192.168.11.12:8485: Call From hu-hadoop1/192.168.11.11 to hu-hadoop2:8485 failed on connection exception: java.net.ConnectException: Connection refused; For more details see:  http://wiki.apache.org/hadoop/ConnectionRefused at org.apache.hadoop.hdfs.…

hadoop集群搭建了ha,初次启动正常,最近几天启动时偶尔发现,namenode1节点启动后一段时间(大约10几秒-半分钟左右),namenode1上namenode进程停掉,查看日志: -- ::, INFO org.apache.hadoop.ipc.Client: Retrying connect to server: slave1/. Already tried , sleepTime= MILLISECONDS) -- ::, WARN org.apache.hadoop.hdfs.…

场景:  预发环境中,同事已经搭建了一套hadoop集群,由于版本与所需不符,所以需要替换版本 问题描述: 在配置文件都准确的情况下,启动hadoop,出现以下报错: 启动之前初始化:   初始化目录跟配置文件目录不一致 hdfs  namenode -format [root@hdoop2 hadoop-2.8.5]# hadoop dfs -ls /DEPRECATED: Use of this script to execute hdfs command is deprecated.Ins…

Bad connection to FS. command aborted. exception: Call to chaoren/192.168.80.100:9000 failed on connection exception: java.net.ConnectException: Connection refused 错误解决方法: 1.先将/usr/local/hadoop/tmp/dfs文件夹整个删除掉(cd /usr/local/hadoop/tmp rm -rf dfs) 2.再…

1:安装好hive,准备启动的时候出现下面的错误(由于hive是基于Hadoop的,所以必须先将你的集群启动起来,我就是没有启动集群,直接启动hive导致的错误): [root@master bin]# ./hive Logging initialized -bin/lib/hive-common-.jar!/hive-log4j.properties Exception failed on connection exception: java.net.ConnectException: Con…

1:练习spark的时候,操作大概如我读取hdfs上面的文件,然后spark懒加载以后,我读取详细信息出现如下所示的错误,错误虽然不大,我感觉有必要记录一下,因为错误的起因是对命令的不熟悉造成的,错误如下所示: scala> text.collect java.net.ConnectException: Call From slaver1/ failed on connection exception: java.net.ConnectException: Connection refused;…

ssh那些都已经搞了,跑一个书上的例子出现了Connection Refused异常,如下: 12/04/09 01:00:54 INFO ipc.Client: Retrying connect to server: localhost/127.0.0.1:8020. Already tried 0 time(s).12/04/09 01:00:56 INFO ipc.Client: Retrying connect to server: localhost/127.0.0.1:8020. A…

任务一直报错 现象比较奇怪,部分任务可以正常跑,部分问题报错 报错信息如下: Ended Job = job_1527476268558_132947 with exception 'java.io.IOException(java.net.ConnectException: Call From xxx/xxx to xxx:10020 failed on connection exception: java.net.ConnectException: 拒绝连接; For more detail…

场景: eclipse链接不上阿里云hadoop解决: 将hadoop的配置文件中的ip改为内网IP即可…

先看解决方案,再看唠嗑,唠嗑可以忽略. 解决方案: 使用start yarn.sh启动yarn就可以了. 唠嗑: 今天学习Spark基于Yarn部署.然后总以为Yarn是让Spark启动的,提交程序的时候Yarn就会启动~!于是乎我就只开启了Spark程序,没开启Yarn,然后执行提交 ./spark-submit --class org.apache.spark.examples.JavaSparkPi \ --master yarn \ --deploy-mode cluster \ --d…

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…

在学习rancher的时候去下载rancher/agent镜像的时候,出现报错:docker: read tcp 192.168.7.235:36512->54.230.212.9:443: read: connection reset by peer. 排查思路:1.实验使用的是Centos7,rancher官方说不支持默认的storage:devicemapper;但是centos7.3默认的stoeage driver是overlay,排除这个原因: 2.百度:虽然问题不一样,但是也有提到…

异常截图:…

1.虽然,不是大错,还说要贴一下,由于我运行run-example streaming.NetworkWordCount localhost 9999的测试案例,出现的错误,第一感觉就是Spark没有启动导致的: // :: ERROR SparkContext: Error initializing SparkContext. java.net.ConnectException: Call From slaver1/ failed on connection exception: java.n…

使用root用户启动hadoop的时候报错: [root@node1 ~]# su - hadoop -c start-all.sh starting namenode, logging to /app/hadoop/bin/../logs/hadoop-hadoop-namenode-node1.out 192.168.1.153: starting datanode, logging to /app/hadoop/bin/../logs/hadoop-hadoop-datanode-node…

