[jira] [Created] (SENTRY-2559) DefaultSentryValidator: Use session's specified classloader to load the udf class instead

["Zhihua Deng (Jira)" <ji...@apache.org>]

Zhihua Deng created SENTRY-2559:
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             Summary: DefaultSentryValidator: Use session's specified classloader to load the udf class instead
                 Key: SENTRY-2559
                 URL: https://issues.apache.org/jira/browse/SENTRY-2559
             Project: Sentry
          Issue Type: Improvement
          Components: Hive V2
    Affects Versions: 1.7.1
            Reporter: Zhihua Deng


When hive creating functions, a ClassNotFoundException may be thrown if the corresponding external jar is added to the session:
 
Caused by: org.apache.hadoop.hive.ql.security.authorization.plugin.HiveAuthzPluginException: Error retrieving udf class
at org.apache.sentry.binding.hive.v2.authorizer.DefaultSentryValidator.addExtendHierarchy(DefaultSentryValidator.java:321)
at org.apache.sentry.binding.hive.v2.authorizer.DefaultSentryValidator.checkPrivileges(DefaultSentryValidator.java:181)
... 23 more
Caused by: java.lang.ClassNotFoundException: com.xxx.IP2Address
at java.net.URLClassLoader.findClass(URLClassLoader.java:381)
at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:331)
at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:264)
at org.apache.sentry.binding.hive.v2.authorizer.DefaultSentryValidator.addExtendHierarchy(DefaultSentryValidator.java:305)
 
Use session's specified classloader to load the udf class instead



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