# Hercules Version 3: System Messages: CA - Communication Adapter

This page describes the Communication Adapter emulation messages for the Hercules S/370, ESA/390, and z/Architecture emulator.

### Messages

`HHCCA001I CCUU:Connect out to ipaddr:port failed during initial status : System Cause Text`
  Explanation
    HERCULES attempted to make an outgoing TCP connection to ipaddr:port, but the system indicated that there was an error while processing the request.
  System Action
    The DIAL or ENABLE CCW that caused the connection attempt ends with Unit Check and Intervention Required. The reason for the failure is indicated in the System Cause Text field
  Operator Action
    None
  Programmer Action
    Correct the RHOST/RPORT configuration statements in the configuration file. If this message occured during a program initiated DIAL, correct the dial data.
  Module
    commadpt.c
  Function
    commadpt_connout

`HHCCA002I CCUU:Line Communication thread thread id started`
  Explanation
    The thread responsible for asynchronous operations for the BSC emulated line CCUU has been started.
  System Action
    The system continues
  Operator Action
    None. This is an informational message
  Programmer Action
    None. This is an informational message
  Module
    commadpt.c
  Function
    commadpt_thread

`HHCCA003E CCUU:Cannot obtain socket for incoming calls : System Cause Text`
  Explanation
    A system error occured while attempting to create a socket to listen for incoming calls.
  System Action
    The device creation is aborted.
  Operator Action
    None.
  Programmer Action
    Check the System Cause Text for any information relating to the host system. Notify support.
  Module
    commadpt.c
  Function
    commadpt_thread

`HHCCA004W CCUU:Waiting 5 seconds for port port to become available`
  Explanation
    While attempting to reserve port port to listen to it, the system indicated the port was already being used.
  System Action
    The system waits 5 seconds and then retries the operation
  Operator Action
    Terminate the device if the port is in error
  Programmer Action
    Determine the program holding the specified port. If the port cannot be made available, use a different port.

`HHCCA005I CCUU:Listening on port port for incoming TCP connections`
  Explanation
    The system is now listening on port port for incoming a tcp connection.
  System Action
    The system continues
  Operator Action
    None. This is an informational message
  Programmer Action
    None. This is an informational message

`HHCCA006T CCUU:Select failed : System Cause Text`
  Explanation
    An error occured during a 'select' system call.
  System Action
    The BSC thread is terminated
  Operator Action
    None.
  Programmer Action
    Check the System Cause Text for any indication of where the error might come from. Notify Support.

`HHCCA007W CCUU:Outgoing call failed during ENABLE|DIAL command : System Cause Text`
  Explanation
    The system reported that a previously initiated TCP connection could not be completed
  System Action
    The I/O operation responsible for the TCP outgoing connection is ended with Unit Check and Intervention Required.
  Operator Action
    If the error indicates that the error is temporary, retry the operation.
  Programmer Action
    Check that the destination for this line is correctly configured. If the operation was a DIAL attempt, check in the application configuration or operation data.

`HHCCA008I CCUU:cthread - Incoming Call`
  Explanation
    The BSC thread has received an incoming call.
  System Action
    Depending on configuration and operational status, the call is either accepted or rejected. Eventually, an ongoign I/O operation may complete.
  Operator Action
    None. This is an informational message
  Programmer Action
    None. This is an informational message

`HHCCA009I CCUU:BSC utility thread terminated`
  Explanation
    The BSC thread has ended
  System Action
    the system continue.
  Operator Action
    Refer to any previous error message if this message was not unexpected
  Programmer Action
    Refer to any previous error message if this message was not unexpected

`HHCCA010I CCUU:initialisation not performed`
  Explanation
    The Device initialisation process has failed.
  System Action
    the system terminates or continues, depending on the reason for which the device was initialisation was initiated.
  Operator Action
    Refer to any previous error message
  Programmer Action
    Refer to any previous error message

`HHCCA011E CCUU:Error parsing Keyword`
  Explanation
    The device keyword parser found an error while parsing a known keyword.
  System Action
    The system continues. The device initialisation routine turns on a NOGO flag.
  Operator Action
    for a runtime initialisation, correct the device initialisation parameters, otherwise notify the programmer.
  Programmer Action
    For an engine initialisation, correct the device configuration parameters in the configuration file.

`HHCCA012E CCUU:Unrecognized parameter Keyword`
  Explanation
    The device keyword parser found an unknown keyword in the device parameter list.
  System Action
    The system continues. The device initialisation routine turns on a NOGO flag.
  Operator Action
    for a runtime initialisation, correct the device initialisation parameters, otherwise notify the programmer.
  Programmer Action
    For an engine initialisation, correct the device configuration parameters in the configuration file.

