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  1. <!-- Example Server Configuration File -->
  2. <!-- Note that component elements are nested corresponding to their
  3.     parent-child relationships with each other -->
  4.  
  5. <!-- A "Server" is a singleton element that represents the entire JVM,
  6.     which may contain one or more "Service" instances.  The Server
  7.     listens for a shutdown command on the indicated port.
  8.  
  9.     Note:  A "Server" is not itself a "Container", so you may not
  10.     define subcomponents such as "Valves" or "Loggers" at this level.
  11. -->
  12.  
  13. <Server port="8005" shutdown="SHUTDOWN">
  14.  
  15.   <!-- Comment these entries out to disable JMX MBeans support used for the
  16.       administration web application -->
  17.   <Listener className="org.apache.catalina.core.AprLifecycleListener" />
  18.   <Listener className="org.apache.catalina.mbeans.ServerLifecycleListener" />
  19.   <Listener className="org.apache.catalina.mbeans.GlobalResourcesLifecycleListener" />
  20.   <Listener className="org.apache.catalina.storeconfig.StoreConfigLifecycleListener"/>
  21.  
  22.   <!-- Global JNDI resources -->
  23.   <GlobalNamingResources>
  24.  
  25.     <!-- Test entry for demonstration purposes -->
  26.     <Environment name="simpleValue" type="java.lang.Integer" value="30"/>
  27.  
  28.     <!-- Editable user database that can also be used by
  29.         UserDatabaseRealm to authenticate users -->
  30.     <Resource name="UserDatabase" auth="Container"
  31.              type="org.apache.catalina.UserDatabase"
  32.       description="User database that can be updated and saved"
  33.           factory="org.apache.catalina.users.MemoryUserDatabaseFactory"
  34.          pathname="conf/tomcat-users.xml" />
  35.  
  36.   </GlobalNamingResources>
  37.  
  38.   <!-- A "Service" is a collection of one or more "Connectors" that share
  39.       a single "Container" (and therefore the web applications visible
  40.       within that Container).  Normally, that Container is an "Engine",
  41.       but this is not required.
  42.  
  43.       Note:  A "Service" is not itself a "Container", so you may not
  44.       define subcomponents such as "Valves" or "Loggers" at this level.
  45.   -->
  46.  
  47.   <!-- Define the Tomcat Stand-Alone Service -->
  48.   <Service name="Catalina">
  49.  
  50.     <!-- A "Connector" represents an endpoint by which requests are received
  51.         and responses are returned.  Each Connector passes requests on to the
  52.         associated "Container" (normally an Engine) for processing.
  53.  
  54.         By default, a non-SSL HTTP/1.1 Connector is established on port 8080.
  55.         You can also enable an SSL HTTP/1.1 Connector on port 8443 by
  56.         following the instructions below and uncommenting the second Connector
  57.         entry.  SSL support requires the following steps (see the SSL Config
  58.         HOWTO in the Tomcat 5 documentation bundle for more detailed
  59.         instructions):
  60.         * If your JDK version 1.3 or prior, download and install JSSE 1.0.2 or
  61.           later, and put the JAR files into "$JAVA_HOME/jre/lib/ext".
  62.         * Execute:
  63.             %JAVA_HOME%\bin\keytool -genkey -alias tomcat -keyalg RSA (Windows)
  64.             $JAVA_HOME/bin/keytool -genkey -alias tomcat -keyalg RSA  (Unix)
  65.           with a password value of "changeit" for both the certificate and
  66.           the keystore itself.
  67.  
  68.         By default, DNS lookups are enabled when a web application calls
  69.         request.getRemoteHost().  This can have an adverse impact on
  70.         performance, so you can disable it by setting the
  71.         "enableLookups" attribute to "false".  When DNS lookups are disabled,
  72.         request.getRemoteHost() will return the String version of the
  73.         IP address of the remote client.
  74.    -->
  75.  
  76.     <!-- Define a non-SSL HTTP/1.1 Connector on port 8080 -->
  77.     <Connector
  78. port="8080"               maxHttpHeaderSize="8192"
  79.               maxThreads="150" minSpareThreads="25" maxSpareThreads="75"
  80.               enableLookups="false" redirectPort="8443" acceptCount="100"
  81.               connectionTimeout="20000" disableUploadTimeout="true" />
  82.     <!-- Note : To disable connection timeouts, set connectionTimeout value
  83.     to 0 -->
  84.        
  85.         <!-- Note : To use gzip compression you could set the following properties :
  86.        
