Here's the exception I get with the tomcat_dbcp.jar file in lib:
java.lang.ClassCastException: org.apache.tomcat.dbcp.dbcp.BasicDataSource
cannot be cast to org.apache.commons.dbcp.BasicDataSource
When I remove the tomcat_dbcp.jar file from lib, I get this exception:
javax.naming.NamingException: Could not create resource factory instance
[Root exception is java.lang.ClassNotFoundException:
org.apache.tomcat.dbcp.dbcp.BasicDataSourceFactory
Why is it looking for org.apache.tomcat.dbcp.dbcp.BasicDataSourceFactory? i
would expect it to try and instantiate the BasicDataSourceFactory in the
commons dbcp package. Am I missing something?
I don't want to use the org.apache.tomcat.dbcp.dbcp.BasicDataSource class in
my code because I need my application to be independent of the server. We're
using eclipse to develop, which uses an embedded jetty, so i won't be able
to run this code while debugging in eclipse.
Here's what the code looks like:
import org.apache.commons.dbcp.BasicDataSource;
private static BasicDataSource ds = null;
Properties dbProps = new Properties();
dbProps.load(new FileInputStream(dbConfFilePath));
ds = (BasicDataSource) ctx.lookup("java:comp/env/"
+ dbProps.getProperty(RESOURCE_NAME_KEY));
ds.setDriverClassName(dbProps.getProperty(DRIVER_KEY));
ds.setUrl(getJdbcUrl(dbProps));
ds.setUsername(dbProps.getProperty(USERNAME_KEY));
ds.setPassword(dbProps.getProperty(PASSWORD_KEY));
Thanks!
On Tue, Mar 9, 2010 at 10:16 AM, Propes, Barry L <barry.l.pro...@citi.com>wrote:
> I was initially getting this error, too, with my first install, but rebuilt
> the Tomcat collection and finally vanquished it using the factory reference
> of org.apache.tomcat.dbcp.DataSourceConnectionFactory in there, even though
> I'd initially gotten an error not being able to create the factory resource.
>
> Now I'm only getting a naming context error. If I get that fixed, I'll be
> on my way.
>
>
>
> -----Original Message-----
> From: Konstantin Kolinko [mailto:knst.koli...@gmail.com]
> Sent: Tuesday, March 09, 2010 11:38 AM
> To: Tomcat Users List
> Subject: Re: Commons DBCP in Tomcat 6.x
>
> 2010/3/9 Dhiren Bhatia <dhiren.for...@gmail.com>:
> > Hi,
> >
> > I'm trying to use the commons DBCP package with Tomcat 6.x. I know
> > that the tomcat_dbcp.jar has the commons files renamed, however I
> > would prefer to use the commons jar files so I can use the class
> > org.apache.commons.dbcp.BasicDataSource in my code.
> >
> > To do this, I deleted the tomcat_dbcp.jar file from CATALINA_HOME/lib
> > and replaced it with the commons jar file. I assumed that the class
> > loader would pick it up like it did in the earlier version of tomcat
> > but that doesn't seem to happen. I still get an ClassCastException
> > since tomcat tries to cast the org.apache.commons.dbcp.BasicDataSource
> > to org.apache.tomcat.dbcp.dbcp.BasicDataSource.
> >
> > Is there any way I can force Tomcat 6.x to load my commons dbcp jar
> > instead of the tomcat_dbcp.jar which comes with the distro?
> >
>
> 1. How is your <Resource> is defined. Please show us (remove any
> passwords).
> Note, that you have to specify className="..." explicitly.
>
> 2. What, exactly, stack trace you are getting?
>
> Best regards,
> Konstantin Kolinko
>
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