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Posted to common-issues@hadoop.apache.org by "Steve Loughran (Jira)" <ji...@apache.org> on 2021/03/11 18:51:00 UTC
[jira] [Commented] (HADOOP-17372) S3A AWS Credential provider
loading gets confused with isolated classloaders
[ https://issues.apache.org/jira/browse/HADOOP-17372?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17299807#comment-17299807 ]
Steve Loughran commented on HADOOP-17372:
-----------------------------------------
adding to HADOOP-17511 as auditing plugins are the kind of thing which breaks
> S3A AWS Credential provider loading gets confused with isolated classloaders
> ----------------------------------------------------------------------------
>
> Key: HADOOP-17372
> URL: https://issues.apache.org/jira/browse/HADOOP-17372
> Project: Hadoop Common
> Issue Type: Sub-task
> Components: fs/s3
> Affects Versions: 3.4.0
> Reporter: Steve Loughran
> Assignee: Steve Loughran
> Priority: Major
>
> Problem: exception in loading S3A credentials for an FS, "Class class com.amazonaws.auth.EnvironmentVariableCredentialsProvider does not implement AWSCredentialsProvider"
> Location: S3A + Spark dataframes test
> Hypothesised cause:
> Configuration.getClasses() uses the context classloader, and with the spark isolated CL that's different from the one the s3a FS uses, so it can't load AWS credential providers.
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