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https://issues.apache.org/jira/browse/HIVE-17368?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Vihang Karajgaonkar updated HIVE-17368:
---------------------------------------
    Attachment: HIVE-17368.02-branch-2.patch

Attaching the second version of the patch. In the current patch when the 
session is closed {{HiveSessionImplWithUGI.close()}} calls {{super.close()}} 
which calls SessionState.close(). One of the steps of SessionState.close() is 
to {{unCacheDataNucleusClassLoaders}}. This code tries to create a HMS Client 
to check if it is localMetastore. Since the HMS delegation token is already 
cancelled by this time and the UGI might not open transport to HMS, the 
connection will fail and it will log a {{INFO}} level error. I think this check 
can be simplified by just using {{HiveConfUtil.isEmbeddedMetaStore}} method 
which doesn't need to instantiate a HMS client.

If HMS is remote, this method is will return false and previous behaviour is 
maintained. If HMS is embedded, this code will return true and there would be 
no need to open the transport. {{ObjectStore.unCacheDataNucleusClassLoaders}} 
will execute in the same process.

> DBTokenStore fails to connect in Kerberos enabled remote HMS environment
> ------------------------------------------------------------------------
>
>                 Key: HIVE-17368
>                 URL: https://issues.apache.org/jira/browse/HIVE-17368
>             Project: Hive
>          Issue Type: Bug
>    Affects Versions: 1.1.0, 2.0.0, 2.1.0, 2.2.0
>            Reporter: Vihang Karajgaonkar
>            Assignee: Vihang Karajgaonkar
>         Attachments: HIVE-17368.01-branch-2.patch, HIVE-17368.01.patch, 
> HIVE-17368.02-branch-2.patch
>
>
> In setups where HMS is running as a remote process secured using Kerberos, 
> and when {{DBTokenStore}} is configured as the token store, the HS2 Thrift 
> API calls like {{GetDelegationToken}}, {{CancelDelegationToken}} and 
> {{RenewDelegationToken}} fail with exception trace seen below. HS2 is not 
> able to invoke HMS APIs needed to add/remove/renew tokens from the DB since 
> it is possible that the user which is issue the {{GetDelegationToken}} is not 
> kerberos enabled.
> Eg. Oozie submits a job on behalf of user "Joe". When Oozie opens a session 
> with HS2 it uses Oozie's principal and creates a proxy UGI with Hive. This 
> principal can establish a transport authenticated using Kerberos. It stores 
> the HMS delegation token string in the sessionConf and sessionToken. Now, 
> lets say Oozie issues a {{GetDelegationToken}} which has {{Joe}} as the owner 
> and {{oozie}} as the renewer in {{GetDelegationTokenReq}}. This API call 
> cannot instantiate a HMSClient and open transport to HMS using the HMSToken 
> string available in the sessionConf, since DBTokenStore uses server HiveConf 
> instead of sessionConf. It tries to establish transport using Kerberos and it 
> fails since user Joe is not Kerberos enabled.
> I see the following exception trace in HS2 logs.
> {noformat}
> 2017-08-21T18:07:19,644 ERROR [HiveServer2-Handler-Pool: Thread-61] 
> transport.TSaslTransport: SASL negotiation failure
> javax.security.sasl.SaslException: GSS initiate failed
>         at 
> com.sun.security.sasl.gsskerb.GssKrb5Client.evaluateChallenge(GssKrb5Client.java:211)
>  ~[?:1.8.0_121]
>         at 
> org.apache.thrift.transport.TSaslClientTransport.handleSaslStartMessage(TSaslClientTransport.java:94)
>  ~[libthrift-0.9.3.jar:0.9.3]
>         at 
> org.apache.thrift.transport.TSaslTransport.open(TSaslTransport.java:271) 
> [libthrift-0.9.3.jar:0.9.3]
>         at 
> org.apache.thrift.transport.TSaslClientTransport.open(TSaslClientTransport.java:37)
>  [libthrift-0.9.3.jar:0.9.3]
>         at 
> org.apache.hadoop.hive.thrift.client.TUGIAssumingTransport$1.run(TUGIAssumingTransport.java:52)
>  [hive-shims-common-2.3.0-SNAPSHOT.jar:2.3.0-SNAPSHOT]
>         at 
> org.apache.hadoop.hive.thrift.client.TUGIAssumingTransport$1.run(TUGIAssumingTransport.java:49)
>  [hive-shims-common-2.3.0-SNAPSHOT.jar:2.3.0-SNAPSHOT]
>         at java.security.AccessController.doPrivileged(Native Method) 
> ~[?:1.8.0_121]
>         at javax.security.auth.Subject.doAs(Subject.java:422) [?:1.8.0_121]
>         at 
> org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1657)
>  [hadoop-common-2.7.2.jar:?]
