57ba1b
@@ -80,8 +80,10 @@
public class FtpChangedExclusiveReadLockStrategy implements GenericFileExclusive
             LOG.trace("List files {} found {} files", file.getAbsoluteFilePath(), files.size());
             for (FTPFile f : files) {
                 if (f.getName().equals(file.getFileNameOnly())) {
-                    newLastModified = f.getTimestamp().getTimeInMillis();
                     newLength = f.getSize();
+                    if (f.getTimestamp() != null) {
+                        newLastModified = f.getTimestamp().getTimeInMillis();
+                    }
                 }
             }
 
