[java] How to set JAVA_HOME in Linux for all users

open kafka-run-class.sh with sudo to write

you can find kafka-run-class.sh in your kafka folder : kafka/bin/kafka-run-class.sh

check for these lines

enter image description here

Modify the JAVA variable in the else part to point to the java executable in your java/bin. like JAVA="$JAVA_HOME/java"

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