`HHCCA013E CCUU:Incorrect local port|remote port|local host|remote host specification value`
  Explanation
    The device initialisation routine could not correctly parse a parameter value.
  System Action
    The system continues. The device initialisation routine turns on a NOGO flag.
  Operator Action
    for a runtime initialisation, correct the device initialisation parameters, otherwise notify the programmer.
  Programmer Action
    For an engine initialisation, correct the device configuration parameters in the configuration file.

`HHCCA014E CCUU:Incorrect switched/dial specification value; defaulting to DIAL=OUT`
  Explanation
    The device initialisation routine found an incorrect DIAL value.
  System Action
    The system continues. The device initialisation routine turns on a NOGO flag.
  Operator Action
    for a runtime initialisation, correct the device initialisation parameters, otherwise notify the programmer.
  Programmer Action
    For an engine initialisation, correct the device configuration parameters in the configuration file.

`HHCCA015E CCUU:Missing parameter : DIAL=NO|IN|OUT|INOUT and LPORT|RPORT|LHOST|RHOST not specified`
  Explanation
    The device initialisation routine found that a mandatory parameter was not provided for a specific DIAL Value.
  System Action
    The system continues. The device initialisation routine turns on a NOGO flag.
  Operator Action
    for a runtime initialisation, correct the device initialisation parameters, otherwise notify the programmer.
  Programmer Action
    For an engine initialisation, correct the device configuration parameters in the configuration file.
  Note
    For DIAL=NO , LPORT, RPORT and RHOST are needed
    For DIAL=IN , LPORT is required
    For DIAL=OUT None of LPORT,LHOST,RPORT,RHOST are required
    For DIAL=INOUT, LPORT is required

`HHCCA016W CCUU:Conflicting parameter : DIAL=NO|IN|OUT|INOUT and LPORT|RPORT|LHOST|RHOST=value specified`
  Explanation
    The device initialisation routine found that a parameter was provided for a parameter that is not relevant for a specific DIAL Value.
  System Action
    The parameter is ignored. The system continues
  Operator Action
    for a runtime initialisation, correct the device initialisation parameters, otherwise notify the programmer.
  Programmer Action
    For an engine initialisation, correct the device configuration parameters in the configuration file.
  Note
    For DIAL=IN , RPORT and RHOST are ignored
    For DIAL=OUT , LPORT, LHOST, RPORT and RHOST are ignored
    For DIAL=INOUT, RPORT and RHOST are ignored

`HHCCA017I CCUU:LPORT|RPORT|LHOST|RHOST parameter ignored`
  Explanation
    The system indicates that the parameter specified is ignored. This message is preceeded by message HHCCA016W
  System Action
    The system continues
  Operator Action
    None
  Programmer Action
    None

`HHCCA018E CCUU:Bind failed : System Cause Text`
  Explanation
    While attempting to bind a socket to a specific host/port, the host system returned an uncorrectable error.
  System Action
    BSC Thread terminates
  Operator Action
    None
  Programmer Action
    Check that the LHOST parameter for this device is indeed a local IP address. Otherwise, notify support.

`HHCCA019E CCUU:BSC comm thread did not initialise`
  Explanation
    The BSC communication thread reported that it terminated while the device was initialising.
  System Action
    The device is not initialised.
  Operator Action
    Check for any previously issued error message.
  Programmer Action
    Check for any previously issued error message.

`HHCCA020E CCUU:Memory allocation failure for main control block`
  Explanation
    A memory allocation failure occured while attempting to reserve memory for the Communication Adapter control block
  System Action
    The device is not initialised.
  Operator Action
    None
  Programmer Action
    Contact support

`HHCCA021I CCUU:Initialisation failed due to previous errors`
  Explanation
    The initialisation process for device CCUU did not complete succesfully
  System Action
    The device is not initialised
  Operator Action
    None
  Programmer Action
    Refer to any previous error message

`HHCCA300D Debug Message`
  Explanation
    This is a debug message. CCW Tracing has been turned on for this device and the Line Handler issues debug messages to help diagnose interface, conformance and protocol issues.
  System Action
    The system continues
  Operator Action
    If the debug messages are no longer necessary, turn off CCW tracing (panel command : 't-CCUU').
  Programmer Action
    None

  If you have a question about Hercules, see the Hercules Frequently-Asked Questions page.

  Last updated 3 October 2003