> >             By defining this element, means that every manager will be changed.
> >             So when running a cluster, only make sure that you have webapps in there
> >             that need to be clustered and remove the other ones.
> >             A cluster has the following parameters:
> >
> >             className = the fully qualified name of the cluster class
> >
> >             name = a descriptive name for your cluster, can be anything
> >
> >             mcastAddr = the multicast address, has to be the same for all the nodes
> >
> >             mcastPort = the multicast port, has to be the same for all the nodes
> >
> >             mcastBindAddr = bind the multicast socket to a specific address
> >
> >             mcastTTL = the multicast TTL if you want to limit your broadcast
> >
> >             mcastSoTimeout = the multicast readtimeout
> >
> >             mcastFrequency = the number of milliseconds in between sending a "I'm alive" heartbeat
> >
> >             mcastDropTime = the number a milliseconds before a node is considered "dead" if no heartbeat is received
> >
> >             tcpThreadCount = the number of threads to handle incoming replication requests, optimal would be the same amount of threads as nodes
> >
> >             tcpListenAddress = the listen address (bind address) for TCP cluster request on this host,
> >                                in case of multiple ethernet cards.
> >                                auto means that address becomes
> >                                InetAddress.getLocalHost().getHostAddress()
> >
> >             tcpListenPort = the tcp listen port
> >
> >             tcpSelectorTimeout = the timeout (ms) for the Selector.select() method in case the OS
> >                                  has a wakup bug in java.nio. Set to 0 for no timeout
> >
> >             printToScreen = true means that managers will also print to std.out
> >
> >             expireSessionsOnShutdown = true means that
> >
> >             useDirtyFlag = true means that we only replicate a session after setAttribute,removeAttribute has been called.
> >                            false means to replicate the session after each request.
> >                            false means that replication would work for the following piece of code: (only for SimpleTcpReplicationManager)
> >                            <%
> >                            HashMap map = (HashMap)session.getAttribute("map");
> >                            map.put("key","value");
> >                            %>
> >             replicationMode = can be either 'pooled', 'synchronous' or 'asynchronous'.
> >                               * Pooled means that the replication happens using several sockets in a synchronous way. Ie, the data gets replicated, then the request return. This is the same as the 'synchronous' setting except it uses a pool of sockets, hence it is multithreaded. This is the fastest and safest configuration. To use this, also increase the nr of tcp threads that you have dealing with replication.
> >                               * Synchronous means that the thread that executes the request, is also the
> >                               thread the replicates the data to the other nodes, and will not return until all
> >                               nodes have received the information.
> >                               * Asynchronous means that there is a specific 'sender' thread for each cluster node,
> >                               so the request thread will queue the replication request into a "smart" queue,
> >                               and then return to the client.
> >                               The "smart" queue is a queue where when a session is added to the queue, and the same session
> >                               already exists in the queue from a previous request, that session will be replaced
> >                               in the queue instead of replicating two requests. This almost never happens, unless there is a
> >                               large network delay.
> >        -->
> >        <!--
> >            When configuring for clustering, you also add in a valve to catch all the requests
> >            coming in, at the end of the request, the session may or may not be replicated.
> >            A session is replicated if and only if all the conditions are met:
> >            1. useDirtyFlag is true or setAttribute or removeAttribute has been called AND
> >            2. a session exists (has been created)
> >            3. the request is not trapped by the "filter" attribute
> >
> >            The filter attribute is to filter out requests that could not modify the session,
> >            hence we don't replicate the session after the end of this request.
> >            The filter is negative, ie, anything you put in the filter, you mean to filter out,
> >            ie, no replication will be done on requests that match one of the filters.
> >            The filter attribute is delimited by ;, so you can't escape out ; even if you wanted to.
> >
> >            filter=".*\.gif;.*\.js;" means that we will not replicate the session after requests with the URI
> >            ending with .gif and .js are intercepted.
> >
> >            The deployer element can be used to deploy apps cluster wide.
> >            Currently the deployment only deploys/undeploys to working members in the cluster
> >            so no WARs are copied upons startup of a broken node.
> >            The deployer watches a directory (watchDir) for WAR files when watchEnabled="true"
> >            When a new war file is added the war gets deployed to the local instance,
> >            and then deployed to the other instances in the cluster.
