MQ AMQ9208__AMQ9208

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11/19/14 15:08:51 - Process(29622396.1) User(mqm) Program(runmqchl_nd)
                    Host(midcup1)
AMQ9208: Error on receive from host 10.171.16.4(1418).

EXPLANATION:
An error occurred receiving data from 10.171.16.4(1418) over TCP/IP. This may
be due to a communications failure.
ACTION:
The return code from the TCP/IP read() call was 73 (X'49'). Record these values
and tell the systems administrator.
----- amqccita.c : 3434 -------------------------------------------------------
11/19/14 15:08:51 - Process(29622396.1) User(mqm) Program(runmqchl_nd)
                    Host(midcup1)
AMQ9999: Channel program ended abnormally.

EXPLANATION:
Channel program 'FS_330723_CZSH_DATA' ended abnormally.
ACTION:
Look at previous error messages for channel program 'FS_330723_CZSH_DATA' in
the error files to determine the cause of the failure.
----- amqrccca.c : 921 --------------------------------------------------------
11/19/14 15:23:51 - Process(54853774.1) User(mqm) Program(runmqchl_nd)
                    Host(midcup1)
AMQ9002: Channel 'FS_330723_CZSH_DATA' is starting.

EXPLANATION:
Channel 'FS_330723_CZSH_DATA' is starting.
ACTION:
None.
-------------------------------------------------------------------------------


现象:
通道状态retrying ,断开后又能连上。

初步分析原因:


我分析：路由器的NAT转换是有有效期的，默认是5分钟，如果5分钟没数据经过，原有的转换条目失效，就是重新转换，重新转换时，数据包的源端口会变掉，可能导致对方服务器认为是一个新的连接。而旧连接还没释放，导致连接失败

初步估计是通道断开后，我们发起新的连接请求，但通道接收方却在死等着原来的通道连接，于是我们这边就报错了