Tomcat4.0 Vs. Tomcat3.3

Tomcat4.0 Vs. Tomcat3.3, which one is more powerful more scalable, and has less bugs?

I read somewhere that Tomcat 4 has memory leaks...... is that true?

Similar Messages

  • Tomcat4.0.3 Vs. Tomcat3.3

    I think Tomcat3.3 is better than Tomcat4.0.3, the 4.0.x version has memory leak problem. there is no reason to install the 4.0 version

    Is this related,
    http://forum.java.sun.com/thread.jsp?forum=45&thread=240305

  • Hi how to add new folders under root for jsp in tomcat4.1.18

    hi,
    previsously i used tomcat3.3 and tomcat4.1.12 run sucessfully.
    now i downloed jakartha_tomcat4.1.18,
    i am running sample succesfuly direcly under root.
    now i want my some jsp appilcationes to run under xyz,pqr folders
    here my jsp files are abc.jsp,fgh.jsp while running file url like this
    http://localhost:8080/xyz/abc.jsp
    http://localhost:8080/pqr/fgh.jsp
    while running url server not locate the files.
    where i add these xyz and pqr folders in server.xml.
    here my server.xml like this any one can modify this
    <!-- 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" debug="0">
    <!-- Comment these entries out to disable JMX MBeans support -->
    <!-- You may also configure custom components (e.g. Valves/Realms) by
    including your own mbean-descriptor file(s), and setting the
    "descriptors" attribute to point to a ';' seperated list of paths
    (in the ClassLoader sense) of files to add to the default list.
    e.g. descriptors="/com/myfirm/mypackage/mbean-descriptor.xml"
    -->
    <Listener className="org.apache.catalina.mbeans.ServerLifecycleListener"
    debug="0"/>
    <Listener className="org.apache.catalina.mbeans.GlobalResourcesLifecycleListener"
    debug="0"/>
    <!-- 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">
    </Resource>
    <ResourceParams name="UserDatabase">
    <parameter>
    <name>factory</name>
    <value>org.apache.catalina.users.MemoryUserDatabaseFactory</value>
    </parameter>
    <parameter>
    <name>pathname</name>
    <value>conf/tomcat-users.xml</value>
    </parameter>
    </ResourceParams>
    </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="Tomcat-Standalone">
    <!-- 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 4.0 documentation bundle for more detailed
    instructions):
    * 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 Coyote HTTP/1.1 Connector on port 8080 -->
    <Connector className="org.apache.coyote.tomcat4.CoyoteConnector"
    port="8080" minProcessors="5" maxProcessors="75"
    enableLookups="true" redirectPort="8443"
    acceptCount="100" debug="0" connectionTimeout="20000"
    useURIValidationHack="false" disableUploadTimeout="true" />
    <!-- Note : To disable connection timeouts, set connectionTimeout value
    to -1 -->
    <!-- Define a SSL Coyote HTTP/1.1 Connector on port 8443 -->
    <!--
    <Connector className="org.apache.coyote.tomcat4.CoyoteConnector"
    port="8443" minProcessors="5" maxProcessors="75"
    enableLookups="true"
         acceptCount="100" debug="0" scheme="https" secure="true"
    useURIValidationHack="false" disableUploadTimeout="true">
    <Factory className="org.apache.coyote.tomcat4.CoyoteServerSocketFactory"
    clientAuth="false" protocol="TLS" />
    </Connector>
    -->
    <!-- Define a Coyote/JK2 AJP 1.3 Connector on port 8009 -->
    <Connector className="org.apache.coyote.tomcat4.CoyoteConnector"
    port="8009" minProcessors="5" maxProcessors="75"
    enableLookups="true" redirectPort="8443"
    acceptCount="10" debug="0" connectionTimeout="0"
    useURIValidationHack="false"
    protocolHandlerClassName="org.apache.jk.server.JkCoyoteHandler"/>
    <!-- Define an AJP 1.3 Connector on port 8009 -->
    <!--
    <Connector className="org.apache.ajp.tomcat4.Ajp13Connector"
    port="8009" minProcessors="5" maxProcessors="75"
    acceptCount="10" debug="0"/>
    -->
    <!-- Define a Proxied HTTP/1.1 Connector on port 8082 -->
    <!-- See proxy documentation for more information about using this. -->
    <!--
    <Connector className="org.apache.coyote.tomcat4.CoyoteConnector"
    port="8082" minProcessors="5" maxProcessors="75"
