出现该问题的原因：在第一次格式化dfs后，启动并使用了hadoop，后来又重新执行了格式化命令（hdfs namenode -format)，这时namenode的clusterID会重新生成，而datanode的clusterID 保持不变。 1：其实网上已经有解决办法了，这里自己脑补一下，也可以让别人看到我是怎么解决的。出现这个问题主要是和配置这个文件相关：core-site.xml； ...

文章 2016-02-24 来自：开发者社区

hadoop 集群常见错误解决办法

hadoop 集群常见错误解决办法：（一）启动hadoop集群时易出现的错误： 1. 错误现象：java.net.NoRouteToHostException: No route to host. 原因：master服务器上的防火墙没有关闭。解决方法: 在master上关闭防火墙: chkconfi...

共有7条

< 1 >

跳转至： GO

更新时间 2024-04-30 05:46:35

本页面内关键词为智能算法引擎基于机器学习所生成，如有任何问题，可在页面下方点击"联系我们"与我们沟通。

hadoop集群相关内容

hadoop更多集群相关

hadoop您可能感兴趣

产品推荐

{"moduleinfo":{"card_count":[{"count_phone":1,"count":1}],"search_count":[{"count_phone":3,"count":3}]},"card":[{"des":"E-MapReduce 是构建于阿里云ECS弹性虚拟机之上，利用开源大数据生态系统，包括Hadoop，Spark，Kafka，Storm，为用户提供集群，作业，数据等管理的一站式大数据处理分析业务。","link1":"https://www.aliyun.com/product/emr","link":"https://www.aliyun.com/product/emr","icon":"https://img.alicdn.com/tfs/TB10yI6DNn1gK0jSZKPXXXvUXXa-201-200.png","btn2":"产品文档","tip":"海量存储，离线计算，实时计算场景等各种场景，Hadoop，Spark，Hive，Kafka，Storm等集群快速购买，<a href=\"https://www.aliyun.com/product/emapreduce\" target=\"_blank\">立即查看</a>产品动态发布：<a href=\"https://www.aliyun.com/product/new\" target=\"_blank\">立即查看</a>","btn1":"立即开通","link2":"https://help.aliyun.com/document_detail/28068.html","title":"E-MapReduce"}],"search":[{"txt":"购买建议","link":"https://help.aliyun.com/document_detail/65683.html"},{"txt":"集群规划","link":"https://help.aliyun.com/document_detail/58901.html"},{"txt":"Spark开发入门","link":"https://help.aliyun.com/document_detail/28116.html"},{"txt":"快速入门","link":"https://help.aliyun.com/document_detail/43753.html"},{"txt":"产品动态","link":"https://www.aliyun.com/product/new"}],"countinfo":{"search":{"length_pc":0,"length":0},"card":{"length_pc":0,"length":0}},"simplifiedDisplay":"newEdition","newCard":[{"link":"https://www.aliyun.com/product/emapreduce","icon":"emapreduce","contentLink":"https://www.aliyun.com/product/emapreduce","title":"开源大数据平台 E-MapReduce","des":"开源大数据平台 E-MapReduce（简称“EMR”）是云原生开源大数据平台，向客户提供简单易集成的Hadoop、Hive、Spark、Flink、Presto、ClickHouse、StarRocks、Delta、Hudi等开源大数据计算和存储引擎服务。","btn1":"产品控制台","link1":"https://emr-next.console.aliyun.com/","btn2":"立即开通","link2":"https://emr-next.console.aliyun.com/#/create/ecs","btn3":"产品文档","link3":"https://help.aliyun.com/document_detail/28068.html","infoGroup":[{"infoName":"优惠活动","infoContent":{"firstContentName":"StarRocks 免费试用","firstContentLink":"https://free.aliyun.com/?pipCode=emapreduce&spm=5176.28055625.J_4VYgf18xNlTAyFFbOuOQe.118.e939154awRTC1N&scm=20140722.M_9821919._.V_1"}},{"infoName":"产品入门","infoContent":{"firstContentName":"快速入门指导","firstContentLink":"https://help.aliyun.com/document_detail/176795.html?spm=a2c4g.11186623.6.572.68403b8bI3rak8","lastContentName":"常见问题","lastContentLink":"https://help.aliyun.com/document_detail/28186.html?spm=a2c4g.11186623.6.1143.7bce1c52WiJTBt"}},{"infoName":"最佳实践","infoContent":{"firstContentName":"EMR实时计算实践","firstContentLink":"https://help.aliyun.com/document_detail/127198.html?spm=5176.cnemapreduce.0.0.3dd23a1cfXWfSP","lastContentName":"EMR弹性计算实践","lastContentLink":"https://bp.aliyun.com/front/home/detail/36?spm=5176.cnemapreduce.0.0.3dd23a1cfXWfSP"}},{"infoContent":{"lastContentName":"","lastContentLink":"","firstContentName":"产品最新动态","firstContentLink":"https://www.aliyun.com/product/new?category=19&product=125"},"infoName":"最新动态"}],"ifIcon":"icon","iconImg":"https://img.alicdn.com/tfs/TB1XY8hGYr1gK0jSZFDXXb9yVXa-1740-328.png"}]}

