【文章推薦】WARN Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect (org.apache.zookeeper.ClientCnxn) java.net.ConnectException: Connection refused

原文：WARN Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect (org.apache.zookeeper.ClientCnxn) java.net.ConnectException: Connection refused

啟動kafka的腳本程序報如下所示的錯誤：根據錯誤分析，說zookeeper的問題，之前我沒有啟動zookeeper集群，所以先啟動zookeeper集群，然后啟動kafka解決問題 ...

2018-05-22 09:32 0 1998 推薦指數：

Linux下啟動tomcat報錯，WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting

　　tomcat啟動完了之后，一直不停的打印這種錯誤信息，看表面上，應該是zk節點下的數據是空的，連接不上服務，所以一直在嘗試連接，然后一直又連不上；完整的錯誤信息：　　原因：又 ...

WARN Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect (org.apache.zookeeper.ClientCnxn)

[2017-05-19 13:32:14,933] INFO Waiting for keeper state SyncConnected (org.I0Itec.zkclient.ZkClient)[2017-05-19 13:32:15,028] INFO Opening socket ...

解決Zookeeper啟動失敗，出現WARN org.apache.zookeeper.ClientCnxn: Session 0x0 for server null, unexpected error, closing socket connection and attempting

將/etc/hosts文件里面的127.0.0.1 localhost那一行刪掉重啟 ...

hadoop mapreduce 寫入hbase報錯 Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect

zookeeper 的master。最開始的時候，配置是這樣注入的：然后我覺得代 ...

zookeeper報Unable to read additional data from server sessionid 0x0, likely server has closed socket, closing socket connection and attempting

現象服務器連不上，kafka報connection refused 測試發現kafka某台node(xx)的問題，登錄上去也各種錯誤，zkServer.sh restart可以完成，但status報連不上。報錯比較迷惑人，打開java log看到其他錯誤 ...

curator-framework 使用采坑記之org.apache.zookeeper.ClientCnxn - Opening socket connection to server..........Will not attempt to authenticate using SASL

一、curator-framework 簡介 curator-framework 是對zookeeper做的分二次分布式封裝處理，目前代碼也是apache 開源社區維護，如下所示。 github地址：https://github.com/apache/curator ...

zookeeper報錯java.net.ConnectException: Connection refused: no further information

zookeeper報錯java.net.ConnectException: Connection refused: no further information 這是在linux 啟動 https://blog.csdn.net/laychityun ...

java.net.ConnectException: Connection refused: connect

1. 原因分析：端口（51019，51022）被占用。解決辦法：查看被占用端口對應的PID，輸入命令：netstat -aon|findstr "51019"，回車，記下最后一位數字，即PID,這 ...

原文：WARN Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect (org.apache.zookeeper.ClientCnxn) java.net.ConnectException: Connection refused

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