问题描述:

I'm using jdbc connection configuration to connect to a cassandra cluster.

When my test done, in my terminal it still continue output heartbeat log:

18:05:02.306 [cluster1-nio-worker-4] DEBUG com.datastax.driver.core.Connection - Connection[/10.11.8.103:9042-1, inFlight=0, closed=false] was inactive for 30 seconds, sending heartbeat

18:05:02.307 [cluster1-nio-worker-4] DEBUG com.datastax.driver.core.Connection - Connection[/10.11.8.103:9042-1, inFlight=0, closed=false] heartbeat query succeeded

18:05:02.312 [cluster1-nio-worker-5] DEBUG com.datastax.driver.core.Connection - Connection[/10.11.8.103:9042-2, inFlight=0, closed=false] was inactive for 30 seconds, sending heartbeat

18:05:02.314 [cluster1-nio-worker-5] DEBUG com.datastax.driver.core.Connection - Connection[/10.11.8.103:9042-2, inFlight=0, closed=false] heartbeat query succeeded

18:05:02.575 [cluster1-nio-worker-8] DEBUG com.datastax.driver.core.Connection - Connection[cass01.di01.qa.itsonsaas.com/10.11.8.101:9042-3, inFlight=0, closed=false] was inactive for 30 seconds, sending heartbeat

18:05:02.577 [cluster1-nio-worker-8] DEBUG com.datastax.driver.core.Connection - Connection[cass01.di01.qa.itsonsaas.com/10.11.8.101:9042-3, inFlight=0, closed=false] heartbeat query succeeded

.......

Any help appreciated!

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