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Subject: RE: Server.xml configuration problem
Date: Thu, 16 Sep 2004 15:10:26 -0400
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Thread-Topic: Server.xml configuration problem
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From: "LINGALA, AMARESHWAR G \(SBCSI\)" <al3495@sbc.com>
To: "Tomcat Users List" <tomcat-user@jakarta.apache.org>
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It is working now, All I have to do is put the resource params inside of
the <DefaultContext>

 Thanks for all your help !!!
=20

-----Original Message-----
From: Jukka Uusisalo [mailto:jukka.uusisalo@dnainternet.net]=20
Sent: Thursday, September 16, 2004 1:50 PM
To: Tomcat Users List
Subject: Re: Server.xml configuration problem


Hi,

Your datasource jdbc/myOracle must be inside some Context element or
DefaultContext
element like

<DefaultContext>
  <Resource name=3D"jdbc/myDataSource"
               auth=3D"Container"
               type=3D"javax.sql.DataSource"/>

  <ResourceParams name=3D"jdbc/myDataSource">
    <parameter>
      <name>factory</name>n
      <value>org.apache.commons.dbcp.BasicDataSourceFactory</value>
    </parameter>
    <!-- Add other resourceparams -->
</DefaultContext>

Default context element is inside Host element. And also there have be
reference in your
application web.xml like

  <resource-ref>
    <description>Datasource for my app</description>
    <res-ref-name>jdbc/myDataSource</res-ref-name>
    <res-type>javax.sql.DataSource</res-type>
    <res-auth>container</res-auth>
   </resource-ref>

- Jukka -

----- Original Message -----=20
From: "LINGALA, AMARESHWAR G (SBCSI)" <al3495@sbc.com>
To: "Tomcat Users List" <tomcat-user@jakarta.apache.org>
Sent: Thursday, September 16, 2004 9:21 PM
Subject: RE: Server.xml configuration problem



Can you please be more specific, I tried to follow up the documents but
am unable to fix the bug. Can you please send me the example of the
change? I would be very much thankful to you.

 I am assuming that

<Resource name=3D"jdbc/myoracle" auth=3D"Container"
>              type=3D"javax.sql.DataSource"/>
>
> <ResourceParams name=3D"jdbc/myoracle">

 Should make the tomcat recognise the database.

 Thanks
  Amar

-----Original Message-----
From: Shapira, Yoav [mailto:Yoav.Shapira@mpi.com]
Sent: Thursday, September 16, 2004 1:12 PM
To: Tomcat Users List
Subject: RE: Server.xml configuration problem



Hi,
You need to add an explicit Context element for your webapp, and inside
it a ResourceLink element to make the GlobalNamingResources DataSource
visible to your webapp.  Check the configuration reference document for
GlobalNamingResourcs and ResourceLink for details.

