BIS-506: Zip file based archiver consistency checks - improve error message

SVN: 29881

datastore_server/source/java/ch/systemsx/cisd/openbis/dss/archiveverifier/verifier/ZipFileIntegrityVerifier.java

@@ -73,7 +73,7 @@ public class ZipFileIntegrityVerifier extends AbstractZipFileVerifier
 
         } catch (ZipException ex)
         {
-            return new VerificationError(VerificationErrorType.ERROR, ex.getMessage());
+            return new VerificationError(VerificationErrorType.ERROR, "Corrupted zip file entry, reason: " + ex.getMessage());
         } catch (IOException ex)
         {
             return new VerificationError(VerificationErrorType.ERROR, entry.getName() + ": " + ex.getMessage());