[hibernate-issues] [Hibernate-JIRA] Created: (HSEARCH-744) NullPointerException when using a range query on a numeric field and searching for values below a given boundary

[Nikita D (JIRA)]

NullPointerException when using a range query on a numeric field and searching for values below a given boundary 
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                 Key: HSEARCH-744
                 URL: http://opensource.atlassian.com/projects/hibernate/browse/HSEARCH-744
             Project: Hibernate Search
          Issue Type: Bug
          Components: query
    Affects Versions: 3.4.0.Final
         Environment: Hibernate Core 3.6.3, MySQL 5.1.55
            Reporter: Nikita D


When using the query API to search for values below a boundary, a NullPointerException is thrown if the field is a numeric field (annotated with @NumericField). Example query:

{code}
Query luceneQuery = qb
    .range()
    .onField("myNumericField")
    .below(myMaxValue)
    .createQuery();
{code}

The problem is in NumericFieldUtils.createNumericRangeQuery(), which always uses the "from" value to determine the class. For a "below" query, the "from" value is null.

Stacktrace:
{code}
java.lang.NullPointerException
	at org.hibernate.search.bridge.util.NumericFieldUtils.createNumericRangeQuery(NumericFieldUtils.java:17)
	at org.hibernate.search.query.dsl.impl.ConnectedMultiFieldsRangeQueryBuilder.createQuery(ConnectedMultiFieldsRangeQueryBuilder.java:104)
	at org.hibernate.search.query.dsl.impl.ConnectedMultiFieldsRangeQueryBuilder.createQuery(ConnectedMultiFieldsRangeQueryBuilder.java:79)
{code}


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