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Scheduler Functionality Outages For Brief Periods Throughout The Day Citing SDO Object Errors (Doc ID 2393492.1)

Last updated on MAY 01, 2018

Applies to:

Oracle Utilities Mobile Workforce Management - Version 2.1.0.6 to 2.3.0.2.0 [Release 2.1 to 2.3]
Oracle Real-Time Scheduler - Version 2.1.0.6 to 2.3.0.2.0 [Release 2.1 to 2.3]
Information in this document applies to any platform.

Symptoms

Users are reporting scheduler outages for ~10 minutes at a time, several times a day.  After this period, functionality ios restored on it's own and normal operation continues.

Here we see a gap of ten minutes in the TPW logs:


Customer confirmed that all Spatial DB objects are valid using, 'Oracle Locator / Oracle Spatial Health Check (Doc ID 800725.1)'.

Customer confirmed setting as discussed in, 'Doc ID 1627191.1 - Creating spatial index with SDO_DML_BATCH_SIZE=1 ON EMPTY TABLE FAILS 11.2.0.4 > 12.1.0.2' / 'Doc ID 2026577.1 - MWM v2 Stuck Threads Due To SDO_DML_BATCH_SIZE'

Scheduler SMAuto logs do not show a process crash.

Customer applied Oracle Patch 18146463 to 11.2.0.4 Oracle database homes in production but the issue remains.

Changes

The client recently performed a DB upgrade from 11.2.0.3 to 11.2.0.4.

The error messages point to an issue with Spatial index. Using the following references, the customer dropped and recreated the spatial indexes though this did not resolve the issue:
Doc ID 1908389.1 - 11.2.0.3 to 11.2.0.4 SE Oracle Locator upgrade fails on Linux X86-84
Doc ID 1418651.1 - EXPDP Raises EXP-00078 For A Spatial Index, Rebuilding The Index Fails With ORA-13209

 

Cause

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