执行hadoop fs -ls 如下命令报错了:

Question

[root@HTY2-1 data]# hadoop fs -ls

Exception in thread “main” java.lang.RuntimeException: core-site.xml not found

    at org.apache.hadoop.conf.Configuration.loadResource(Configuration.java:2485)

    at org.apache.hadoop.conf.Configuration.loadResources(Configuration.java:2411)

    at org.apache.hadoop.conf.Configuration.getProps(Configuration.java:2321)

    at org.apache.hadoop.conf.Configuration.set(Configuration.java:1059)

    at org.apache.hadoop.conf.Configuration.set(Configuration.java:1031)

    at org.apache.hadoop.conf.Configuration.setBoolean(Configuration.java:1369)

    at org.apache.hadoop.util.GenericOptionsParser.processGeneralOptions(GenericOptionsParser.java:319)

    at org.apache.hadoop.util.GenericOptionsParser.parseGeneralOptions(GenericOptionsParser.java:485)

    at org.apache.hadoop.util.GenericOptionsParser.(GenericOptionsParser.java:170)

    at org.apache.hadoop.util.GenericOptionsParser.(GenericOptionsParser.java:153)

    at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:64)

    at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:84)

    at org.apache.hadoop.fs.FsShell.main(FsShell.java:340)

[root@HTY2-1 data]#

[root@HTY2-1 data]# hadoop classpath

/root/Downloads/hadoop-2.7.2/etc/hadoop:/usr/lib/hadoop/lib/:/usr/lib/hadoop/.//:/usr/lib/hadoop-hdfs/./:/usr/lib/hadoop-hdfs/lib/:/usr/lib/hadoop-hdfs/.//:/usr/lib/hadoop-yarn/lib/:/usr/lib/hadoop-yarn/.//:/usr/lib/hadoop-mapreduce/lib/:/usr/lib/hadoop-mapreduce/.//

[root@HTY2-1 data]# cd

[root@HTY2-1 ~]# ls

cache1  Desktop  Downloads  gitclone  idea  IdeaProject  software  Templates

[root@HTY2-1 ~]# cd Downloads

[root@HTY2-1 Downloads]# ls

apache-maven-3.3.3             idea

apache-maven-3.3.3-bin.tar.gz  ideaIC-2016.1.2b.tar.gz

fonts                          jdk1.8.0_92

fonts.tar.bz2                  jdk-8u92-linux-x64.tar.gz

hadoop-2.7.2-jar-dependence    libhadoop.so.1.0.0

2.7.2那个解压缩之后的包我已经删除了

不知道为啥还提示有2.7.2

Answer 1

不是提示core-site.xml没找到吗，你看看你配置文件目录下有没有，好像需要改名字