title: Oracle 11gR2 on Aix listner will not start
body: <p>I have created a new Oracle instance on the Aix server.  Database is running fine, but my listener would not start.  I got the following errors in the listener log:</p>
  
  <pre><code>&lt;msg time='2012-09-26T17:33:17.304-07:00' org_id='oracle' comp_id='tnslsnr'
   type='UNKNOWN' level='16' host_id='xxxxx111'
   host_addr='000.00.0.111'&gt;
   &lt;txt&gt;TNS-12546: TNS:permission denied
   TNS-12560: TNS:protocol adapter error
    TNS-00516: Permission denied
     IBM/AIX RISC System/6000 Error: 2: No such file or directory
   &lt;/txt&gt;
  &lt;/msg&gt;
  </code></pre>
  
  <p>When I tried to start the listener, i got the following error:</p>
  
  <pre><code>lsnrctl start
  
  LSNRCTL for IBM/AIX RISC System/6000: Version 11.2.0.3.0 - Production on 26-SEP-2012 17:38:17
  
  Copyright (c) 1991, 2011, Oracle.  All rights reserved.
  
  Starting /oracle/QI1/112_64/bin/tnslsnr: please wait...
  
  TNSLSNR for IBM/AIX RISC System/6000: Version 11.2.0.3.0 - Production
  System parameter file is /oracle/QI1/112_64/network/admin/listener.ora
  Log messages written to /oracle/QI1/saptrace/diag/tnslsnr/xxxxxx/listener/alert/log.xml
  Error listening on: (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=xxxxxxx.na.xxxxx.com)(PORT=1521)))
  TNS-12542: TNS:address already in use
   TNS-12560: TNS:protocol adapter error
    TNS-00512: Address already in use
     IBM/AIX RISC System/6000 Error: 67: Address already in use
  
  Listener failed to start. See the error message(s) above...
  </code></pre>
  
  <p>Any help would be greatly appreciated!</p>