我已经在 AWS 上安装了 spark。当我尝试在 AWS 上执行时，它可以工作，但 spark 不起作用，当我检查 sparkMaster 日志时，我看到以下内容：
Spark Command: /usr/lib/jvm/java-8-oracle/jre/bin/java -cp /home/ubuntu/spark/conf/:/home/ubuntu/spark/jars/* -Xmx1g org.apache.spark$
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Using Spark's default log4j profile: org/apache/spark/log4j-defaults.properties
16/09/12 09:40:18 INFO Master: Started daemon with process name: 5451@server1
16/09/12 09:40:18 INFO SignalUtils: Registered signal handler for TERM
16/09/12 09:40:18 INFO SignalUtils: Registered signal handler for HUP
16/09/12 09:40:18 INFO SignalUtils: Registered signal handler for INT
16/09/12 09:40:18 WARN MasterArguments: SPARK_MASTER_IP is deprecated, please use SPARK_MASTER_HOST
16/09/12 09:40:19 WARN NativeCodeLoader: Unable to load native-hadoop library …