getLogger().error( "failed to expire client key " + a_key + " encountered exception: " + a_failure.getMessage() ) ;
if ( getLogger().isErrorEnabled() ) { getLogger().error( "failed to expire client key " + a_key + " encountered exception: " + a_failure.getMessage() ) ; }
    public void failedToExpire( ClientKey a_key, IOException a_failure )    {        getLogger().error( "failed to expire client key " + a_key                 + " encountered exception: " + a_failure.getMessage() ) ;    }