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From "Jerry He (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-14605) Split fails due to 'No valid credentials' error when SecureBulkLoadEndpoint#start tries to access hdfs
Date Thu, 15 Oct 2015 21:01:05 GMT

    [ https://issues.apache.org/jira/browse/HBASE-14605?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14959607#comment-14959607
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Jerry He commented on HBASE-14605:
----------------------------------

Another thought.
The changes to call the coprocessor hooks as request user would apply to all coprocessor implementations,
even custom coprocessors.
Will this cause issue for people who have expected their coprocessors to be run under the
server user?


> Split fails due to 'No valid credentials' error when SecureBulkLoadEndpoint#start tries
to access hdfs
> ------------------------------------------------------------------------------------------------------
>
>                 Key: HBASE-14605
>                 URL: https://issues.apache.org/jira/browse/HBASE-14605
>             Project: HBase
>          Issue Type: Bug
>            Reporter: Ted Yu
>            Assignee: Ted Yu
>         Attachments: 144605-branch-1-v3.txt, 14605-v1.txt, 14605-v2.txt, 14605-v3.txt,
14605-v3.txt, 14605-v3.txt, 14605.alt
>
>
> During recent testing in secure cluster (with HBASE-14475), we found the following when
user X (non-super user) split a table with region replica:
> {code}
> 2015-10-12 10:58:18,955 ERROR [FifoRpcScheduler.handler1-thread-9] master.HMaster: Region
server hbase-4-4.novalocal,60020,1444645588137 reported a fatal error:
> ABORTING region server hbase-4-4.novalocal,60020,1444645588137: The coprocessor org.apache.hadoop.hbase.security.access.SecureBulkLoadEndpoint
threw an unexpected   exception
> Cause:
> java.lang.IllegalStateException: Failed to get FileSystem instance
>   at org.apache.hadoop.hbase.security.access.SecureBulkLoadEndpoint.start(SecureBulkLoadEndpoint.java:148)
>   at org.apache.hadoop.hbase.coprocessor.CoprocessorHost$Environment.startup(CoprocessorHost.java:415)
>   at org.apache.hadoop.hbase.coprocessor.CoprocessorHost.loadInstance(CoprocessorHost.java:257)
>   at org.apache.hadoop.hbase.coprocessor.CoprocessorHost.loadSystemCoprocessors(CoprocessorHost.java:160)
>   at org.apache.hadoop.hbase.regionserver.RegionCoprocessorHost.<init>(RegionCoprocessorHost.java:192)
>   at org.apache.hadoop.hbase.regionserver.HRegion.<init>(HRegion.java:701)
>   at org.apache.hadoop.hbase.regionserver.HRegion.<init>(HRegion.java:608)
> ...
> Caused by: java.io.IOException: Failed on local exception: java.io.IOException: javax.security.sasl.SaslException:
GSS initiate failed [Caused by GSSException: No valid          credentials provided (Mechanism
level: Failed to find any Kerberos tgt)]; Host Details : local host is: "hbase-4-4/172.22.66.186";
destination host is: "os-r6-      okarus-hbase-4-2.novalocal":8020;
>   at org.apache.hadoop.net.NetUtils.wrapException(NetUtils.java:772)
>   at org.apache.hadoop.ipc.Client.call(Client.java:1473)
>   at org.apache.hadoop.ipc.Client.call(Client.java:1400)
>   at org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:232)
>   at com.sun.proxy.$Proxy18.mkdirs(Unknown Source)
>   at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.mkdirs(ClientNamenodeProtocolTranslatorPB.java:555)
>   at sun.reflect.GeneratedMethodAccessor13.invoke(Unknown Source)
>   at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>   at java.lang.reflect.Method.invoke(Method.java:606)
>   at org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:187)
>   at org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:102)
>   at com.sun.proxy.$Proxy19.mkdirs(Unknown Source)
>   at org.apache.hadoop.hdfs.DFSClient.primitiveMkdir(DFSClient.java:2775)
>   at org.apache.hadoop.hdfs.DFSClient.mkdirs(DFSClient.java:2746)
>   at org.apache.hadoop.hdfs.DistributedFileSystem$19.doCall(DistributedFileSystem.java:967)
>   at org.apache.hadoop.hdfs.DistributedFileSystem$19.doCall(DistributedFileSystem.java:963)
>   at org.apache.hadoop.fs.FileSystemLinkResolver.resolve(FileSystemLinkResolver.java:81)
> {code}
> The cause was that SecureBulkLoadEndpoint#start tried to create staging dir in hdfs as
user X but didn't pass authentication.



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