Hi All:
In my EJB ,I
can't get a connection through the PoolConnection.Follwing is fragment
of EntityBean/config.xml/ejb-jar.xml/weblogic-ejb-jar.xml.Pls help me!
your help would be appreciated!
In bean codes,The NullPointerException
will be thrown when I invoke the
getConnection method.Maybe I can find
the JNDIName
of DataSource .Why?-------java
code--------env.put(Context.PROVIDER_URL,"t3://localhost:80");
ctx=new InitialContext(env);
ds=(DataSource)ctx.lookup("java:comp/env/jdbc/TXDataSource")--------config.xml-----<JDBCConnectionPool
DriverName="com.microsoft.jdbc.sqlserver.SQLServerDriver"
InitialCapacity="20" LoginDelaySeconds="1"
MaxCapacity="50" naame="TestPool"
change to name
and see
URL="jdbc:microsoft:sqlserver://192.168.0.246:1433"/>-------web.xml-----<resource-ref>
<description
/>
<res-ref-name>jdbc/TXDataSource</res-ref-name>
<res-type>javax.sql.DataSource</res-type>
<res-auth>Container</res-auth>
</resource-ref>-------ejb-jar.xml-----<entity>
<resource-ref>
<description />
<res-ref-name>jdbc/TXDataSource</res-ref-name>
<res-type>javax.sql.DataSource</res-type>
<res-auth>Container</res-auth>
</resource-ref>
</entity>------weblogic-ejb-jar.xml------------<weblogic-enterprise-bean>
<ejb-name>StyleBean</ejb-name>
<reference-descriptor>
<resource-description>
<res-ref-name>jdbc/TXDataSource</res-ref-name>
<jndi-name>MyDataSource</jndi-name>
</resource-description>
</reference-descriptor>
<jndi-name>StyleBean</jndi-name>
</weblogic-enterprise-bean>------------------------exception
fragmentjava.lang.NullPointerException
at com.sabrina.ejb.StyleBean.getConnection(StyleBean.java:341)
at com.sabrina.ejb.StyleBean.ejbCreate(StyleBean.java:55)
at =
com.sabrina.ejb.StyleBean_81hvkv_Impl.ejbCreate(StyleBean_81hvkv_Impl..............
|