Yoav Shapira
Millennium Research Informatics


>-----Original Message-----
>From: LINGALA, AMARESHWAR G (SBCSI) [mailto:al3495@sbc.com]
>Sent: Thursday, September 16, 2004 2:04 PM
>To: Tomcat Users List
>Subject: Server.xml configuration problem
>
>
> Hi,
>     I am trying to set-up Connection pooling for my web application, I
>have made the following modifications to my server.xml file.
>
><!-- 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=3D"8005" shutdown=3D"SHUTDOWN" debug=3D"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=3D"/com/myfirm/mypackage/mbean-descriptor.xml"
>  -->
>  <Listener
>className=3D"org.apache.catalina.mbeans.ServerLifecycleListener"
>            debug=3D"0"/>
>  <Listener
>className=3D"org.apache.catalina.mbeans.GlobalResourcesLifecycleListener=
"
>            debug=3D"0"/>
>
>  <!-- Global JNDI resources -->
>  <GlobalNamingResources>
>
>    <!-- Test entry for demonstration purposes -->
>    <Environment name=3D"simpleValue" type=3D"java.lang.Integer"
>value=3D"30"/>
>
>    <!-- Editable user database that can also be used by
>         UserDatabaseRealm to authenticate users -->
>    <Resource name=3D"UserDatabase" auth=3D"Container"
>              type=3D"org.apache.catalina.UserDatabase"
>       description=3D"User database that can be updated and saved">
>    </Resource>
>    <ResourceParams name=3D"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>
>
> <!--> Modified by Amar Lingala on 09/15/04 <-->
> <Resource name=3D"jdbc/myoracle" auth=3D"Container"
>              type=3D"javax.sql.DataSource"/>
>
> <ResourceParams name=3D"jdbc/myoracle">
>   <parameter>
>     <name>factory</name>
>
><value>org.apache.commons.dbcp.BasicDataSourceFactory</value>
>   </parameter>
>   <parameter>
>     <name>driverClassName</name>
>     <value>oracle.jdbc.driver.OracleDriver</value>
>   </parameter>
>   <parameter>
>     <name>url</name>
>
><!--value>jdbc:oracle:thin:myschema@127.0.0.1:1521:mysid</value-->
>
><value>jdbc:oracle:thin:@chd4.sbc.com:1521:ostl411</value>
>   </parameter>
>   <parameter>
>     <name>username</name>
>     <value>scott</value>
>   </parameter>
>   <parameter>
>     <name>password</name>
>     <value>tiger</value>
>   </parameter>
>   <parameter>
>     <name>maxActive</name>
>     <value>20</value>
>   </parameter>
>   <parameter>
>     <name>maxIdle</name>
>     <value>10</value>
>   </parameter>
>   <parameter>
>     <name>maxWait</name>
>     <value>-1</value>
>   </parameter>
> </ResourceParams>
>    <!-->End of Modification <-->
>
>  </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=3D"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 Coyote HTTP/1.1 Connector on port 8080 -->
>    <Connector port=3D"8080"
>               maxThreads=3D"150" minSpareThreads=3D"25"
>maxSpareThreads=3D"75"
>               enableLookups=3D"false" redirectPort=3D"8443"
>acceptCount=3D"100"
>               debug=3D"0" connectionTimeout=3D"20000"
>               disableUploadTimeout=3D"true" />
>    <!-- Note : To disable connection timeouts, set connectionTimeout
>value
>     to 0 -->
>
> <!-- Note : To use gzip compression you could set the following
>properties :
>
>    compression=3D"on"
>    compressionMinSize=3D"2048"
>    noCompressionUserAgents=3D"gozilla, traviata"
>    compressableMimeType=3D"text/html,text/xml"
> -->
>
>    <!-- Define a SSL Coyote HTTP/1.1 Connector on port 8443 -->
>    <!--
>    <Connector port=3D"8443"
>               maxThreads=3D"150" minSpareThreads=3D"25"
>maxSpareThreads=3D"75"
>               enableLookups=3D"false" disableUploadTimeout=3D"true"
>               acceptCount=3D"100" debug=3D"0" scheme=3D"https" =
secure=3D"true"
>               clientAuth=3D"false" sslProtocol=3D"TLS" />
>    -->
>
>    <!-- Define a Coyote/JK2 AJP 1.3 Connector on port 8009 -->
>    <Connector port=3D"8009"
>               enableLookups=3D"false" redirectPort=3D"8443" =
debug=3D"0"
>               protocol=3D"AJP/1.3" />
>
>    <!-- Define a Proxied HTTP/1.1 Connector on port 8082 -->
>    <!-- See proxy documentation for more information about using this.
>-->
>    <!--
>    <Connector port=3D"8082"
>               maxThreads=3D"150" minSpareThreads=3D"25"
>maxSpareThreads=3D"75"
>               enableLookups=3D"false"
>               acceptCount=3D"100" debug=3D"0" =
connectionTimeout=3D"20000"
>               proxyPort=3D"80" disableUploadTimeout=3D"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 JK/JK2
ie
>:
>    <Engine name=3D"Standalone" defaultHost=3D"localhost" debug=3D"0"
>jvmRoute=3D"jvm1">
>    -->
>
>    <!-- Define the top level container in our container hierarchy -->
