diff --git a/Makefile b/Makefile
index e6871aa55e8ead3178b9d7307b08c1fcd61dbb45..de6e4769abd07057735c2da48993a89d4b23734d 100644
--- a/Makefile
+++ b/Makefile
@@ -63,7 +63,7 @@ SLUBStoragePlugin.jar: $(OBJS)
 	@cd build; ${JAVAPATH}/jar cfvM ../$@ ./* ; cd ..
 
 %.class: %.java
-	${JAVAPATH}/javac -classpath ${CLASSPATH}:${JUNITCLASSPATH} -Xlint:deprecation $< 
+	${JAVAPATH}/javac -classpath ${CLASSPATH}:${JUNITCLASSPATH} -Xlint:all $< 
 
 doc: $(SOURCES)
 	javadoc -d doc/ $^
diff --git a/java/org/slub/rosetta/dps/repository/plugin/storage/nfs/SLUBStoragePlugin.java b/java/org/slub/rosetta/dps/repository/plugin/storage/nfs/SLUBStoragePlugin.java
index bde3a2719c7951bc20c03b834c1003177203df75..5658e88ab5f02c6c5fc89f61ad7226142a0822c0 100644
--- a/java/org/slub/rosetta/dps/repository/plugin/storage/nfs/SLUBStoragePlugin.java
+++ b/java/org/slub/rosetta/dps/repository/plugin/storage/nfs/SLUBStoragePlugin.java
@@ -126,7 +126,8 @@ public class SLUBStoragePlugin extends NFSStoragePlugin {
         log.info("SLUBStoragePlugin.getStreamDirectory path=" + path);
         log.info("SLUBStoragePlugin.getStreamDirectory fileName=" + fileName);
         log.info("SLUBStoragePlugin.getStreamDirectory newDir.getAbsolutePath()=" + newDir.getAbsolutePath());
-        newDir.mkdirs();
+        boolean arecreated = newDir.mkdirs();
+        log.info("SLUBStoragePlugin.getStreamDirectory newDir.mkdirs(), directories are created:" + arecreated);
         return new File(newDir.getAbsolutePath() + File.separator + fileName);
     }