SmiMi edited a comment on issue #7564:
URL: https://github.com/apache/shardingsphere/issues/7564#issuecomment-736984208
The same problem occurred, and it causes "DataSource health check failed".
K8s liveness probe failed with error :
{"db":{"status":"DOWN","details":{"database":"MySQL","validationQuery":"isValid()","error":"org.springframework.dao.InvalidDataAccessApiUsageException:
ConnectionCallback; isValid; nested exception is
java.sql.SQLFeatureNotSupportedException: isValid"}},"
We can never upgrade to springboot 2.3.x/springcloud Hoxton.SR5 unless this
issues is solved.
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