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https://issues.apache.org/jira/browse/SOLR-13661?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16945471#comment-16945471
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Noble Paul commented on SOLR-13661:
-----------------------------------

bq.This is what we have ResourceLoader and class loaders for. If we cannot find 
{{com.example.MyPlugin}} in main class loader, then hunt through every package 
class loader until you have a match, ...

You seem to have very little understanding of how classloaders work .

Putting multiple classloaders together will result in classcastexceptions which 
are impossible to debug. This also means we cannot reload a package independent 
of another. 

> A package management system for Solr
> ------------------------------------
>
>                 Key: SOLR-13661
>                 URL: https://issues.apache.org/jira/browse/SOLR-13661
>             Project: Solr
>          Issue Type: Improvement
>      Security Level: Public(Default Security Level. Issues are Public) 
>            Reporter: Noble Paul
>            Assignee: Ishan Chattopadhyaya
>            Priority: Blocker
>              Labels: package
>         Attachments: plugin-usage.png, repos.png
>
>          Time Spent: 1h
>  Remaining Estimate: 0h
>
> Here's the design doc:
> https://docs.google.com/document/d/15b3m3i3NFDKbhkhX_BN0MgvPGZaBj34TKNF2-UNC3U8/edit?usp=sharing



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