FIX: Compiles again.

src/main/java/caosdb/server/utils/Info.java

@@ -201,7 +201,7 @@ public class Info extends AbstractObservable implements Observer, TransactionInt
     }
     final Element e = new Element("dropOffBox");
     if (dropOffBox.isDirectory()) {
-        if (dropOffBox.isReadable()) {
+      if (dropOffBox.canRead()) {
         if (tree) {
           e.setAttribute("path", dropOffBox.getAbsolutePath());
           e.addContent(getTree(dropOffBox.listFiles()));