> >            When a war file is deleted from the watchDir the war is undeployed locally
> >            and cluster wide
> >        -->
> >
> >        <!--
> >        <Cluster className="org.apache.catalina.cluster.tcp.SimpleTcpCluster"
> >                 managerClassName="org.apache.catalina.cluster.session.DeltaManager"
> >                 expireSessionsOnShutdown="false"
> >                 useDirtyFlag="true"
> >                 notifyListenersOnReplication="true">
> >
> >            <Membership
> >                className="org.apache.catalina.cluster.mcast.McastService"
> >                mcastAddr="228.0.0.4"
> >                mcastPort="45564"
> >                mcastFrequency="500"
> >                mcastDropTime="3000"/>
> >
> >            <Receiver
> >                className="org.apache.catalina.cluster.tcp.ReplicationListener"
> >                tcpListenAddress="auto"
> >                tcpListenPort="4001"
> >                tcpSelectorTimeout="100"
> >                tcpThreadCount="6"/>
> >
> >            <Sender
> >                className="org.apache.catalina.cluster.tcp.ReplicationTransmitter"
> >                replicationMode="pooled"
> >                ackTimeout="15000"/>
> >
> >            <Valve className="org.apache.catalina.cluster.tcp.ReplicationValve"
> >                   filter=".*\.gif;.*\.js;.*\.jpg;.*\.htm;.*\.html;.*\.txt;"/>
> >
> >            <Deployer className="org.apache.catalina.cluster.deploy.FarmWarDeployer"
> >                      tempDir="/tmp/war-temp/"
> >                      deployDir="/tmp/war-deploy/"
> >                      watchDir="/tmp/war-listen/"
> >                      watchEnabled="false"/>
> >        </Cluster>
> >        -->
> >
> >
> >
> >        <!-- Normally, users must authenticate themselves to each web app
> >             individually.  Uncomment the following entry if you would like
> >             a user to be authenticated the first time they encounter a
> >             resource protected by a security constraint, and then have that
> >             user identity maintained across *all* web applications contained
> >             in this virtual host. -->
> >        <!--
> >        <Valve className="org.apache.catalina.authenticator.SingleSignOn" />
> >        -->
> >
> >        <!-- Access log processes all requests for this virtual host.  By
> >             default, log files are created in the "logs" directory relative to
> >             $CATALINA_HOME.  If you wish, you can specify a different
> >             directory with the "directory" attribute.  Specify either a relative
> >             (to $CATALINA_HOME) or absolute path to the desired directory.
> >        -->
> >        <!--
> >        <Valve className="org.apache.catalina.valves.AccessLogValve"
> >                 directory="logs"  prefix="localhost_access_log." suffix=".txt"
> >                 pattern="common" resolveHosts="false"/>
> >        -->
> >
> >        <!-- Access log processes all requests for this virtual host.  By
> >             default, log files are created in the "logs" directory relative to
> >             $CATALINA_HOME.  If you wish, you can specify a different
> >             directory with the "directory" attribute.  Specify either a relative
> >             (to $CATALINA_HOME) or absolute path to the desired directory.
> >             This access log implementation is optimized for maximum performance,
> >             but is hardcoded to support only the "common" and "combined" patterns.
> >        -->
> >        <!--
> >        <Valve className="org.apache.catalina.valves.FastCommonAccessLogValve"
> >                 directory="logs"  prefix="localhost_access_log." suffix=".txt"
> >                 pattern="common" resolveHosts="false"/>
> >        -->
> >
> >      </Host>
> >
> >    </Engine>
> >
> >  </Service>
> >
> ></Server>
> >
> >
> >
> >
> >
> >
> >Scott K Purcell | Developer | VERTIS |
> >555 Washington Ave. 4th Floor | St. Louis, MO 63101 |
> >314.588.0720 Ext:1320 | spurcell@vertisinc.com | http://www.vertisinc.com <http://www.vertisinc.com/>
> >
> >Vertis is the premier provider of targeted advertising, media, and
> >marketing services that drive consumers to marketers more effectively.
> >
> >
> >
> >
> >
> >
> 
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: tomcat-user-unsubscribe@jakarta.apache.org
> For additional commands, e-mail: tomcat-user-help@jakarta.apache.org
> 
>

---------------------------------------------------------------------
To unsubscribe, e-mail: tomcat-user-unsubscribe@jakarta.apache.org
For additional commands, e-mail: tomcat-user-help@jakarta.apache.org


Re: Add Context Path, Tomcat 5.5.7

Posted by David Smith <dn...@cornell.edu>.
Hi.

