![]() An FFST file has been generated containing the invalid data received.ĪMQ9492: The TCP/IP responder program encountered an error.ĮXPLANATION: The responder program was started but detected an error.ĪCTION: Look at previous error messages in the error files to determine the error encountered by the responder program. It may be that an unknown host is attempting to send data. Probe ID CO052000 Major Errorcode rrcE_BAD_DATA_RECEIVEDĪ sample of the errors in the error log of the queue manager is:ĪMQ9207: The data received from host 'x (1.2.3.4)' is not valid.ĮXPLANATION: Incorrect data format received from host 'x (1.2.3.4)' over TCP/IP. Note: when you test this method to a MQ server, the queue manager will dump errors in its error log and an informational FDC, since the data coming in over the communication is not MQ formatted data. This test only proves that an application is listening at the specified port and you can get to it. Pressing CTRL-] will exit to the telnet and you can enter 'quit' to exit telnet. If you see a blank window with a blinking cursor, you are connected. If there is no listener running at the specified port, then you will get an error "Connect failed", such as:Ĭonnecting To .com.Could not open connection to the host, on port 1414: Connect failed Note your MQ server's IP address and the port number the listener is listening on from step 1. ![]() Most telnet clients take the server IP address and the port number as two consecutive options. Some are easier to use (such as Jping, Putty) however, since most users already have Telnet installed on a client machine, Telnet will be explored as a tool for testing connectivity in this Technote. NOTE: There are many other utilities for testing port availability. Ping is like calling a phone number and hearing the ringtone at the other end Telnet is like calling a phone number and someone picking up and answering. Also, Telnet is much more thorough in its method of connectivity. This is because Telnet tests for connectivity over a specific port, whereas the Ping only tests for the host. Telnet ("telnetting") provides a better means of testing connectivity than "Ping". Note what port the listener is listening on, the default is port 1414. WINDOWS Note: Windows 7 does not have Telnet enabled by default.ġ) Make sure you have a Queue manager running and a Listener running on the MQ server. This same method is used for many services which listen on TCP/IP. You can use the tool "telnet" to determine whether a TCP/IP connection problem is due to a network issue.
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