SNAX/APN Application Programming Manual

Handling Errors in SNAX/APN Applications

SNAX/APN Application Programming Manual—420111-001

B-8

SNA Environment Errors

These errors occur when there is some permanent link or node failure condition in the

SNA portion of the network. Table B-4 lists SNA environment error codes.

SNA Logical Errors

These errors occur when the application’s input to the access method violates the

interface or certain SNA protocols. Table B-5 lists SNA logical error codes.

Table B-3. Data Integrity Errors

Hex Value Description

0C01 TERMINAL NOT USABLE OR POWERED OFF.

0C07 SESSION RECOVERY IN PROGRESS. Contact with the logical unit has been

lost and a request was issued after session recovery has been initiated.

0C09 DEVICE OFFLINE. The device has been (or is in the process of being)

deactivated by the operator.

0C0B REQUEST CANCELED. The session has been terminated.

Table B-4. SNA Environment Errors

Hex Value Description

1005 PERMANENT CHANNEL OR LINE FAILURE.

1009 UNCONDITIONAL TERMINATE RECEIVED. The logical unit has sent an

unconditional TERM-SELF command or a character-coded LOGOFF request.

Table B-5. SNA Logical Errors

Hex Value Description

141E INVALID DATA OR LENGTH. The application requested an input operation

and either supplied an input address that is beyond the addressable range of the

application, or indicated that the work area length is 0.

1441 DATA TRAFFIC NOT ALLOWED. The application attempted to output to a

logical unit that was not in a proper state due to an SDT command that has not

been set, a CLEAR operation that is in progress, a BIND that has not been

received or replied to, an encryption key request that is pending, or an UNBIND

response that is pending.

1448 REDUNDANT CLEAR OR INVALID SESSION CONTROL COMMAND.

The application attempted to send a CLEAR command on the session, but no

SDT command has been sent.

1453 LOGICAL UNIT NOT FOUND. The name supplied is not known as a

SNAX/APN network logical unit.

145D SESSION TERMINATION INVALID. The application attempted to terminate

a nonexistent session.