Tip JAVA_HOME is not set when you start slave spark
Solution:
In sbin directory spark-config.sh add your own jdk path
export JAVA_HOME = / home / hadoop / modules / jdk
start up:
sbin/start-all.sh
Solution:
In sbin directory spark-config.sh add your own jdk path
export JAVA_HOME = / home / hadoop / modules / jdk
start up:
sbin/start-all.sh