Re: solr-config-9.xml Fails to Load with Solr 9.10.1

Moderator, please disregard this email. I was able to fix this issue by setting the environment variable SOLR_MODULES correctly.

> On Mar 9, 2026, at 9:51 PM, Steven Smith <[email protected]> wrote:
> 
> I’m trying to use the latest dovecot solr module solr-config-9.xml at with Solr 9.10.1:
> 
> https://github.com/dovecot/core/blob/956fd0f9a101673be72a7df7d643dd20cf4c40e7/doc/solr-config-9.xml
> 
> This dovecot module has been updated to work with version 9.8 and removes the deprecated <lib> directives. However, I observe that it does not load under solr 9.10.1 with the Java exception below.
> 
> Does anyone have any pointers on how to modify this module for the latest solr versions?
> 
> var/solr/logs/solr-8983-console.log:
> 
>> 2026-03-10 01:34:45.983 INFO  (main) [] o.a.s.c.CorePropertiesLocator Found 1 core definitions underneath /opt/local/var/solr
>> 2026-03-10 01:34:45.984 INFO  (main) [] o.a.s.c.CorePropertiesLocator Cores are: [dovecot]
>> 2026-03-10 01:34:46.012 INFO  (coreLoadExecutor-13-thread-1) [ x:dovecot] o.a.s.c.SolrConfig Using Lucene MatchVersion: 9.8.0
>> 2026-03-10 01:34:46.045 INFO  (coreLoadExecutor-13-thread-1) [ x:dovecot] o.a.s.s.ManagedIndexSchemaFactory The schema is configured as managed, but managed schema resource managed-schema.xml  not found - loading non-managed schema schema.xml instead
>> 2026-03-10 01:34:46.064 INFO  (coreLoadExecutor-13-thread-1) [ x:dovecot] o.a.s.s.IndexSchema Schema name=dovecot
>> 2026-03-10 01:34:46.100 ERROR (coreLoadExecutor-13-thread-1) [ x:dovecot] o.a.s.c.CoreContainer SolrCore failed to load on startup =>org.apache.solr.common.SolrException: Unable to create core [dovecot]
>>         at org.apache.solr.core.CoreContainer.createFromDescriptor(CoreContainer.java:1803)
> 
> 
>

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