    enableLookups="true"
    acceptCount="100" debug="0" connectionTimeout="20000"
    proxyPort="80" useURIValidationHack="false"
    disableUploadTimeout="true" />
    -->
    <!-- Define a non-SSL legacy HTTP/1.1 Test Connector on port 8083 -->
    <!--
    <Connector className="org.apache.catalina.connector.http.HttpConnector"
    port="8083" minProcessors="5" maxProcessors="75"
    enableLookups="true" redirectPort="8443"
    acceptCount="10" debug="0" />
    -->
    <!-- Define a non-SSL HTTP/1.0 Test Connector on port 8084 -->
    <!--
    <Connector className="org.apache.catalina.connector.http10.HttpConnector"
    port="8084" minProcessors="5" maxProcessors="75"
    enableLookups="true" redirectPort="8443"
    acceptCount="10" debug="0" />
    -->
    <!-- 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 JK/JK2 ie :
    <Engine name="Standalone" defaultHost="localhost" debug="0" jmvRoute="jvm1">
    -->
    <!-- Define the top level container in our container hierarchy -->
    <Engine name="Standalone" defaultHost="localhost" debug="0">
    <!-- 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 2.3
    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"/>
    -->
    <!-- Global logger unless overridden at lower levels -->
    <Logger className="org.apache.catalina.logger.FileLogger"
    prefix="catalina_log." suffix=".txt"
    timestamp="true"/>
    <!-- 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"
    debug="0" 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" debug="99"
    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" debug="99"
    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" debug="99"
    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 -->
    <Host name="localhost" debug="0" appBase="webapps"
    unpackWARs="true" autoDeploy="true">
    <!-- 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"
    debug="0"/>
    -->
    <!-- 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"/>
    -->
    <!-- Logger shared by all Contexts related to this virtual host. By
    default (when using FileLogger), 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.-->
    <Logger className="org.apache.catalina.logger.FileLogger"
    directory="logs" prefix="localhost_log." suffix=".txt"
         timestamp="true"/>
    <!-- Define properties for each web application. This is only needed
    if you want to set non-default properties, or have web application
    document roots in places other than the virtual host's appBase
    directory. -->
    <!-- Tomcat Root Context -->
    <Context path="" docBase="ROOT" debug="0"/>
    <!-- Tomcat Examples Context -->
    <Context path="/examples" docBase="examples" debug="0"
    reloadable="true" crossContext="true">
    <Logger className="org.apache.catalina.logger.FileLogger"
    prefix="localhost_examples_log." suffix=".txt"
         timestamp="true"/>
    <Ejb name="ejb/EmplRecord" type="Entity"
    home="com.wombat.empl.EmployeeRecordHome"
    remote="com.wombat.empl.EmployeeRecord"/>
    <!-- If you wanted the examples app to be able to edit the
    user database, you would uncomment the following entry.
    Of course, you would want to enable security on the
    application as well, so this is not done by default!
    The database object could be accessed like this:
    Context initCtx = new InitialContext();
    Context envCtx = (Context) initCtx.lookup("java:comp/env");
    UserDatabase database =
    (UserDatabase) envCtx.lookup("userDatabase");
    -->
    <!--
    <ResourceLink name="userDatabase" global="UserDatabase"
    type="org.apache.catalina.UserDatabase"/>
    -->
    <!-- PersistentManager: Uncomment the section below to test Persistent
              Sessions.
    saveOnRestart: If true, all active sessions will be saved
    to the Store when Catalina is shutdown, regardless of
    other settings. All Sessions found in the Store will be
    loaded on startup. Sessions past their expiration are
    ignored in both cases.
    maxActiveSessions: If 0 or greater, having too many active
    sessions will result in some being swapped out. minIdleSwap
    limits this. -1 or 0 means unlimited sessions are allowed.
