Improve logging of getPlateMetadataList().

SVN: 26169

screening/source/java/ch/systemsx/cisd/openbis/plugin/screening/server/ScreeningServerLogger.java

@@ -444,7 +444,7 @@ final class ScreeningServerLogger extends AbstractServerLogger implements IScree
     public List<PlateMetadata> getPlateMetadataList(String sessionToken,
             List<? extends PlateIdentifier> plates) throws IllegalArgumentException
     {
-        logAccess(sessionToken, "getPlates", "plates(%s)", plates);
+        logAccess(sessionToken, "getPlateMetadataList", "#plates: %s", plates.size());
         return null;
     }