[PIG-1601] Make scalar work for secure hadoop

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 0.8.0
• Fix Version/s: 0.8.0
• Component/s: impl
• Hadoop Flags: Reviewed
• Assignee: Daniel Dai
• Reporter: Daniel Dai
• Created: 04/Sep/10 00:44
• Updated: 17/Dec/10 22:45
• Resolved: 07/Sep/10 17:16

Description

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)

Issue Links

• relates to: PIG-1312 Make Pig work with hadoop security