/*以上两行任选一行即可实现*/ 3. snappy native library not loaded
出现这种情况可能是你core-site.xml中文件路径写的不一致造成的,比如我的hadoop一致路径是/tmp/hadoop_tmp,但是在里面错写成了/temp,修改保存,重新格式化重启即可解决。 4. org.apache.hadoop.security.UserGroupInformation: PriviledgedActionException
报错样式类似如下:
2014-02-18 23:36:22,717 ERROR org.apache.hadoop.security.UserGroupInformation: PriviledgedActionException as:hadoop cause:java.io.IOException: File /usr/hadoop_dir/tmp/mapred/system/jobtracker.info could only be replicated to 0 nodes, instead of 1
2014-02-18 23:36:22,718 INFO org.apache.hadoop.ipc.Server: IPC Server handler 4 on 49000, call addBlock(/usr/hadoop_dir/tmp/mapred/system/jobtracker.info, DFSClient_NONMAPREDUCE_1570390041_1, null) from 10.1.151.168:56700: error: java.io.IOException: File /usr/hadoop_dir/tmp/mapred/system/jobtracker.info could only be replicated to 0 nodes, instead of 1
从网上搜了一下这个问题,解决方案可以试试如下几个: