Hi!
I have two instances of the same application running on one tomcat4 server.
The only difference is, that they use a different database. The
applications have different names of course. My webapps dir looks like that:
webapp1 <dir>
webapp1.xml
webapp2 <dir>
webapp2.xml
The idea is to define the Data Source with the same name in the XML file:
<Resource name="jdbc/mydb" ...> but referencing different dbs using
different JDBC-URLs in the <ResourceParams> section.
The problem is that tomcat doesn't like the same name for those two
datasource resource defs. I get
java.lang.reflect.InvocationTargetException
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at
[...]
at org.apache.catalina.startup.Bootstrap.main(Unknown Source)
Caused by: java.lang.ClassCastException
at
org.apache.catalina.core.NamingContextListener.createSubcontexts(Unknown
Source)
:
[...]
in catalina.out when starting tomcat. webapp1 works but webapp2 not,
instead I get:
java.sql.SQLException: Cannot load JDBC driver class 'null'
at
org.apache.commons.dbcp.BasicDataSource.createDataSource(BasicDataSource.java:529)
at
org.apache.commons.dbcp.BasicDataSource.getConnection(BasicDataSource.java:312)
[...]
But I think that <Resource> should be local to each <Context> (XML-file),
shouldn't it?
You see, I don't want to change the resource name for webapp2, because I
want to use the exact same code for both, and more instances than two are
coming for this application. Any solutions??
cu,
boris
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