>         at 
> org.apache.hadoop.hive.thrift.client.TUGIAssumingTransport.open(TUGIAssumingTransport.java:49)
>  [hive-shims-common-2.3.0-SNAPSHOT.jar:2.3.0-SNAPSHOT]
>         at 
> org.apache.hadoop.hive.metastore.HiveMetaStoreClient.open(HiveMetaStoreClient.java:488)
>  [hive-metastore-2.3.0-SNAPSHOT.jar:2.3.0-SNAPSHOT]
>         at 
> org.apache.hadoop.hive.metastore.HiveMetaStoreClient.<init>(HiveMetaStoreClient.java:255)
>  [hive-metastore-2.3.0-SNAPSHOT.jar:2.3.0-SNAPSHOT]
>         at 
> org.apache.hadoop.hive.ql.metadata.SessionHiveMetaStoreClient.<init>(SessionHiveMetaStoreClient.java:70)
>  [hive-exec-2.3.0-SNAPSHOT.jar:2.3.0-SNAPSHOT]
>         at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native 
> Method) ~[?:1.8.0_121]
>         at 
> sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
>  [?:1.8.0_121]
>         at 
> sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
>  [?:1.8.0_121]
>         at java.lang.reflect.Constructor.newInstance(Constructor.java:423) 
> [?:1.8.0_121]
>         at 
> org.apache.hadoop.hive.metastore.MetaStoreUtils.newInstance(MetaStoreUtils.java:1699)
>  [hive-metastore-2.3.0-SNAPSHOT.jar:2.3.0-SNAPSHOT]
>         at 
> org.apache.hadoop.hive.metastore.RetryingMetaStoreClient.<init>(RetryingMetaStoreClient.java:83)
>  [hive-metastore-2.3.0-SNAPSHOT.jar:2.3.0-SNAPSHOT]
>         at 
> org.apache.hadoop.hive.metastore.RetryingMetaStoreClient.getProxy(RetryingMetaStoreClient.java:133)
>  [hive-metastore-2.3.0-SNAPSHOT.jar:2.3.0-SNAPSHOT]
>         at 
> org.apache.hadoop.hive.metastore.RetryingMetaStoreClient.getProxy(RetryingMetaStoreClient.java:104)
>  [hive-metastore-2.3.0-SNAPSHOT.jar:2.3.0-SNAPSHOT]
>         at 
> org.apache.hadoop.hive.ql.metadata.Hive.createMetaStoreClient(Hive.java:3595) 
> [hive-exec-2.3.0-SNAPSHOT.jar:2.3.0-SNAPSHOT]
>         at org.apache.hadoop.hive.ql.metadata.Hive.getMSC(Hive.java:3647) 
> [hive-exec-2.3.0-SNAPSHOT.jar:2.3.0-SNAPSHOT]
>         at org.apache.hadoop.hive.ql.metadata.Hive.getMSC(Hive.java:3627) 
> [hive-exec-2.3.0-SNAPSHOT.jar:2.3.0-SNAPSHOT]
>         at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) 
> ~[?:1.8.0_121]
>         at 
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) 
> ~[?:1.8.0_121]
>         at 
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>  ~[?:1.8.0_121]
>         at java.lang.reflect.Method.invoke(Method.java:498) ~[?:1.8.0_121]
>         at 
> org.apache.hadoop.hive.thrift.DBTokenStore.invokeOnTokenStore(DBTokenStore.java:157)
>  [hive-shims-common-2.3.0-SNAPSHOT.jar:2.3.0-SNAPSHOT]
>         at 
> org.apache.hadoop.hive.thrift.DBTokenStore.addToken(DBTokenStore.java:74) 
> [hive-shims-common-2.3.0-SNAPSHOT.jar:2.3.0-SNAPSHOT]
>         at 
> org.apache.hadoop.hive.thrift.TokenStoreDelegationTokenSecretManager.createPassword(TokenStoreDelegationTokenSecretManager.java:142)
>  [hive-shims-common-2.3.0-SNAPSHOT.jar:2.3.0-SNAPSHOT]
>         at 
> org.apache.hadoop.hive.thrift.TokenStoreDelegationTokenSecretManager.createPassword(TokenStoreDelegationTokenSecretManager.java:56)
>  [hive-shims-common-2.3.0-SNAPSHOT.jar:2.3.0-SNAPSHOT]
>         at org.apache.hadoop.security.token.Token.<init>(Token.java:59) 
> [hadoop-common-2.7.2.jar:?]
