Spark应用程序无法写入在docker中运行的elasticsearch解决办法

报错如下:
20/12/15 16:23:44 INFO EsRDDWriter: Writing to [spark/docs]
20/12/15 16:24:05 INFO HttpMethodDirector: I/O exception (java.net.ConnectException) caught when processing request: Connection timed out: connect
20/12/15 16:24:05 INFO HttpMethodDirector: Retrying request
20/12/15 16:24:05 INFO HttpMethodDirector: I/O exception (java.net.ConnectException) caught when processing request: Connection timed out: connect
20/12/15 16:24:05 INFO HttpMethodDirector: Retrying request
20/12/15 16:24:26 INFO HttpMethodDirector: I/O exception (java.net.ConnectException) caught when processing request: Connection timed out: connect
20/12/15 16:24:26 INFO HttpMethodDirector: Retrying request
20/12/15 16:24:26 INFO HttpMethodDirector: I/O exception (java.net.ConnectException) caught when processing request: Connection timed out: connect
20/12/15 16:24:26 INFO HttpMethodDirector: Retrying request

解决办法:

conf.set("es.nodes.wan.only", "true")

添加如上配置项即可

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