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https://issues.apache.org/jira/browse/HDFS-15198?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17114218#comment-17114218
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Íñigo Goiri commented on HDFS-15198:
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Can you fix the checkstyles?
The spacing is not following the Apache standards, it should be just two spaces.
Another minor comment, instead of swallowing the exceptions when destroying,
just log as error.
> RBF: Add test for MountTableRefresherService failed to refresh other router
> MountTableEntries in secure mode
> ------------------------------------------------------------------------------------------------------------
>
> Key: HDFS-15198
> URL: https://issues.apache.org/jira/browse/HDFS-15198
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: rbf
> Reporter: zhengchenyu
> Assignee: zhengchenyu
> Priority: Major
> Attachments: HDFS-15198.001.patch, HDFS-15198.002.patch,
> HDFS-15198.003.patch, HDFS-15198.004.patch
>
> Original Estimate: 48h
> Remaining Estimate: 48h
>
> In issue HDFS-13443, update mount table cache imediately. The specified
> router update their own mount table cache imediately, then update other's by
> rpc protocol refreshMountTableEntries. But in secure mode, can't refresh
> other's router's. In specified router's log, error like this
> {code}
> 2020-02-27 22:59:07,212 WARN org.apache.hadoop.ipc.Client: 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)]
> 2020-02-27 22:59:07,213 ERROR
> org.apache.hadoop.hdfs.server.federation.router.MountTableRefresherThread:
> Failed to refresh mount table entries cache at router $host:8111
> java.io.IOException: DestHost:destPort host:8111 , LocalHost:localPort
> $host/$ip:0. 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)]
> at
> org.apache.hadoop.hdfs.protocolPB.RouterAdminProtocolTranslatorPB.refreshMountTableEntries(RouterAdminProtocolTranslatorPB.java:288)
> at
> org.apache.hadoop.hdfs.server.federation.router.MountTableRefresherThread.run(MountTableRefresherThread.java:65)
> 2020-02-27 22:59:07,214 INFO
> org.apache.hadoop.hdfs.server.federation.resolver.MountTableResolver: Added
> new mount point /test_11 to resolver
> {code}
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