SOLR-2139: revert 1022357. threshold should be float in solrconfig.xml

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1025803 13f79535-47bb-0310-9956-ffa450edef68

solr/CHANGES.txt

@@ -523,8 +523,6 @@ Bug Fixes
 
 * SOLR-2148: Highlighter doesn't support q.alt. (koji)
 
-* SOLR-2139: Wrong cast from string to float (Igor Rodionov via koji)
-
 * SOLR-2157 Suggester should return alpha-sorted results when onlyMorePopular=false (ab)
 
 * SOLR-1794: Dataimport of CLOB fields fails when getCharacterStream() is 

solr/src/java/org/apache/solr/spelling/suggest/Suggester.java

@@ -76,7 +76,7 @@ public class Suggester extends SolrSpellChecker {
     LOG.info("init: " + config);
     String name = super.init(config, core);
     threshold = config.get(THRESHOLD_TOKEN_FREQUENCY) == null ? 0.0f
-            : Float.parseFloat(config.get(THRESHOLD_TOKEN_FREQUENCY).toString());
+            : (Float)config.get(THRESHOLD_TOKEN_FREQUENCY);
     sourceLocation = (String) config.get(LOCATION);
     field = (String)config.get(FIELD);
     lookupImpl = (String)config.get(LOOKUP_IMPL);

solr/src/test/test-files/solr/conf/solrconfig-spellchecker.xml

@@ -103,7 +103,7 @@
       <str name="buildOnCommit">true</str>
 
       <!-- Suggester properties -->
-      <str name="threshold">0.0</str>
+      <float name="threshold">0.0</float>
 <!--
       <str name="sourceLocation">american-english</str>
 -->