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Posted to common-issues@hadoop.apache.org by "Steve Loughran (JIRA)" <ji...@apache.org> on 2018/10/01 18:21:00 UTC
[jira] [Work started] (HADOOP-15808) Harden Token service loader
use
[ https://issues.apache.org/jira/browse/HADOOP-15808?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Work on HADOOP-15808 started by Steve Loughran.
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> Harden Token service loader use
> -------------------------------
>
> Key: HADOOP-15808
> URL: https://issues.apache.org/jira/browse/HADOOP-15808
> Project: Hadoop Common
> Issue Type: Improvement
> Components: security
> Affects Versions: 2.9.1, 3.1.2
> Reporter: Steve Loughran
> Assignee: Steve Loughran
> Priority: Major
>
> The Hadoop token service loading (identifiers, renewers...) works provided there's no problems loading any registered implementation. If there's a classloading or classcasting problem, the exception raised will stop all token support working; possibly the application not starting.
> This matters for S3A/HADOOP-14556 as things may not load if aws-sdk isn't on the classpath. It probably lurks in the wasb/abfs support too, but things have worked there because the installations with DT support there have always had correctly set up classpaths.
> Fix: do what we did for the FS service loader. Catch failures to instantiate a service provider impl and skip it
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