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06-07-2019
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08-22-2019
03:45 PM
Can we use Ambari_helper concept to write the script to delete dead nodes from Ambari. Can please guide where Can I get details about Ambari_helper classes?
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06-26-2019
02:01 PM
@Nani Bigdata Does it answers your query? Or do you have any additional query in this regard? If not then please mark this HCC thread as resolved by clicking on the "Accept" Button.
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06-13-2019
06:25 PM
Thank you very much Jay. (1) What is the command to check if the process 'SPARK2_JOBHISTORYSERVER_PROCESS' is up and running (2) what is the port "spark2-defaults/spark.history.ui.port" ? basically is this only reason for this job failure
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06-21-2019
04:10 PM
Thank you.As mentioned earlier netstat -tnlpa | grep `cat /var/run/hive/hive-server.pid` itself is not showing port 10001. Below is the error stack ERROR jdbc.HiveConnection: Error opening session org.apache.thrift.transport.TTransportException: org.apache.http.conn.HttpHostConnectException: Connect to localhost:10001 [localhost/127.0.0.1] failed: Connection refused (Connection refused) at org.apache.thrift.transport.THttpClient.flushUsingHttpClient(THttpClient.java:297) at org.apache.thrift.transport.THttpClient.flush(THttpClient.java:313) at org.apache.thrift.TServiceClient.sendBase(TServiceClient.java:73) at org.apache.thrift.TServiceClient.sendBase(TServiceClient.java:62) at org.apache.hive.service.cli.thrift.TCLIService$Client.send_OpenSession(TCLIService.java:158) at org.apache.hive.service.cli.thrift.TCLIService$Client.OpenSession(TCLIService.java:150) at org.apache.hive.jdbc.HiveConnection.openSession(HiveConnection.java:622) at org.apache.hive.jdbc.HiveConnection.<init>(HiveConnection.java:221) at org.apache.hive.jdbc.HiveDriver.connect(HiveDriver.java:105) at java.sql.DriverManager.getConnection(DriverManager.java:664) at java.sql.DriverManager.getConnection(DriverManager.java:208) at org.apache.hive.beeline.DatabaseConnection.connect(DatabaseConnection.java:146) at org.apache.hive.beeline.DatabaseConnection.getConnection(DatabaseConnection.java:211) at org.apache.hive.beeline.Commands.connect(Commands.java:1204) at org.apache.hive.beeline.Commands.connect(Commands.java:1100) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at org.apache.hive.beeline.ReflectiveCommandHandler.execute(ReflectiveCommandHandler.java:54) at org.apache.hive.beeline.BeeLine.dispatch(BeeLine.java:998) at org.apache.hive.beeline.BeeLine.initArgs(BeeLine.java:717) at org.apache.hive.beeline.BeeLine.begin(BeeLine.java:779) at org.apache.hive.beeline.BeeLine.mainWithInputRedirection(BeeLine.java:493) at org.apache.hive.beeline.BeeLine.main(BeeLine.java:476) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at org.apache.hadoop.util.RunJar.run(RunJar.java:243) at org.apache.hadoop.util.RunJar.main(RunJar.java:158) Caused by: org.apache.http.conn.HttpHostConnectException: Connect to localhost:10001 [localhost/127.0.0.1] failed: Connection refused (Connection refused) at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:151) at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:353) at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:380) at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236) at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:184) at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:88) at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110) at org.apache.http.impl.execchain.ServiceUnavailableRetryExec.execute(ServiceUnavailableRetryExec.java:84) at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:184) at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:117) at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:55) at org.apache.thrift.transport.THttpClient.flushUsingHttpClient(THttpClient.java:251) ... 30 more Caused by: java.net.ConnectException: Connection refused (Connection refused) at java.net.PlainSocketImpl.socketConnect(Native Method) at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) at java.net.Socket.connect(Socket.java:589) at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:74) at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:134) ... 41 more Error: Could not establish connection to jdbc:hive2://localhost:10001/;transportMode=http: org.apache.http.conn.HttpHostConnectException: Connect to localhost:10001 [localhost/127.0.0.1] failed: Connection refused (Connection refused) (state=08S01,code=0)
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