Here are some DB adapter tips regarding duplicate rows.

After upgrading from WebLogic 12.1.2 to 12.1.3 several of our JAX-WS enabled apps broke with the following message:

If you want to change Access Control Policies in OSB on 12.1.3 it works fine on the Quickstart, but in the regular install you will probably get into the same problem as me. Fortunately I fould the solution on MOS: Cannot open the Policy Editor due to, “Logged in role is not allowed to view/edit Access Control Policies.” (Doc ID 1963087.1)

As one of very few Sysco is now Specialized on:

If you want to use the non-XA MS Sql Driver (weblogic.jdbc.sqlserver.SQLServerDriver), you must be sure that it actually does not use XA. If not, you will get error message. The way to verify this is to go into the System MBean Browser, find your JDBCSystemResource. From EM console, you go to your domain. Then right click and select System MBean Browser.