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https://issues.apache.org/jira/browse/SOLR-13650?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16942509#comment-16942509
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Noble Paul commented on SOLR-13650:
-----------------------------------
The original plan was to have a single global classloader called \{{runtimeLib
= "global" }} where the plugins ca be loaded from.
then I realized that we could just make it to multiple named classloaders. Then
I realized I should disassociate this from the old {{runtimeLib}} feature and
make it a feature totally decoupled from the old one. So, I settled on a new
attribute {{package ="package_name"}}. So, the old {{runtimeLib}} feature is
totally independent of this feature now in the latest PR.
The tests were failing rarely and I could not reproduce them locally. So, this
lead to many commits.
> Support for named global classloaders
> -------------------------------------
>
> Key: SOLR-13650
> URL: https://issues.apache.org/jira/browse/SOLR-13650
> Project: Solr
> Issue Type: Sub-task
> Security Level: Public(Default Security Level. Issues are Public)
> Reporter: Noble Paul
> Assignee: Noble Paul
> Priority: Major
> Labels: package
> Time Spent: 20m
> Remaining Estimate: 0h
>
> {code:json}
> curl -X POST -H 'Content-type:application/json' --data-binary '
> {
> "add-package": {
> "name": "my-package" ,
> "sha512":"<the-sha512>"
> }
> }' http://localhost:8983/api/cluster
> {code}
> This means that Solr creates a globally accessible classloader with a name
> {{my-package}} which contains all the jars of that package.
> A component should be able to use the package by using the {{"package" :
> "my-package"}}.
> eg:
> {code:json}
> curl -X POST -H 'Content-type:application/json' --data-binary '
> {
> "create-searchcomponent": {
> "name": "my-searchcomponent" ,
> "class" : "my.path.to.ClassName",
> "package" : "my-package"
> }
> }' http://localhost:8983/api/c/mycollection/config
> {code}
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