Take a look at this for where to put <Context> elements:
http://jakarta.apache.org/tomcat/tomcat-5.5-doc/config/context.html

This is new with Tomcat 5.0 and is continued in Tomcat 5.5

--David

Scott Purcell wrote:

>Hello,
> 
>I am following the information here to add DBCP to my application.
>http://jakarta.apache.org/tomcat/tomcat-5.5-doc/jndi-datasource-examples-howto.html
> 
>I am reading to add the <Context path="/DBTest ... from the above docs." The instructions say to ".
> 
>Configure the JNDI DataSource in Tomcat by adding a declaration for your resource to $CATALINA_HOME/conf/server.xml.
>
>Add this in between the </Context> tag of the examples context and the </Host> tag closing the localhost definition.
>
> 
>
>So cool, I opened up the server.xml, but do not see any existing context or host tags in it. Here is my server.xml file. Does anyone know where I put the Context for the DBCP stuff? Thanks,
>
>'<!-- Example Server Configuration File -->
><!-- Note that component elements are nested corresponding to their
>     parent-child relationships with each other -->
> 
><!-- A "Server" is a singleton element that represents the entire JVM,
>     which may contain one or more "Service" instances.  The Server
>     listens for a shutdown command on the indicated port.
> 
>     Note:  A "Server" is not itself a "Container", so you may not
>     define subcomponents such as "Valves" or "Loggers" at this level.
> -->
> 
><Server port="8005" shutdown="SHUTDOWN">
> 
>  <!-- Comment these entries out to disable JMX MBeans support used for the 
>       administration web application -->
>  <Listener className="org.apache.catalina.mbeans.ServerLifecycleListener" />
>  <Listener className="org.apache.catalina.mbeans.GlobalResourcesLifecycleListener" />
>  <Listener className="org.apache.catalina.storeconfig.StoreConfigLifecycleListener"/>
> 
>  <!-- Global JNDI resources -->
>  <GlobalNamingResources>
> 
>    <!-- Test entry for demonstration purposes -->
>    <Environment name="simpleValue" type="java.lang.Integer" value="30"/>
> 
>    <!-- Editable user database that can also be used by
>         UserDatabaseRealm to authenticate users -->
>    <Resource name="UserDatabase" auth="Container"
>              type="org.apache.catalina.UserDatabase"
>       description="User database that can be updated and saved"
>           factory="org.apache.catalina.users.MemoryUserDatabaseFactory"
>          pathname="conf/tomcat-users.xml" />
> 
>  </GlobalNamingResources>
> 
>  <!-- A "Service" is a collection of one or more "Connectors" that share
>       a single "Container" (and therefore the web applications visible
>       within that Container).  Normally, that Container is an "Engine",
>       but this is not required.
> 
>       Note:  A "Service" is not itself a "Container", so you may not
>       define subcomponents such as "Valves" or "Loggers" at this level.
>   -->
> 
>  <!-- Define the Tomcat Stand-Alone Service -->
>  <Service name="Catalina">
> 
>    <!-- A "Connector" represents an endpoint by which requests are received
>         and responses are returned.  Each Connector passes requests on to the
>         associated "Container" (normally an Engine) for processing.
> 
>         By default, a non-SSL HTTP/1.1 Connector is established on port 8080.
>         You can also enable an SSL HTTP/1.1 Connector on port 8443 by
>         following the instructions below and uncommenting the second Connector
>         entry.  SSL support requires the following steps (see the SSL Config
>         HOWTO in the Tomcat 5 documentation bundle for more detailed
>         instructions):
>         * If your JDK version 1.3 or prior, download and install JSSE 1.0.2 or
>           later, and put the JAR files into "$JAVA_HOME/jre/lib/ext".
>         * Execute:
>             %JAVA_HOME%\bin\keytool -genkey -alias tomcat -keyalg RSA (Windows)
>             $JAVA_HOME/bin/keytool -genkey -alias tomcat -keyalg RSA  (Unix)
>           with a password value of "changeit" for both the certificate and
>           the keystore itself.
> 
>         By default, DNS lookups are enabled when a web application calls
>         request.getRemoteHost().  This can have an adverse impact on
>         performance, so you can disable it by setting the
>         "enableLookups" attribute to "false".  When DNS lookups are disabled,
>         request.getRemoteHost() will return the String version of the
>         IP address of the remote client.
