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From "Roman Shaposhnik (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HADOOP-9299) kerberos resolution is kicking in even when kerberos is not configured
Date Tue, 12 Feb 2013 20:17:13 GMT
Roman Shaposhnik created HADOOP-9299:
----------------------------------------

             Summary: kerberos resolution is kicking in even when kerberos is not configured
                 Key: HADOOP-9299
                 URL: https://issues.apache.org/jira/browse/HADOOP-9299
             Project: Hadoop Common
          Issue Type: Bug
          Components: security
    Affects Versions: 2.0.3-alpha
            Reporter: Roman Shaposhnik
            Priority: Blocker
             Fix For: 2.0.3-alpha


Here's what I'm observing on a fully distributed cluster deployed via Bigtop from the RC0
2.0.3-alpha tarball:

{noformat}
528077-oozie-tucu-W@mr-node] Error starting action [mr-node]. ErrorType [TRANSIENT], ErrorCode
[JA009], Message [JA009: org.apache.hadoop.security.authentication.util.KerberosName$NoMatchingRule:
No rules applied to yarn/localhost@LOCALREALM
        at org.apache.hadoop.security.token.delegation.AbstractDelegationTokenIdentifier.<init>(AbstractDelegationTokenIdentifier.java:68)
        at org.apache.hadoop.mapreduce.v2.api.MRDelegationTokenIdentifier.<init>(MRDelegationTokenIdentifier.java:51)
        at org.apache.hadoop.mapreduce.v2.hs.HistoryClientService$HSClientProtocolHandler.getDelegationToken(HistoryClientService.java:336)
        at org.apache.hadoop.mapreduce.v2.api.impl.pb.service.MRClientProtocolPBServiceImpl.getDelegationToken(MRClientProtocolPBServiceImpl.java:210)
        at org.apache.hadoop.yarn.proto.MRClientProtocol$MRClientProtocolService$2.callBlockingMethod(MRClientProtocol.java:240)
        at org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:454)
        at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:1014)
        at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:1735)
        at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:1731)
        at java.security.AccessController.doPrivileged(Native Method)
        at javax.security.auth.Subject.doAs(Subject.java:396)
        at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1441)
        at org.apache.hadoop.ipc.Server$Handler.run(Server.java:1729)
Caused by: org.apache.hadoop.security.authentication.util.KerberosName$NoMatchingRule: No
rules applied to yarn/localhost@LOCALREALM
        at org.apache.hadoop.security.authentication.util.KerberosName.getShortName(KerberosName.java:378)
        at org.apache.hadoop.security.token.delegation.AbstractDelegationTokenIdentifier.<init>(AbstractDelegationTokenIdentifier.java:66)
        ... 12 more
]
{noformat}

This is submitting a mapreduce job via Oozie 3.3.1. The reason I think this is a Hadoop issue
rather than the oozie one is because when I hack /etc/krb5.conf to be:

{noformat}
[libdefaults]
   ticket_lifetime = 600
   default_realm = LOCALHOST
   default_tkt_enctypes = des3-hmac-sha1 des-cbc-crc
   default_tgs_enctypes = des3-hmac-sha1 des-cbc-crc

[realms]
   LOCALHOST = {
       kdc = localhost:88
       default_domain = .local
   }

[domain_realm]
   .local = LOCALHOST

[logging]
   kdc = FILE:/var/log/krb5kdc.log
   admin_server = FILE:/var/log/kadmin.log
   default = FILE:/var/log/krb5lib.log
{noformat}

The issue goes away. 

Now, once again -- the kerberos auth is NOT configured for Hadoop, hence it should NOT pay
attention to /etc/krb5.conf to begin with.



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