- add log error if dir creation not successful

java/org/slub/rosetta/dps/repository/plugin/storage/nfs/SLUBStoragePlugin.java

@@ -722,6 +722,9 @@ public class SLUBStoragePlugin extends AbstractStorageHandler {
         File newDir = new File(getDirRoot() + File.separator + path);
         //log.debug("SLUBStoragePlugin.getStreamDirectory newDir.getAbsolutePath()=" + newDir.getAbsolutePath());
         boolean arecreated = newDir.mkdirs();
+        if (!arecreated) {
+            log.error("SLUBStoragePlugin.getStreamDirectory() newDir='" + newDir + "' could not be created");
+        }
         log.info("SLUBStoragePlugin.getStreamDirectory newDir.mkdirs(), directories are created:" + arecreated);
         return new File(newDir.getAbsolutePath() + File.separator + fileName);
     }