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From "Arun Suresh (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-7931) DistributedFIleSystem should not look for keyProvider in cache if Encryption is disabled
Date Fri, 10 Apr 2015 18:32:12 GMT

     [ https://issues.apache.org/jira/browse/HDFS-7931?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Arun Suresh updated HDFS-7931:
------------------------------
    Summary: DistributedFIleSystem should not look for keyProvider in cache if Encryption
is disabled   (was: DistributedFIleSystem should not ask for keyProvider in cacheif Encryption
is dissabled )

> DistributedFIleSystem should not look for keyProvider in cache if Encryption is disabled

> -----------------------------------------------------------------------------------------
>
>                 Key: HDFS-7931
>                 URL: https://issues.apache.org/jira/browse/HDFS-7931
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: hdfs-client
>    Affects Versions: 2.7.0
>            Reporter: Arun Suresh
>            Assignee: Arun Suresh
>            Priority: Minor
>             Fix For: 2.7.1
>
>         Attachments: HDFS-7931.1.patch, HDFS-7931.2.patch, HDFS-7931.2.patch, HDFS-7931.3.patch
>
>
> The {{addDelegationTokens}} method in {{DistributedFileSystem}} calls {{DFSClient#getKeyProvider()}}
which attempts to get a provider from the {{KeyProvderCache}} but since the required key,
*dfs.encryption.key.provider.uri* is not present (due to encryption being dissabled), it throws
an exception.
> {noformat}
> 2015-03-11 23:55:47,849 [JobControl] ER ROR org.apache.hadoop.hdfs.KeyProviderCache -
Could not find uri with key [dfs.encryption.key.provider.uri] to create a keyProvider !!
> {noformat}



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