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From Alexandre Rafalovitch <>
Subject Re: Making managed schema unmutable correctly?
Date Wed, 16 Mar 2016 21:46:43 GMT
Thank you very much Erick,

It does look like I was staring at the Reference Guide for too long
and between the files and APIs and release notes, my mind just played
tricks at 1am :-)

Newsletter and resources for Solr beginners and intermediates:

On 17 March 2016 at 04:08, Erick Erickson <> wrote:
> I think you're mixing up schema and config? The
> message about not hand-modifying is for
> schema.xml (well, managed-schema). To lock
> it down you need to modify solrconfig.xml...
> There shouldn't need to be any need to unload, just
> reload?
> And I just skipped the e-mail so maybe I'm way off base.
> Best,
> Erick
> On Wed, Mar 16, 2016 at 12:14 AM, Alexandre Rafalovitch
> <> wrote:
>> So, I am looking at the Solr 5.5 examples with their all-in by-default
>> managed schemas. And I am scratching my head on the workflow users are
>> expected to follow.
>> One example is straight from documentation:
>> "With the above configuration, you can use the Schema API to modify
>> the schema as much as you want, and then later change the value of
>> mutable to false if you wish to "lock" the schema in place and prevent
>> future changes."
>> Which sounds great, except right above the definition in the
>> solrconfig.xml, it says:
>> "Do NOT hand edit the managed schema - external modifications will be
>> ignored and overwritten as a result of schema modification REST API
>> calls."
>> And the Config API does not seem to provide any API to switch that
>> property (schemaFactory.mutable is not an editable property).
>> So, how is one supposed to lock the schema after modifying it? In the
>> default, non-cloud, example!
>> So far, the nearest I get is to unload the core (losing
>>, manually modify solrconfig.xml in violation of
>> instructions and add the core back. What am I missing?
>> Regards,
>>    Alex.
>> ----
>> Newsletter and resources for Solr beginners and intermediates:

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