Modify
set Java in/etc/Hadoop/Hadoop env.cmd file_ HOME=%JAVA_ Home%
is (modified to the JDK location configured by your own machine)
set Java_ HOME=C:\Program Files\Java\jdk1.8.0_ 144 check fs.default.name
check whether the attribute value of fs.default.name in/etc/Hadoop/core-site.xml is consistent with that in the server. Inconsistency needs to be changed to consistency. Configure environment variables
Hadoop_ Home and % Hadoop in path_ Home% \ bin configure local hosts
192.168.19.185 Server1
192.168.19.184 server2
192.168.19.199 server3winutils.exe and hadoop.dll in Hadoop/bin directory, hadoop.dll in C: \ window \ system32 directory, and restart the IDE. If an error is still reported, restart the computer
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