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https://issues.apache.org/jira/browse/HBASE-20993?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16592118#comment-16592118
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Jack Bearden commented on HBASE-20993:
--------------------------------------

[~reidchan] I made new tickets for the forward-ports. I was unable to make you 
reporter for those, assuming you are still interested. Not sure of the HBASE 
policy on this, if it isn't part of procedure then we can just handle it here. 
 * HBase 21111
 * HBase 21112

 

> [Auth] IPC client fallback to simple auth allowed doesn't work
> --------------------------------------------------------------
>
>                 Key: HBASE-20993
>                 URL: https://issues.apache.org/jira/browse/HBASE-20993
>             Project: HBase
>          Issue Type: Bug
>          Components: Client, security
>    Affects Versions: 1.2.6
>            Reporter: Reid Chan
>            Assignee: Jack Bearden
>            Priority: Critical
>         Attachments: HBASE-20993.001.patch, 
> HBASE-20993.003.branch-1.flowchart.png, HBASE-20993.branch-1.002.patch, 
> HBASE-20993.branch-1.003.patch, HBASE-20993.branch-1.004.patch, 
> HBASE-20993.branch-1.005.patch, HBASE-20993.branch-1.006.patch, 
> HBASE-20993.branch-1.007.patch, HBASE-20993.branch-1.2.001.patch, 
> HBASE-20993.branch-1.wip.002.patch, HBASE-20993.branch-1.wip.patch
>
>
> It is easily reproducible.
> client's hbase-site.xml: hadoop.security.authentication:kerberos, 
> hbase.security.authentication:kerberos, 
> hbase.ipc.client.fallback-to-simple-auth-allowed:true, keytab and principal 
> are right set
> A simple auth hbase cluster, a kerberized hbase client application. 
> application trying to r/w/c/d table will have following exception:
> {code}
> javax.security.sasl.SaslException: GSS initiate failed [Caused by 
> GSSException: No valid credentials provided (Mechanism level: Failed to find 
> any Kerberos tgt)]
>       at 
> com.sun.security.sasl.gsskerb.GssKrb5Client.evaluateChallenge(GssKrb5Client.java:211)
>       at 
> org.apache.hadoop.hbase.security.HBaseSaslRpcClient.saslConnect(HBaseSaslRpcClient.java:179)
>       at 
> org.apache.hadoop.hbase.ipc.RpcClientImpl$Connection.setupSaslConnection(RpcClientImpl.java:617)
>       at 
> org.apache.hadoop.hbase.ipc.RpcClientImpl$Connection.access$700(RpcClientImpl.java:162)
>       at 
> org.apache.hadoop.hbase.ipc.RpcClientImpl$Connection$2.run(RpcClientImpl.java:743)
>       at 
> org.apache.hadoop.hbase.ipc.RpcClientImpl$Connection$2.run(RpcClientImpl.java:740)
>       at java.security.AccessController.doPrivileged(Native Method)
>       at javax.security.auth.Subject.doAs(Subject.java:422)
>       at 
> org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1628)
>       at 
> org.apache.hadoop.hbase.ipc.RpcClientImpl$Connection.setupIOstreams(RpcClientImpl.java:740)
>       at 
> org.apache.hadoop.hbase.ipc.RpcClientImpl$Connection.writeRequest(RpcClientImpl.java:906)
>       at 
> org.apache.hadoop.hbase.ipc.RpcClientImpl$Connection.tracedWriteRequest(RpcClientImpl.java:873)
>       at 
> org.apache.hadoop.hbase.ipc.RpcClientImpl.call(RpcClientImpl.java:1241)
>       at 
> org.apache.hadoop.hbase.ipc.AbstractRpcClient.callBlockingMethod(AbstractRpcClient.java:227)
>       at 
> org.apache.hadoop.hbase.ipc.AbstractRpcClient$BlockingRpcChannelImplementation.callBlockingMethod(AbstractRpcClient.java:336)
>       at 
> org.apache.hadoop.hbase.protobuf.generated.MasterProtos$MasterService$BlockingStub.isMasterRunning(MasterProtos.java:58383)
>       at 
> org.apache.hadoop.hbase.client.ConnectionManager$HConnectionImplementation$MasterServiceStubMaker.isMasterRunning(ConnectionManager.java:1592)
>       at 
> org.apache.hadoop.hbase.client.ConnectionManager$HConnectionImplementation$StubMaker.makeStubNoRetries(ConnectionManager.java:1530)
>       at 
> org.apache.hadoop.hbase.client.ConnectionManager$HConnectionImplementation$StubMaker.makeStub(ConnectionManager.java:1552)
>       at 
> org.apache.hadoop.hbase.client.ConnectionManager$HConnectionImplementation$MasterServiceStubMaker.makeStub(ConnectionManager.java:1581)
>       at 
> org.apache.hadoop.hbase.client.ConnectionManager$HConnectionImplementation.getKeepAliveMasterService(ConnectionManager.java:1738)
>       at 
> org.apache.hadoop.hbase.client.MasterCallable.prepare(MasterCallable.java:38)
>       at 
> org.apache.hadoop.hbase.client.RpcRetryingCaller.callWithRetries(RpcRetryingCaller.java:134)
>       at 
> org.apache.hadoop.hbase.client.HBaseAdmin.executeCallable(HBaseAdmin.java:4297)
>       at 
> org.apache.hadoop.hbase.client.HBaseAdmin.executeCallable(HBaseAdmin.java:4289)
>       at 
> org.apache.hadoop.hbase.client.HBaseAdmin.createTableAsyncV2(HBaseAdmin.java:753)
>       at 
> org.apache.hadoop.hbase.client.HBaseAdmin.createTable(HBaseAdmin.java:674)
>       at 
> org.apache.hadoop.hbase.client.HBaseAdmin.createTable(HBaseAdmin.java:607)
>       at 
> org.playground.hbase.KerberizedClientFallback.main(KerberizedClientFallback.java:55)
> Caused by: GSSException: No valid credentials provided (Mechanism level: 
> Failed to find any Kerberos tgt)
>       at 
> sun.security.jgss.krb5.Krb5InitCredential.getInstance(Krb5InitCredential.java:147)
>       at 
> sun.security.jgss.krb5.Krb5MechFactory.getCredentialElement(Krb5MechFactory.java:122)
>       at 
> sun.security.jgss.krb5.Krb5MechFactory.getMechanismContext(Krb5MechFactory.java:187)
>       at 
> sun.security.jgss.GSSManagerImpl.getMechanismContext(GSSManagerImpl.java:224)
>       at 
> sun.security.jgss.GSSContextImpl.initSecContext(GSSContextImpl.java:212)
>       at 
> sun.security.jgss.GSSContextImpl.initSecContext(GSSContextImpl.java:179)
>       at 
> com.sun.security.sasl.gsskerb.GssKrb5Client.evaluateChallenge(GssKrb5Client.java:192)
> {code}



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