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Posted to dev@kylin.apache.org by "Zhichao Zhang (Jira)" <ji...@apache.org> on 2020/08/13 09:30:00 UTC

[jira] [Created] (KYLIN-4694) Fix 'NoClassDefFoundError: Lcom/esotericsoftware/kryo/io/Output' when query with sparder on yarn

Zhichao  Zhang created KYLIN-4694:
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             Summary: Fix 'NoClassDefFoundError: Lcom/esotericsoftware/kryo/io/Output' when query with sparder on yarn
                 Key: KYLIN-4694
                 URL: https://issues.apache.org/jira/browse/KYLIN-4694
             Project: Kylin
          Issue Type: Bug
          Components: Query Engine
    Affects Versions: v4.0.0-beta
            Reporter: Zhichao  Zhang
            Assignee: Zhichao  Zhang


Fix 'NoClassDefFoundError: Lcom/esotericsoftware/kryo/io/Output' when query with sparder on yarn.

 

Root cause:

Class 'com/esotericsoftware/kryo/io/Output' is loaded by SparkClassLoader, but there are some classes which are loaded by SparkClassLoader's parent classloader using this class.



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