From ca6f6d42838bb36ba48d54afe8f5b43e9df03af5 Mon Sep 17 00:00:00 2001
From: Adrien Grand <jpountz@gmail.com>
Date: Tue, 7 Apr 2015 16:56:52 +0200
Subject: [PATCH] Tests: work-around for LUCENE-6406.

---
 .../elasticsearch/test/ElasticsearchLuceneTestCase.java  | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/src/test/java/org/elasticsearch/test/ElasticsearchLuceneTestCase.java b/src/test/java/org/elasticsearch/test/ElasticsearchLuceneTestCase.java
index 4273cfa2f90..c106b853c68 100644
--- a/src/test/java/org/elasticsearch/test/ElasticsearchLuceneTestCase.java
+++ b/src/test/java/org/elasticsearch/test/ElasticsearchLuceneTestCase.java
@@ -25,12 +25,15 @@ import com.carrotsearch.randomizedtesting.annotations.ThreadLeakLingering;
 import com.carrotsearch.randomizedtesting.annotations.ThreadLeakScope;
 import com.carrotsearch.randomizedtesting.annotations.ThreadLeakScope.Scope;
 import com.carrotsearch.randomizedtesting.annotations.TimeoutSuite;
+
 import org.apache.lucene.codecs.Codec;
+import org.apache.lucene.search.IndexSearcher;
 import org.apache.lucene.util.LuceneTestCase;
 import org.apache.lucene.util.LuceneTestCase.SuppressFileSystems;
 import org.apache.lucene.util.TimeUnits;
 import org.elasticsearch.test.junit.listeners.LoggingListener;
 import org.elasticsearch.test.junit.listeners.ReproduceInfoPrinter;
+import org.junit.AfterClass;
 
 
 /**
@@ -66,4 +69,10 @@ public abstract class ElasticsearchLuceneTestCase extends LuceneTestCase {
     public static int scaledRandomIntBetween(int min, int max) {
         return RandomizedTest.scaledRandomIntBetween(min, max);
     }
+
+    @AfterClass
+    public static void clearDefaultQueryCache() {
+        // TODO: remove me when https://issues.apache.org/jira/browse/LUCENE-6406 is fixed
+        IndexSearcher.setDefaultQueryCache(null);
+    }
 }