>    -->
> 
>    <!-- Define a non-SSL HTTP/1.1 Connector on port 8080 -->
>    <Connector
>port="80"               maxThreads="150" minSpareThreads="25" maxSpareThreads="75"
>               enableLookups="false" redirectPort="8443" acceptCount="100"
>               connectionTimeout="20000" disableUploadTimeout="true" />
>    <!-- Note : To disable connection timeouts, set connectionTimeout value
>     to 0 -->
> 
> <!-- Note : To use gzip compression you could set the following properties :
> 
>      compression="on" 
>      compressionMinSize="2048" 
>      noCompressionUserAgents="gozilla, traviata" 
>      compressableMimeType="text/html,text/xml"
> -->
> 
>    <!-- Define a SSL HTTP/1.1 Connector on port 8443 -->
>    <!--
>    <Connector port="8443" 
>               maxThreads="150" minSpareThreads="25" maxSpareThreads="75"
>               enableLookups="false" disableUploadTimeout="true"
>               acceptCount="100" scheme="https" secure="true"
>               clientAuth="false" sslProtocol="TLS" />
>    -->
> 
>    <!-- Define an AJP 1.3 Connector on port 8009 -->
>    <Connector port="8009" 
>               enableLookups="false" redirectPort="8443" protocol="AJP/1.3" />
> 
>    <!-- Define a Proxied HTTP/1.1 Connector on port 8082 -->
>    <!-- See proxy documentation for more information about using this. -->
>    <!--
>    <Connector port="8082" 
>               maxThreads="150" minSpareThreads="25" maxSpareThreads="75"
>               enableLookups="false" acceptCount="100" connectionTimeout="20000"
>               proxyPort="80" disableUploadTimeout="true" />
>    -->
> 
>    <!-- An Engine represents the entry point (within Catalina) that processes
>         every request.  The Engine implementation for Tomcat stand alone
>         analyzes the HTTP headers included with the request, and passes them
>         on to the appropriate Host (virtual host). -->
> 
>    <!-- You should set jvmRoute to support load-balancing via AJP ie :
>    <Engine name="Standalone" defaultHost="localhost" jvmRoute="jvm1">         
>    --> 
>         
>    <!-- Define the top level container in our container hierarchy -->
>    <Engine name="Catalina" defaultHost="localhost">
> 
>      <!-- The request dumper valve dumps useful debugging information about
>           the request headers and cookies that were received, and the response
>           headers and cookies that were sent, for all requests received by
>           this instance of Tomcat.  If you care only about requests to a
>           particular virtual host, or a particular application, nest this
>           element inside the corresponding <Host> or <Context> entry instead.
> 
>           For a similar mechanism that is portable to all Servlet 2.4
>           containers, check out the "RequestDumperFilter" Filter in the
>           example application (the source for this filter may be found in
>           "$CATALINA_HOME/webapps/examples/WEB-INF/classes/filters").
> 
>           Request dumping is disabled by default.  Uncomment the following
>           element to enable it. -->
>      <!--
>      <Valve className="org.apache.catalina.valves.RequestDumperValve"/>
>      -->
> 
>      <!-- Because this Realm is here, an instance will be shared globally -->
> 
>      <!-- This Realm uses the UserDatabase configured in the global JNDI
>           resources under the key "UserDatabase".  Any edits
>           that are performed against this UserDatabase are immediately
>           available for use by the Realm.  -->
>      <Realm className="org.apache.catalina.realm.UserDatabaseRealm"
>             resourceName="UserDatabase"/>
> 
>      <!-- Comment out the old realm but leave here for now in case we
>           need to go back quickly -->
>      <!--
>      <Realm className="org.apache.catalina.realm.MemoryRealm" />
>      -->
> 
>      <!-- Replace the above Realm with one of the following to get a Realm
>           stored in a database and accessed via JDBC -->
> 
>      <!--
>      <Realm  className="org.apache.catalina.realm.JDBCRealm"
>             driverName="org.gjt.mm.mysql.Driver"
>          connectionURL="jdbc:mysql://localhost/authority"
>         connectionName="test" connectionPassword="test"
>              userTable="users" userNameCol="user_name" userCredCol="user_pass"
>          userRoleTable="user_roles" roleNameCol="role_name" />
>      -->
> 
>      <!--
>      <Realm  className="org.apache.catalina.realm.JDBCRealm"
>             driverName="oracle.jdbc.driver.OracleDriver"
>          connectionURL="jdbc:oracle:thin:@ntserver:1521:ORCL"
>         connectionName="scott" connectionPassword="tiger"
>              userTable="users" userNameCol="user_name" userCredCol="user_pass"
>          userRoleTable="user_roles" roleNameCol="role_name" />
>      -->
> 
>      <!--
>      <Realm  className="org.apache.catalina.realm.JDBCRealm"
>             driverName="sun.jdbc.odbc.JdbcOdbcDriver"
>          connectionURL="jdbc:odbc:CATALINA"
>              userTable="users" userNameCol="user_name" userCredCol="user_pass"
>          userRoleTable="user_roles" roleNameCol="role_name" />
>      -->
> 
>      <!-- Define the default virtual host
>           Note: XML Schema validation will not work with Xerces 2.2.
