diff --git a/jps/jps-builders/src/org/jetbrains/jps/builders/java/JavaBuilderUtil.java b/jps/jps-builders/src/org/jetbrains/jps/builders/java/JavaBuilderUtil.java
index 309fab56987c..b197cda76186 100644
--- a/jps/jps-builders/src/org/jetbrains/jps/builders/java/JavaBuilderUtil.java
+++ b/jps/jps-builders/src/org/jetbrains/jps/builders/java/JavaBuilderUtil.java
@@ -100,6 +100,9 @@ public class JavaBuilderUtil {
             if (!newlyAffectedFiles.isEmpty()) {
 
               if (LOG.isDebugEnabled()) {
+                for (File file : newlyAffectedFiles) {
+                  LOG.debug("affected file: " + file.getPath());
+                }
                 final List<Pair<File, JpsModule>> wrongFiles =
                   checkAffectedFilesInCorrectModules(context, newlyAffectedFiles, moduleBasedFilter);
                 if (!wrongFiles.isEmpty()) {
diff --git a/jps/jps-builders/src/org/jetbrains/jps/incremental/java/JavaBuilder.java b/jps/jps-builders/src/org/jetbrains/jps/incremental/java/JavaBuilder.java
index d33844602abf..e02e61d03fd2 100644
--- a/jps/jps-builders/src/org/jetbrains/jps/incremental/java/JavaBuilder.java
+++ b/jps/jps-builders/src/org/jetbrains/jps/incremental/java/JavaBuilder.java
@@ -344,6 +344,9 @@ public class JavaBuilder extends ModuleLevelBuilder {
         if (filesCount > 0) {
           LOG.info("Compiling " + filesCount + " java files; module: " + chunkName + (chunk.containsTests() ? " (tests)" : ""));
           if (LOG.isDebugEnabled()) {
+            for (File file : files) {
+              LOG.debug("Compiling " + file.getPath());
+            }
             LOG.debug(" classpath for " + chunkName + ":");
             for (File file : classpath) {
               LOG.debug("  " + file.getAbsolutePath());