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From jimtronic <>
Subject Can't create collection without plugin, can't load plugin without collection
Date Tue, 06 Sep 2016 20:48:18 GMT
I've run into an orchestration problem while creating collections and loading
plugins via the ConfigAPI in Solr Cloud.

Here's the scenario:

1. I create a configSet that references a custom class in schema.xml.
2. I upload the jar to the BlobStore and issue add-runtimelib using the
Config API. This fails because the collection doesn't exist yet.
3. I try to create the collection with the configSet but it fails because
the custom plugin is not available yet.

I can force this to work by removing the custom reference, create the
collection, load the jar and then add the custom reference back in place.
This is fine as a manual one-time setup, but not feasible in a scripted
production deployment. 

I wish I could create a collection without actually needing to create any
cores. Then, I could get all of the configurations for a collection setup
before creating the cores.

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