>         at 
> org.apache.hadoop.hive.thrift.DelegationTokenSecretManager.getDelegationToken(DelegationTokenSecretManager.java:109)
>  [hive-shims-common-2.3.0-SNAPSHOT.jar:2.3.0-SNAPSHOT]
>         at 
> org.apache.hadoop.hive.thrift.HiveDelegationTokenManager$1.run(HiveDelegationTokenManager.java:123)
>  [hive-shims-common-2.3.0-SNAPSHOT.jar:2.3.0-SNAPSHOT]
>         at 
> org.apache.hadoop.hive.thrift.HiveDelegationTokenManager$1.run(HiveDelegationTokenManager.java:119)
>  [hive-shims-common-2.3.0-SNAPSHOT.jar:2.3.0-SNAPSHOT]
>         at java.security.AccessController.doPrivileged(Native Method) 
> ~[?:1.8.0_121]
>         at javax.security.auth.Subject.doAs(Subject.java:422) [?:1.8.0_121]
>         at 
> org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1657)
>  [hadoop-common-2.7.2.jar:?]
>         at 
> org.apache.hadoop.hive.thrift.HiveDelegationTokenManager.getDelegationToken(HiveDelegationTokenManager.java:119)
>  [hive-shims-common-2.3.0-SNAPSHOT.jar:2.3.0-SNAPSHOT]
>         at 
> org.apache.hadoop.hive.thrift.HiveDelegationTokenManager.getDelegationTokenWithService(HiveDelegationTokenManager.java:130)
>  [hive-shims-common-2.3.0-SNAPSHOT.jar:2.3.0-SNAPSHOT]
>         at 
> org.apache.hive.service.auth.HiveAuthFactory.getDelegationToken(HiveAuthFactory.java:261)
>  [hive-service-2.3.0-SNAPSHOT.jar:2.3.0-SNAPSHOT]
>         at 
> org.apache.hive.service.cli.session.HiveSessionImplwithUGI.getDelegationToken(HiveSessionImplwithUGI.java:174)
>  [hive-service-2.3.0-SNAPSHOT.jar:2.3.0-SNAPSHOT]
>         at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) 
> ~[?:1.8.0_121]
>         at 
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) 
> ~[?:1.8.0_121]
>         at 
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>  ~[?:1.8.0_121]
>         at java.lang.reflect.Method.invoke(Method.java:498) ~[?:1.8.0_121]
>         at 
> org.apache.hive.service.cli.session.HiveSessionProxy.invoke(HiveSessionProxy.java:78)
>  [hive-service-2.3.0-SNAPSHOT.jar:2.3.0-SNAPSHOT]
>         at 
> org.apache.hive.service.cli.session.HiveSessionProxy.access$000(HiveSessionProxy.java:36)
>  [hive-service-2.3.0-SNAPSHOT.jar:2.3.0-SNAPSHOT]
>         at 
> org.apache.hive.service.cli.session.HiveSessionProxy$1.run(HiveSessionProxy.java:63)
>  [hive-service-2.3.0-SNAPSHOT.jar:2.3.0-SNAPSHOT]
>         at java.security.AccessController.doPrivileged(Native Method) 
> ~[?:1.8.0_121]
>         at javax.security.auth.Subject.doAs(Subject.java:422) [?:1.8.0_121]
>         at 
> org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1657)
>  [hadoop-common-2.7.2.jar:?]
