Troubleshooting
Problem
When running db2start and db2stop locally, DB2 fails with following error: $ db2start SQL1042C An unexpected system error occurred. SQLSTATE=58004 $ db2stop SQL1042C An unexpected system error occurred. SQLSTATE=58004
Symptom
When "SQL1042C" error is encountered on db2start and db2stop, subsequently all other db2 commands (except "db2level") fail with the following:
'SQL5005C' error if the db2systm file is missing or permission issue such as:
$ db2 list db directory
SQL5005C System Error.
$ db2 get dbm cfg
SQL5005C System Error.
$ db2 list applications
SQL5005C System Error.
'SQL5055C' error if the db2systm file is corrupted/invalid such as:
$ db2 list db directory
SQL5055C The content of the database configuration file is not valid.
$ db2 get dbm cfg
SQL5055C The content of the database configuration file is not valid.
$ db2 list applications
SQL5055C The content of the database configuration file is not valid.
[{"Product":{"code":"SSEPGG","label":"Db2 for Linux, UNIX and Windows"},"Business Unit":{"code":"BU058","label":"IBM Infrastructure w\/TPS"},"Component":"Database Objects\/Config - Instance","Platform":[{"code":"PF002","label":"AIX"},{"code":"PF010","label":"HP-UX"},{"code":"PF016","label":"Linux"},{"code":"PF027","label":"Solaris"},{"code":"PF033","label":"Windows"}],"Version":"9.7;9.5;9.1","Edition":"","Line of Business":{"code":"LOB10","label":"Data and AI"}}]
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Document Information
Modified date:
30 April 2025
UID
swg21502619