2025-02-1021:46:21,422 [myid:2] - WARN [LeaderConnector-/10.21.100.211:2888:o.a.z.s.q.Learner$LeaderConnector@448] - Unexpected exception, tries=0, remaining init limit=464551, connecting t o /10.21.100.211:2888 java.net.ConnectException: Connection timed out at java.base/sun.nio.ch.Net.pollConnect(NativeMethod) at java.base/sun.nio.ch.Net.pollConnectNow(Net.java:672) at java.base/sun.nio.ch.NioSocketImpl.timedFinishConnect(NioSocketImpl.java:554) at java.base/sun.nio.ch.NioSocketImpl.connect(NioSocketImpl.java:602) at java.base/java.net.SocksSocketImpl.connect(SocksSocketImpl.java:327) at java.base/java.net.Socket.connect(Socket.java:633) at org.apache.zookeeper.server.quorum.Learner.sockConnect(Learner.java:305) at org.apache.zookeeper.server.quorum.Learner$LeaderConnector.connectToLeader(Learner.java:422) at org.apache.zookeeper.server.quorum.Learner$LeaderConnector.run(Learner.java:380) at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539) at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264) at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136) at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635) at java.base/java.lang.Thread.run(Thread.java:840) 2025-02-1021:46:21,524 [myid:2] - INFO [LeaderConnector-/10.21.100.211:2888:o.a.z.s.q.Learner$LeaderConnector@384] - Successfully connected to leader, using address: /10.21.100.211:2888 2025-02-1021:46:21,527 [myid:2] - INFO [QuorumPeer[myid=2](plain=[0:0:0:0:0:0:0:0]:2181)(secure=disabled):o.a.z.s.q.QuorumPeer@917] - Peer state changed: following - synchronization 2025-02-1021:46:22,055 [myid:2] - INFO [QuorumPeer[myid=2](plain=[0:0:0:0:0:0:0:0]:2181)(secure=disabled):o.a.z.s.q.Learner@565] - Getting a diff from the leader 0x11133d3b9f 2025-02-1021:46:22,055 [myid:2] - INFO [QuorumPeer[myid=2](plain=[0:0:0:0:0:0:0:0]:2181)(secure=disabled):o.a.z.s.q.QuorumPeer@922] - Peer state changed: following - synchronization - diff 2025-02-1021:46:22,056 [myid:2] - WARN [QuorumPeer[myid=2](plain=[0:0:0:0:0:0:0:0]:2181)(secure=disabled):o.a.z.s.q.Learner@637] - Got zxid 0x11133bc361 expected 0x1 2025-02-1021:46:22,393 [myid:2] - INFO [QuorumPeer[myid=2](plain=[0:0:0:0:0:0:0:0]:2181)(secure=disabled):o.a.z.s.q.Learner@737] - Learner received NEWLEADER message 2025-02-1021:46:22,393 [myid:2] - INFO [QuorumPeer[myid=2](plain=[0:0:0:0:0:0:0:0]:2181)(secure=disabled):o.a.z.s.q.QuorumPeer@1892] - Dynamic reconfig is disabled, we don't store the last seen config.