Timothy Potter created SOLR-11257:
-------------------------------------
Summary: Only setting maxThreadCount for ConcurrentMergeScheduler
(which is a user error) leads to a confusing validation error msg.
Key: SOLR-11257
URL: https://issues.apache.org/jira/browse/SOLR-11257
Project: Solr
Issue Type: Bug
Security Level: Public (Default Security Level. Issues are Public)
Reporter: Timothy Potter
Priority: Minor
I tried tuning the maxThreadCount for my Concurrent scheduler using:
{code}
<mergeScheduler class="org.apache.lucene.index.ConcurrentMergeScheduler">
<int name="maxThreadCount">4</int>
</mergeScheduler>
{code}
and got:
{code}
Validation errors:
Error: java.lang.IllegalArgumentException:java.lang.IllegalArgumentException:
both maxMergeCount and maxThreadCount must be AUTO_DETECT_MERGES_AND_THREADS
{code}
Hmmm ... don't know what that means? As I user I need a better error message
than that ^ Of course looking at the code, it seems I must also set:
{{maxMergeCount}} but that error doesn't tell me that. So this bug is about
fixing up the error to be more helpful to the user. Of course this is advanced
functionality, so maybe expecting me to read the code to understand, in which
case, just close this as invalid.
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