CA Datacom Server mainframe fails to start with "DSV00119E - bind failed. errno = 1115, EDC8115I Address already in use." error message

Document ID : KB000044552
Last Modified Date : 14/02/2018
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Issue:

CA Datacom Server mainframe startup failed with errors:

DSV00119E - TCP/IP startup time limit exceeded
DSV00119E - bind failed. errno = 1115, EDC8115I Address already in use.                                                              
DSV00120E - TCP/IP startup failed see DSV00119E for cause

Environment:  

Datacom Server running on z/OS and using TCP/IP (PROTOCOL=BOTH or PROTOCOL=TCPIP)

Cause: 

The TCP port specified in TCPIP_PORT SYSIN parameter is already used by another task.

Resolution:

TCPIP_PORT must specify an unused port. Use TSO NETSTAT command to determine which task is using the selected port or to find an unused one.

Examples:

If the command NETSTAT CONN (PORT 1234 returns the following:
MVS TCP/IP NETSTAT CS V2R2       TCPIP Name: TCPIP          08:30:14
User Id  Conn     State                                             
-------  ----     -----                                             
***
     
then the port 1234 is currently unused.

If it returns:
MVS TCP/IP NETSTAT CS V2R2       TCPIP Name: TCPIP          08:34:32
User Id  Conn     State                                            
-------  ----     -----                                            
SAMPLJOB 001A805F Listen                                           
  Local Socket:   ::ffff:nnn.nnn.nn.nn..1234                       
  Foreign Socket: ::ffff:0.0.0.0..0                                 
***
                                                                 
then the port is currently used by job/STC SAMPLJOB

                                                            

Additional Information:

 

The NETSTAT command (with its parameters) can be issued from CA Sysview using XTSO command (e.g.  XTSO NETSTAT PORTLIST or XTSO NETSTAT CONN (PORT 1234 ) or via menus (MENU NETWORK then MENU NETSTAT). Running the command via CA Sysview is useful when the command returns a long list, such as a list of ports (NETSTAT CONN or NETSTAT ALLCONN), as CA Sysview produces a list that can be scrolled up and down and can be searched for specific strings (e.g. the port number), while the list produced by the native TSO command cannot.