I just contact the hadoop and Linux environment variable configuration out of the big issues checked many blogs but has not been configured
Ask teachers for advice

CodePudding user response:

Export JAVA_HOME=/usr/Java/1.7.0 _09
The export PATH=$PATH: $JAVA_HOME/bin
Export HADOOP_HOME=/usr/itcast/hadoop - 2.6.1
The export PATH=$PATH: $HADOOP_HOME/bin: $HADOOP_HOME/sbin

CodePudding user response:

Itcast, dark horse, ha ha,,,

CodePudding user response:

 export JAVA_HOME=/home/xyz/Java/jdk1.8.0 _45 

Export JRE_HOME=$JAVA_HOME/jre 
Export the CLASSPATH=$JAVA_HOME/lib: $$JRE_HOME: $CLASSPATH 
The export PATH=$JAVA_HOME/bin/: $JRE_HOME/bin/: $PATH 
Export HADOOP_HOME=/home/xyz/hadoop/hadoop - 2.7.0 
The export PATH=$HADOOP_HOME/bin/: $PATH 
The export PATH=$HADOOP_HOME/sbin/: $PATH:/home/xyz/hive/apache - hive - 1.2.1 - bin/bin/
Export LD_LIBRARY_PATH=$HADOOP_HOME/lib/native/: $LD_LIBRARY_PATH 
Export JAVA_LIBRARY_PATH=$HADOOP_HOME/lib/native/
Export HADOOP_PREFIX=$HADOOP_HOME 
Export HADOOP_COMMON_LIB_NATIVE_DIR=${HADOOP_PREFIX}/lib/native 
Export HADOOP_OPTS="- Djava. If the path=$HADOOP_PREFIX/lib" 
Export LD_LIBRARY_PATH=$JAVA_HOME/jre/lib/amd64/server/: $LD_LIBRARY_PATH 
Export FINDBUGS_HOME=/home/xyz/hadoop/findbugs - 3.0.0 

CodePudding user response:

 
Export JAVA_HOME=/usr/local/Java/jdk1.8.0 _51 
Export HADOOP_HOME=/home/hadoop 
The export PATH=$PATH: $HADOOP_HOME/sbin: $HADOOP_HOME/bin 
The export PATH=$PATH: $JAVA_HOME/bin 

CodePudding user response:

My/etc/profile file is so worthy of
# set the Java environment
Export JAVA_HOME=/usr/Java/jdk1.8.0 _151
Export the CLASSPATH=. : $CLASSPATH: $JAVA_HOME/lib: $JAVA_HOME/jre/lib
The export PATH=$PATH: $JAVA_HOME/bin: $JAVA_HOME/jre/bin

CodePudding user response:

JDK version down there will be a problem, try the jdk1.8

CodePudding user response:

This is a look at your hadoop Java environment configuration is wrong