>       -->
>      <Host name="localhost" appBase="webapps"
>       unpackWARs="true" autoDeploy="true"
>       xmlValidation="false" xmlNamespaceAware="false">
> 
>        <!-- Defines a cluster for this node,
>             By defining this element, means that every manager will be changed.
>             So when running a cluster, only make sure that you have webapps in there
>             that need to be clustered and remove the other ones.
>             A cluster has the following parameters:
> 
>             className = the fully qualified name of the cluster class
> 
>             name = a descriptive name for your cluster, can be anything
> 
>             mcastAddr = the multicast address, has to be the same for all the nodes
> 
>             mcastPort = the multicast port, has to be the same for all the nodes
>             
>             mcastBindAddr = bind the multicast socket to a specific address
>             
>             mcastTTL = the multicast TTL if you want to limit your broadcast
>             
>             mcastSoTimeout = the multicast readtimeout 
> 
>             mcastFrequency = the number of milliseconds in between sending a "I'm alive" heartbeat
> 
>             mcastDropTime = the number a milliseconds before a node is considered "dead" if no heartbeat is received
> 
>             tcpThreadCount = the number of threads to handle incoming replication requests, optimal would be the same amount of threads as nodes 
> 
>             tcpListenAddress = the listen address (bind address) for TCP cluster request on this host, 
>                                in case of multiple ethernet cards.
>                                auto means that address becomes
>                                InetAddress.getLocalHost().getHostAddress()
> 
>             tcpListenPort = the tcp listen port
> 
>             tcpSelectorTimeout = the timeout (ms) for the Selector.select() method in case the OS
>                                  has a wakup bug in java.nio. Set to 0 for no timeout
> 
>             printToScreen = true means that managers will also print to std.out
> 
>             expireSessionsOnShutdown = true means that 
> 
>             useDirtyFlag = true means that we only replicate a session after setAttribute,removeAttribute has been called.
>                            false means to replicate the session after each request.
>                            false means that replication would work for the following piece of code: (only for SimpleTcpReplicationManager)
>                            <%
>                            HashMap map = (HashMap)session.getAttribute("map");
>                            map.put("key","value");
>                            %>
>             replicationMode = can be either 'pooled', 'synchronous' or 'asynchronous'.
>                               * Pooled means that the replication happens using several sockets in a synchronous way. Ie, the data gets replicated, then the request return. This is the same as the 'synchronous' setting except it uses a pool of sockets, hence it is multithreaded. This is the fastest and safest configuration. To use this, also increase the nr of tcp threads that you have dealing with replication.
>                               * Synchronous means that the thread that executes the request, is also the
>                               thread the replicates the data to the other nodes, and will not return until all
>                               nodes have received the information.
>                               * Asynchronous means that there is a specific 'sender' thread for each cluster node,
>                               so the request thread will queue the replication request into a "smart" queue,
>                               and then return to the client.
>                               The "smart" queue is a queue where when a session is added to the queue, and the same session
>                               already exists in the queue from a previous request, that session will be replaced
>                               in the queue instead of replicating two requests. This almost never happens, unless there is a 
>                               large network delay.
>        -->             
>        <!--
>            When configuring for clustering, you also add in a valve to catch all the requests
>            coming in, at the end of the request, the session may or may not be replicated.
>            A session is replicated if and only if all the conditions are met:
>            1. useDirtyFlag is true or setAttribute or removeAttribute has been called AND
>            2. a session exists (has been created)
>            3. the request is not trapped by the "filter" attribute
> 
>            The filter attribute is to filter out requests that could not modify the session,
>            hence we don't replicate the session after the end of this request.
>            The filter is negative, ie, anything you put in the filter, you mean to filter out,
>            ie, no replication will be done on requests that match one of the filters.
>            The filter attribute is delimited by ;, so you can't escape out ; even if you wanted to.
> 
>            filter=".*\.gif;.*\.js;" means that we will not replicate the session after requests with the URI
>            ending with .gif and .js are intercepted.
