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

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 connection to server hadoop02/192.168.233.201:2181. Will not attempt to authenticate using SASL (unknown…

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

1.启动kafka的脚本程序报如下所示的错误: [hadoop@slaver1 script_hadoop]$ kafka-start.sh start kafkaServer... [-- ::,] INFO Verifying properties (kafka.utils.VerifiableProperties) [-- ::,] INFO Property broker.id (kafka.utils.VerifiableProperties) [-- ::,] INFO Proper…

Linux下启动tomcat报错，WARN org.apache.zookeeper.ClientCnxn - Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect java.net.ConnectException:

tomcat启动完了之后,一直不停的打印这种错误信息,看表面上,应该是zk节点下的数据是空的,连接不上服务,所以一直在尝试连接,然后一直又连不上: 完整的错误信息: 407662 [usf-ZooKeeper:dsf_default-Registry-SendThread(127.0.0.1:2181)] INFO org.apache.zookeeper.ClientCnxn - Opening socket connection to server 127.0.0.1/127.0.0.1:2…

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

现象:map任务构造数据正常,reduce任务,开始也正常,速度很快 ,在hbase 的管理界面,可以看到,5W以上的请求数 当reduce 执行到 70% 左右的时候,就堵住了,查看yarn的web界面,可以找到如下报错信息. 不会尝试使用SASL认证. 连接被拒绝. 错误原因,找不到zookeeper 的master. 最开始的时候,配置是这样注入的: conf.set("hbase.zookeeper.quorum","hostname01,hostname02,hos…

error: not found: value sqlContext/import sqlContext.implicits._/error: not found: value sqlContext /import sqlContext.sql/Caused by: java.net.ConnectException: Connection refused

1.今天启动启动spark的spark-shell命令的时候报下面的错误,百度了很多,也没解决问题,最后想着是不是没有启动hadoop集群的问题 ,可是之前启动spark-shell命令是不用启动hadoop集群也是可以启动起来的.今天突然报错了. [hadoop@slaver1 spark--bin-hadoop2.]$ bin/spark-shell \ > --master spark://slaver1:7077 \ > --executor-memory 512M \ > --…

ERROR org.apache.zookeeper.ClientCnxn:532 - Error while calling watcher

一.背景 使用zookeeper操作时提示这个错误信息 ERROR org.apache.zookeeper.ClientCnxn: - Error while calling watcher java.lang.NullPointerException  at org.apache.zookeeper.ClientCnxn$EventThread.processEvent(ClientCnxn.java:530)  at org.apache.zookeeper.ClientCnxn$Even…

运行SparkStreaming的NetworkWordCount实例出错：Error connecting to localhost:9999 java.net.ConnectException: Connection refused 解决办法

一.背景 首先按照Spark的官方文档来运行此实例,具体方法参见这里,当运行命令$ nc -lk 9999开启端口后,再运行命令$ ./bin/run-example streaming.NetworkWordCount localhost 9999,却出现错误"Error connecting to localhost:9999 java.net.ConnectException: Connection refused ",也就是9999端口无法连接. 二.解决办法 (1)首先代码要…

全网最详细的启动zkfc进程时，出现INFO zookeeper.ClientCnxn: Opening socket connection to server***/192.168.80.151:2181. Will not attempt to authenticate using SASL (unknown error)解决办法（图文详解）

不多说,直接上干货! at org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:) at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:) // :: INFO zookeeper.ClientCnxn: Opening socket connection to server bigdata-pro02.kfk.c…

eclipse链接Hadoop集群时报错Error：Call From xxx/xxx.xxx.xxx.xxx to hostname1:9000 failed on connection exception

今天用eclipse连接Hadoop集群的时候突然给我报了这样一个错误:Error:Call From xxx/xxx.xxx.xxx.xxx to hostname1:9000 failed on connection exception:java.net.ConnectException:Connection refused:no further information;...如下图所示: 通过查看配置信息得到错误原因如下:hdfs-site.xml中配置的DFS Master的端口号和ec…

Jenkins [Error] at org.codehaus.cargo.container.tomcat.internal.AbstractTomcatManagerDeployer.redeploy(AbstractTomcatManagerDeployer.java:192)

Deploying /root/.jenkins/workspace/zgg-crm-pre/target/crm.war to container Tomcat 7.x Remote with context crm ERROR: Build step failed with exception org.codehaus.cargo.container.ContainerException: Failed to redeploy [/root/.jenkins/workspace/zgg-cr…