The Hive JDBC server is configured with Kerberos authentication if the hive.server2.authentication property is set to KERBEROS in the hive-site.xml file. We start by giving a quick overview of Kerberos. Why do we use the Hive service principal when using beeline to connect to Hive on a Kerberos enabled EMR cluster? You can execute the queries on Hive server from remote host machine. Then your Oozie shell action will need to run a script that runs a kinit using the keytab and then runs the beeline command. If Kerberos authentication is disabled, skip this step. ‎01-10-2016 Was your issue based on similar lines? The user should have a valid Kerberos ticket. Support Questions Find answers, ask questions, and share your expertise cancel ... Kerberos user principals have 2 parts (otherwise you'd be right... that would be a deployment nightmare!). The CDH 5.1.0 cluster is secured with Kerberos (authentication) and Sentry (authorization). Below is an example: beeline -u "jdbc:hive2://127.0.0.1:10000/default;principal=hive/sandbox.hortonworks.com@EXAMPLE.COM;auth-kerberos" -n , They key part of this example is the JDBC URL that has to be provided for Kerberos authentication to work correctly. I would like to achieve it with the help of hive2/hcat credentials. The second link, which you've pasted, shows how to do that. 03:30 PM. Created This is required so that beeline knows what specific kerberos TGT to look for. Why do we use the Hive service principal when using beeline to connect to Hive on a Kerberos enabled EMR cluster? I am trying to use beeline with hive + kerberos (Hortonworks sandbox 2.3) The problem is that I can use hdfs but not beeline and I do not know what is wrong. Then it works. I am able to execute if script has kinit with keytab and principal. To run more users concurrently agains… Auto-suggest helps you quickly narrow down your search results by suggesting possible matches as you type. If configured, you can issues queries such as: sqlContext.sql("SHOW TABLES").show() 1. Solved: Hi all, I'm trying to migrate to beeline from HIVE CLI. Connecting to remote Mapr Hive via JDBC. Run the client command of the Hive component. site design / logo © 2021 Stack Exchange Inc; user contributions licensed under cc by-sa. Note that HIVE_SERVER2_KERBEROS_KEYTAB for the keytab file for HiveServer2 is not used for running Beeline. It also assures you that you are really connecting to the service that you requested and not so… But I am looking for a way to connect it with a keytab file. The hive hook has been updated to take advantage of kerberos authentication. Accessing hive metastore using jdbc with kerberos keytab. The clients may be native command-line editors or applications/tools using a driver such as ODBC or JDBC. What does Mazer Rackham (Ender's Game) mean when he says that the only teacher is the enemy? To enable on Hive Client side (beeline), simply add the following export commands before you run beeline command: Example: kinit hiveuser. 3. For example, Kerberos principal user1/cluster-m@MY.REALM is mapped to system user1, and Ranger policies are defined to allow or deny permissions for user1. Beeline remote mode is used to connect to Hive server from other Linux host machine. 01:24 PM. hive.server2.thrift.sasl.qop in hive-site.xml has to be set to one of the valid QOP values ('auth', 'auth-int' or 'auth-conf'). After you have a valid ticket - you can use the following URL to connect using beeline: It tells you what service principal is used to authenticate to this URL. There are different ways to interact with Hive or Impala. In this case the property value for beeline.hs2.connection.principal overrides the value of HiveConf.ConfVars.HIVE_SERVER2_KERBEROS_PRINCIPAL from hive-site.xml as far as connection … The HPE Ezmeral DF Support Portal provides customers and big data enthusiasts access to hundreds of self-service knowledge articles crafted from known issues, answers to the most common questions we receive from customers, past issue resolutions, and alike. Posted by smpdawg on Tue, 10 Dec 2019 17:22:35 +0100 Beeline CLI: Hive 0.11 also includes a new command-line interface (CLI) called Beeline that works with HiveServer2. ‎01-11-2016 beeline -u "jdbc:hive2://:10000/;principal=hive/@, Created When connecting to Hive via ODBC, the client must have a valid MapR or Kerberos