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RedisTimeoutException: Unable to get connection

See original GitHub issue

Expected behavior

Should work without any exception.

Actual behavior

Getting the following exception intermittently:

WARN  - org.redisson.client.RedisTimeoutException: Unable to get connection! Node source: NodeSource [slot=null, addr=null, redisClient=null, redirect=null, entry=MasterSlaveEntry [masterEntry=[freeSubscribeConnectionsAmount=1, freeSubscribeConnectionsCounter=50, freeConnectionsAmount=32, freeConnectionsCounter=128, freezed=false, freezeReason=null, client=[addr=redis://my.server.2.1.com:6379], nodeType=MASTER, firstFail=0]]], command: (INCR), command params: [mycommand:params] after 3 retry attempts org.redisson.client.RedisTimeoutException: Unable to get connection! Node source: NodeSource [slot=null, addr=null, redisClient=null, redirect=null, entry=MasterSlaveEntry [masterEntry=[freeSubscribeConnectionsAmount=1, freeSubscribeConnectionsCounter=50, freeConnectionsAmount=32, freeConnectionsCounter=128, freezed=false, freezeReason=null, client=[addr=redis://my.server.2.1.com:6379], nodeType=MASTER, firstFail=0]]], command: (INCR), command params: [mycommand:params] after 3 retry attempts
	at org.redisson.command.CommandAsyncService$10.run(CommandAsyncService.java:703) ~[redisson-2.14.1.jar:?]
	at io.netty.util.HashedWheelTimer$HashedWheelTimeout.expire(HashedWheelTimer.java:670) ~[netty-common-4.1.31.Final.jar:4.1.31.Final]
	at io.netty.util.HashedWheelTimer$HashedWheelBucket.expireTimeouts(HashedWheelTimer.java:745) ~[netty-common-4.1.31.Final.jar:4.1.31.Final]
	at io.netty.util.HashedWheelTimer$Worker.run(HashedWheelTimer.java:473) ~[netty-common-4.1.31.Final.jar:4.1.31.Final]
	at java.lang.Thread.run(Thread.java:748) [?:1.8.0_181]