hadoop2.2.0 nodemanager启动后失败分析!!!
【推荐】2019 Java 开发者跳槽指南.pdf(吐血整理) >>> 在安装好hadoop2.2.0集群后,依次执行start-dfs.sh和start-yarn.sh脚本启动hadoop相关的服务。各个服务均能正常启动。但是过了一段时间后会发现nodemanager会自动失败退出。 检查日志信息发现一直报本机与一个0.0.0.0的连接失败,然后继续与进行通信尝试一段时间后nodemanager失败。具体信息如下: org.apache.hadoop.yarn.exceptions.YarnRuntimeException: java.net.ConnectException: Call From node2/222.18.159.123 to 0.0.0.0:8031 failed on connection exception: java.net.ConnectException: Connection refused; For more details see: http://wiki.apache.org/hadoop/ConnectionRefused Caused by: java.net.ConnectException: Call From node2/222.18.159.123 to 0.0.0.0:8031 failed on connection