ticket. In the webbrowser you can use Hue, while on the command line of one of your nodes in the cluster, you can use Hive CLI, Beeline or Impala shell. LOG_LEVEL specifies the logging level. Professor Legasov superstition in Chernobyl. Kumar and @greenmarker : Thanks for the reply. In Hive, a component called HiveServer serves this purpose. ... (ESP) cluster using Kerberos. Console output: [margusja@sandbox ~]$ kdestroy [margusja@sandbox ~]$ hdfs dfs -ls /user/ … A common pitfall is the fact that by default Java is only is only able to process AES … All of this assumes that when you login to the edge node server, you followed standard protocol to get a kerberos TGT. Accessing hive metastore using jdbc with kerberos keytab, Kerberized Hadoop Hive Beeline access issue, JSch can't connect via Kerberos keytab file. You can use knit command along with keytab file to create ticket. http://doc.mapr.com/display/MapR40x/Configuring+Hive+on+a+Secure+Cluster#ConfiguringHiveonaSecureCluster-UsingBeelinewithKerberos. To survive Before connecting to Hive server, you must create Kerberos ticket. I have the same issue, in the sandbox 2.4. But over the past few years, as adoption of Hive increased, more and more customers reported two major requirements unaddressed by HiveServer: 1. Though you provided kerberos details, still it will ask you the username and password. The cluster is a Kerberos enabled cluster. You can just enter -> enter, it allows us to connect. Why am I getting rejection in PhD after interview? ‎02-02-2016 Fine grained authorization In this blog I will explain how to use beeline in a secured cluster. 0. How to connect hive through beeline with kerberos and (AUTO_TLS) SSL enabled and resolving GSS initiation error. I have HDP-2.3.4.0 Kerberized cluster and I have enabled SSL for hiveserver2 using this documentation link hiveserver2 daemon is running fine however I'm unable to connect to hiveserver2 using beeline. Afterwards you connect by command: !connect jdbc:hive2://:10000/default;principal=mapr/, where principal is a principalName present inside your keytab. Just press enter two times. This is become troublesome for many reason, however the show stopper is the. Connecting to Hive using Beeline. 01:57 PM. What happens when an aboleth enslaves another aboleth who's enslaved a werewolf? 02:00 AM. Configuring JDBC Clients for Kerberos Authentication with HiveServer2 (Using the Apache Hive Driver in Beeline) JDBC-based clients must include principal= in the JDBC connection string. I am facing similar issue and setting the debug flag is not helping me much. ‎03-31-2016 Should I say "sent by post" or "sent by a post"? ), Created How can the agent of a devil "capture" a soul? Asking for help, clarification, or responding to other answers. The issue with beeline access to hive when using Kerberos, is that we need to use the "right principal" in the connection string - and it MUST be hive's principal.. 1. I am able to execute if script has kinit with keytab and principal. HIVE_CLIENT_HEAPSIZE specifies the heap size (in MB) for Beeline. You can execute Hive Beeline JDBC string command from Python. Is there anything like Schengen area anywhere else in the world? For details about how to configure Hive permissions, see Configuring Hive Permissions, and bind roles to the user. @Margus Roo are you still having issues with this? Viewed 939 times 1. It is a bug, but it is not a critical one. That user who tries to run the shell command won't be automatically authenticated with Kerberos. With a valid hive (or other) TGT, I am able to list the hdfs directories (hadoop fs -ls /). The hive hook has been updated to take advantage of kerberos authentication. I will outline below steps in order to turn on debugging message from both Client and HiveServer2 server side. ‎01-12-2016 Apache Beeline is a Hive client that is included on the head nodes of your HDInsight cluster. When connecting from an SSH session to a cluster headnode, you can then connect to the headnodehost address on port 10001: JDBC-based clients must include principal= in the JDBC connection string. The connection strings you pass to Beeline must use the principal name that you configured for HiveServer2. I believe you will have to place a Kerberos keytab for the user on each data node.
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