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https://issues.apache.org/jira/browse/HADOOP-8048?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Thomas Graves updated HADOOP-8048:
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Resolution: Fixed
Fix Version/s: 0.23.2
Target Version/s: 0.24.0, 0.23.1 (was: 0.23.1, 0.24.0)
Status: Resolved (was: Patch Available)
Thanks Daryn! I committed this to trunk and branch 0.23.
> Allow merging of Credentials
> ----------------------------
>
> Key: HADOOP-8048
> URL: https://issues.apache.org/jira/browse/HADOOP-8048
> Project: Hadoop Common
> Issue Type: Improvement
> Components: util
> Affects Versions: 0.24.0, 0.23.1
> Reporter: Daryn Sharp
> Assignee: Daryn Sharp
> Fix For: 0.23.2
>
> Attachments: HADOOP-8048-2.patch, HADOOP-8048.patch
>
>
> There is an existing {{Credentials#addAll}} which combines two
> {{Credentials}}, but it overwrites all existing {{Credentials}}. There
> should be a {{Credentials#mergeAll}} that will not overwrite. This will
> facility the cleanup of code in {{TokenCache}} denoted with:
> {code}
> //TODO: Need to come up with a better place to put
> //this block of code to do with reading the file
> {code}
> The token cache basically needs to merge the contents of a binary credentials
> file when it fails to find a token. Performing the merge within
> {{Credentials}} is cleaner, and will break the cross-component dependency
> whereby the {{TokenCache}} currently has to have intimate knowledge of how
> the {{FileSystem}} will key tokens in the cache.
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