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https://issues.apache.org/jira/browse/PIG-1601?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12906874#action_12906874
]
Thejas M Nair commented on PIG-1601:
------------------------------------
+1
> Make scalar work for secure hadoop
> ----------------------------------
>
> Key: PIG-1601
> URL: https://issues.apache.org/jira/browse/PIG-1601
> Project: Pig
> Issue Type: Bug
> Components: impl
> Affects Versions: 0.8.0
> Reporter: Daniel Dai
> Assignee: Daniel Dai
> Fix For: 0.8.0
>
> Attachments: PIG-1601-1.patch
>
>
> Error message:
> open file
> 'hdfs://gsbl90890.blue.ygrid.yahoo.com/tmp/temp851711738/tmp727366271'; error
> =
> java.io.IOException: Delegation Token can be issued only with kerberos or web
> authentication at
> org.apache.hadoop.hdfs.server.namenode.FSNamesystem.getDelegationToken(FSNamesystem.java:4975)
> at
> org.apache.hadoop.hdfs.server.namenode.NameNode.getDelegationToken(NameNode.java:432)
> at sun.reflect.GeneratedMethodAccessor22.invoke(Unknown Source) at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> at java.lang.reflect.Method.invoke(Method.java:597) at
> org.apache.hadoop.ipc.RPC$Server.call(RPC.java:523) at
> org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:1301) at
> org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:1297) at
> java.security.AccessController.doPrivileged(Native Method) at
> javax.security.auth.Subject.doAs(Subject.java:396) at
> org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1062)
> at org.apache.hadoop.ipc.Server$Handler.run(Server.java:1295) at
> org.apache.pig.impl.builtin.ReadScalars.exec(ReadScalars.java:66) at
> org.apache.pig.backend.hadoop.executionengine.physicalLayer.expressionOperators.POUserFunc.getNext(POUserFunc.java:229)
> at
> org.apache.pig.backend.hadoop.executionengine.physicalLayer.expressionOperators.POUserFunc.getNext(POUserFunc.java:313)
> at
> org.apache.pig.backend.hadoop.executionengine.physicalLayer.expressionOperators.POCast.getNext(POCast.java:448)
> at
> org.apache.pig.backend.hadoop.executionengine.physicalLayer.expressionOperators.POCast.getNext(POCast.java:441)
> at
> org.apache.pig.backend.hadoop.executionengine.physicalLayer.expressionOperators.Divide.getNext(Divide.java:72)
> at
> org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators.POForEach.processPlan(POForEach.java:358)
> at
> org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators.POForEach.getNext(POForEach.java:291)
> at
> org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigMapBase.runPipeline(PigMapBase.java:236)
> at
> org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigMapBase.map(PigMapBase.java:231)
> at
> org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigMapBase.map(PigMapBase.java:53)
> at org.apache.hadoop.mapreduce.Mapper.run(Mapper.java:144) at
> org.apache.hadoop.mapred.MapTask.runNewMapper(MapTask.java:638) at
> org.apache.hadoop.mapred.MapTask.run(MapTask.java:314) at
> org.apache.hadoop.mapred.Child$4.run(Child.java:217) 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:1062)
> at org.apache.hadoop.mapred.Child.main(Child.java:211)
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