title: Oracle TNS problems?
body: <p>I have an error ? My pl/Sql Developer says my oracle database cannot find the service descriptor But when I Do a check the listener I get this error.</p>
  
  <pre><code>LSNRCTL&gt; start
  Starting tnslsnr: please wait...
  
  Service OracleOraDb10g_home1TNSListener already running.
  TNS-12560: TNS:protocol adapter error
   TNS-00530: Protocol adapter error
  
  
  
  LSNRCTL&gt; status
  Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP
  TNS-12541: TNS:no listener
   TNS-12560: TNS:protocol adapter error
    TNS-00511: No listener
     32-bit Windows Error: 61: Unknown error
  </code></pre>
  
  <p>the content of my listener.ora is </p>
  
  <pre><code>SID_LIST_LISTENER =
    (SID_LIST =
      (SID_DESC =
        (GLOBAL_DBNAME = Oracle10g)
        (ORACLE_HOME = D:\oracle\product\10.2.0\db_1)
        (SID_NAME = ORCL)
      )
    )
  
  LISTENER =
    (DESCRIPTION =
      (ADDRESS = (PROTOCOL = TCP)(HOST = localhost)(PORT = 1521))
    )
  </code></pre>
  
  <p>and 
  the tnsnames.ora content is this</p>
  
  <pre><code># tnsnames.ora Network Configuration File: D:\oracle\product\10.2.0\db_1\NETWORK\ADMIN\tnsnames.ora
  # Generated by Oracle configuration tools.
  
  VMOBILE =
    (DESCRIPTION =
      (ADDRESS_LIST =
        (ADDRESS = (PROTOCOL = TCP)(HOST = localhost)(PORT = 1521))
      )
      (CONNECT_DATA =
        (SERVICE_NAME = orcl)
      )
    )
  
  VMOBILEMASTER =
    (DESCRIPTION =
      (ADDRESS_LIST =
        (ADDRESS = (PROTOCOL = TCP)(HOST = localhost)(PORT = 1521))
      )
      (CONNECT_DATA =
        (SERVICE_NAME = ORCL)
      )
    )
  
  ORCL =
    (DESCRIPTION =
      (ADDRESS_LIST =
        (ADDRESS = (PROTOCOL = TCP)(HOST = localhost)(PORT = 1521))
      )
      (CONNECT_DATA =
        (SERVER = SHARED)
        (SERVICE_NAME = ORCL)
      )
    )
  
  EXTPROC_CONNECTION_DATA =
    (DESCRIPTION =
      (ADDRESS_LIST =
        (ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC1))
      )
      (CONNECT_DATA =
        (SID = PLSExtProc)
        (PRESENTATION = RO)
      )
    )
  </code></pre>
  
  <p>Please I have a deadline for these evening. Please help.</p>