diff --git a/sql/core/src/test/scala/org/apache/spark/sql/execution/datasources/json/JsonSuite.scala b/sql/core/src/test/scala/org/apache/spark/sql/execution/datasources/json/JsonSuite.scala
index b614e6c414..7540223bf2 100644
--- a/sql/core/src/test/scala/org/apache/spark/sql/execution/datasources/json/JsonSuite.scala
+++ b/sql/core/src/test/scala/org/apache/spark/sql/execution/datasources/json/JsonSuite.scala
@@ -47,13 +47,15 @@ class JsonSuite extends QueryTest with SharedSQLContext with TestJsonData {
     val factory = new JsonFactory()
     def enforceCorrectType(value: Any, dataType: DataType): Any = {
       val writer = new StringWriter()
-      val generator = factory.createGenerator(writer)
-      generator.writeObject(value)
-      generator.flush()
+      Utils.tryWithResource(factory.createGenerator(writer)) { generator =>
+        generator.writeObject(value)
+        generator.flush()
+      }
 
-      val parser = factory.createParser(writer.toString)
-      parser.nextToken()
-      JacksonParser.convertField(factory, parser, dataType)
+      Utils.tryWithResource(factory.createParser(writer.toString)) { parser =>
+        parser.nextToken()
+        JacksonParser.convertField(factory, parser, dataType)
+      }
     }
 
     val intNumber: Int = 2147483647