Troubleshooting
Problem
This document explains how to enable a Kerberos flight recorder trace.
*Note QMGTOOLS ENBKRBTRC command will perform the instructions in this document automatically. More information can be found at
Resolving The Problem
A Kerberos flight recorder trace can be useful for Kerberos problems when using DDM/DRDA®, QNTC, and other kerberized IBM® System i™ products applications.
To enable the Kerberos flight recorder for the user initializing the connection:
Note: Replace instances of <user profile> below with the user that is initializing the connection.
To enable the Kerberos flight recorder for the user initializing the connection:
Note: Replace instances of <user profile> below with the user that is initializing the connection.
| 1 | Create a home directory for the user if the user does not have one already. On the operating system command line, type the following: MKDIR '/home/<user profile>' example; '/home/hermant' Press the Enter key. |
| 2 | Create an "envar" file in /home/<user profile>. On the operating system command line, type the following: EDTF '/home/<user profile>/envar' example; '/home/hermant/envar' Press the Enter key. |
| 3 | Paste the following in the file (ensure that _EUV starts in column 1): _EUV_SVC_MSG_LOGGING=STDOUT_LOGGING _EUV_SVC_MSG_LEVEL=VERBOSE _EUV_SVC_STDOUT_FILENAME=/home/<user profile>/trace.txt _EUV_SVC_DBG_MSG_LOGGING=1 _EUV_SVC_DBG_TRACE=1 _EUV_SVC_DBG=*.9 |
| 4 |
Press F2 to Save the file.
4a. Stop and start the Host Server prestart jobs ENDPJ SBS(QUSRWRK) PGM(QSYS/QZSOSIGN) OPTION(*IMMED) STRPJ SBS(QUSRWRK) PGM(QSYS/QZSOSIGN) 4b. logoff/logon |
| 5 | Re-create the error. |
| 6 | Remove the envar file. On the operating system command line, type the following: RMVLNK '/home/<user profile>/envar' Press the Enter key. |
| 7 | Log off the 5250 session that re-created the error to release the locks on the trace.txt file. |
| 8 | FTP the flight recorder trace output from /home/<user profile>/trace.txt to a PC. Use the ASCII transfer type so that text conversion will occur. |
[{"Line of Business":{"code":"LOB57","label":"Power"},"Business Unit":{"code":"BU058","label":"IBM Infrastructure w\/TPS"},"Product":{"code":"SWG60","label":"IBM i"},"ARM Category":[{"code":"a8m0z0000000CKYAA2","label":"IBM i HTTP Server-\u003EHTTP SSO Kerberos"}],"Platform":[{"code":"PF012","label":"IBM i"}],"Version":"7.2.0","Type":"MASTER"}]
Historical Number
450304074
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Document Information
Modified date:
20 March 2024
UID
nas8N1014382