July 31, 2023

Setting up the MapR ticket authentication – Docs for ESB Filter Row 7.x

Setting up the MapR ticket authentication

  • The MapR distribution you are using is from version 4.0.1
    onwards and you have selected it as the cluster to connect to in the
    component to be configured.

  • The MapR cluster has been properly installed and is

  • Ensure that you have installed the MapR client in the machine where the Studio is,
    and added the MapR client library to the PATH variable of that machine. According
    to MapR’s documentation, the library or libraries of a MapR client corresponding to
    each OS version can be found under MAPR_INSTALL
    . For example, the library for
    Windows is lib
    in the MapR
    client jar file. For further information, see the following link from MapR: http://www.mapr.com/blog/basic-notes-on-configuring-eclipse-as-a-hadoop-development-environment-for-mapr.

    Without adding the specified library or libraries, you may encounter the following
    error: no MapRClient in java.library.path.

  • This section explains only the authentication parameters to be
    used to connect to MapR. You still need to define the other parameters
    required by your Job.

    For further information, see the documentation about each
    component you are using.

In a Standard Job, you need to set up this configuration in the Basic settings tab of a Hadoop-related component to be used by
your Job.

If you are designing a Spark Job, you need
to do this configuration in the Spark configuration tab of the

In the tab, you need to proceed as follows:

  1. Select the Force MapR ticket authentication check box to
    display the related parameters to be defined.
  2. In the Username field, enter the username to be authenticated
    and in the Password field, specify the password
    used by this user.

    To enter the password, click the […] button next to the
    password field, and then in the pop-up dialog box enter the password between double quotes
    and click OK to save the settings.

    A MapR security ticket is generated for this user by MapR and stored in the machine where the
    Job you are configuring is executed.
  3. If the Group field is available in this tab, you need to
    enter the name of the group to which the user to be authenticated
  4. In the Cluster name field, enter the name of the MapR cluster
    you want to use this username to connect to.

    This cluster name can be found in the mapr-clusters.conf file located in /opt/mapr/conf of the cluster.
  5. In the Ticket duration field, enter the length of time (in
    seconds) during which the ticket is valid.

Document get from Talend https://help.talend.com
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