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https://issues.apache.org/jira/browse/SOLR-9154?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15300599#comment-15300599
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Anshum Gupta commented on SOLR-9154:
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Seems like all assignments have issues in the init method for this class. This
was the first one so this is all that got hit and logged.
I'll work on a patch.
> Config API does not work when adding a component with DirectSolrSpellChecker
> ----------------------------------------------------------------------------
>
> Key: SOLR-9154
> URL: https://issues.apache.org/jira/browse/SOLR-9154
> Project: Solr
> Issue Type: Bug
> Components: config-api, spellchecker
> Reporter: Anshum Gupta
>
> When trying to add a DirectSolrSpellchecker using the Config API (JSON),
> there seems to be a loss of information w.r.t the param types. The accuracy
> field, only in this specific case needs to be defined as a float it seems.
> While this is possible when updating the solrconfig,xml directly, the field
> type (float) can not be specified using JSON.
> Here are the steps to reproduce this issue:
> {code}
> #Bootstrapping
> bin/solr start -c
> bin/solr create -c foo
> bin/post -c foo example/exampledocs/books.csv
> #Add spell checker - This would hang and the logs contain recurring
> exceptions as mentioned below
> curl http://localhost:8983/solr/foo/config -H 'Content-type:application/json'
> -d '{"update-searchcomponent": {"name":"spellcheck",
> "class":"solr.SpellCheckComponent", "spellchecker":[ {
> "name":"text_index_dictionary", "field":"text",
> "classname":"solr.DirectSolrSpellChecker",
> "distanceMeasure":"org.apache.lucene.search.spell.LevensteinDistance",
> "accuracy":0.5, "maxEdits":2, "minPrefix":1, "maxInspections":5,
> "minQueryLength":4, "maxQueryFrequency":0.001,
> "thresholdTokenFrequency":0.01}]}}'
> {code}
> Log:
> {code}
> 2016-05-24 04:08:44.371 ERROR (SolrConfigHandler-refreshconf) [c:foo s:shard1
> r:core_node1 x:foo_shard1_replica1] o.a.s.h.SolrConfigHandler Unable to
> refresh conf
> org.apache.solr.common.SolrException: Unable to reload core
> [foo_shard1_replica1]
> at org.apache.solr.core.CoreContainer.reload(CoreContainer.java:944)
> at
> org.apache.solr.core.SolrCore.lambda$getConfListener$7(SolrCore.java:2510)
> at
> org.apache.solr.handler.SolrConfigHandler$Command$1.run(SolrConfigHandler.java:218)
> Caused by: org.apache.solr.common.SolrException: java.lang.Double cannot be
> cast to java.lang.Float
> at org.apache.solr.core.SolrCore.<init>(SolrCore.java:773)
> at org.apache.solr.core.SolrCore.reload(SolrCore.java:462)
> at org.apache.solr.core.CoreContainer.reload(CoreContainer.java:938)
> {code}
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