HDP on Linux – Installation Forum

Datanode not starting

  • #32657
    Ardavan Moinzadeh
    Participant

    I am getting the follwing error when I try to start my datanode
    starting datanode, logging to /usr/lib/hadoop/libexec/../logs/hadoop-hdfs-datanode-node13.out
    Error: JAVA_HOME is not set.
    Namenode and SNN are coming up with no issue,

    Thank you

to create new topics or reply. | New User Registration

  • Author
    Replies
  • #32872
    Robert
    Participant

    Hi Ardavan,
    Did you use ambari installation or used manual rpm ? Is this is a single node cluster? It looks like you didn’t set your java_home properly.

    Regards,
    Robert

You must be to reply to this topic. | Create Account

Support from the Experts

A HDP Support Subscription connects you experts with deep experience running Apache Hadoop in production, at-scale on the most demanding workloads.

Enterprise Support »

Become HDP Certified

Real world training designed by the core architects of Hadoop. Scenario-based training courses are available in-classroom or online from anywhere in the world

Training »

Hortonworks Data Platform
The Hortonworks Data Platform is a 100% open source distribution of Apache Hadoop that is truly enterprise grade having been built, tested and hardened with enterprise rigor.
Get started with Sandbox
Hortonworks Sandbox is a self-contained virtual machine with Apache Hadoop pre-configured alongside a set of hands-on, step-by-step Hadoop tutorials.
Modern Data Architecture
Tackle the challenges of big data. Hadoop integrates with existing EDW, RDBMS and MPP systems to deliver lower cost, higher capacity infrastructure.