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ORA-00600 [qcspqb: nxt loop] error reported when performing mview refresh (Doc ID 2334504.1)

Last updated on AUGUST 25, 2018

Applies to:

Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Cloud Machine - Version N/A and later
Oracle Database Exadata Express Cloud Service - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Oracle Database Cloud Exadata Service - Version N/A and later
Information in this document applies to any platform.

Symptoms

Below error is reported when performing mview refresh:

ORA-00600: internal error code, arguments: [qcspqb: nxt loop], [0x7F50C2C9AF30], [0x7F50C2C9C9A0], [], [], [], [], [], [], [], [], []

The key call stack seen in error trace file:

qcspqb
qcsevw
qcsfpsq
kkmfcbsq
kkmpfcbk
qcsprfro
qcsprfro_tree
qcsprfro_tree
qcspafq
qcspqbDescendents
qcspqb
kkmdrv
opiSem
opiDeferredSem
opitca
kksFullTypeCheck

Cause

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