安装clickhouse后namenode无法启动

微亮之海

于 2022-02-09 15:59:24 发布

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文章标签： hadoop hdfs big data

本文链接：https://blog.youkuaiyun.com/weixin_42913992/article/details/122843972

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一次启动hadoop集群发现namenode始终无法启动，找了很多方法后，发现是新安装的clickhouse占用了9000端口，导致namenode无法启动
解决方法：
netstat -lnp | grep 9000
然后kill -9 杀死9000端口的进程号
之后就可以正常启动namenode了

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ERROR: Attempting to operate on hdfs namenode as root ERROR: but there is no HDFS_NAMENODE_USER defi
2301_81421670: 请问为啥还是不行?
ERROR: Attempting to operate on hdfs namenode as root ERROR: but there is no HDFS_NAMENODE_USER defi
2301_81421670: root@master hadoop-3.1.4$ sbin/start-dfs.sh Starting namenodes on [master] ERROR: Attempting to operate on hdfs namenode as root ERROR: but there is no HDFS_NAMENODE_USER defined. Aborting operation. Starting datanodes ERROR: Attempting to operate on hdfs datanode as root ERROR: but there is no HDFS_DATANODE_USER defined. Aborting operation. Starting secondary namenodes [master] ERROR: Attempting to operate on hdfs secondarynamenode as root ERROR: but there is no HDFS_SECONDARYNAMENODE_USER defined. Aborting operation. root@master hadoop-3.1.4$ cd /sbin root@master sbin$ vim start-dfs.sh root@master sbin$ vim stop-dfs.sh root@master sbin$ vim start-yarn.sh root@master sbin$ vim stop-yarn.sh root@master sbin$ restart -bash: restart: command not found root@master sbin$ cd $HADOOP_HOME root@master hadoop-3.1.4$ sbin/start-dfs.sh Starting namenodes on [master] ERROR: Attempting to operate on hdfs namenode as root ERROR: but there is no HDFS_NAMENODE_USER defined. Aborting operation.
DataX抽取oracle数据到hive，数据量变多
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