C3p0 throws "ThreadPoolAsynchronousRunner DeadlockDetector APPARENT DEADLOCK!" when using Hibernate

So, you are using both HikariCP:

and c3p0:

2018-12-18 12:12:53,089-C3P0PooledConnectionPoolManager[identityToken->2rvy5g9z1gwdhfx1x0nm6l|20ec0cdb]-AdminTaskTimer–WARN -com.mchange.v2.async.ThreadPoolAsynchronousRunner:com.mchange.v2.async.ThreadPoolAsynchronousRunner$DeadlockDetector@512bc420 – APPARENT DEADLOCK!!! Complete Status:

That’s wrong. Also, this is not a question about Hibernate, so you should ask it either on the c3p0 user forum or StackOverflow.