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我正在嘗試一個簡單的工作計數程序使用火花,但它失敗時,我嘗試初始化火花上下文。 下面是我的代碼無法初始化使用java的火花上下文
conf = new SparkConf(true).
setAppName("WordCount").
setMaster("spark://192.168.0.104:7077");
sc = new JavaSparkContext(conf);
現在幾件事情我想澄清我使用的Spark版本2.1.1,我的Java代碼在Windows 10和我的服務器上的虛擬機運行框中。 我禁用了VM中的防火牆,並且可以從Windows訪問URL http://192.168.0.104:8080/。
但是我運行的代碼
17/08/06 18:44:15 INFO SparkUI: Bound SparkUI to 0.0.0.0, and started at http://192.168.0.103:4040
17/08/06 18:44:15 INFO StandaloneAppClient$ClientEndpoint: Connecting to master spark://192.168.0.104:7077...
17/08/06 18:44:15 INFO TransportClientFactory: Successfully created connection to /192.168.0.104:7077 after 41 ms (0 ms spent in bootstraps)
17/08/06 18:44:15 WARN StandaloneAppClient$ClientEndpoint: Failed to connect to master 192.168.0.104:7077
org.apache.spark.SparkException: Exception thrown in awaitResult
at org.apache.spark.rpc.RpcTimeout$$anonfun$1.applyOrElse(RpcTimeout.scala:77)
at org.apache.spark.rpc.RpcTimeout$$anonfun$1.applyOrElse(RpcTimeout.scala:75)
at scala.runtime.AbstractPartialFunction.apply(AbstractPartialFunction.scala:33)
at org.apache.spark.rpc.RpcTimeout$$anonfun$addMessageIfTimeout$1.applyOrElse(RpcTimeout.scala:59)
at org.apache.spark.rpc.RpcTimeout$$anonfun$addMessageIfTimeout$1.applyOrElse(RpcTimeout.scala:59)
時得到以下堆棧跟蹤我可不可以有一個人幫助嗎?