化工设计网站,产品外观设计案例,效果图制作网站有哪些,内蒙古建设集团招聘信息网站关掉虚拟机后#xff0c;重新启动后#xff0c;按照Hadoop和Hive的流程重新启动#xff0c;发现无法启动成功#xff0c;特别是元数据服务无法启动#xff0c;出现以下错误: Exception in thread “main” java.lang.RuntimeException: java.net.ConnectException: Call F…关掉虚拟机后重新启动后按照Hadoop和Hive的流程重新启动发现无法启动成功特别是元数据服务无法启动出现以下错误: Exception in thread “main” java.lang.RuntimeException: java.net.ConnectException: Call From hadoop-master/192.168.19.137 to hadoop-master:9000 failed on connection exception: java.net.ConnectException: Connection refused; Caused by: java.net.ConnectException: Call From hadoop-master/192.168.19.137 to hadoop-master:9000 failed on connection exception: java.net.ConnectException: Connection refused; For more details see: http://wiki.apache.org/hadoop/ConnectionRefused at 重新启动Hadoop和Hive都是相同的错误查看jps发现NameNode没有启动 7235 RunJar 11235 NodeManager 10661 ResourceManager 10041 DataNode 10490 SecondaryNameNode 11387 Jps 需要删除core-site配置文件中hadoop.tmp.dir映射的文件目一般在hadoop/tmp文件夹下。下面是解决步骤
进入hadoop/sbin目录下启动stop-all.sh停止所有服务 ./stop-all.sh 删除core-site配置文件中hadoop.tmp.dir映射的文件目 rm -rf tmp 进入hadoop目录下格式化NameNode ./bin/hdfs namenode -format 进入hadoop/sbin目录重新启动 ./start-all.sh 启动元数据服务 hive --service metastore 启动hive hive