>         at 
> org.apache.hive.service.cli.session.HiveSessionProxy.invoke(HiveSessionProxy.java:59)
>  [hive-service-2.3.0-SNAPSHOT.jar:2.3.0-SNAPSHOT]
>         at com.sun.proxy.$Proxy36.getDelegationToken(Unknown Source) [?:?]
>         at 
> org.apache.hive.service.cli.CLIService.getDelegationToken(CLIService.java:589)
>  [hive-service-2.3.0-SNAPSHOT.jar:2.3.0-SNAPSHOT]
>         at 
> org.apache.hive.service.cli.thrift.ThriftCLIService.GetDelegationToken(ThriftCLIService.java:254)
>  [hive-service-2.3.0-SNAPSHOT.jar:2.3.0-SNAPSHOT]
>         at 
> org.apache.hive.service.rpc.thrift.TCLIService$Processor$GetDelegationToken.getResult(TCLIService.java:1737)
>  [hive-service-rpc-2.3.0-SNAPSHOT.jar:2.3.0-SNAPSHOT]
>         at 
> org.apache.hive.service.rpc.thrift.TCLIService$Processor$GetDelegationToken.getResult(TCLIService.java:1722)
>  [hive-service-rpc-2.3.0-SNAPSHOT.jar:2.3.0-SNAPSHOT]
>         at org.apache.thrift.ProcessFunction.process(ProcessFunction.java:39) 
> [libthrift-0.9.3.jar:0.9.3]
>         at org.apache.thrift.TBaseProcessor.process(TBaseProcessor.java:39) 
> [libthrift-0.9.3.jar:0.9.3]
>         at 
> org.apache.hadoop.hive.thrift.HadoopThriftAuthBridge$Server$TUGIAssumingProcessor.process(HadoopThriftAuthBridge.java:621)
>  [hive-shims-common-2.3.0-SNAPSHOT.jar:2.3.0-SNAPSHOT]
>         at 
> org.apache.thrift.server.TThreadPoolServer$WorkerProcess.run(TThreadPoolServer.java:286)
>  [libthrift-0.9.3.jar:0.9.3]
>         at 
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
>  [?:1.8.0_121]
>         at 
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
>  [?:1.8.0_121]
>         at java.lang.Thread.run(Thread.java:745) [?:1.8.0_121]
> Caused by: org.ietf.jgss.GSSException: No valid credentials provided 
> (Mechanism level: Failed to find any Kerberos tgt)
>         at 
> sun.security.jgss.krb5.Krb5InitCredential.getInstance(Krb5InitCredential.java:147)
>  ~[?:1.8.0_121]
>         at 
> sun.security.jgss.krb5.Krb5MechFactory.getCredentialElement(Krb5MechFactory.java:122)
>  ~[?:1.8.0_121]
>         at 
> sun.security.jgss.krb5.Krb5MechFactory.getMechanismContext(Krb5MechFactory.java:187)
>  ~[?:1.8.0_121]
>         at 
> sun.security.jgss.GSSManagerImpl.getMechanismContext(GSSManagerImpl.java:224) 
> ~[?:1.8.0_121]
>         at 
> sun.security.jgss.GSSContextImpl.initSecContext(GSSContextImpl.java:212) 
> ~[?:1.8.0_121]
>         at 
> sun.security.jgss.GSSContextImpl.initSecContext(GSSContextImpl.java:179) 
> ~[?:1.8.0_121]
>         at 
> com.sun.security.sasl.gsskerb.GssKrb5Client.evaluateChallenge(GssKrb5Client.java:192)
>  ~[?:1.8.0_121]
>         ... 65 more
> {noformat}
> On HMS side I see a exception saying 
> {noformat}
> 2017-08-17 11:45:13,655 ERROR org.apache.thrift.server.TThreadPoolServer: 
> [pool-7-thread-34]: Error occurred during processing of message.
> java.lang.RuntimeException: org.apache.thrift.transport.TTransportException: 
> DIGEST-MD5: IO error acquiring password
> {noformat}



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