Last updated on MAY 05, 2017
Applies to:Oracle Database - Enterprise Edition - Version 126.96.36.199 and later
Information in this document applies to any platform.
Enabling table DDL lock fails with the ORA-00054 error
alter table test enable table lock
ERROR at line 1:
ORA-00054: resource busy and acquire with NOWAIT specified or timeout expired
There are no blocking sessions in the database.
A restart of the database, even in RESTRICT mode, does not resolve the issue.
A check of the DBA_2PC VIEWS reveals that there are pending distributed transactions to be recovered.
SELECT * FROM DBA_2PC_NEIGHBORS;
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