Zookeeper starts the specified JDK version method

Zookeeper starts the specified JDK version

1. Download the jdk21 version from the official website

Java Downloads | Oracle

2. The jdk-21_linux-x64_bin. file will be downloaded

The uploaded host /usr/java directory is below.

3. Unzip the file in the /usr/java directory

tar -zxvf jdk-21_linux-x64_bin.

4. Modify the script below the bin directory of zookeeper

Add the directory where jdk21 is installed before the script line about getting JAVA_HOME.

JAVA_HOME=/usr/java/jdk-21.0.5
if [[ -n "$JAVA_HOME" ]] && [[ -x "$JAVA_HOME/bin/java" ]];  then
    JAVA="$JAVA_HOME/bin/java"
elif type -p java; then
    JAVA=java
else
    echo "Error: JAVA_HOME is not set and java could not be found in PATH." 1>&2
    exit 1
fi

5. Restart zookeeper

After restarting, check the zookeeper status and check the zookeeper process.

 stop

 start

 status 

ps -ef | grep zookeeper

Summarize

The above is personal experience. I hope you can give you a reference and I hope you can support me more.