    If it is not possible to swap sessions new sessions will
    be rejected.
    This avoids thrashing when the site is highly active.
    minIdleSwap: Sessions must be idle for at least this long
    (in seconds) before they will be swapped out due to
    activity.
    0 means sessions will almost always be swapped out after
    use - this will be noticeably slow for your users.
    maxIdleSwap: Sessions will be swapped out if idle for this
    long (in seconds). If minIdleSwap is higher, then it will
    override this. This isn't exact: it is checked periodically.
    -1 means sessions won't be swapped out for this reason,
    although they may be swapped out for maxActiveSessions.
    If set to >= 0, guarantees that all sessions found in the
    Store will be loaded on startup.
    maxIdleBackup: Sessions will be backed up (saved to the Store,
    but left in active memory) if idle for this long (in seconds),
    and all sessions found in the Store will be loaded on startup.
    If set to -1 sessions will not be backed up, 0 means they
    should be backed up shortly after being used.
    To clear sessions from the Store, set maxActiveSessions, maxIdleSwap,
    and minIdleBackup all to -1, saveOnRestart to false, then restart
    Catalina.
    -->
              <!--
    <Manager className="org.apache.catalina.session.PersistentManager"
    debug="0"
    saveOnRestart="true"
    maxActiveSessions="-1"
    minIdleSwap="-1"
    maxIdleSwap="-1"
    maxIdleBackup="-1">
    <Store className="org.apache.catalina.session.FileStore"/>
    </Manager>
              -->
    <Environment name="maxExemptions" type="java.lang.Integer"
    value="15"/>
    <Parameter name="context.param.name" value="context.param.value"
    override="false"/>
    <Resource name="jdbc/EmployeeAppDb" auth="SERVLET"
    type="javax.sql.DataSource"/>
    <ResourceParams name="jdbc/EmployeeAppDb">
    <parameter><name>username</name><value>sa</value></parameter>
    <parameter><name>password</name><value></value></parameter>
    <parameter><name>driverClassName</name>
    <value>org.hsql.jdbcDriver</value></parameter>
    <parameter><name>url</name>
    <value>jdbc:HypersonicSQL:database</value></parameter>
    </ResourceParams>
    <Resource name="mail/Session" auth="Container"
    type="javax.mail.Session"/>
    <ResourceParams name="mail/Session">
    <parameter>
    <name>mail.smtp.host</name>
    <value>localhost</value>
    </parameter>
    </ResourceParams>
    <ResourceLink name="linkToGlobalResource"
    global="simpleValue"
    type="java.lang.Integer"/>
    </Context>
    </Host>
    </Engine>
    </Service>
    <!-- The MOD_WEBAPP connector is used to connect Apache 1.3 with Tomcat 4.0
    as its servlet container. Please read the README.txt file coming with
    the WebApp Module distribution on how to build it.
    (Or check out the "jakarta-tomcat-connectors/webapp" CVS repository)
    To configure the Apache side, you must ensure that you have the
    "ServerName" and "Port" directives defined in "httpd.conf". Then,
    lines like these to the bottom of your "httpd.conf" file:
    LoadModule webapp_module libexec/mod_webapp.so
    WebAppConnection warpConnection warp localhost:8008
    WebAppDeploy examples warpConnection /examples/
    The next time you restart Apache (after restarting Tomcat, if needed)
    the connection will be established, and all applications you make
    visible via "WebAppDeploy" directives can be accessed through Apache.
    -->
    <!-- Define an Apache-Connector Service -->
    <!--
    <Service name="Tomcat-Apache">
    <Connector className="org.apache.catalina.connector.warp.WarpConnector"
    port="8008" minProcessors="5" maxProcessors="75"
    enableLookups="true" appBase="webapps"
    acceptCount="10" debug="0"/>
    <Engine className="org.apache.catalina.connector.warp.WarpEngine"
    name="Apache" debug="0">
    <Logger className="org.apache.catalina.logger.FileLogger"
    prefix="apache_log." suffix=".txt"
    timestamp="true"/>
    <Realm className="org.apache.catalina.realm.MemoryRealm" />
    </Engine>
    </Service>
    -->
    </Server>
    ==========
    any one may modify above one
    thanks
    pullareddyj