>    <Engine name=3D"Catalina" defaultHost=3D"localhost" debug=3D"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 2.4
>           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=3D"org.apache.catalina.valves.RequestDumperValve"/>
>      -->
>
>      <!-- Global logger unless overridden at lower levels -->
>      <Logger className=3D"org.apache.catalina.logger.FileLogger"
>              prefix=3D"catalina_log." suffix=3D".txt"
>              timestamp=3D"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=3D"org.apache.catalina.realm.UserDatabaseRealm"
>                 debug=3D"0" resourceName=3D"UserDatabase"/>
>
>      <!-- Comment out the old realm but leave here for now in case we
>           need to go back quickly -->
>      <!--
>      <Realm className=3D"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=3D"org.apache.catalina.realm.JDBCRealm"
debug=3D"99"
>             driverName=3D"org.gjt.mm.mysql.Driver"
>          connectionURL=3D"jdbc:mysql://localhost/authority"
>         connectionName=3D"test" connectionPassword=3D"test"
>              userTable=3D"users" userNameCol=3D"user_name"
>userCredCol=3D"user_pass"
>          userRoleTable=3D"user_roles" roleNameCol=3D"role_name" />
>      -->
>
>      <!--
>      <Realm  className=3D"org.apache.catalina.realm.JDBCRealm"
debug=3D"99"
>             driverName=3D"oracle.jdbc.driver.OracleDriver"
>          connectionURL=3D"jdbc:oracle:thin:@ntserver:1521:ORCL"
>         connectionName=3D"scott" connectionPassword=3D"tiger"
>              userTable=3D"users" userNameCol=3D"user_name"
>userCredCol=3D"user_pass"
>          userRoleTable=3D"user_roles" roleNameCol=3D"role_name" />
>      -->
>
>      <!--
>      <Realm  className=3D"org.apache.catalina.realm.JDBCRealm"
debug=3D"99"
>             driverName=3D"sun.jdbc.odbc.JdbcOdbcDriver"
>          connectionURL=3D"jdbc:odbc:CATALINA"
>              userTable=3D"users" userNameCol=3D"user_name"
>userCredCol=3D"user_pass"
>          userRoleTable=3D"user_roles" roleNameCol=3D"role_name" />
>      -->
>
>      <!-- Define the default virtual host
>           Note: XML Schema validation will not work with Xerces 2.2.
>       -->
>      <Host name=3D"localhost" debug=3D"0" appBase=3D"webapps"
>       unpackWARs=3D"true" autoDeploy=3D"true"
>       xmlValidation=3D"false" xmlNamespaceAware=3D"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 =3D the fully qualified name of the cluster =
class
>
>             name =3D a descriptive name for your cluster, can be
anything
>
>             debug =3D the debug level, higher means more output
>
>             mcastAddr =3D the multicast address, has to be the same =
for
>all the nodes
>
>             mcastPort =3D the multicast port, has to be the same for =
all
>the nodes
>
>             mcastBindAddr =3D bind the multicast socket to a specific
>address
>
>             mcastTTL =3D the multicast TTL if you want to limit your
>broadcast
>
>             mcastSoTimeout =3D the multicast readtimeout
>
>             mcastFrequency =3D the number of milliseconds in between
>sending a "I'm alive" heartbeat
>
>             mcastDropTime =3D the number a milliseconds before a node =
is
>considered "dead" if no heartbeat is received
>
>             tcpThreadCount =3D the number of threads to handle =
incoming
>replication requests, optimal would be the same amount of threads as
>nodes
>
>             tcpListenAddress =3D 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 =3D the tcp listen port
>
>             tcpSelectorTimeout =3D 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 =3D true means that managers will also print
to
>std.out
>
>             expireSessionsOnShutdown =3D true means that
>
>             useDirtyFlag =3D 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:
>                            <%
>                            HashMap map =3D
>(HashMap)session.getAttribute("map");
>                            map.put("key","value");
>                            %>
>             replicationMode =3D 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=3D".*\.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=3D"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=3D"org.apache.catalina.cluster.tcp.SimpleTcpCluster"
>
>managerClassName=3D"org.apache.catalina.cluster.session.DeltaManager"
>                 expireSessionsOnShutdown=3D"false"
>                 useDirtyFlag=3D"true">
>
>            <Membership
>
>className=3D"org.apache.catalina.cluster.mcast.McastService"
>                mcastAddr=3D"228.0.0.4"
>                mcastPort=3D"45564"
>                mcastFrequency=3D"500"
>                mcastDropTime=3D"3000"/>
>
>            <Receiver
>
>className=3D"org.apache.catalina.cluster.tcp.ReplicationListener"
