【原創】大叔經驗分享（13）spark運行報錯WARN Utils: Service 'sparkDriver' could not bind on port 0. Attempting port 1

本地運行spark報錯

18/12/18 12:56:55 WARN Utils: Service 'sparkDriver' could not bind on port 0. Attempting port 1.
18/12/18 12:56:55 WARN Utils: Service 'sparkDriver' could not bind on port 0. Attempting port 1.
18/12/18 12:56:55 WARN Utils: Service 'sparkDriver' could not bind on port 0. Attempting port 1.
18/12/18 12:56:55 WARN Utils: Service 'sparkDriver' could not bind on port 0. Attempting port 1.
18/12/18 12:56:55 WARN Utils: Service 'sparkDriver' could not bind on port 0. Attempting port 1.
18/12/18 12:56:55 WARN Utils: Service 'sparkDriver' could not bind on port 0. Attempting port 1.
18/12/18 12:56:55 WARN Utils: Service 'sparkDriver' could not bind on port 0. Attempting port 1.
18/12/18 12:56:55 WARN Utils: Service 'sparkDriver' could not bind on port 0. Attempting port 1.
18/12/18 12:56:55 WARN Utils: Service 'sparkDriver' could not bind on port 0. Attempting port 1.
18/12/18 12:56:55 WARN Utils: Service 'sparkDriver' could not bind on port 0. Attempting port 1.
18/12/18 12:56:55 WARN Utils: Service 'sparkDriver' could not bind on port 0. Attempting port 1.
18/12/18 12:56:55 WARN Utils: Service 'sparkDriver' could not bind on port 0. Attempting port 1.
18/12/18 12:56:55 WARN Utils: Service 'sparkDriver' could not bind on port 0. Attempting port 1.
18/12/18 12:56:55 WARN Utils: Service 'sparkDriver' could not bind on port 0. Attempting port 1.
18/12/18 12:56:55 WARN Utils: Service 'sparkDriver' could not bind on port 0. Attempting port 1.
18/12/18 12:56:55 WARN Utils: Service 'sparkDriver' could not bind on port 0. Attempting port 1.
18/12/18 12:56:55 ERROR SparkContext: Error initializing SparkContext.
java.net.BindException: Cannot assign requested address: bind: Service 'sparkDriver' failed after 16 retries (starting from 0)! Consider explicitly setting the appropriate port for the service 'sparkDriver' (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:433)
at sun.nio.ch.Net.bind(Net.java:425)
at sun.nio.ch.ServerSocketChannelImpl.bind(ServerSocketChannelImpl.java:223)
at io.netty.channel.socket.nio.NioServerSocketChannel.doBind(NioServerSocketChannel.java:127)
at io.netty.channel.AbstractChannel$AbstractUnsafe.bind(AbstractChannel.java:501)
at io.netty.channel.DefaultChannelPipeline$HeadContext.bind(DefaultChannelPipeline.java:1218)
at io.netty.channel.AbstractChannelHandlerContext.invokeBind(AbstractChannelHandlerContext.java:506)
at io.netty.channel.AbstractChannelHandlerContext.bind(AbstractChannelHandlerContext.java:491)
at io.netty.channel.DefaultChannelPipeline.bind(DefaultChannelPipeline.java:965)
at io.netty.channel.AbstractChannel.bind(AbstractChannel.java:210)
at io.netty.bootstrap.AbstractBootstrap$2.run(AbstractBootstrap.java:353)
at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:408)
at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:455)
at io.netty.util.concurrent.SingleThreadEventExecutor$2.run(SingleThreadEventExecutor.java:140)
at io.netty.util.concurrent.DefaultThreadFactory$DefaultRunnableDecorator.run(DefaultThreadFactory.java:144)
at java.lang.Thread.run(Thread.java:745)
18/12/18 12:56:55 INFO SparkContext: Successfully stopped SparkContext

看起來一直在嘗試綁定端口0失敗，默認起始端口應該是4040，設置spark.driver.port=4040仍是報相同的錯，後來發現增長環境變量便可

SPARK_LOCAL_IP=127.0.0.1