From fab0f5478fc5c587be54463b370b45a8c14927e6 Mon Sep 17 00:00:00 2001
From: Artem Bilan <abilan@pivotal.io>
Date: Thu, 15 Jun 2017 10:33:21 -0400
Subject: [PATCH] INT-4284: Remove info about readOnly headers

JIRA: https://jira.spring.io/browse/INT-4284

**Cherry-pick to 4.3.x**
---
 .../integration/support/MessageBuilder.java               | 8 +++-----
 src/reference/asciidoc/message.adoc                       | 2 +-
 2 files changed, 4 insertions(+), 6 deletions(-)

diff --git a/spring-integration-core/src/main/java/org/springframework/integration/support/MessageBuilder.java b/spring-integration-core/src/main/java/org/springframework/integration/support/MessageBuilder.java
index 5b4b3a3596..98d6c13bd2 100644
--- a/spring-integration-core/src/main/java/org/springframework/integration/support/MessageBuilder.java
+++ b/spring-integration-core/src/main/java/org/springframework/integration/support/MessageBuilder.java
@@ -188,11 +188,9 @@ public final class MessageBuilder<T> extends AbstractIntegrationMessageBuilder<T
 	public MessageBuilder<T> copyHeadersIfAbsent(Map<String, ?> headersToCopy) {
 		if (headersToCopy != null) {
 			for (Map.Entry<String, ?> entry : headersToCopy.entrySet()) {
-				if (!this.headerAccessor.isReadOnly(entry.getKey())) {
-					this.headerAccessor.setHeaderIfAbsent(entry.getKey(), entry.getValue());
-				}
-				else if (logger.isInfoEnabled()) {
-					logger.info("The header [" + entry + "] is ignored for population because it is is readOnly.");
+				String headerName = entry.getKey();
+				if (!this.headerAccessor.isReadOnly(headerName)) {
+					this.headerAccessor.setHeaderIfAbsent(headerName, entry.getValue());
 				}
 			}
 		}
diff --git a/src/reference/asciidoc/message.adoc b/src/reference/asciidoc/message.adoc
index 3182253c9f..eded7ca94c 100644
--- a/src/reference/asciidoc/message.adoc
+++ b/src/reference/asciidoc/message.adoc
@@ -373,7 +373,7 @@ In addition to the default strategy, two additional `IdGenerators` are provided;
 [[read-only-headers]]
 ===== Read-only Headers
 
-The `MessageHeaders.ID` and `MessageHeaders.TIMESTAMP` are read-only headers and the cannot be overridden.
+The `MessageHeaders.ID` and `MessageHeaders.TIMESTAMP` are read-only headers and they cannot be overridden.
 
 Since _version 4.3.2_, the `MessageBuilder` provides the `readOnlyHeaders(String... readOnlyHeaders)` API to customize a list of headers which should not be copied from an upstream `Message`.
 Just the `MessageHeaders.ID` and `MessageHeaders.TIMESTAMP` are read only by default.