DATACMNS-648 - Parameters now holds a non-static ParameterNameDiscoverer.

Turned the previously static ParameterNameDiscoverer into an instance variable to make sure the instance can be GCed correctly.

src/main/java/org/springframework/data/repository/query/Parameters.java

@@ -45,8 +45,8 @@ public abstract class Parameters<S extends Parameters<S, T>, T extends Parameter
 	private static final String ALL_OR_NOTHING = String.format("Either use @%s "
 			+ "on all parameters except %s and %s typed once, or none at all!", Param.class.getSimpleName(),
 			Pageable.class.getSimpleName(), Sort.class.getSimpleName());
-	private static final ParameterNameDiscoverer PARAMETER_DISCOVERER = new DefaultParameterNameDiscoverer();
 
+	private final ParameterNameDiscoverer PARAMETER_DISCOVERER = new DefaultParameterNameDiscoverer();
 	private final int pageableIndex;
 	private final int sortIndex;
 	private final List<T> parameters;