# Restarting server error node rejoins cluster then crashes

**URL:** <https://forums.percona.com/t/restarting-server-error-node-rejoins-cluster-then-crashes/38386>\
**Category:** Percona XtraDB Cluster\
**Created:** [June 19, 2025, 1:12pm UTC](https://forums.percona.com/t/restarting-server-error-node-rejoins-cluster-then-crashes/38386 "2025-06-19T13:12:18Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![stanlip](https://avatars.discourse-cdn.com/v4/letter/s/0ea827/32.png) [@stanlip](https://forums.percona.com/u/stanlip)\
**Post date:** [June 19, 2025, 1:12pm UTC](https://forums.percona.com/t/restarting-server-error-node-rejoins-cluster-then-crashes/38386/1 "2025-06-19T13:12:18Z")

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Has anyone seen this issue before ? the server completed to sst and allows connections after a few minutes is crashes with this error  
:  
2025-06-18T21:01:30.260384Z 19 [Note] [MY-000000] [WSREP] Synchronized with group, ready for connections  
2025-06-18T21:01:30.260414Z 19 [Note] [MY-000000] [WSREP] wsrep\_notify\_cmd is not defined, skipping notification.  
2025-06-18T21:01:30.263078Z 175368 [ERROR] [MY-000000] [Galera] Unknown writeset version: -1  
2025-06-18T21:01:30.263127Z 175368 [Note] [MY-000000] [WSREP] Initiating SST cancellation  
2025-06-18T21:01:30Z UTC - mysqld got signal 6 ;  
Most likely, you have hit a bug, but this error can also be caused by malfunctioning hardware.  
BuildID[sha1]=9b08babb531cc734c9d2b0e87fa9762b893fe484  
Server Version: 8.0.39-30.1 Percona XtraDB Cluster (GPL), Release rel30, Revision 46271a0, WSREP version 26.1.4.3, wsrep\_26.1.4.3

Thread pointer: 0x7f205000d240  
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…  
stack\_bottom = 7f13f0109bd0 thread\_stack 0x100000

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<div class="post-metadata">

**Author:** ![Abhinav\_Gupta](https://sea1.discourse-cdn.com/flex019/user_avatar/forums.percona.com/abhinav_gupta/32/6262_2.png) [@Abhinav\_Gupta](https://forums.percona.com/u/Abhinav_Gupta)\
**Post date:** [June 19, 2025, 2:52pm UTC](https://forums.percona.com/t/restarting-server-error-node-rejoins-cluster-then-crashes/38386/2 "2025-06-19T14:52:58Z")

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The important stack trace section has not been shared here. It would provide more details about the crash. Also, what exact changes are being made that require the node to perform the SST?