Database ORA-600 / ORA-7445 Analysis , Diagnostic Repository (ADR) & Packaging (MOSC)

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ORA-7445 Exception [type: ACCESS_VIOLATION, UNABLE_TO_READ] [ADDR:0x6] [PC:0x14731B6B6, qmxtr2MrkOpn

edited Oct 25, 2017 11:10AM in Database ORA-600 / ORA-7445 Analysis , Diagnostic Repository (ADR) & Packaging (MOSC) 3 commentsAnswered ✓

Hi everyone.

During the execution of a simple query i got the "ORA-03113: end-of-file on communication channel" error.

Looking at the alert.log file i found this error:

ORA-7445 Exception [type: ACCESS_VIOLATION, UNABLE_TO_READ] [ADDR:0x6] [PC:0x14731B6B6, qmxtr2MrkOpn()+806]

that i think is the root cause of the ORA-03113

Can someone help me to solve this problem?

The oracle version is 12.1.0.2.0 on Windows 7 x64 machine

I've also create an ips package for this problem but i don't know how to send it and from where.

As additional information, if i made little changes on the the query, like change from "WHERE 1 = 1" to "WHERE 1=1" the problem does not occurs.

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