如何处理Hadoop中的java.net.ConnectException?
我试图用以下脚本将一些本地文件复制到HDFS:如何处理Hadoop中的java.net.ConnectException?,hadoop,hdfs,hadoop2,Hadoop,Hdfs,Hadoop2,我试图用以下脚本将一些本地文件复制到HDFS: bin/hadoop fs -copyFromLocal '/home/czy/IdeaProjects/HadoopInAction/FirstHadoop/src/main/resources/crossView.txt' /user/czy 事情是这样的: copyFromLocal: Call From ubuntu/127.0.1.1 to localhost:8020 failed on connection exception: j
bin/hadoop fs -copyFromLocal '/home/czy/IdeaProjects/HadoopInAction/FirstHadoop/src/main/resources/crossView.txt' /user/czy
事情是这样的:
copyFromLocal: Call From ubuntu/127.0.1.1 to localhost:8020 failed on connection exception: java.net.ConnectException: Connection refused; For more details see: http://wiki.apache.org/hadoop/ConnectionRefused
但是当我使用这样的脚本时(没有hdfs://localhost/),效果良好:
bin/hadoop fs -copyFromLocal '/home/czy/IdeaProjects/HadoopInAction/FirstHadoop/src/main/resources/crossView.txt' /user/czy
为什么会这样?当我将namenode端口配置为9000时,为什么我接收到本地主机:8020失败的
检查下面的链接..它可能有用
检查名称节点进程是否正在运行或未使用sudo jps