RT
我本机是能ping通elasticSearch的9200端口的。
org.elasticsearch.hadoop.rest.EsHadoopNoNodesLeftException: Connection error (check network and/or proxy settings)- all nodes faile]]
at org.elasticsearch.hadoop.rest.NetworkClient.execute(NetworkClient.java:123)
at org.elasticsearch.hadoop.rest.RestClient.execute(RestClient.java:303)
at org.elasticsearch.hadoop.rest.RestClient.execute(RestClient.java:287)
at org.elasticsearch.hadoop.rest.RestClient.execute(RestClient.java:291)
at org.elasticsearch.hadoop.rest.RestClient.get(RestClient.java:118)
at org.elasticsearch.hadoop.rest.RestClient.discoverNodes(RestClient.java:100)
at org.elasticsearch.hadoop.rest.InitializationUtils.discoverNodesIfNeeded(InitializationUtils.java:57)
at org.elasticsearch.hadoop.rest.RestService.createWriter(RestService.java:346)
at org.elasticsearch.spark.rdd.EsRDDWriter.write(EsRDDWriter.scala:31)
at org.elasticsearch.spark.rdd.EsSpark$$anonfun$saveToEs$1.apply(EsSpark.scala:34)
at org.elasticsearch.spark.rdd.EsSpark$$anonfun$saveToEs$1.apply(EsSpark.scala:34)
at org.apache.spark.scheduler.ResultTask.runTask(ResultTask.scala:87)
at org.apache.spark.scheduler.Task.run(Task.scala:99)
at org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:282)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:745)
"es.nodes.wan.only"->"true"
有可能是es-hadoop版本与Spark不一致导致的错误，你可以参考我的文章《Spark写ES遇到的坑》