启动master ./start-all.sh后进入日志发现会报错，百度了一下是端口错误好像
来源：3-5 Spark Standalone模式环境搭建
大能人powerman
2019-03-19
Exception in thread “main” java.net.BindException: Cannot assign requested address: Service ‘sparkMaster’ failed after 16 retries (starting from 7077)! Consider explicitly setting the appropriate port for the service ‘sparkMaster’ (for example spark.ui.port for SparkUI) to an available port or increasing spark.port.maxRetries. at sun.nio.ch.Net.bind0(Native Method) at sun.nio.ch.Net.bind(Net.java:444)
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你加课程群，详细的日志截图发下
012019-03-20
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