I have an web application that is looking up DataSource's like they are
provided in Tomcat[1]
The app tries to look them up like this:
Context initCtx = new InitialContext();
Context envCtx = (Context) initCtx.lookup("java:comp/env");
DataSource ds = (DataSource)envCtx.lookup("jdbc/MyDS");
I have not managed to get this code working with JBoss 2.4.4-Tomcat. It
keeps saying:
javax.naming.NamingException: Could not dereference object. Root
exception is java.lang.NullPointerException
at org.jnp.interfaces.NamingContext.lookup(NamingContext.java:418)
at org.jnp.interfaces.NamingContext.lookup(NamingContext.java:333)
[...]
My mbean looks like this:
<mbean code="org.jboss.jdbc.JDBCDataSourceLoader"
name="DefaultDomain:service=JDBCDataSource,name=jdbc/MyDS">
<attribute name="PoolName">jdbc/MyDS</attribute>
<attribute
name="DataSourceClass">org.gjt.mm.mysql.MysqlDataSource</attribute> ...
I can change the code above to
DataSource ds = (DataSource)initCtx.lookup("java:/jdbc/MyDS");
and it will work. So, the problem narrows down to some JNDI magic!?
Sven....
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