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OLON Crashes With Windows 32 bit 18.3 client (Doc ID 2669265.1)

Last updated on MAY 15, 2020

Applies to:

Oracle Database - Enterprise Edition - Version 18.3.0.0.0 to 19.7.0.0.0 [Release 18 to 19]
Information in this document applies to any platform.

Symptoms

18.3 OCI program (using OLON) running on Windows 32 bit crashes as below

The debugger's call stack shows:

APP01! 77c2e383()
OCIW32! 6a364f53()
OCIW32! 6a363119()
OCIW32! 6a361179()
APP01! 77c34145()
APP01! 77c33fe2()
_heap_alloc_base(unsigned int 4096) line 200
_nh_malloc_dbg(unsigned int 1, int 32450856, int 24, const char * 0x00000018,
int 4344416) line 248 + 21 bytes
_flush(_iobuf * 0x0019ff40) line 162 + 23 bytes
_ftbuf(int 1, _iobuf * 0x00424a60) line 171 + 9 bytes
printf(const char * 0x00000000) line 62 + 14 bytes
ffffffff()

The top line with address 77c2e383 is in NTDLL.DLL, function

RtlEnterCriticalSection This was called with a NULL pointer.

OCI code works fine if OCI.DLL is used.
Issue started after 18.3.

Changes

 Upgraded to 18.3

Cause

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In this Document
Symptoms
Changes
Cause
Solution
References


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