{"$env":{"JSON":{}},"$page":{"env":"production"},"$context":{"moduleinfo":{"card_count":[{"count_phone":1,"count":1}],"search_count":[{"count_phone":3,"count":3}]},"card":[{"des":"E-MapReduce 是构建于阿里云ECS弹性虚拟机之上，利用开源大数据生态系统，包括Hadoop，Spark，Kafka，Storm，为用户提供集群，作业，数据等管理的一站式大数据处理分析业务。","link1":"https://www.aliyun.com/product/emr","link":"https://www.aliyun.com/product/emr","icon":"https://img.alicdn.com/tfs/TB10yI6DNn1gK0jSZKPXXXvUXXa-201-200.png","btn2":"产品文档","tip":"海量存储，离线计算，实时计算场景等各种场景，Hadoop，Spark，Hive，Kafka，Storm等集群快速购买，<a href=\"https://www.aliyun.com/product/emapreduce\" target=\"_blank\">立即查看</a>产品动态发布：<a href=\"https://www.aliyun.com/product/new\" target=\"_blank\">立即查看</a>","btn1":"立即开通","link2":"https://help.aliyun.com/document_detail/28068.html","title":"E-MapReduce"}],"search":[{"txt":"购买建议","link":"https://help.aliyun.com/document_detail/65683.html"},{"txt":"集群规划","link":"https://help.aliyun.com/document_detail/58901.html"},{"txt":"Spark开发入门","link":"https://help.aliyun.com/document_detail/28116.html"},{"txt":"快速入门","link":"https://help.aliyun.com/document_detail/43753.html"},{"txt":"产品动态","link":"https://www.aliyun.com/product/new"}],"countinfo":{"search":{"length_pc":0,"length":0},"card":{"length_pc":0,"length":0}},"simplifiedDisplay":"newEdition","newCard":[{"link":"https://www.aliyun.com/product/emapreduce","icon":"emapreduce","contentLink":"https://www.aliyun.com/product/emapreduce","title":"开源大数据平台 E-MapReduce","des":"开源大数据平台 E-MapReduce（简称“EMR”）是云原生开源大数据平台，向客户提供简单易集成的Hadoop、Hive、Spark、Flink、Presto、ClickHouse、StarRocks、Delta、Hudi等开源大数据计算和存储引擎服务。","btn1":"产品控制台","link1":"https://emr-next.console.aliyun.com/","btn2":"立即开通","link2":"https://emr-next.console.aliyun.com/#/create/ecs","btn3":"产品文档","link3":"https://help.aliyun.com/document_detail/28068.html","infoGroup":[{"infoName":"优惠活动","infoContent":{"firstContentName":"StarRocks 免费试用","firstContentLink":"https://free.aliyun.com/?pipCode=emapreduce&spm=5176.28055625.J_4VYgf18xNlTAyFFbOuOQe.118.e939154awRTC1N&scm=20140722.M_9821919._.V_1"}},{"infoName":"产品入门","infoContent":{"firstContentName":"快速入门指导","firstContentLink":"https://help.aliyun.com/document_detail/176795.html?spm=a2c4g.11186623.6.572.68403b8bI3rak8","lastContentName":"常见问题","lastContentLink":"https://help.aliyun.com/document_detail/28186.html?spm=a2c4g.11186623.6.1143.7bce1c52WiJTBt"}},{"infoName":"最佳实践","infoContent":{"firstContentName":"EMR实时计算实践","firstContentLink":"https://help.aliyun.com/document_detail/127198.html?spm=5176.cnemapreduce.0.0.3dd23a1cfXWfSP","lastContentName":"EMR弹性计算实践","lastContentLink":"https://bp.aliyun.com/front/home/detail/36?spm=5176.cnemapreduce.0.0.3dd23a1cfXWfSP"}},{"infoContent":{"lastContentName":"","lastContentLink":"","firstContentName":"产品最新动态","firstContentLink":"https://www.aliyun.com/product/new?category=19&product=125"},"infoName":"最新动态"}],"ifIcon":"icon","iconImg":"https://img.alicdn.com/tfs/TB1XY8hGYr1gK0jSZFDXXb9yVXa-1740-328.png"}]}}

开源大数据平台 E-MapReduce

开源大数据平台 E-MapReduce（简称“EMR”）是云原生开源大数据平台，向客户提供简单易集成的Hadoop、Hive、Spark、Flink、Presto、ClickHouse、StarRocks、Delta、Hudi等开源大数据计算和存储引擎服务。

产品控制台

立即开通

产品文档

优惠活动

StarRocks 免费试用

产品入门

快速入门指导

常见问题

最佳实践

EMR实时计算实践