Hello Team, I'm working in my windows machine on an application that need to coonect to hive tables which created in distant redhat machine. I m using java spring boot. I m tring to cionnect using: Connection connection = DriverManager.getConnection("jdbc:hive2://my_machine_hostname:10000/mydatabase", "my_username", "mypassword"); and I get this error: java.sql.SQLException: Could not open client transport with JDBC Uri: jdbc:hive2://my_machine_hostname:10000/my_database: java.net.ConnectException: Connection timed out: connect at org.apache.hive.jdbc.HiveConnection.<init>(HiveConnection.java:224) ~[hive-jdbc-2.3.4.jar:2.3.4] at org.apache.hive.jdbc.HiveDriver.connect(HiveDriver.java:107) ~[hive-jdbc-2.3.4.jar:2.3.4] at java.sql.DriverManager.getConnection(Unknown Source) ~[na:1.8.0_191] at java.sql.DriverManager.getConnection(Unknown Source) ~[na:1.8.0_191] at com.orange.SearchEngineHive.Repositories.SearchEngineRepo.getData(SearchEngineRepo.java:44) ~[classes/:na] ... View more

I want to manually install ambari-agent in the same host that contains ambari-server when I try ambari-agent start it gives me "bash: /var/lib/ambari-agent/bin/ambari-agent: Permission denied" I run the command with root permission, how to start ambari-agent any help, please ... View more

I installed ambari-server but when I want to run into ambari-server setup after the configuration of database give me conf.png , PostgreSQL service is active also /tmp have have permission ! any help please! ... View more

I installed ambari server but when I run ambari-server setup h=give this error Enter advanced database configuration [y/n] (n)? n Configuring database... Default properties detected. Using built-in database. Configuring ambari database... Checking PostgreSQL... Configuring local database... Configuring PostgreSQL... Backup for pg_hba found, reconfiguration not required Creating schema and user... ERROR: Unexpected OSError: [Errno 13] Permission denied! This figure show the configuration conf.png also the postgresQL service is runing and active. any help please ... View more

Hello Team, I m trying to install ambari server in my offline redhat I proceded the installation provided here https://docs.hortonworks.com/HDPDocuments/Ambari-2.7.0.0/bk_ambari-installation/content/ch_using-local-repos.html I installed ambari successfully but when I run ambari-server setup it gives this error " /usr/sbin/ambari-server: line 91: line: unbound variable" any help please ... View more

Hello Team! I m working with millions of csv separate files. Every 5 minutes I receive 4 csv files I developed spark job for transform these 4 files to mongodb documents(the job execute each 5 minutes). I m using Zepplin for data discovery and explorations tasks based on spark interpreter and mongodb spark connector it works well but the problem is for 10 days of data in mogodb collection (purge the first day and add the actual one) and with 48 gb RAM 12 cpu it's slow, actually I want a 30 historical days this task will be impossible so I m reflecting to replace mongodb and store the result of transforming csv files into hdfs in the json format. I don't know if this solution will give me a better performance(speed and memory)? any suggestions, please Thank u ! ... View more