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MySQL Server Crash with Exception Code 0xc0000005
Posted by: Mahesh Mahawar
Date: August 17, 2023 08:02PM

Hello MySQL community,

I'm encountering a persistent issue with my MySQL server crashing unexpectedly, and I'm seeking assistance in diagnosing and resolving this problem. The server crash is accompanied by the exception code 0xc0000005, which I believe is an access violation error. I've included relevant details about the issue below:

Description:

MySQL Server Version: 8.0.34
Operating System: Windows Server
Issue: MySQL server crashes intermittently with the exception code 0xc0000005.
Crash Trigger: MySQL Innodb Cluster
Error Message:

mysqld got exception 0xc0000005 ;
Most likely, you have hit a bug, but this error can also be caused by malfunctioning hardware.
Thread pointer: 0x1ac4e52a2a0
Attempting backtrace. You can use the following information to find out
where mysqld died. If you see no messages after this, something went
terribly wrong...
7ff9edc62533 group_replication.dll!???
7ff9edc67d37 group_replication.dll!???
7ff9edc61f8b group_replication.dll!???
7ff9edc65999 group_replication.dll!???
7ff6e9ddcff9 mysqld.exe!?my_init_dynamic_array@@YA_NPEAUDYNAMIC_ARRAY@@IIPEAXII@Z()
7ff6e984ac0c mysqld.exe!?my_thread_self_setname@@YAXPEBD@Z()
7ffa10fa1bb2 ucrtbase.dll!_configthreadlocale()
7ffa122e7614 KERNEL32.DLL!BaseThreadInitThunk()
7ffa132e26b1 ntdll.dll!RtlUserThreadStart()

Trying to get some variables.
Some pointers may be invalid and cause the dump to abort.
Query (0):
Connection ID (thread ID): 21
Status: NOT_KILLED

Steps Taken:

I've checked the MySQL bug reports and forums, but I couldn't find a similar reported issue.
I've upgraded MySQL to the latest stable version [Version number], but the issue persists.
I've run hardware diagnostics to ensure there are no hardware malfunctions.
Configuration:

I've reviewed my MySQL configuration files and ensured that recommended settings are in place.
I'm not using any custom code, plugins, or extensions that could be causing the crash.

Troubleshooting:

I've tried reproducing the issue in a controlled environment, but the crash seems to occur randomly.
I'm looking for guidance on how to diagnose the root cause of the crash and potential solutions.
Request:
I kindly request the assistance of the MySQL community in helping me troubleshoot and resolve this issue. If you've encountered a similar problem or have expertise in debugging MySQL crashes, I would greatly appreciate any insights, suggestions, or steps I should take to further investigate and resolve this issue.

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MySQL Server Crash with Exception Code 0xc0000005
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August 17, 2023 08:02PM


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