Hi Petr,
thanks for your answer. That exactly the configuration I have. But after
playing around I got success by removing the line
<Listener className="org.apache.catalina.core.AprLifecycleListener" />
from the server.xml. Even I don't know what it means ;)
Lothar
"Tomcat Users List" <users@tomcat.apache.org> schrieb am 31.01.06 17:55:29:
>
> Hi,
>
> I have the following problem. I found this solution:
>
> There is in the server.xml the Resource tag describing your
> dataSource. Move this element into the Context element in the same xml
> file (at the bottom).
>
> See http://tomcat.apache.org/tomcat-5.5-doc/jndi-resources-howto.html
> section `JDBC Data Sources'
>
> Have a nice time
>
> PETR
>
>
> On 1/31/06, Lothar Krenzien <[EMAIL PROTECTED]> wrote:
> > Hi,
> >
> > after switching from Tomcat 5.5.9 to 5.5.15 I get the following error :
> >
> > 2006-01-31 16:43:38,130 [INFO ] QueryLogger.*** error.
> > org.apache.tomcat.dbcp.dbcp.SQLNestedException: Cannot create JDBC driver
> > of class '' for connect URL 'null'
> > at
> > org.apache.tomcat.dbcp.dbcp.BasicDataSource.createDataSource(BasicDataSource.java:780)
> > at
> > org.apache.tomcat.dbcp.dbcp.BasicDataSource.getConnection(BasicDataSource.java:540)
> > at
> > org.objectstyle.cayenne.access.DataNode.performQueries(DataNode.java:298)
> > at
> > org.objectstyle.cayenne.access.DataDomainQueryAction.performQuery(DataDomainQueryAction.java:107)
> > at
> > org.objectstyle.cayenne.access.DataDomain.performQueries(DataDomain.java:643)
> > at
> > org.objectstyle.cayenne.access.DataContext.performQueries(DataContext.java:1100)
> > at
> > org.objectstyle.cayenne.access.Transaction.performQueries(Transaction.java:207)
> > at
> > org.objectstyle.cayenne.access.DataContext.performQueries(DataContext.java:1068)
> > at
> > org.objectstyle.cayenne.access.DataContextSelectAction.performQuery(DataContextSelectAction.java:173)
> > at
> > org.objectstyle.cayenne.access.DataContextSelectAction.performQuery(DataContextSelectAction.java:93)
> > at
> > org.objectstyle.cayenne.access.DataContext.performQuery(DataContext.java:1200)
> > at com.sr2.back.dao.UserDAO.getAvailableRoles(UserDAO.java:168)
> > ....
> >
> > Caused by: java.sql.SQLException: No suitable driver
> > at java.sql.DriverManager.getDriver(DriverManager.java:243)
> > at
> > org.apache.tomcat.dbcp.dbcp.BasicDataSource.createDataSource(BasicDataSource.java:773)
> >
> >
> > I have copied the settings and libraries from the old (5.5.9) tomcat
> > version to the new (5.5.19) version. And there *is* a JDBC driver in the
> > commons/lib dir. I'm not sure is it a tomcat or cayenne problem. So I will
> > post it here and in the cayenne group. But database access seems to work
> > anyway. Additionally I've just realized that the UserDAO class is called
> > twice and the second one it works without an error. So where does Tomcat
> > searching for the database ? Normally it should passed per JNDI.
> >
> >
> > Thanks, Lothar
> > ______________________________________________________________________
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> >
>
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