Materialized View Refresh is Hanging With JI Contention (Doc ID 1358453.1)

Last updated on FEBRUARY 01, 2017

Applies to:

Oracle Database - Enterprise Edition - Version 11.2.0.1 and later
Information in this document applies to any platform.

Symptoms

Refresh session is waiting for enq: JI - contention.

10046 trace of the waiting refresh session shows repeating messages like the following:

WAIT #4: nam='enq: JI - contention' ela= 489125 name|mode=1246298118 view object #=78868 0=0 obj#=-1 tim=1285069467387125

Cause

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