Yes I'm using version 5.5.15. What I have in the server.xml file is what is
advised in the Tomcat set up pages. So would it make any difference
removing one of these or as it's ignored does it not matter?
Mark
----- Original Message -----
From: "Bill Barker" <[EMAIL PROTECTED]>
To: <users@tomcat.apache.org>
Sent: Sunday, February 19, 2006 8:40 PM
Subject: Re: JNDI Datasource Problem
Since you have <WatchedResources />, this suggests you are using some
version of 5.5. In this case, the <ResourceParams /> is ignored (you set
them as attributes on the <Resource /> tag).
"Mark Whitby" <[EMAIL PROTECTED]> wrote in message
news:[EMAIL PROTECTED]
I've done that and I now get the following error:
org.apache.jasper.JasperException: Unable to get connection, DataSource
invalid: "java.sql.SQLException: No suitable driver"
This is what I have in my context.xml file:
<!-- The contents of this file will be loaded for each web
application -->
<Context>
<!-- Default set of monitored resources -->
<WatchedResource>WEB-INF/web.xml</WatchedResource>
<!-- Uncomment this to disable session persistence across Tomcat
restarts -->
<!--
<Manager pathname="" />
-->
<ResourceLink
name="jdbc/TestDB"
global="jdbc/TestDB"
type="javax.sql.DataSource" auth="Container" />
</Context>
Any further suggestions?
Mark
----- Original Message -----
From: "Parsons Technical Services" <[EMAIL PROTECTED]>
To: "Tomcat Users List" <users@tomcat.apache.org>
Sent: Sunday, February 19, 2006 7:02 PM
Subject: Re: JNDI Datasource Problem
Look up resource link. It goes in the context.xml
Also only put the jar file in the common/lib and no where else.
----- Original Message -----
From: "Mark Whitby" <[EMAIL PROTECTED]>
To: "Tomcat Users List" <users@tomcat.apache.org>
Sent: Sunday, February 19, 2006 12:53 PM
Subject: JNDI Datasource Problem
Hey guys,
Thanks for the help with the previous problem I had, I've managed to
solve them now thanks to your help. But now I'm having a problem with
setting up a DataSource connection. I've followed the example word for
word and got the following error:
javax.servlet.ServletException: Unable to get connection, DataSource
invalid: "org.apache.tomcat.dbcp.dbcp.SQLNestedException: Cannot create
JDBC driver of class '' for connect URL 'null'"
I did a google search for this but only managed to find something on the
NetBeans website which wasn't much help. I've edited the server.xml
file as stated, placed the relevent jar file
(mysql-connector-java-3.1.12-bin.jar) in the lib folder in my web
application and in the /common/lib folder in the Tomcat home folder and
I've reset the server and I'm still getting the same problem.
I'm using MySQL, database is called 'fyptest' and the table is called
'testdata'. So where am I going wrong?
Many thanks
Mark Whitby
Server.xml file:
<Context path="/DBTest" docBase="DBTest"
debug="5" reloadable="true" crossContext="true">
<Logger className="org.apache.catalina.logger.FileLogger"
prefix="localhost_DBTest_log." suffix=".txt"
timestamp="true"/>
<Resource name="jdbc/TestDB"
auth="Container"
type="javax.sql.DataSource"/>
<ResourceParams name="jdbc/TestDB">
<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>javauser</value>
</parameter>
<parameter>
<name>password</name>
<value>pilks2</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/fyptest?autoReconnect=true</value>
</parameter>
</ResourceParams>
</Context>
web.xml file:
<resource-ref>
<description>DB Connection</description>
<res-ref-name>jdbc/TestDB</res-ref-name>
<res-type>javax.sql.DataSource</res-type>
<res-auth>Container</res-auth>
</resource-ref>
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