  87.                            compression="on"
  88.                            compressionMinSize="2048"
  89.                            noCompressionUserAgents="gozilla, traviata"
  90.                            compressableMimeType="text/html,text/xml"
  91.         -->
  92.  
  93.     <!-- Define a SSL HTTP/1.1 Connector on port 8443 -->
  94.     <!--
  95.    <Connector port="8443" maxHttpHeaderSize="8192"
  96.               maxThreads="150" minSpareThreads="25" maxSpareThreads="75"
  97.               enableLookups="false" disableUploadTimeout="true"
  98.               acceptCount="100" scheme="https" secure="true"
  99.               clientAuth="false" sslProtocol="TLS" />
  100.    -->
  101.  
  102.     <!-- Define an AJP 1.3 Connector on port 8009 -->
  103.     <Connector port="8009"
  104.               enableLookups="false" redirectPort="8443" protocol="AJP/1.3" />
  105.  
  106.     <!-- Define a Proxied HTTP/1.1 Connector on port 8082 -->
  107.     <!-- See proxy documentation for more information about using this. -->
  108.     <!--
  109.    <Connector port="8082"
  110.               maxThreads="150" minSpareThreads="25" maxSpareThreads="75"
  111.               enableLookups="false" acceptCount="100" connectionTimeout="20000"
  112.               proxyPort="80" disableUploadTimeout="true" />
  113.    -->
  114.  
  115.     <!-- An Engine represents the entry point (within Catalina) that processes
  116.         every request.  The Engine implementation for Tomcat stand alone
  117.         analyzes the HTTP headers included with the request, and passes them
  118.         on to the appropriate Host (virtual host). -->
  119.  
  120.     <!-- You should set jvmRoute to support load-balancing via AJP ie :
  121.    <Engine name="Standalone" defaultHost="localhost" jvmRoute="jvm1">        
  122.    -->
  123.          
  124.     <!-- Define the top level container in our container hierarchy -->
  125.     <!-- <Engine name="Catalina" defaultHost="localhost"> -->
  126.         <Engine name="Catalina" defaultHost="localhost" jvmRoute="worker1">
  127.  
  128.       <!-- The request dumper valve dumps useful debugging information about
  129.           the request headers and cookies that were received, and the response
  130.           headers and cookies that were sent, for all requests received by
  131.           this instance of Tomcat.  If you care only about requests to a
  132.           particular virtual host, or a particular application, nest this
  133.           element inside the corresponding <Host> or <Context> entry instead.
  134.  
  135.           For a similar mechanism that is portable to all Servlet 2.4
  136.           containers, check out the "RequestDumperFilter" Filter in the
  137.           example application (the source for this filter may be found in
  138.           "$CATALINA_HOME/webapps/examples/WEB-INF/classes/filters").
  139.  
  140.           Request dumping is disabled by default.  Uncomment the following
  141.           element to enable it. -->
  142.       <!--
  143.      <Valve className="org.apache.catalina.valves.RequestDumperValve"/>
  144.      -->
  145.  
  146.       <!-- Because this Realm is here, an instance will be shared globally -->
  147.  
  148.       <!-- This Realm uses the UserDatabase configured in the global JNDI
  149.           resources under the key "UserDatabase".  Any edits
  150.           that are performed against this UserDatabase are immediately
  151.           available for use by the Realm.  -->
  152.       <Realm className="org.apache.catalina.realm.UserDatabaseRealm"
  153.             resourceName="UserDatabase"/>
  154.  
  155.       <!-- Comment out the old realm but leave here for now in case we
  156.           need to go back quickly -->
  157.       <!--
  158.      <Realm className="org.apache.catalina.realm.MemoryRealm" />
  159.      -->
  160.  
  161.       <!-- Replace the above Realm with one of the following to get a Realm
  162.           stored in a database and accessed via JDBC -->
  163.  
  164.       <!--
  165.      <Realm  className="org.apache.catalina.realm.JDBCRealm"
  166.             driverName="org.gjt.mm.mysql.Driver"
  167.          connectionURL="jdbc:mysql://localhost/authority"
  168.         connectionName="test" connectionPassword="test"
  169.              userTable="users" userNameCol="user_name" userCredCol="user_pass"
  170.          userRoleTable="user_roles" roleNameCol="role_name" />
  171.      -->
  172.  
  173.       <!--
  174.      <Realm  className="org.apache.catalina.realm.JDBCRealm"
  175.             driverName="oracle.jdbc.driver.OracleDriver"
  176.          connectionURL="jdbc:oracle:thin:@ntserver:1521:ORCL"
  177.         connectionName="scott" connectionPassword="tiger"
  178.              userTable="users" userNameCol="user_name" userCredCol="user_pass"
  179.          userRoleTable="user_roles" roleNameCol="role_name" />
  180.      -->
  181.  
