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https://issues.apache.org/jira/browse/HADOOP-19152?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17839141#comment-17839141
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ASF GitHub Bot commented on HADOOP-19152:
-----------------------------------------
ayushtkn commented on PR #6739:
URL: https://github.com/apache/hadoop/pull/6739#issuecomment-2067367591
Passing by...
To me Alt-1 looks functionally incompatible.
As of today If my setup is working out of the box, I upgrade Hadoop, It will
start giving me ``ClassNotFound`` exception for something which was working
previously
It is written under Functional Compat column:
```
Users depend on the behavior of a Hadoop cluster remaining consistent across
releases. Changes which cause unexpectedly different behaviors from the cluster
can lead to frustration and long adoption cycles.
```
Cluster behaviour changed, To make things work I need to explicitily make
sure the jar is in Classpath.
Regarding the Java Classpath in the compat: I think that means If tomorrow
Hadoop doesn't need a Jar, means removing it has "no impact" we can remove it...
> Do not hard code security providers.
> ------------------------------------
>
> Key: HADOOP-19152
> URL: https://issues.apache.org/jira/browse/HADOOP-19152
> Project: Hadoop Common
> Issue Type: Improvement
> Components: security
> Reporter: Tsz-wo Sze
> Assignee: Tsz-wo Sze
> Priority: Major
> Labels: pull-request-available
>
> In order to support different security providers in different clusters, we
> should not hard code a provider in our code.
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