Schema is not created or updated [DATASOLR-322]

[spring-projects-issues]

Tomasz Wójcik opened DATASOLR-322 and commented

Setting schemaCreationSupport to true in @EnableSolrRepositories annotation doesn't seem to trigger schema creation.

From what I found out it looks like SolrRepositoryFactory#addSchemaCreationFeaturesIfEnabled is called before schemaCreationSupport field is set to true, which results in empty schemaCreationFeatures of SolrTemplate.

If I set these features manually, schema creation works as expected.

@Bean
public SolrTemplate solrTemplate(SolrClient solrClient) {
    SolrTemplate template = new SolrTemplate(solrClient);
    template.setSchemaCreationFeatures(Collections.singletonList(SolrPersistentEntitySchemaCreator.Feature.CREATE_MISSING_FIELDS));
    return template;
}

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Affects: 2.0.2 (Hopper SR2)

[Nunien]

When I set schemaCreationSupport to true along with the above public SolrTemplate solrTemplate(SolrClient solrClient) implementation, I get java.lang.UnsupportedOperationException: The solr rest API does not allow schema creation..
Comes from https://github.com/spring-projects/spring-data-solr/blob/main/src/main/java/org/springframework/data/solr/core/schema/SolrSchemaWriter.java line 50