>                tcpListenAddress=3D"auto"
>                tcpListenPort=3D"4001"
>                tcpSelectorTimeout=3D"100"
>                tcpThreadCount=3D"6"/>
>
>            <Sender
>
>className=3D"org.apache.catalina.cluster.tcp.ReplicationTransmitter"
>                replicationMode=3D"pooled"/>
>
>            <Valve
>className=3D"org.apache.catalina.cluster.tcp.ReplicationValve"
>
>filter=3D".*\.gif;.*\.js;.*\.jpg;.*\.htm;.*\.html;.*\.txt;"/>
>
>            <Deployer
>className=3D"org.apache.catalina.cluster.deploy.FarmWarDeployer"
>                      tempDir=3D"/tmp/war-temp/"
>                      deployDir=3D"/tmp/war-deploy/"
>                      watchDir=3D"/tmp/war-listen/"
>                      watchEnabled=3D"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=3D"org.apache.catalina.authenticator.SingleSignOn"
>                   debug=3D"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=3D"org.apache.catalina.valves.AccessLogValve"
>                 directory=3D"logs"  prefix=3D"localhost_access_log."
>suffix=3D".txt"
>                 pattern=3D"common" resolveHosts=3D"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=3D"org.apache.catalina.logger.FileLogger"
>                 directory=3D"logs"  prefix=3D"localhost_log."
suffix=3D".txt"
>            timestamp=3D"true"/>
>
>      </Host>
>
>    </Engine>
>
>  </Service>
>
></Server>
>
> But whenever I try to access the database I get the following error.
>
>
> org.apache.commons.dbcp.SQLNestedException: Cannot create JDBC driver
>of class '' for connect URL 'null'
> at
>org.apache.commons.dbcp.BasicDataSource.createDataSource(BasicDataSourc
e
>.java:780)
> at
>org.apache.commons.dbcp.BasicDataSource.getConnection(BasicDataSource.j
a
>va:540)
> at
>com.sbc.ssbilling.database.DBConnectionImpl.makeDBConnection(DBConnecti
o
>nImpl.java:63)
> at
>com.sbc.ssbilling.calculation.action.CalculationsReportAction.execute(C
a
>lculationsReportAction.java:49)
> at
>org.apache.struts.action.RequestProcessor.processActionPerform(RequestP
r
>ocessor.java:484)
> at
>org.apache.struts.action.RequestProcessor.process(RequestProcessor.java
:
>274)
> at
>org.apache.struts.action.ActionServlet.process(ActionServlet.java:1482)
> at
>org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:525)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:709)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
> at
>org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Applic
a
>tionFilterChain.java:237)
> at
>org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFil
t
>erChain.java:157)
> at
>org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperVal
v
>e.java:214)
> at
>org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveC
o
>ntext.java:104)
> at
>org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:
5
>20)
> at
>org.apache.catalina.core.StandardContextValve.invokeInternal(StandardCo
n
>textValve.java:198)
> at
>org.apache.catalina.core.StandardContextValve.invoke(StandardContextVal
v
>e.java:152)
> at
>org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveC
o
>ntext.java:104)
> at
>org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:
5
>20)
> at
>org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.jav
a
>:137)
> at
>org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveC
o
>ntext.java:104)
> at
>org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.jav
a
>:117)
> at
>org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveC
o
>ntext.java:102)
> at
>org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:
5
>20)
> at
>org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve
.
>java:109)
> at
>org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveC
o
>ntext.java:104)
> at
>org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:
5
>20)
> at
>org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:929)
> at
>org.apache.coyote.tomcat5.CoyoteAdapter.service(CoyoteAdapter.java:160)
> at
>org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:7
9
>9)
> at
>org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process
C
>onnection(Http11Protocol.java:705)
> at
>org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:5
7
>7)
> at
>org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPoo
l
>.java:683)
> at java.lang.Thread.run(Thread.java:534)
>Caused by: java.sql.SQLException: No suitable driver
> at java.sql.DriverManager.getDriver(DriverManager.java:243)
> at
>org.apache.commons.dbcp.BasicDataSource.createDataSource(BasicDataSourc
e
>.java:773)
> ... 33 more
>
>
>Any help would be greatly appreciated.
>
>
>Thanks
> Amar
>
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