Hello, I try upgrade Percona Cluster from 56-5.6.30-25.16.3 to 57-5.7.14-26.17.1 like in this guide https://www.percona.com/doc/percona-…ade_guide.html. I stock on step 7. When i try mysql_uprade got error
# mysql_upgrade Checking if update is needed. Checking server version. Running queries to upgrade MySQL server. mysql_upgrade: [ERROR] 1243: Unknown prepared statement handler (stmt) given to EXECUTE
# mysql_upgrade --version mysql_upgrade Ver 2.0 Distrib 5.7.14-8, for Linux (x86_64)
It’s only one database on this server. I try this two time on other test servers and result was same. Default config after install on Centos 7 (My normal config don’t work too).
Its something wron with my database, or server?