Fix error logging in client-side validation

Closes gh-1144

Author: snicoll

spring-ws-core/src/main/java/org/springframework/ws/client/support/interceptor/AbstractValidatingInterceptor.java

@@ -185,7 +185,7 @@ public boolean handleRequest(MessageContext messageContext) throws WebServiceCli
 					errors = this.validator.validate(requestSource);
 				}
 				catch (IOException ex) {
-					throw new WebServiceIOException("Could not validate response: " + ex.getMessage(), ex);
+					throw new WebServiceIOException("Could not validate request: " + ex.getMessage(), ex);
 				}
 				if (!ObjectUtils.isEmpty(errors)) {
 					return handleRequestValidationErrors(messageContext, errors);

spring-ws-core/src/main/java/org/springframework/ws/client/support/interceptor/WebServiceValidationException.java

@@ -41,15 +41,17 @@ public WebServiceValidationException(SAXParseException[] validationErrors) {
 	}
 
 	private static String createMessage(SAXParseException[] validationErrors) {
-		StringBuilder builder = new StringBuilder("XML validation error on response: ");
+		StringBuilder builder = new StringBuilder("XML validation error on request: ");
 
 		for (SAXParseException validationError : validationErrors) {
 			builder.append(validationError.getMessage());
 		}
 		return builder.toString();
 	}
 
-	/** Returns the validation errors. */
+	/**
+	 * Return the validation errors.
+	 */
 	public SAXParseException[] getValidationErrors() {
 		return this.validationErrors;
 	}

spring-ws-core/src/test/java/org/springframework/ws/client/support/interceptor/PayloadValidatingInterceptorTest.java

@@ -93,7 +93,7 @@ public void testHandleInvalidRequest() throws Exception {
 
 		assertThatExceptionOfType(WebServiceClientException.class)
 			.isThrownBy(() -> this.interceptor.handleRequest(this.context))
-			.withMessageContaining("XML validation error on response");
+			.withMessageContaining("XML validation error on request");
 	}
 
 	@Test
@@ -105,7 +105,7 @@ public void testHandlerInvalidRequest() throws Exception {
 
 		assertThatExceptionOfType(WebServiceClientException.class)
 			.isThrownBy(() -> this.interceptor.handleRequest(this.context))
-			.withMessageContaining("XML validation error on response");
+			.withMessageContaining("XML validation error on request");
 	}
 
 	@Test
@@ -199,7 +199,7 @@ public void testHandlerInvalidRequestMultipleSchemas() throws Exception {
 
 		assertThatExceptionOfType(WebServiceClientException.class)
 			.isThrownBy(() -> this.interceptor.handleRequest(this.context))
-			.withMessageContaining("XML validation error on response");
+			.withMessageContaining("XML validation error on request");
 	}
 
 	@Test