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19c ODBC Driver Cause Memory Leak When Connecting to 19c DB (Doc ID 2765825.1)

Last updated on APRIL 05, 2021

Applies to:

Oracle ODBC Driver - Version 19.1.0.0.0 and later
Microsoft Windows x64 (64-bit)
Microsoft Windows (32-bit)

Symptoms

After upgrading both client and database to 19c, a memory leak is observed on an ODBC application which repeatedly connects and disconnects from the database.
DebugDiag can report the following function can cause a memory leak of 1.33 MBytes by 1001 allocations in 1000 loop for connecting and disconnecting.


An OCI application doesn't show a memory leak.

This problem occurs on Windows platform only, not on Linux platform.


Changes

After upgrading both client and database to 19c on Windows Platform. 

Cause

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In this Document
Symptoms
Changes
Cause
Solution
References


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