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Help with Simple JDBC Connection (sry, kinda long)

Keg

2004-05-08

Replies:


I am trying to connect to a local mysql database from a jsp page. I can
see the datasource defined in the Admin app, however, when I drill down
into the datasources under my webapp, I get this error:

javax.servlet.ServletException: Exception retrieving attribute
'driverClassName'org.apache.jasper.runtime.PageContextImpl.doHandlePageException (PageContextImpl.java:867)
org.apache.jasper.runtime.PageContextImpl.handlePageException (PageContextImpl.java:800)
admin.resources.listDataSources_jsp._jspService(listDataSources_jsp.java:431)
<SNIP>

I have the following server.xml file:
<?xml version='1.0' encoding='utf-8'?>
<Server>
 <Listener
className="org.apache.catalina.mbeans.ServerLifecycleListener"/>
 <Listener
className="org.apache.catalina.mbeans.GlobalResourcesLifecycleListener"/>
 <GlobalNamingResources>
  <Environment name="simpleValue" type="java.lang.Integer" value="30"/>
  <Resource auth="Container" description="User database that can be
updated and saved" name="UserDatabase"
type="org.apache.catalina.UserDatabase"/>
  <Resource name="mysql-dev1" 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/.__users.xml</value>
    </parameter>
  </ResourceParams>
  <ResourceParams name="mysql-dev1">
    <parameter>
     <name>factory</name>
     <value>org.apache.commons.dbcp.BasicDataSourceFactory</value>
    </parameter>
    <parameter>
     <name>maxActive</name>
     <value>100</value>
    </parameter>
    <parameter>
     <name>maxIdle</name>
     <value>10</value>
    </parameter>
    <parameter>
     <name>maxWait</name>
     <value>10000</value>
    </parameter>
    <parameter>
     <name>username</name>
     <value>tomcat5</value>
    </parameter>
    <parameter>
     <name>password</name>
     <value>!tomcat5!</value>
    </parameter>
    <parameter>
     <name>driverClassName</name>
     <value>org.gjt.mm.mysql.Driver</value>
    </parameter>
    <parameter>
     <name>url</name>

<value>jdbc:mysql://localhost:3306/tomcat5?autoReconnect=true</value>
    </parameter>
  </ResourceParams>
 </GlobalNamingResources>
 <Service name="Catalina">
  <Connector acceptCount="100" connectionTimeout="20000"
disableUploadTimeout="true" port="8080" redirectPort="8443">
  </Connector>
  <Connector port="8009" protocol="AJP/1.3"
protocolHandlerClassName="org.apache.jk.server.JkCoyoteHandler"
redirectPort="8443">
  </Connector>
  <Engine defaultHost="localhost" name="Catalina">
    <Host appBase="webapps" name="localhost">
     <Logger className="org.apache.catalina.logger.FileLogger"
prefix="localhost_" timestamp="true"/>
     <Valve className="org.apache.catalina.valves.AccessLogValve"
fileDateFormat="yyyy-MM-dd" prefix="localhost_access_" suffix=".log"/>
    </Host>
    <Logger className="org.apache.catalina.logger.FileLogger"
prefix="catalina_" timestamp="true"/>
    <Realm className="org.apache.catalina.realm.UserDatabaseRealm"/>
  </Engine>
 </Service>
</Server>

****************************************************************************
Here is the webapps/dev1/WEB-INF/web.xml file:

<?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>Dev1 - Test App</display-name>
 <description>
   Development application: DEV1
 </description>

 <resource-ref>
    <description>mysql-dev1 JDBC Connection</description>
    <res-ref-name>mysql-dev1</res-ref-name>
    <res-type>javax.sql.DataSource</res-type>
    <res-auth>Container</res-auth>
 </resource-ref>

</web-app>
*****************************************************************************

I'm sure it's something stupid I missed.

Thx for any help,
keg





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