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https://issues.apache.org/jira/browse/SPARK-11248?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16164559#comment-16164559
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wuchang commented on SPARK-11248:
---------------------------------
the spark thrift server have security bugs , cause the result that user A
sometimes have the authority of user B and User B sometimes have the authority
of user B. I debugged it and I find that it is caused by the hive 1.2.1 library
, OrcInputFormat.java, in which a thread pool is created to contact with remote
HDFS. Since threads in pool is reused and shared, so , when thread-1-pool-1 is
used by user A previously and after that user B is assigned to this thread in
coincidence, then user B will have the security context of User A.
I have fixed this bug by add UserGroupInformation in this pool, to make sure
that when a user is assigned a thread, then the security is switched to this
user at the same time.
See the pull request: [https://github.com/JoshRosen/hive/pull/1]
> Spark hivethriftserver is using the wrong user to while getting HDFS
> permissions
> --------------------------------------------------------------------------------
>
> Key: SPARK-11248
> URL: https://issues.apache.org/jira/browse/SPARK-11248
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Affects Versions: 1.5.0, 1.5.1, 2.1.1, 2.2.0
> Reporter: Trystan Leftwich
>
> While running spark as a hivethrift-server via Yarn Spark will use the user
> running the Hivethrift server rather than the user connecting via JDBC to
> check HDFS perms.
> i.e.
> In HDFS the perms are
> rwx------ 3 testuser testuser /user/testuser/table/testtable
> And i connect via beeline as user testuser
> beeline -u 'jdbc:hive2://localhost:10511' -n 'testuser' -p ''
> If i try to hit that table
> select count(*) from test_table;
> I get the following error
> Error: org.apache.hadoop.hive.ql.metadata.HiveException: Unable to fetch
> table test_table. java.security.AccessControlException: Permission denied:
> user=hive, access=READ,
> inode="/user/testuser/table/testtable":testuser:testuser:drwxr-x--x
> at
> org.apache.hadoop.hdfs.server.namenode.FSPermissionChecker.checkFsPermission(FSPermissionChecker.java:271)
> at
> org.apache.hadoop.hdfs.server.namenode.FSPermissionChecker.check(FSPermissionChecker.java:257)
> at
> org.apache.hadoop.hdfs.server.namenode.FSPermissionChecker.checkPermission(FSPermissionChecker.java:185)
> at
> org.apache.hadoop.hdfs.server.namenode.FSNamesystem.checkPermission(FSNamesystem.java:6795)
> at
> org.apache.hadoop.hdfs.server.namenode.FSNamesystem.checkPermission(FSNamesystem.java:6777)
> at
> org.apache.hadoop.hdfs.server.namenode.FSNamesystem.checkPathAccess(FSNamesystem.java:6702)
> at
> org.apache.hadoop.hdfs.server.namenode.FSNamesystem.checkAccess(FSNamesystem.java:9529)
> at
> org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.checkAccess(NameNodeRpcServer.java:1516)
> at
> org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.checkAccess(ClientNamenodeProtocolServerSideTranslatorPB.java:1433)
> at
> org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java)
> at
> org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:619)
> at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:962)
> at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2039)
> at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2035)
> at java.security.AccessController.doPrivileged(Native Method)
> at javax.security.auth.Subject.doAs(Subject.java:415)
> at
> org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1628)
> at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2033)
> (state=,code=0)
> I have the following in set in hive-site.xml so it should be using the
> correct user.
> <property>
> <name>hive.server2.enable.doAs</name>
> <value>true</value>
> </property>
> <property>
> <name>hive.metastore.execute.setugi</name>
> <value>true</value>
> </property>
>
> This works correctly in hive.
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