ilariapet created SOLR-17999:
--------------------------------
Summary: LLM Model Store Not Initialized Unless QParser Is Declared
Key: SOLR-17999
URL: https://issues.apache.org/jira/browse/SOLR-17999
Project: Solr
Issue Type: Bug
Affects Versions: 9.10
Reporter: ilariapet
An issue with the LLM module initialization process has been identified.
At the moment, if the{{ llm}} module is enabled, for example by starting Solr
with:
{code:java}
bin/solr start -e techproducts -Dsolr.modules=llm {code}
but nothing related to the LLM module is configured in {{{}solrconfig.xml{}}},
the text-to-vector model store does not get initialized:
{code:java}
{
"responseHeader": {
"status": 400,
"QTime": 0
},
"error": {
"metadata": [
"error-class",
"org.apache.solr.common.SolrException",
"root-error-class",
"org.apache.solr.common.SolrException"
],
"msg": "No REST managed resource registered for path
/schema/text-to-vector-model-store",
"code": 400
}
} {code}
Even if I add the TextToVectorUpdateProcessor, nothing happens.
The Model Store is initialized *_only_* when the corresponding LLM QueryParser
is explicitly declared in the configuration:
{code:java}
<queryParser name="knn_text_to_vector"
class="org.apache.solr.llm.textvectorisation.search.TextToVectorQParserPlugin"/>
{code}
This is a bug because a user may want to use a text-to-vector model only at
index time, without enabling the associated query parser at all.
A solution would be to modify the initialization logic so that the Model Store
is also initialized when the update processor is configured, not only when the
QueryParser is present.
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