Github user zsxwing commented on the pull request:
https://github.com/apache/spark/pull/8905#issuecomment-142917583
I also saw the following exception here:
https://amplab.cs.berkeley.edu/jenkins/view/Spark-QA-Test/job/Spark-Master-SBT/3597/AMPLAB_JENKINS_BUILD_PROFILE=hadoop2.2,label=spark-test/:
```
15/09/24 00:50:13.033 pool-1-thread-1-ScalaTest-running-PageRankSuite ERROR
SparkContext: Error initializing SparkContext.
java.net.BindException: Address already in use: Service 'NettyRpcEnv'
failed after 100 retries!
at sun.nio.ch.Net.bind0(Native Method)
at sun.nio.ch.Net.bind(Net.java:444)
at sun.nio.ch.Net.bind(Net.java:436)
at
sun.nio.ch.ServerSocketChannelImpl.bind(ServerSocketChannelImpl.java:214)
at sun.nio.ch.ServerSocketAdaptor.bind(ServerSocketAdaptor.java:74)
at
io.netty.channel.socket.nio.NioServerSocketChannel.doBind(NioServerSocketChannel.java:125)
at
io.netty.channel.AbstractChannel$AbstractUnsafe.bind(AbstractChannel.java:485)
at
io.netty.channel.DefaultChannelPipeline$HeadContext.bind(DefaultChannelPipeline.java:1089)
at
io.netty.channel.AbstractChannelHandlerContext.invokeBind(AbstractChannelHandlerContext.java:430)
at
io.netty.channel.AbstractChannelHandlerContext.bind(AbstractChannelHandlerContext.java:415)
at
io.netty.channel.DefaultChannelPipeline.bind(DefaultChannelPipeline.java:903)
at io.netty.channel.AbstractChannel.bind(AbstractChannel.java:198)
at
io.netty.bootstrap.AbstractBootstrap$2.run(AbstractBootstrap.java:348)
at
io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:357)
at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:357)
at
io.netty.util.concurrent.SingleThreadEventExecutor$2.run(SingleThreadEventExecutor.java:111)
at java.lang.Thread.run(Thread.java:745)
```
I'm not sure why it will happen since it's bind to `0`. Is it possible that
the Jenkins worker exhausted all ports?
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