>            
>            The deployer element can be used to deploy apps cluster wide.
>            Currently the deployment only deploys/undeploys to working members in the cluster
>            so no WARs are copied upons startup of a broken node.
>            The deployer watches a directory (watchDir) for WAR files when watchEnabled="true"
>            When a new war file is added the war gets deployed to the local instance,
>            and then deployed to the other instances in the cluster.
>            When a war file is deleted from the watchDir the war is undeployed locally 
>            and cluster wide
>        -->
>        
>        <!--
>        <Cluster className="org.apache.catalina.cluster.tcp.SimpleTcpCluster"
>                 managerClassName="org.apache.catalina.cluster.session.DeltaManager"
>                 expireSessionsOnShutdown="false"
>                 useDirtyFlag="true"
>                 notifyListenersOnReplication="true">
> 
>            <Membership 
>                className="org.apache.catalina.cluster.mcast.McastService"
>                mcastAddr="228.0.0.4"
>                mcastPort="45564"
>                mcastFrequency="500"
>                mcastDropTime="3000"/>
> 
>            <Receiver 
>                className="org.apache.catalina.cluster.tcp.ReplicationListener"
>                tcpListenAddress="auto"
>                tcpListenPort="4001"
>                tcpSelectorTimeout="100"
>                tcpThreadCount="6"/>
> 
>            <Sender
>                className="org.apache.catalina.cluster.tcp.ReplicationTransmitter"
>                replicationMode="pooled"
>                ackTimeout="15000"/>
> 
>            <Valve className="org.apache.catalina.cluster.tcp.ReplicationValve"
>                   filter=".*\.gif;.*\.js;.*\.jpg;.*\.htm;.*\.html;.*\.txt;"/>
>                   
>            <Deployer className="org.apache.catalina.cluster.deploy.FarmWarDeployer"
>                      tempDir="/tmp/war-temp/"
>                      deployDir="/tmp/war-deploy/"
>                      watchDir="/tmp/war-listen/"
>                      watchEnabled="false"/>
>        </Cluster>
>        -->        
> 
> 
> 
>        <!-- Normally, users must authenticate themselves to each web app
>             individually.  Uncomment the following entry if you would like
>             a user to be authenticated the first time they encounter a
>             resource protected by a security constraint, and then have that
>             user identity maintained across *all* web applications contained
>             in this virtual host. -->
>        <!--
>        <Valve className="org.apache.catalina.authenticator.SingleSignOn" />
>        -->
> 
>        <!-- Access log processes all requests for this virtual host.  By
>             default, log files are created in the "logs" directory relative to
>             $CATALINA_HOME.  If you wish, you can specify a different
>             directory with the "directory" attribute.  Specify either a relative
>             (to $CATALINA_HOME) or absolute path to the desired directory.
>        -->
>        <!--
>        <Valve className="org.apache.catalina.valves.AccessLogValve"
>                 directory="logs"  prefix="localhost_access_log." suffix=".txt"
>                 pattern="common" resolveHosts="false"/>
>        -->
> 
>        <!-- Access log processes all requests for this virtual host.  By
>             default, log files are created in the "logs" directory relative to
>             $CATALINA_HOME.  If you wish, you can specify a different
>             directory with the "directory" attribute.  Specify either a relative
>             (to $CATALINA_HOME) or absolute path to the desired directory.
>             This access log implementation is optimized for maximum performance,
>             but is hardcoded to support only the "common" and "combined" patterns.
>        -->
>        <!--
>        <Valve className="org.apache.catalina.valves.FastCommonAccessLogValve"
>                 directory="logs"  prefix="localhost_access_log." suffix=".txt"
>                 pattern="common" resolveHosts="false"/>
>        -->
> 
>      </Host>
> 
>    </Engine>
> 
>  </Service>
> 
></Server>
>
>
> 
>
> 
>
>Scott K Purcell | Developer | VERTIS | 
>555 Washington Ave. 4th Floor | St. Louis, MO 63101 | 
>314.588.0720 Ext:1320 | spurcell@vertisinc.com | http://www.vertisinc.com <http://www.vertisinc.com/>  
>
>Vertis is the premier provider of targeted advertising, media, and 
>marketing services that drive consumers to marketers more effectively. 
>                                                 
>
> 
>
>  
>



---------------------------------------------------------------------
To unsubscribe, e-mail: tomcat-user-unsubscribe@jakarta.apache.org
For additional commands, e-mail: tomcat-user-help@jakarta.apache.org