kafka报错 WARN Session 0x0 for server null, unexpected error, closing socket connection

╰+攻爆jí腚メ 2021-12-14 12:37 1260阅读 0赞

# 错误代码： #

\[2019-07-04 07:54:44,520\] WARN Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect (org.apache.zookeeper.ClientCnxn)  
java.net.ConnectException: Connection refused  
at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method)  
at sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:717)  
at org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:361)  
at org.apache.zookeeper.ClientCnxn S e n d T h r e a d . r u n ( C l i e n t C n x n . j a v a : 1081 ) \[ 2019 − 07 − 0407 : 54 : 45 , 628 \] W A R N S e s s i o n 0 x 0 f o r s e r v e r n u l l , u n e x p e c t e d e r r o r , c l o s i n g s o c k e t c o n n e c t i o n a n d a t t e m p t i n g r e c o n n e c t ( o r g . a p a c h e . z o o k e e p e r . C l i e n t C n x n ) j a v a . n e t . C o n n e c t E x c e p t i o n : C o n n e c t i o n r e f u s e d a t s u n . n i o . c h . S o c k e t C h a n n e l I m p l . c h e c k C o n n e c t ( N a t i v e M e t h o d ) a t s u n . n i o . c h . S o c k e t C h a n n e l I m p l . f i n i s h C o n n e c t ( S o c k e t C h a n n e l I m p l . j a v a : 717 ) a t o r g . a p a c h e . z o o k e e p e r . C l i e n t C n x n S o c k e t N I O . d o T r a n s p o r t ( C l i e n t C n x n S o c k e t N I O . j a v a : 361 ) a t o r g . a p a c h e . z o o k e e p e r . C l i e n t C n x n SendThread.run(ClientCnxn.java:1081) \[2019-07-04 07:54:45,628\] WARN Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect (org.apache.zookeeper.ClientCnxn) java.net.ConnectException: Connection refused at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method) at sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:717) at org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:361) at org.apache.zookeeper.ClientCnxn SendThread.run(ClientCnxn.java:1081)\[2019−07−0407:54:45,628\]WARNSession0x0forservernull,unexpectederror,closingsocketconnectionandattemptingreconnect(org.apache.zookeeper.ClientCnxn)java.net.ConnectException:Connectionrefusedatsun.nio.ch.SocketChannelImpl.checkConnect(NativeMethod)atsun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:717)atorg.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:361)atorg.apache.zookeeper.ClientCnxnSendThread.run(ClientCnxn.java:1081)  
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# 查看zk状态： #

`zkServer.sh status`  
报错：  
ZooKeeper JMX enabled by default  
Using config: /soft/zk/bin/…/conf/zoo.cfg  
Error contacting service. It is probably not running.

# 重启zk： #

`zkServer.sh restar`

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