前面给大家讲了怎么安装Hadoop,肯定会有人还是很迷茫,装完以后原来就是这个样子,但是怎么用,下面,先给大家讲下Hadoop简介:大致理解下就OK了 hadoop是一个平台,提供了庞大的存储和并行计算的能力. Hadoop是Apache软件基金会旗下的一个开源分布式计算平台.Hadoop的核心内容是HDFS和MpReduce.Hadoop项目结构有一下9中: Common:是Hadoop其他子项目提供支持的常用工具. Avro:是用于数据序列化的系统. MapReduce:是一种编程模型,用于…

INFO ipc.Client: Retrying connect to server: hadoop/192.168.73.100:9000. Already tried 0 time(s); retry policy is RetryUpToMaximumCountWithFixedSleep(maxRetries=10, sleepTime=1 SECONDS) INFO ipc.Client: Retrying connect to server: hadoop/192.168.73.1…

// :: FATAL namenode.NameNode: Failed to start namenode. org.apache.hadoop.hdfs.qjournal.client.QuorumException: Unable to check successful responses: : false exceptions thrown: : No Route to Host failed on socket timeout exception: java.net.NoRouteT…

使用navicat进行远程登录MySQL时,报出 ERROR 1130: Host '192.168.11.1' is not allowed to connect to this MySQL  server 解决方法:需要修改mysql数据库下的user表user=root的host字段的值,将localhost改为% 首先在mysql安装机器上登录mysql, >>提君博客原创  http://www.cnblogs.com/tijun/  << 然后切换到mysql 数据库下…

用ssh登录一个机器(换过ip地址),提示输入yes后,屏幕不断出现y,只有按ctrl + c结束 错误是:The authenticity of host 192.168.0.xxx can't be established. 以前和同事碰到过这个问题,解决了,没有记录,这次又碰到了不知道怎么处理,还好有QQ聊天记录,查找到一下,找到解决方案: 执行ssh  -o StrictHostKeyChecking=no  192.168.0.xxx 就OK 网址是: http://blog.ossx…

[root@linuxmain hadoop]# bin/hadoop jar hdfs3.jar com.dragon.test.CopyToHDFS Java HotSpot(TM) Client VM warning: You have loaded library /usr/hadoop/lib/native/libhadoop.so.1.0.0 which might have disabled stack guard. The VM will try to fix the stack…

2018-01-09 09:47:38,297 FATAL org.apache.hadoop.hdfs.server.datanode.DataNode: Initialization failed for Block pool <registering> (Datanode Uuid unassigned) service to controller/192.168.1.183:9000. Exiting. java.io.IOException: Incompatible cluster…

hadoop 启动时namenode和datanode可以启动,使用jps命令也可以看到进程,但是在浏览器中输入master:50070却没有显示datanode 查看datanode的log日志: -- ::, INFO org.apache.hadoop.ipc.Client: Retrying connect to server: master/. Already tried  , sleepTime= SECONDS) -- ::, INFO org.apache.hadoop.ipc.…

java.sql.SQLException: Could not establish connection to 192.168.8.111:10000/default: java.net.ConnectException: Connection refused: connect at org.apache.hadoop.hive.jdbc.HiveConnection.<init>(HiveConnection.java:117) 需要启动:hive --service hiveserver…

摘要:hadoop,一个分布式系统基础架构,可以充分利用集群的威力进行高速运算和存储.本文主要介绍hadoop的安装与集群服务器的配置. 准备文件: ▪ VMware11.0.0      ▪ CentOS-6.5-x86_64-bin-DVD1.iso      ▪ jdk-6u45-linux-x64-rpm.bin      ▪ hadoop-1.2.1-1.x86_64.rpm 1.规划    功能              HOSTNAME             IP        …

异常描述 在对HDFS格式化,执行hadoop namenode -format命令时,出现未知的主机名的问题,异常信息如下所示: [shirdrn@localhost bin]$ hadoop namenode -format 11/06/22 07:33:31 INFO namenode.NameNode: STARTUP_MSG: /************************************************************ STARTUP_MSG: Start…

异常描述: 在对HDFS格式化,执行hadoop namenode -format命令时,出现未知的主机名的问题,异常信息如下所示: [shirdrn@localhost bin]$ hadoop namenode -format // :: INFO namenode.NameNode: STARTUP_MSG: /************************************************************ STARTUP_MSG: Starting NameNod…

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…

[root@testdb11b ~]# /u01/app/oraInventory/orainstRoot.sh Changing permissions of /u01/app/oraInventory. Adding read,write permissions for group. Removing read,write,execute permissions for world. Changing groupname of /u01/app/oraInventory to oinstal…

用ssh登录一个机器(换过ip地址),提示输入yes后,屏幕不断出现y,只有按ctrl + c结束 错误是:The authenticity of host 192.168.0.xxx can't be established. 以前和同事碰到过这个问题,解决了,没有记录,这次又碰到了不知道怎么处理,还好有QQ聊天记录,查找到一下,找到解决方案: 执行ssh -o StrictHostKeyChecking=no 192.168.0.xxx 就OK 网址是: http://blog.ossxp.…