Data Pump Import Fails with ORA-31671 and ORA-600 [kwrsess: 1] (Doc ID 2197916.1)

Last updated on OCTOBER 27, 2016

Applies to:

Oracle Database - Enterprise Edition - Version 12.1.0.2 and later
Information in this document applies to any platform.

Symptoms

A Data Pump import fails with the following errors reported in the alert log of a 12.1.0.2 database:

ORA-31671: Worker process DW01 had an unhandled exception.
ORA-00600: internal error code, arguments: [kwrsess: 1], [1], [SYS], [KUPC$C_1_20161014140221_R], [SYS], [KUPC$C_1_20161020091931_R], [], [], [], [], [], []
ORA-06512: at "SYS.DBMS_AQ", line 180
ORA-06512: at "SYS.KUPC$QUE_INT", line 926
ORA-06512: at "SYS.KUPC$QUE_INT", line 792
ORA-06512: at "SYS.KUPC$QUE_INT", line 2090
ORA-06512: at line 1

Changes

 New installation of Oracle 12.1.0.2 with multi-tenant database.

Cause

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