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Posted to common-issues@hadoop.apache.org by "Eric Yang (JIRA)" <ji...@apache.org> on 2019/07/24 16:12:00 UTC

[jira] [Created] (HADOOP-16457) Hadoop does not work without Kerberos for simple security

Eric Yang created HADOOP-16457:
----------------------------------

             Summary: Hadoop does not work without Kerberos for simple security
                 Key: HADOOP-16457
                 URL: https://issues.apache.org/jira/browse/HADOOP-16457
             Project: Hadoop Common
          Issue Type: Bug
    Affects Versions: 3.3.0
            Reporter: Eric Yang
            Assignee: Prabhu Joseph


When http filter initializers is setup to use StaticUserWebFilter, AuthFilter is still setup.  This prevents datanode to talk to namenode.

Error message in namenode logs:
{code}
2019-07-24 15:47:38,038 INFO org.apache.hadoop.hdfs.DFSUtil: Filter initializers set : org.apache.hadoop.http.lib.StaticUserWebFilter,org.apache.hadoop.hdfs.web.AuthFilterInitializer
2019-07-24 16:06:26,212 WARN SecurityLogger.org.apache.hadoop.security.authorize.ServiceAuthorizationManager: Authorization failed for hdfs (auth:SIMPLE) for protocol=interface org.apache.hadoop.hdfs.server.protocol.DatanodeProtocol: this service is only accessible by dn/eyang-5.openstacklocal@EXAMPLE.COM
{code}

Errors in datanode log:
{code}
2019-07-24 16:07:01,253 WARN org.apache.hadoop.hdfs.server.datanode.DataNode: Problem connecting to server: eyang-1.openstacklocal/172.26.111.17:9000
{code}

The logic in HADOOP-16354 always added AuthFilter regardless which http filter initializer is chosen.  This is wrong.



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