null pointer error

2020-07-28 04:05:43 EDT WARN [org.hornetq.core.client] (hornetq-failure-check-thread:) HQ212037: Connection failure has been detected: HQ119014: Did not receive data from /10.255.177.11:39424. It is likely the client has exited or crashed without closing its connection, or the network between the server and client has failed. You also might have configured connection-ttl and client-failure-check-period incorrectly. Please check user manual for more information. The connection will now be closed. [code=CONNECTION_TIMEDOUT]
2020-07-28 04:05:43 EDT INFO [org.hornetq.core.server] (hornetq-failure-check-thread:) HQ221021: failed to remove connection

anyone seen this before? any resolution?