Description of problem:
After changing the backend from a local OracleXE to a remote Postgresql rhn-search stopped working.

Although all spacewalk services work correctly with this backend, rhn-search daemon is unable to connect to the database.

This is the stack trace in the /var/log/rhn/search/rhn_search.log
[2012-06-28 17:04:33,273] ERROR - Caught exception: 
org.postgresql.util.PSQLException: Connection refused. Check that the hostname and port are correct and that the postmaster is accepting TCP/IP connections.
        at org.postgresql.core.v3.ConnectionFactoryImpl.openConnectionImpl(ConnectionFactoryImpl.java:136)
        at org.postgresql.core.ConnectionFactory.openConnection(ConnectionFactory.java:66)
        at org.postgresql.jdbc2.AbstractJdbc2Connection.<init>(AbstractJdbc2Connection.java:125)
        at org.postgresql.jdbc3.AbstractJdbc3Connection.<init>(AbstractJdbc3Connection.java:30)
        at org.postgresql.jdbc3g.AbstractJdbc3gConnection.<init>(AbstractJdbc3gConnection.java:22)
        at org.postgresql.jdbc3g.Jdbc3gConnection.<init>(Jdbc3gConnection.java:24)
        at org.postgresql.Driver.makeConnection(Driver.java:393)
        at org.postgresql.Driver.connect(Driver.java:267)
        at java.sql.DriverManager.getConnection(DriverManager.java:620)
        at java.sql.DriverManager.getConnection(DriverManager.java:200)
...
I can send the rest of the stack if required

After some digging, I saw that the daemon tries to connect to a postgresql server on localhost, effectively ignoring the db_host parameter on /etc/rhn/rhn.conf to build the java connection URL

As a workaround I setup a xinetd server to redirect that port to the remote server and the daemon now works correctly.

Is it possible that this is a bug on rhn-search package?

Version-Release number of selected component (if applicable):


How reproducible:
Always 

Steps to Reproduce:
1. Install a remote postgresql database
2. Perform any search on spacewalk
3.
  
Actual results:
Fails to search, writes a traceback on the log

Expected results:
Correct search results

Additional info: