java.io.IOException: Failed to connect to /12.122.23.2:7070 at org.apache.spark.network.client.TransportClientFactory.createClient( TransportClientFactory.java:216) at org.apache.spark.network.client.TransportClientFactory.createClient( TransportClientFactory.java:167) at org.apache.spark.rpc.netty.NettyRpcEnv.createClient( NettyRpcEnv.scala:200)

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Failed to connect to /12.122.23.2:7070 at org.apache.spark.network.client.TransportClientFactory.createClient( TransportClientFactory.java:216) at org.apache.spark.network.client.TransportClientFactory.createClient( TransportClientFactory.java:167) at org.apache.spark.rpc.netty.NettyRpcEnv.createClient( NettyRpcEnv.scala:200)
java.io.IOException: Failed to connect to /12.122.23.2:7070
 at org.apache.spark.network.client.TransportClientFactory.createClient(
 TransportClientFactory.java:216)
 at org.apache.spark.network.client.TransportClientFactory.createClient(
 TransportClientFactory.java:167)
 at org.apache.spark.rpc.netty.NettyRpcEnv.createClient(
 NettyRpcEnv.scala:200)	at org.apache.spark.rpc.netty.Outbox$$anon$1.call(Outbox.scala:187)	at org.apache.spark.rpc.netty.Outbox$$anon$1.call(Outbox.scala:183)	at java.util.concurrent.FutureTask.run(FutureTask.java:262)