I'm using Apache Tomcat 4.0 and Cocoon 2.0.4.
I've got a MySQL database called 'abc' which contains a table 'TroubleTickets'.
I can view this using mySQL.exe and it appears to be fine.
... however I can't seem to access this from Cocoon. I'm following the steps in
'Cocoon Developers Handbook' as follows.
1 Place mysql-connector-java-3.0.8-stable-bin.jar in C:\Program Files\Apache
Tomcat 4.0\common\lib
2 Preload JDBC driver
3 Define connection pool
4 Create ESQL query
5 Sitemap Entry
The key inputs i'm using are as follows.
2 Preload JDBC driver (web.xml)
<init-param>
<param-name>load-class</param-name>
<param-value>
org.gjt.mm.mysql.Driver
</param-value>
</init-param>
2 Define connection pool (cocooon.xconf)
<jdbc name="abc" logger="core.datasources.abc">
<pool-controller min="5" max="10"/>
<auto-commit>false</auto-commit>
<dburl>jdbc:mysql://localhost/abc</dburl>
<user>root</user>
<password/>
</jdbc>
3 Create ESQL query (tickets.xsp)
<?xml version="1.0" encoding="ISO-8859-1"?>
<xsp:page language="java" xmlns:xsp="http://apache.org/xsp";
xmlns:esql="http://apache.org/cocoon/SQL/v2";>
<page>
<content>
<esql:connection>
<esql:pool>abc</esql:pool>
<esql:execute-query>
<esql:query>
select * from TroubleTickets
</esql:query>
<esql:results>
<tickets>
<esql:row-results>
<ticket>
<esql:get-columns/>
</ticket>
</esql:row-results>
</tickets>
</esql:results>
</esql:execute-query>
</esql:connection>
</content>
</page>
</xsp:page>
4 Sitemap Entry
<map:match pattern="tickets">
<map:generate type="serverpages" src="tickets.xsp"/>
<map:serialize type="xml"/>
</map:match>
I'm getting an error in core.log as follows:
DEBUG (2003-07-28) 12:07.41:467 [core.datasources.abc]
(/cocoon/traffic-xml/ticketsXML) HttpProcessor[8080][4]/JdbcConnectionFactory:
Exception in JdbcConnectionFactory.newInstance:
java.lang.ClassNotFoundException:
org.apache.avalon.excalibur.datasource.Jdbc3Connection
Am I doing something silly? Or is this a Cocoon bug?
I also found this link:
http://archives.real-time.com/pipermail/cocoon-devel/2003-June/015269.html
Thanks for you help,
Kieran
_____________________________________________
Kieran Kirwan
Executive Transportation Planner
Transportation Modelling Department
Dublin Transportation Office
Hainault House,
69/71 St. Stephen's Green,
Dublin 2,
Ireland.
Tel: +353 (0)1 4778113
Fax: +353 (0) 1 478 5935
website: www.dto.ie <http://www.dto.ie/>
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