Spark集群启动——JAVA_HOME未设置

 starting org.apache.spark.deploy.master.Master, logging to /opt/spark/logs/sp

    
 ark-root-org.apache.spark.deploy.master.Master-1-henu1.outhenu3: starting org.apache.spark.deploy.worker.Worker, logging to /opt/spark/
    
 logs/spark-root-org.apache.spark.deploy.worker.Worker-1-henu3.outhenu2: starting org.apache.spark.deploy.worker.Worker, logging to /opt/spark/
    
 logs/spark-root-org.apache.spark.deploy.worker.Worker-1-henu2.outhenu3: failed to launch: nice -n 0 /opt/spark/bin/spark-class org.apache.spar
    
 k.deploy.worker.Worker --webui-port 8081 spark://henu1:7077henu2: fail