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ORA-7445 [evaopn2] On Query Involving Remote Tables (Doc ID 362628.1)

Last updated on FEBRUARY 20, 2019

Applies to:

Oracle Database - Enterprise Edition - Version 9.2.0.7 and later
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
Information in this document applies to any platform.

Symptoms

Query on remote table fails with the internal error

    ORA-07445: exception encountered: core dump [unknown] [SIGSEGV] [Address not mapped to object] [0x000000000]

Explain plan confirms that there is nested loop join with remote row source.

The failing statement is: SELECT involving remote tables.

Call Stack:
  evaopn2, qerrmStart, qerjoFetch, qerflFetchOutside, qeruaFetch, qergsFetch, kpofrws, opifch2, opiall0, kpoal8,
  opiodr, ttcpip, opitsk, opiino, opiodr, opidrv


Cause

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In this Document
Symptoms
Cause
Solution
References

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