540403: added log entry if this occurs
diff --git a/org.eclipse.ajdt.core/src/org/eclipse/ajdt/internal/core/ajde/CoreOutputLocationManager.java b/org.eclipse.ajdt.core/src/org/eclipse/ajdt/internal/core/ajde/CoreOutputLocationManager.java
index 1893d49..11e5201 100644
--- a/org.eclipse.ajdt.core/src/org/eclipse/ajdt/internal/core/ajde/CoreOutputLocationManager.java
+++ b/org.eclipse.ajdt.core/src/org/eclipse/ajdt/internal/core/ajde/CoreOutputLocationManager.java
@@ -298,7 +298,8 @@
 	    // presumably it is being recompiled
 	    if (Util.isJavaLikeFileName(compilationUnit.getName()) && !isComputingXmlFile()) {     
 	    	if (compiledSourceFiles == null) {
-	    		System.err.println("Unexpectedly buildStarted() has not been called yet, unable to record: "+compilationUnit.getName());
+	    		// pr540403
+	    		AJLog.log(AJLog.BUILDER,"Unexpectedly buildStarted() has not been called yet, unable to record: "+compilationUnit.getName());
 	    	} else {
 	    		compiledSourceFiles.add(compilationUnit);
 	    	}