    As the server.xml is big enough, I took the minimum portion of it. Hope u can proceed with it.
    <!-- Tomcat Root Context -->
    <Context path="" docBase="ROOT" debug="0"/>
    <!-- New contexts -->
    <Context path="/xyz" docBase="pathTo_xyz" debug="0" crossContext="true"/>
    <Context path="/pqr" docBase="pathTo_pqr" debug="0" crossContext="true"/>
    <!-- Tomcat Examples Context -->
    <Context path="/examples" docBase="examples" debug="0"
    reloadable="true" crossContext="true">
    You should also provide a WEB-INF folder under pqr or xyz folder.
    You should also provide a web.xml file under each WEB-INF folder.
    The minimal web.xml is
    <?xml version="1.0" encoding="UTF-8" ?>
    <!DOCTYPE web-app PUBLIC "-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN"
    "http://java.sun.com/j2ee/dtd/web-app_2_3.dtd">
    <web-app>
    </web-app>
    That's it. Try it out. Hope it is OK.
    Hafizur Rahman
    SCJP

  • Null connection when trying to connect to SQL Server 2000 in Tomcat4.1.29

    Hi All,
    I am still struggling with null connection when trying to connect to sql server 2000 with tomcat using sun.jdbc.odbc.JdbcOdbcDriver
    Here is my server.xml
    <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>
    <Resource name="UserDatabase" auth="Container"
    type="org.apache.catalina.UserDatabase"
    description="User database that can be updated and saved">
    </Resource>
    <ResourceParams name="UserDatabase">
    <parameter>
    <name>factory</name>
    <value>org.apache.catalina.users.MemoryUserDatabaseFactory</value>
    </parameter>
    <parameter>
    <name>pathname</name>
    <value>conf/tomcat-users.xml</value>
    </parameter>
    </ResourceParams>
    <Resource auth="Container" description="Users and Groups
    Database" name="UserDatabase"
    scope="Shareable"
    type="org.apache.catalina.UserDatabase"/>
    <Resource name="jdbc/DefaultDS" scope="Shareable"
    type="javax.sql.DataSource"/>
    <ResourceParams name="UserDatabase">
    <parameter>
    <name>factory</name>
    <value>org.apache.catalina.users.
    MemoryUserDatabaseFactory</value>
    </parameter>
    <parameter>
    <name>pathname</name>
    <value>conf/tomcat-users.xml</value>
    </parameter>
    </ResourceParams>
    <ResourceParams name="jdbc/DefaultDS">
    <parameter>
    <name>validationQuery</name>
    <value></value>
    </parameter>
    <parameter>
    <name>user</name>
    <value>sa</value>
    </parameter>
    <parameter>
    <name>maxWait</name>
    <value>5000</value>
    </parameter>
    <parameter>
    <name>maxActive</name>
    <value>4</value>
    </parameter>
    <parameter>
    <name>password</name>
    <value>sa</value>
    </parameter>
    <parameter>
    <name>url</name>
    <value>jdbc:odbc:JBoss-SQL://localhost:1433;databaseName=Development;selectMethod=cursor;</value>
    </parameter>
    <parameter>
    <name>driverClassName</name>
    <value>sun.jdbc.odbc.JdbcOdbcDriver</value>
    </parameter>
    <parameter>
    <name>maxIdle</name>
    <value>2</value>
    </parameter>
    </ResourceParams>
    </GlobalNamingResources>
    <!-- Define the Tomcat Stand-Alone Service -->
    <Service name="Tomcat-Standalone">
    <Connector className="org.apache.coyote.tomcat4.CoyoteConnector"
    port="8080" minProcessors="5" maxProcessors="75"
    enableLookups="true" redirectPort="8443"
    acceptCount="100" debug="0" connectionTimeout="20000"
    useURIValidationHack="false" disableUploadTimeout="true" />
    <!-- Note : To disable connection timeouts, set connectionTimeout value
    to -1 -->
    <!-- Define a SSL Coyote HTTP/1.1 Connector on port 8443 -->
    <!--
    <Connector className="org.apache.coyote.tomcat4.CoyoteConnector"
    port="8443" minProcessors="5" maxProcessors="75"
    enableLookups="true"
    acceptCount="100" debug="0" scheme="https" secure="true"
    useURIValidationHack="false" disableUploadTimeout="true">
    <Factory className="org.apache.coyote.tomcat4.CoyoteServerSocketFactory"
