Spring is losing connection to the DB and does not recover or reconnect

Question

I have a spring-boot application on the same host as the Maria DB and both are running fine for some time. But between 12 hours and 2 days it seems that the spring boot appl

Answer 1

Spring (3) boot settings for hibernate and oracle:

spring.datasource.test-on-borrow=true

spring.datasource.validation-query=select 1 from dual

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