開發四年只會寫業務代碼，分布式高并發都不會還做程式員？->>>
to authenticate using SASL (unknown error)
20:57:02.212 [main-SendThread(localhost.localdomain:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
java.net.ConnectException: Connection refused
at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method) ~[na:1.8.0_65]
at sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:717) ~[na:1.8.0_65]
at org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:361) ~[zookeeper-3.4.6.jar:3.4.6-1569965]
at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1081) ~[zookeeper-3.4.6.jar:3.4.6-1569965]
20:57:02.212 [main-SendThread(localhost.localdomain:2181)] DEBUG o.a.zookeeper.ClientCnxnSocketNIO - Ignoring exception during shutdown input
java.nio.channels.ClosedChannelException: null
at sun.nio.ch.SocketChannelImpl.shutdownInput(SocketChannelImpl.java:780) ~[na:1.8.0_65]
at sun.nio.ch.SocketAdaptor.shutdownInput(SocketAdaptor.java:399) ~[na:1.8.0_65]
at org.apache.zookeeper.ClientCnxnSocketNIO.cleanup(ClientCnxnSocketNIO.java:200) ~[zookeeper-3.4.6.jar:3.4.6-1569965]
at org.apache.zookeeper.ClientCnxn$SendThread.cleanup(ClientCnxn.java:1185) [zookeeper-3.4.6.jar:3.4.6-1569965]
at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1110) [zookeeper-3.4.6.jar:3.4.6-1569965]
20:57:02.212 [main-SendThread(localhost.localdomain:2181)] DEBUG o.a.zookeeper.ClientCnxnSocketNIO - Ignoring exception during shutdown output
java.nio.channels.ClosedChannelException: null
at sun.nio.ch.SocketChannelImpl.shutdownOutput(SocketChannelImpl.java:797) ~[na:1.8.0_65]
at sun.nio.ch.SocketAdaptor.shutdownOutput(SocketAdaptor.java:407) ~[na:1.8.0_65]
at org.apache.zookeeper.ClientCnxnSocketNIO.cleanup(ClientCnxnSocketNIO.java:207) ~[zookeeper-3.4.6.jar:3.4.6-1569965]
at org.apache.zookeeper.ClientCnxn$SendThread.cleanup(ClientCnxn.java:1185) [zookeeper-3.4.6.jar:3.4.6-1569965]
at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1110) [zookeeper-3.4.6.jar:3.4.6-1569965]
20:57:03.317 [main-SendThread(localhost.localdomain:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server localhost.localdomain/127.0.0.1:2181. Will not attempt to authenticate using SASL (unknown error)
20:57:03.318 [main-SendThread(localhost.localdomain:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
java.net.ConnectException: Connection refused
at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method) ~[na:1.8.0_65]
at sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:717) ~[na:1.8.0_65]
at org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:361) ~[zookeeper-3.4.6.jar:3.4.6-1569965]
at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1081) ~[zookeeper-3.4.6.jar:3.4.6-1569965]
20:57:03.318 [main-SendThread(localhost.localdomain:2181)] DEBUG o.a.zookeeper.ClientCnxnSocketNIO - Ignoring exception during shutdown input
java.nio.channels.ClosedChannelException: null
at sun.nio.ch.SocketChannelImpl.shutdownInput(SocketChannelImpl.java:780) ~[na:1.8.0_65]
at sun.nio.ch.SocketAdaptor.shutdownInput(SocketAdaptor.java:399) ~[na:1.8.0_65]
at org.apache.zookeeper.ClientCnxnSocketNIO.cleanup(ClientCnxnSocketNIO.java:200) ~[zookeeper-3.4.6.jar:3.4.6-1569965]
at org.apache.zookeeper.ClientCnxn$SendThread.cleanup(ClientCnxn.java:1185) [zookeeper-3.4.6.jar:3.4.6-1569965]
at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1110) [zookeeper-3.4.6.jar:3.4.6-1569965]
20:57:03.318 [main-SendThread(localhost.localdomain:2181)] DEBUG o.a.zookeeper.ClientCnxnSocketNIO - Ignoring exception during shutdown output
java.nio.channels.ClosedChannelException: null
at sun.nio.ch.SocketChannelImpl.shutdownOutput(SocketChannelImpl.java:797) ~[na:1.8.0_65]
at sun.nio.ch.SocketAdaptor.shutdownOutput(SocketAdaptor.java:407) ~[na:1.8.0_65]
at org.apache.zookeeper.ClientCnxnSocketNIO.cleanup(ClientCnxnSocketNIO.java:207) ~[zookeeper-3.4.6.jar:3.4.6-1569965]
at org.apache.zookeeper.ClientCnxn$SendThread.cleanup(ClientCnxn.java:1185) [zookeeper-3.4.6.jar:3.4.6-1569965]
at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1110) [zookeeper-3.4.6.jar:3.4.6-1569965]