  182.       <!--
  183.      <Realm  className="org.apache.catalina.realm.JDBCRealm"
  184.             driverName="sun.jdbc.odbc.JdbcOdbcDriver"
  185.          connectionURL="jdbc:odbc:CATALINA"
  186.              userTable="users" userNameCol="user_name" userCredCol="user_pass"
  187.          userRoleTable="user_roles" roleNameCol="role_name" />
  188.      -->
  189.  
  190.       <!-- Define the default virtual host
  191.           Note: XML Schema validation will not work with Xerces 2.2.
  192.       -->
  193.       <Host name="localhost" appBase="webapps"
  194.       unpackWARs="true" autoDeploy="true"
  195.       xmlValidation="false" xmlNamespaceAware="false">
  196.  
  197.         <!-- Defines a cluster for this node,
  198.             By defining this element, means that every manager will be changed.
  199.             So when running a cluster, only make sure that you have webapps in there
  200.             that need to be clustered and remove the other ones.
  201.             A cluster has the following parameters:
  202.  
  203.             className = the fully qualified name of the cluster class
  204.  
  205.             name = a descriptive name for your cluster, can be anything
  206.  
  207.             mcastAddr = the multicast address, has to be the same for all the nodes
  208.  
  209.             mcastPort = the multicast port, has to be the same for all the nodes
  210.            
  211.             mcastBindAddr = bind the multicast socket to a specific address
  212.            
  213.             mcastTTL = the multicast TTL if you want to limit your broadcast
  214.            
  215.             mcastSoTimeout = the multicast readtimeout
  216.  
  217.             mcastFrequency = the number of milliseconds in between sending a "I'm alive" heartbeat
  218.  
  219.             mcastDropTime = the number a milliseconds before a node is considered "dead" if no heartbeat is received
  220.  
  221.             tcpThreadCount = the number of threads to handle incoming replication requests, optimal would be the same amount of threads as nodes
  222.  
  223.             tcpListenAddress = the listen address (bind address) for TCP cluster request on this host,
  224.                                in case of multiple ethernet cards.
  225.                                auto means that address becomes
  226.                                InetAddress.getLocalHost().getHostAddress()
  227.  
  228.             tcpListenPort = the tcp listen port
  229.  
  230.             tcpSelectorTimeout = the timeout (ms) for the Selector.select() method in case the OS
  231.                                  has a wakup bug in java.nio. Set to 0 for no timeout
  232.  
  233.             printToScreen = true means that managers will also print to std.out
  234.  
  235.             expireSessionsOnShutdown = true means that
  236.  
  237.             useDirtyFlag = true means that we only replicate a session after setAttribute,removeAttribute has been called.
  238.                            false means to replicate the session after each request.
  239.                            false means that replication would work for the following piece of code: (only for SimpleTcpReplicationManager)
  240.                            <%
  241.                            HashMap map = (HashMap)session.getAttribute("map");
  242.                            map.put("key","value");
  243.                            %>
  244.             replicationMode = can be either 'pooled', 'synchronous' or 'asynchronous'.
  245.                               * 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.
  246.                               * Synchronous means that the thread that executes the request, is also the
  247.                               thread the replicates the data to the other nodes, and will not return until all
  248.                               nodes have received the information.
  249.                               * Asynchronous means that there is a specific 'sender' thread for each cluster node,
  250.                               so the request thread will queue the replication request into a "smart" queue,
  251.                               and then return to the client.
  252.                               The "smart" queue is a queue where when a session is added to the queue, and the same session
  253.                               already exists in the queue from a previous request, that session will be replaced
  254.                               in the queue instead of replicating two requests. This almost never happens, unless there is a
  255.                               large network delay.
  256.        -->            
  257.         <!--
  258.            When configuring for clustering, you also add in a valve to catch all the requests
  259.            coming in, at the end of the request, the session may or may not be replicated.
  260.            A session is replicated if and only if all the conditions are met:
  261.            1. useDirtyFlag is true or setAttribute or removeAttribute has been called AND
  262.            2. a session exists (has been created)
  263.            3. the request is not trapped by the "filter" attribute
  264.  
  265.            The filter attribute is to filter out requests that could not modify the session,
  266.            hence we don't replicate the session after the end of this request.
  267.            The filter is negative, ie, anything you put in the filter, you mean to filter out,
  268.            ie, no replication will be done on requests that match one of the filters.
