The link in Jerry's response was quite old. Please see: http://hbase.apache.org/book.html#security
Thanks On Sun, Aug 7, 2016 at 6:55 PM, Saisai Shao <sai.sai.s...@gmail.com> wrote: > 1. Standalone mode doesn't support accessing kerberized Hadoop, simply > because it lacks the mechanism to distribute delegation tokens via cluster > manager. > 2. For the HBase token fetching failure, I think you have to do kinit to > generate tgt before start spark application (http://hbase.apache.org/0.94/ > book/security.html). > > On Mon, Aug 8, 2016 at 12:05 AM, Aneela Saleem <ane...@platalytics.com> > wrote: > >> Thanks Wojciech and Jacek! >> >> I tried with Spark on Yarn with kerberized cluster it works fine now. But >> now when i try to access Hbase through spark i get the following error: >> >> 2016-08-07 20:43:57,617 WARN >> [hconnection-0x24b5fa45-metaLookup-shared--pool2-t1] ipc.RpcClientImpl: >> Exception encountered while connecting to the server : >> javax.security.sasl.SaslException: GSS initiate failed [Caused by >> GSSException: No valid credentials provided (Mechanism level: Failed to find >> any Kerberos tgt)] >> 2016-08-07 20:43:57,619 ERROR >> [hconnection-0x24b5fa45-metaLookup-shared--pool2-t1] ipc.RpcClientImpl: SASL >> authentication failed. The most likely cause is missing or invalid >> credentials. Consider 'kinit'. >> 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:212) >> 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$2.run(RpcClientImpl.java:740) >> at java.security.AccessController.doPrivileged(Native Method) >> at javax.security.auth.Subject.doAs(Subject.java:415) >> at >> org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1657) >> at >> org.apache.hadoop.hbase.ipc.RpcClientImpl$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$BlockingRpcChannelImplementation.callBlockingMethod(AbstractRpcClient.java:336) >> at >> org.apache.hadoop.hbase.protobuf.generated.ClientProtos$ClientService$BlockingStub.scan(ClientProtos.java:34094) >> at >> org.apache.hadoop.hbase.client.ClientSmallScanner$SmallScannerCallable.call(ClientSmallScanner.java:201) >> at >> org.apache.hadoop.hbase.client.ClientSmallScanner$SmallScannerCallable.call(ClientSmallScanner.java:180) >> at >> org.apache.hadoop.hbase.client.RpcRetryingCaller.callWithoutRetries(RpcRetryingCaller.java:210) >> at >> org.apache.hadoop.hbase.client.ScannerCallableWithReplicas$RetryingRPC.call(ScannerCallableWithReplicas.java:360) >> at >> org.apache.hadoop.hbase.client.ScannerCallableWithReplicas$RetryingRPC.call(ScannerCallableWithReplicas.java:334) >> at >> org.apache.hadoop.hbase.client.RpcRetryingCaller.callWithRetries(RpcRetryingCaller.java:136) >> at >> org.apache.hadoop.hbase.client.ResultBoundedCompletionService$QueueingFuture.run(ResultBoundedCompletionService.java:65) >> at >> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) >> at >> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) >> at java.lang.Thread.run(Thread.java:745) >> 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:121) >> at >> sun.security.jgss.krb5.Krb5MechFactory.getMechanismContext(Krb5MechFactory.java:187) >> at >> sun.security.jgss.GSSManagerImpl.getMechanismContext(GSSManagerImpl.java:223) >> 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:193) >> ... 25 more >> >> >
