ORA-00603 ORA-03106 Errors in DB Link Connections in Oracle 12.2 Databases

When connecting to Oracle 12.2 databases from different databases with db link, reco process terminates unexpectedly. This problem is caused by bug 27544973. In order to avoid the problem, either patch 27544973 should be applied or the “_db_link_sources_tracking” parameter should be set to FALSE as follows. The database must be restarted when the parameter is changed.

The errors in the database alertSID.log file are as follows.

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Author: dbtut

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One comment

  1. This helped a lot. Thanks for the post

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