    clientAuth="false" protocol="TLS" />
    </Connector>
    -->
    <!-- Define a Coyote/JK2 AJP 1.3 Connector on port 8009 -->
    <Connector className="org.apache.coyote.tomcat4.CoyoteConnector"
    port="8009" minProcessors="5" maxProcessors="75"
    enableLookups="true" redirectPort="8443"
    acceptCount="10" debug="0" connectionTimeout="0"
    useURIValidationHack="false"
    protocolHandlerClassName="org.apache.jk.server.JkCoyoteHandler"/>
    <!-- Define an AJP 1.3 Connector on port 8009 --><Logger className="org.apache.catalina.logger.FileLogger"
    prefix="catalina_log." suffix=".txt"
    timestamp="true"/>
    <!-- Define the default virtual host -->
    <Host name="localhost" debug="0" appBase="webapps"
    unpackWARs="true" autoDeploy="true">
    <Logger className="org.apache.catalina.logger.FileLogger"
    directory="logs" prefix="localhost_log." suffix=".txt"
    timestamp="true"/>
    <Environment name="maxExemptions" type="java.lang.Integer"
    value="15"/>
    <Parameter name="context.param.name" value="context.param.value"
    override="false"/>
    <Resource name="jdbc/DefaultDS" auth="container" type="javax.sql.DataSource"/>
    <ResourceParams name="jdbc/DefaultDS">
    <!-- Maximum number of dB connections in pool.
    Set to 0 for no limit.
    -->
    <parameter>
    <name>maxActive</name>
    <value>8</value>
    </parameter>
    <!-- Maximum number of idle dB connections to retain in pool.
    Set to 0 for no limit.
    -->
    <parameter>
    <name>maxIdle</name>
    <value>4</value>
    </parameter>
    <!-- Maximum time to wait for a dB connection to become available
    in ms, in this example 10 seconds. An Exception is thrown if
    this timeout is exceeded. Set to -1 to wait indefinitely.
    -->
    <parameter>
    <name>maxWait</name>
    <value>5000</value>
    </parameter>
    <!-- MS Sql Server dB username and password for dB connections
    -->
    <parameter>
    <name>user</name>
    <value>sa</value>
    </parameter>
    <parameter>
    <name>password</name>
    <value>sa</value>
    </parameter>
    <!-- Class name for MS Sql Server JDBC driver
    -->
    <parameter>
    <name>driverClassName</name>
    <value>sun.jdbc.odbc.JdbcOdbcDriver</value>
    </parameter>
    <!-- The JDBC connection url for connecting to MS Sql Server dB.
    -->
    <parameter>
    <name>url</name>
    <value>jdbc:odbc:JBoss-SQL://localhost:1433;databaseName=Development;selectMethod=cursor;</value>
    </parameter>
    <!-- This Databae Connection Pool Description.
    -->
    <parameter>
    <name>description</name>
    <value>JDBC Driver: sun.jdbc.odbc.JdbcOdbcDriver</value>
    </parameter>
    </ResourceParams>
    <Resource name="mail/Session" auth="Container"
    type="javax.mail.Session"/>
    <ResourceParams name="mail/Session">
    <parameter>
    <name>mail.smtp.host</name>
    <value>localhost</value>
    </parameter>
    </ResourceParams>
    <ResourceLink name="linkToGlobalResource"
    global="simpleValue"
    type="java.lang.Integer"/>
    </Host>
    </Engine>
    </Service>
    </Server>
    and my web.xml
    <?xml version="1.0" encoding="UTF-8"?>
    <!DOCTYPE web-app PUBLIC "-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN" "http://java.sun.com/dtd/web-app_2_3.dtd">
    <!-- Standard Action Servlet Mapping -->
    <web-app>
    <resource-ref>
    <res-ref-name>jdbc/DefaultDS</res-ref-name>
    <res-type>javax.sql.DataSource</res-type>
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    Thank you.

    Take a look at the web.xml files, both in conf and in WEB-INF, you'll learn that the /servlet/ url is mapped to the invoker that tries to find your classes, but is bad to have active in production.
    Basically, you need to tell tomcat, through your web.xml the mapping between url (you may choose something other that servlet) and your actual servlets.
    Patrick

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