Failed to trigger db2 environment(DB21018E A system error occurred) from non-instance user

Troubleshooting

Problem

When try to use a non-instance user to trigger db2 environment and execute db2 command, it failed with following error


su - testuser

. /home/db2inst1/sqllib/db2profile

db2
DB21018E A system error occurred. The command line processor could not continue processing.

db2 connect to sample
DB21018E A system error occurred. The command line processor could not continue processing.

Nothing special recorded in db2diag.log.

Document Location

Worldwide

[{"Type":"MASTER","Line of Business":{"code":"LOB10","label":"Data and AI"},"Business Unit":{"code":"BU058","label":"IBM Infrastructure w\/TPS"},"Product":{"code":"SSEPGG","label":"Db2 for Linux, UNIX and Windows"},"ARM Category":[{"code":"a8m500000008PmAAAU","label":"Install\/Migrate\/Upgrade-\u003EInstance"}],"ARM Case Number":"","Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"All Versions"}]

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Document Information

More support for:
Db2 for Linux, UNIX and Windows

Component:
Install/Migrate/Upgrade->Instance

Software version:
All Versions

Document number:
7001523

Modified date:
01 May 2025

UID

ibm17001523

IBM Support

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