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Failed to start Dataiku Automation Node

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Failed to start Dataiku Automation Node

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

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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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1 Reply
Dataiker
Dataiker

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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