java.net.SocketTimeoutException: Read timed out
	at java.net.SocketInputStream.socketRead0(Native Method)
	at java.net.SocketInputStream.socketRead(SocketInputStream.java:116)
	at java.net.SocketInputStream.read(SocketInputStream.java:171)
	at java.net.SocketInputStream.read(SocketInputStream.java:141)
	at org.apache.livy.shaded.apache.http.impl.io.SessionInputBufferImpl.streamRead(SessionInputBufferImpl.java:139)
	at org.apache.livy.shaded.apache.http.impl.io.SessionInputBufferImpl.fillBuffer(SessionInputBufferImpl.java:155)
	at org.apache.livy.shaded.apache.http.impl.io.SessionInputBufferImpl.readLine(SessionInputBufferImpl.java:284)
	at org.apache.livy.shaded.apache.http.impl.conn.DefaultHttpResponseParser.parseHead(DefaultHttpResponseParser.java:138)
	at org.apache.livy.shaded.apache.http.impl.conn.DefaultHttpResponseParser.parseHead(DefaultHttpResponseParser.java:56)
	at org.apache.livy.shaded.apache.http.impl.io.AbstractMessageParser.parse(AbstractMessageParser.java:261)
	at org.apache.livy.shaded.apache.http.impl.DefaultBHttpClientConnection.receiveResponseHeader(DefaultBHttpClientConnection.java:165)
	at org.apache.livy.shaded.apache.http.protocol.HttpRequestExecutor.doReceiveResponse(HttpRequestExecutor.java:272)
	at org.apache.livy.shaded.apache.http.protocol.HttpRequestExecutor.execute(HttpRequestExecutor.java:124)
	at org.apache.livy.shaded.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:272)
	at org.apache.livy.shaded.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:185)
	at org.apache.livy.shaded.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:111)
	at org.apache.livy.shaded.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
	at org.apache.livy.shaded.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:83)
	at org.apache.livy.shaded.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:108)
	at org.apache.livy.client.http.LivyConnection.sendRequest(LivyConnection.java:218)
	at org.apache.livy.client.http.LivyConnection.sendJSONRequest(LivyConnection.java:203)
	at org.apache.livy.client.http.LivyConnection.get(LivyConnection.java:166)
	at org.apache.livy.client.http.JobHandleImpl$JobPollTask.run(JobHandleImpl.java:228)
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
	at java.util.concurrent.FutureTask.run$$$capture(FutureTask.java:266)
	at java.util.concurrent.FutureTask.run(FutureTask.java)
	at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
	at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
	at java.lang.Thread.run(Thread.java:748)