diff --git a/plugins/org.eclipse.xtext/src/org/eclipse/xtext/mwe/PathTraverser.java b/plugins/org.eclipse.xtext/src/org/eclipse/xtext/mwe/PathTraverser.java
index <HASH>..<HASH> 100644
--- a/plugins/org.eclipse.xtext/src/org/eclipse/xtext/mwe/PathTraverser.java
+++ b/plugins/org.eclipse.xtext/src/org/eclipse/xtext/mwe/PathTraverser.java
@@ -41,7 +41,7 @@ public class PathTraverser {
 	public Set<URI> findAllResourceUris(String path, Predicate<URI> isValidPredicate) {
 		File file = new File(path);
 		if(!file.exists()) {
-			LOG.warn("File under : " + path + " doesn't exist.");
+			LOG.debug("File under : " + path + " doesn't exist.");
 			return Sets.newHashSet();
 		} else if (file.isDirectory()) {
 			return traverseDir(file, isValidPredicate);
[mvn] use xtext-antlr-generator. PathTraverser - changed log from warn
to debug

Change-Id: Ie<I>a<I>a3bb<I>f<I>c8e2ba6e<I>a7c