Hive操作超时错误:Session 0x0 for server null [HiveServer2-Background-Pool: Thread-69-SendThread(quickstart.cloudera:2181)]: Session 0x0forserver null, unexpected error, closing socket connection and attempting reconnect java.net.ConnectException: Connection refusedat sun.nio.ch.SocketChannelImpl.checkCo...
我刚刚重新启动了“动物园管理员”，一切都很顺利。
2017-12-04 13:23:42,043 WARN [main-SendThread(localhost:2181)] 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) ...
Hive操作超时错误:Session 0x0 for server null [HiveServer2-Background-Pool: Thread-69-SendThread(quickstart.cloudera:2181)]: Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect java.net.ConnectException: Connection refusedat sun.nio.ch.SocketChannelImpl.chec...
ClientCnxn: Session 0x0 for server null, unexpected error 异常是由于zookeeper配置不成功引起的。 解决方法: 1. 确保zookeer集群安装成功。通过jps能够正确显示zookeeper管理进程QuorumPeerMain,具体安装步骤,请参考我的blogzookeeper集群安装。 2. HBase 中的zookeeper配置正确,zookeeper实例应该是奇数个. ...
碰到个怪问题,Master上的HMaster服务老是自动死掉, 看错误日志只是提示连接失败Session 0x0 for server null 解决方法: 1. 关闭IP6 , 修改/etc/hosts 注释以"::1 "开头的 2. 校准HBase集群Zookeeper集群机器的时间,误差30秒以内 重启机器.ok
Hive操作超时错误:Session 0x0 for server null 1 Hive错误 [HiveServer2-Background-Pool: Thread-69-SendThread(quickstart.cloudera:2181)]: Session 0x0 forserver null, unexpected error, closing socket connection and attempting reconnectjava.net.ConnectException: Connection refusedat sun.nio.ch....
java.sql.SQLException: connection holder is null; 2019-12-09 14:36 −### 一、问题来源分析 出现的错误 : ```java Cause: java.sql.SQLException: connection holder is null; uncategorized SQLException for SQL []; SQL state [null]; error ... ...
2017-02-13 09:01:55,762 [myid:] - WARN [main-SendThread(localhost:2181):ClientCnxn$SendThread@1257] - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect java.net.ConnectException: Connection refused ...
[2017-05-19 13:32:15,285] 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....