NullPointerException thrown by equals method in SpanOrQuery
-----------------------------------------------------------
Key: LUCENE-689
URL: http://issues.apache.org/jira/browse/LUCENE-689
Project: Lucene - Java
Issue Type: Bug
Components: Search
Affects Versions: 2.1
Environment: Java 1.5.0_09, RHEL 3 Linux, Tomcat 5.0.28
Reporter: Michael Goddard
Part of our code utilizes the equals method in SpanOrQuery and, in certain
cases (details to follow, if necessary), a NullPointerException gets thrown as
a result of the String "field" being null. After applying the following patch,
the problem disappeared:
Index: src/java/org/apache/lucene/search/spans/SpanOrQuery.java
===================================================================
--- src/java/org/apache/lucene/search/spans/SpanOrQuery.java (revision
465065)
+++ src/java/org/apache/lucene/search/spans/SpanOrQuery.java (working copy)
@@ -121,7 +121,8 @@
final SpanOrQuery that = (SpanOrQuery) o;
if (!clauses.equals(that.clauses)) return false;
- if (!field.equals(that.field)) return false;
+ if (field != null && !field.equals(that.field)) return false;
+ if (field == null && that.field != null) return false;
return getBoost() == that.getBoost();
}
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