B4J Question MySQL prepared statements and memory leaks

Try
        rs = ASQL.ExecQuery2(SQLQuery,Array As String(aZone,aSeqDtTm))
        Do While rs.NextRow
           ZMesg = "Z;" & rs.GetInt("ZONE") & ";" & rs.GetInt("SEQ") & ";NA;NA"
           CallSubDelayed3(PushShared, "SendWebClientMessage",ZMesg,rs.GetString("CD_STATION"))
        Loop
        rs.Close
    Catch
        If rs.IsInitialized Then rs.Close
        Log("Error AnnZone: " & LastException)
    End Try

Public oPool As ConnectionPool  '(Created in the main module)
oPool.Initialize(DriverClass, JdbcUrl, DBUser, DBPassword)

Public Sub GetZoneAnnounce
     Dim OSQL As SQL = oPool.GetConnection

     AnnounceZone(OSQL,SomeVar)  'This Sub has the ASQL object

     OSQL.Close
End Sub

Dim OSQL As SQL = opool.GetConnection
Try
 ...
Catch
 Log("Error: " & LastException)
End Try
OSQL.Close