20:57:04.423 [main-SendThread(localhost.localdomain:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server localhost.localdomain/127.0.0.1:2181. Will not attempt to authenticate using SASL (unknown error)
20:57:04.423 [main-SendThread(localhost.localdomain:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
java.net.ConnectException: Connection refused
at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method) ~[na:1.8.0_65]
at sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:717) ~[na:1.8.0_65]
at org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:361) ~[zookeeper-3.4.6.jar:3.4.6-1569965]
at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1081) ~[zookeeper-3.4.6.jar:3.4.6-1569965]
20:57:04.424 [main-SendThread(localhost.localdomain:2181)] DEBUG o.a.zookeeper.ClientCnxnSocketNIO - Ignoring exception during shutdown input
java.nio.channels.ClosedChannelException: null
at sun.nio.ch.SocketChannelImpl.shutdownInput(SocketChannelImpl.java:780) ~[na:1.8.0_65]
at sun.nio.ch.SocketAdaptor.shutdownInput(SocketAdaptor.java:399) ~[na:1.8.0_65]
at org.apache.zookeeper.ClientCnxnSocketNIO.cleanup(ClientCnxnSocketNIO.java:200) ~[zookeeper-3.4.6.jar:3.4.6-1569965]
at org.apache.zookeeper.ClientCnxn$SendThread.cleanup(ClientCnxn.java:1185) [zookeeper-3.4.6.jar:3.4.6-1569965]
at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1110) [zookeeper-3.4.6.jar:3.4.6-1569965]
20:57:04.424 [main-SendThread(localhost.localdomain:2181)] DEBUG o.a.zookeeper.ClientCnxnSocketNIO - Ignoring exception during shutdown output
java.nio.channels.ClosedChannelException: null
at sun.nio.ch.SocketChannelImpl.shutdownOutput(SocketChannelImpl.java:797) ~[na:1.8.0_65]
at sun.nio.ch.SocketAdaptor.shutdownOutput(SocketAdaptor.java:407) ~[na:1.8.0_65]
at org.apache.zookeeper.ClientCnxnSocketNIO.cleanup(ClientCnxnSocketNIO.java:207) ~[zookeeper-3.4.6.jar:3.4.6-1569965]
at org.apache.zookeeper.ClientCnxn$SendThread.cleanup(ClientCnxn.java:1185) [zookeeper-3.4.6.jar:3.4.6-1569965]
at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1110) [zookeeper-3.4.6.jar:3.4.6-1569965]
20:57:05.529 [main-SendThread(localhost.localdomain:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server localhost.localdomain/127.0.0.1:2181. Will not attempt to authenticate using SASL (unknown error)
20:57:05.530 [main-SendThread(localhost.localdomain:2181)] WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
java.net.ConnectException: Connection refused
at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method) ~[na:1.8.0_65]
at sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:717) ~[na:1.8.0_65]
at org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:361) ~[zookeeper-3.4.6.jar:3.4.6-1569965]
at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1081) ~[zookeeper-3.4.6.jar:3.4.6-1569965]
20:57:05.530 [main-SendThread(localhost.localdomain:2181)] DEBUG o.a.zookeeper.ClientCnxnSocketNIO - Ignoring exception during shutdown input
java.nio.channels.ClosedChannelException: null
at sun.nio.ch.SocketChannelImpl.shutdownInput(SocketChannelImpl.java:780) ~[na:1.8.0_65]
at sun.nio.ch.SocketAdaptor.shutdownInput(SocketAdaptor.java:399) ~[na:1.8.0_65]
at org.apache.zookeeper.ClientCnxnSocketNIO.cleanup(ClientCnxnSocketNIO.java:200) ~[zookeeper-3.4.6.jar:3.4.6-1569965]
at org.apache.zookeeper.ClientCnxn$SendThread.cleanup(ClientCnxn.java:1185) [zookeeper-3.4.6.jar:3.4.6-1569965]
at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1110) [zookeeper-3.4.6.jar:3.4.6-1569965]
20:57:05.530 [main-SendThread(localhost.localdomain:2181)] DEBUG o.a.zookeeper.ClientCnxnSocketNIO - Ignoring exception during shutdown output
java.nio.channels.ClosedChannelException: null
at sun.nio.ch.SocketChannelImpl.shutdownOutput(SocketChannelImpl.java:797) ~[na:1.8.0_65]
at sun.nio.ch.SocketAdaptor.shutdownOutput(SocketAdaptor.java:407) ~[na:1.8.0_65]
at org.apache.zookeeper.ClientCnxnSocketNIO.cleanup(ClientCnxnSocketNIO.java:207) ~[zookeeper-3.4.6.jar:3.4.6-1569965]
at org.apache.zookeeper.ClientCnxn$SendThread.cleanup(ClientCnxn.java:1185) [zookeeper-3.4.6.jar:3.4.6-1569965]
at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1110) [zookeeper-3.4.6.jar:3.4.6-1569965]
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