FATAL org.apache.hadoop.hdfs.server.datanode.DataNode: Exception in secureMain java.io.IOException:

爱被打了一巴掌 2022-10-25 04:45 147阅读 0赞

2021-01-30 21:35:37,008 FATAL org.apache.hadoop.hdfs.server.datanode.DataNode: Exception in secureMain
    java.io.IOException: failed to stat a path component: '/var/run/hdfs-sockets'.  error code 2 (No such file or directory)
    	at org.apache.hadoop.net.unix.DomainSocket.validateSocketPathSecurity0(Native Method)
    	at org.apache.hadoop.net.unix.DomainSocket.bindAndListen(DomainSocket.java:189)
    	at org.apache.hadoop.hdfs.net.DomainPeerServer.<init>(DomainPeerServer.java:40)
    	at org.apache.hadoop.hdfs.server.datanode.DataNode.getDomainPeerServer(DataNode.java:957)
    	at org.apache.hadoop.hdfs.server.datanode.DataNode.initDataXceiver(DataNode.java:923)
    	at org.apache.hadoop.hdfs.server.datanode.DataNode.startDataNode(DataNode.java:1142)
    	at org.apache.hadoop.hdfs.server.datanode.DataNode.<init>(DataNode.java:429)
    	at org.apache.hadoop.hdfs.server.datanode.DataNode.makeInstance(DataNode.java:2414)
    	at org.apache.hadoop.hdfs.server.datanode.DataNode.instantiateDataNode(DataNode.java:2301)
    	at org.apache.hadoop.hdfs.server.datanode.DataNode.createDataNode(DataNode.java:2348)
    	at org.apache.hadoop.hdfs.server.datanode.DataNode.secureMain(DataNode.java:2530)
    	at org.apache.hadoop.hdfs.server.datanode.DataNode.main(DataNode.java:2554)
    2021-01-30 21:35:37,010 INFO org.apache.hadoop.util.ExitUtil: Exiting with status 1
    2021-01-30 21:35:37,011 INFO org.apache.hadoop.hdfs.server.datanode.DataNode: SHUTDOWN_MSG: 
    /************************************************************ SHUTDOWN_MSG: Shutting down DataNode at hadoop102/192.168.121.140 ************************************************************/

发现datanode启动报错  
**`解决方案`**

mkdir -p /var/run/hdfs-sockets

如果不是root用户的话，请给予权限

chown -R donglin:donglin /var/run/hdfs-sockets