  269.            The filter attribute is delimited by ;, so you can't escape out ; even if you wanted to.
  270.  
  271.            filter=".*\.gif;.*\.js;" means that we will not replicate the session after requests with the URI
  272.            ending with .gif and .js are intercepted.
  273.            
  274.            The deployer element can be used to deploy apps cluster wide.
  275.            Currently the deployment only deploys/undeploys to working members in the cluster
  276.            so no WARs are copied upons startup of a broken node.
  277.            The deployer watches a directory (watchDir) for WAR files when watchEnabled="true"
  278.            When a new war file is added the war gets deployed to the local instance,
  279.            and then deployed to the other instances in the cluster.
  280.            When a war file is deleted from the watchDir the war is undeployed locally
  281.            and cluster wide
  282.        -->
  283.        
  284.        
  285.         <Cluster className="org.apache.catalina.cluster.tcp.SimpleTcpCluster"
  286.                 managerClassName="org.apache.catalina.cluster.session.DeltaManager"
  287.                 expireSessionsOnShutdown="false"
  288.                 useDirtyFlag="true"
  289.                 notifyListenersOnReplication="true">
  290.  
  291.             <Membership
  292.                className="org.apache.catalina.cluster.mcast.McastService"
  293.                mcastAddr="228.0.0.4"
  294.                mcastPort="45564"
  295.                mcastFrequency="500"
  296.                mcastDropTime="3000"/>
  297.  
  298.             <Receiver
  299.                className="org.apache.catalina.cluster.tcp.ReplicationListener"
  300.                tcpListenAddress="auto"
  301.                tcpListenPort="4001"
  302.                tcpSelectorTimeout="100"
  303.                tcpThreadCount="6"/>
  304.  
  305.             <Sender
  306.                className="org.apache.catalina.cluster.tcp.ReplicationTransmitter"
  307.                replicationMode="pooled"
  308.                ackTimeout="15000"/>
  309.  
  310.             <Valve className="org.apache.catalina.cluster.tcp.ReplicationValve"
  311.                   filter=".*\.gif;.*\.js;.*\.jpg;.*\.htm;.*\.html;.*\.txt;"/>
  312.                    
  313.             <Deployer className="org.apache.catalina.cluster.deploy.FarmWarDeployer"
  314.                      tempDir="/tmp/war-temp/"
  315.                      deployDir="/tmp/war-deploy/"
  316.                      watchDir="/tmp/war-listen/"
  317.                      watchEnabled="false"/>
  318.         </Cluster>
  319.                
  320.  
  321.  
  322.  
  323.         <!-- Normally, users must authenticate themselves to each web app
  324.             individually.  Uncomment the following entry if you would like
  325.             a user to be authenticated the first time they encounter a
  326.             resource protected by a security constraint, and then have that
  327.             user identity maintained across *all* web applications contained
  328.             in this virtual host. -->
  329.         <!--
  330.        <Valve className="org.apache.catalina.authenticator.SingleSignOn" />
  331.        -->
  332.  
  333.         <!-- Access log processes all requests for this virtual host.  By
  334.             default, log files are created in the "logs" directory relative to
  335.             $CATALINA_HOME.  If you wish, you can specify a different
  336.             directory with the "directory" attribute.  Specify either a relative
  337.             (to $CATALINA_HOME) or absolute path to the desired directory.
  338.        -->
  339.         <!--
  340.        <Valve className="org.apache.catalina.valves.AccessLogValve"
  341.                 directory="logs"  prefix="localhost_access_log." suffix=".txt"
  342.                 pattern="common" resolveHosts="false"/>
  343.        -->
  344.  
  345.         <!-- Access log processes all requests for this virtual host.  By
  346.             default, log files are created in the "logs" directory relative to
  347.             $CATALINA_HOME.  If you wish, you can specify a different
  348.             directory with the "directory" attribute.  Specify either a relative
  349.             (to $CATALINA_HOME) or absolute path to the desired directory.
  350.             This access log implementation is optimized for maximum performance,
  351.             but is hardcoded to support only the "common" and "combined" patterns.
  352.        -->
  353.         <!--
  354.        <Valve className="org.apache.catalina.valves.FastCommonAccessLogValve"
  355.                 directory="logs"  prefix="localhost_access_log." suffix=".txt"
  356.                 pattern="common" resolveHosts="false"/>
  357.        -->
  358.  
  359.       </Host>
  360.  
  361.     </Engine>
  362.  
  363.   </Service>
  364.  
  365. </Server>
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