Fix grammatical errors in Exception messages.

Closes #2599.

Author: jxblum

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

@@ -42,7 +42,7 @@ public abstract class Parameters<S extends Parameters<S, T>, T extends Parameter
 
 	public static final List<Class<?>> TYPES = Arrays.asList(Pageable.class, Sort.class);
 
-	private static final String PARAM_ON_SPECIAL = format("You must not user @%s on a parameter typed %s or %s",
+	private static final String PARAM_ON_SPECIAL = format("You must not use @%s on a parameter typed %s or %s",
 			Param.class.getSimpleName(), Pageable.class.getSimpleName(), Sort.class.getSimpleName());
 	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(),
@@ -301,8 +301,6 @@ public T getBindableParameter(int bindableIndex) {
 	/**
 	 * Asserts that either all of the non special parameters ({@link Pageable}, {@link Sort}) are annotated with
 	 * {@link Param} or none of them is.
-	 *
-	 * @param method
 	 */
 	private void assertEitherAllParamAnnotatedOrNone() {
 

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

@@ -69,12 +69,12 @@ public QueryMethod(Method method, RepositoryMetadata metadata, ProjectionFactory
 		Assert.notNull(metadata, "Repository metadata must not be null!");
 		Assert.notNull(factory, "ProjectionFactory must not be null!");
 
-		Parameters.TYPES.stream()//
-				.filter(type -> getNumberOfOccurences(method, type) > 1)//
+		Parameters.TYPES.stream()
+				.filter(type -> getNumberOfOccurences(method, type) > 1)
 				.findFirst().ifPresent(type -> {
 					throw new IllegalStateException(
-							String.format("Method must only one argument of type %s! Offending method: %s", type.getSimpleName(),
-									method.toString()));
+							String.format("Method must have only one argument of type %s! Offending method: %s",
+									type.getSimpleName(), method));
 				});
 
 		this.method = method;
@@ -89,8 +89,8 @@ public QueryMethod(Method method, RepositoryMetadata metadata, ProjectionFactory
 			}
 
 			if (hasParameterOfType(method, Sort.class)) {
-				throw new IllegalStateException(String.format("Method must not have Pageable *and* Sort parameter. "
-						+ "Use sorting capabilities on Pageable instead! Offending method: %s", method.toString()));
+				throw new IllegalStateException(String.format("Method must not have Pageable *and* Sort parameters. "
+						+ "Use sorting capabilities on Pageable instead! Offending method: %s", method));
 			}
 		}
 
@@ -99,7 +99,7 @@ public QueryMethod(Method method, RepositoryMetadata metadata, ProjectionFactory
 
 		if (isPageQuery()) {
 			Assert.isTrue(this.parameters.hasPageableParameter(),
-					String.format("Paging query needs to have a Pageable parameter! Offending method %s", method.toString()));
+					String.format("Paging query needs to have a Pageable parameter! Offending method: %s", method));
 		}
 
 		this.domainClass = Lazy.of(() -> {
@@ -315,6 +315,6 @@ private static void assertReturnTypeAssignable(Method method, Set<Class<?>> type
 			}
 		}
 
-		throw new IllegalStateException("Method has to have one of the following return types! " + types.toString());
+		throw new IllegalStateException("Method has to have one of the following return types! " + types);
 	}
 }