oracle 日志问题。

在$ORACLE_HOME/network/log监听日志中，

WARNING: Subscription for node down event still pending

设置listener.org：SUBSCRIBE_FOR_NODE_DOWN_EVENT_LISTENER=OFF

Fatal NI connect error 12170.

  VERSION INFORMATION:
  TNS for Linux: Version 10.2.0.4.0 - Production
  TCP/IP NT Protocol Adapter for Linux: Version 10.2.0.4.0 - Production
  Time: 03-JAN-2010 01:23:10
  Tracing not turned on.
  Tns error struct:
  ns main err code: 12535
  TNS-12535: Message 12535 not found; No message file for product=network, facility=TNS
  ns secondary err code: 12560
  nt main err code: 505
  TNS-00505: Message 505 not found; No message file for product=network, facility=TNS
  nt secondary err code: 110
  nt OS err code: 0
  Client address: <unknown>

在sqlnet.ora增加参数：
SQLNET.INBOUND_CONNECT_TIMEOUT = 30
SQLNET.RECV_TIMEOUT = 30
SQLNET.SEND_TIMEOUT = 30
在 listener.ora 增加：
INBOUND_CONNECT_TIMEOUT_LISTENER = 30