Most of it looks good. driverClassName on a recent mysql jar should be
com.mysql.jdbc.Driver instead of the ancient org.gjt..... stuff. The
mysql jar should be located in common/lib if you're using the container
supplied dbcp pooling. If you happen to move the mysql jar file, you'll
have to restart tomcat to register the change with the common/lib
classloader. Use the manager app to restart your context if you change
anything in the context definition.
--David
Kelly C. Goedert wrote:
Hi,
I'm getting this error " Name jdbc is not bound in this Context" on my
application. My tomcat version is 5.0.27.
The servlet that is causing this error is trying to access a database
with the following code:
protected IDatabaseConnection getConnection() throws Exception {
Context ic = new InitialContext();
Context ctx = (Context) ic.lookup("java:comp/env");
DataSource ds = (DataSource) ic.lookup("jdbc/boxes-cactus");
con = new DatabaseDataSourceConnection( ds);
return con;
}
My web.xml has the following configuration to the datasource:
<resource-ref>
<description>DB Connection</description>
<res-ref-name>jdbc/boxes-cactus</res-ref-name>
<res-type>javax.sql.DataSource</res-type>
<res-auth>Container</res-auth>
</resource-ref>
And in $TOMCAT_HOME/conf/
Catalina/localhost/boxes-cactus.xml I got this
Context path="/boxes-cactus" docBase="boxes-cactus"
debug="5" reloadable="true" crossContext="true">
<Logger className="org.apache.catalina.logger.FileLogger"
prefix="localhost_DBTest_log." suffix=".txt"
timestamp="true"/>
<Resource name="jdbc/boxes-cactus"
auth="Container"
type="javax.sql.DataSource"/>
<ResourceParams name="jdbc/boxes-cactus">
<parameter>
<name>factory</name>
<value>org.apache.commons.dbcp.BasicDataSourceFactory</value>
</parameter>
<!-- Maximum number of dB connections in pool. Make sure you
configure your mysqld max_connections large enough to handle
all of your db connections. Set to 0 for no limit.
-->
<parameter>
<name>maxActive</name>
<value>100</value>
</parameter>
<!-- Maximum number of idle dB connections to retain in pool.
Set to -1 for no limit. See also the DBCP documentation on this
and the minEvictableIdleTimeMillis configuration parameter.
-->
<parameter>
<name>maxIdle</name>
<value>30</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>10000</value>
</parameter>
<!-- MySQL dB username and password for dB connections -->
<parameter>
<name>username</name>
<value>root</value>
</parameter>
<parameter>
<name>password</name>
<value>xxxxx</value>
</parameter>
<!-- Class name for the old mm.mysql JDBC driver - uncomment this
entry and comment next
if you want to use this driver - we recommend using
Connector/J though
<parameter>
<name>driverClassName</name>
<value>org.gjt.mm.mysql.Driver</value>
</parameter>
-->
<!-- Class name for the official MySQL Connector/J driver -->
<parameter>
<name>driverClassName</name>
<value>com.mysql.jdbc.Driver</value>
</parameter>
<!-- The JDBC connection url for connecting to your MySQL dB.
The autoReconnect=true argument to the url makes sure that the
mm.mysql JDBC Driver will automatically reconnect if mysqld
closed the
connection. mysqld by default closes idle connections after 8
hours.
-->
<parameter>
<name>url</name>
<value>jdbc:mysql://localhost:3306/BOXES?autoReconnect=true</value>
</parameter>
</ResourceParams>
</Context>
Can anyone help?
Kelly.
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