Ray-
You will need to supply JDBC parameters as in this example Realm specification
in server.xml
<Realm className="org.apache.catalina.realm.JDBCRealm"
driverName="org.gjt.mm.mysql.Driver"
connectionURL="jdbc:mysql://localhost/authority"
connectionName="D" connectionPassword="******"
userTable="users" userNameCol="user_name" userCredCol="user_pass"
userRoleTable="user_roles" roleNameCol="role_name" />
M-
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----- Original Message -----
From: "Ray Madigan" <[EMAIL PROTECTED]>
To: "Tomcat Users List" <users@tomcat.apache.org>
Sent: Tuesday, January 16, 2007 7:02 PM
Subject: RE: Cannot create JDBC driver
> Well,
>
> I have to apologize, I was unsure of how much information on the setup
> environment was needed?
>
> I deploy the application from a war file. When I delete the war file from
> the webapps directory and leave only the previously extracted directory the
> servlet can create the DataSource. If I leave the war file in place the
> servlet cannot create the DataSource.
>
> Thanks
>
> -----Original Message-----
> From: Caldarale, Charles R [mailto:[EMAIL PROTECTED]
> Sent: Tuesday, January 16, 2007 2:00 PM
> To: Tomcat Users List
> Subject: RE: Cannot create JDBC driver
>
>
>> From: Ray Madigan [mailto:[EMAIL PROTECTED]
>> Subject: RE: Cannot create JDBC driver
>>
>> An interesting twist to the situation is that if I delete
>> the war file in webapps the Exception does not occur and
>> the application works.
>
> What war file? You did not mention any in the first message.
>
>> Also, the context.xml is not copied, so I suspect it doesn't
>> need to be.
>
> The context.xml file is only copied when a .war is expanded; if you have
> both [appname].war and an [appname] directory, things might be a bit
> confused.
>
>> What causes the application to operate differently when the
>> war file is present then when it isn't?
>
> Sounds like you had both the .war and the expanded app under your
> appBase directory. If they weren't identical, there may have been some
> kind of conflict between them.
>
>> <Context path="/Library" docBase="Library"
>
> It's an error to specifiy the path or docBase attributes when your
> <Context> element is in META-INF/context.xml; doing so has been known to
> result in erratic behavior in some levels of Tomcat.
>
> - Chuck
>
>
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