Failed to start Dataiku Automation Node

Win2Nx
Win2Nx Registered Posts: 1 ✭✭✭
in Setup & Configuration

Hi,

Installing Design and Automation nodes in our environment (Linux). Design starts up and portal can be accessed. Automation fails to start with the following error

Win2Nx_0-1607915905112.jpeg

Exception in thread "main" java.lang.NoClassDefFoundError: org/apache/hadoop/security/UserGroupInformation
at com.dataiku.dip.hadoop.HadoopLoader.initializeSecurity(HadoopLoader.java:126)
at com.dataiku.dip.DSSBackendMain.main(DSSBackendMain.java:101)
Caused by: java.lang.ClassNotFoundException: org.apache.hadoop.security.UserGroupInformation
at java.net.URLClassLoader.findClass(URLClassLoader.java:382)
at java.lang.ClassLoader.loadClass(ClassLoader.java:418)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:352)
at java.lang.ClassLoader.loadClass(ClassLoader.java:351)

What could be the issue? @setup, @configuration

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Best Answer

  • fchataigner2
    fchataigner2 Dataiker Posts: 355 Dataiker
    Answer ✓

    Hi,

    this error means that the Hadoop integration on this DSS instance is broken (common cause: the Hadoop libs were upgraded on the machine and their location changed). You need to re-run the install-hadoop-integration command

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