Merge pull request #4 from allegro/parameters_error_messages

Error messages when parameters problem occurred.

Author: awislowski

src/main/java/pl/allegro/tech/search/elasticsearch/tools/reindex/ReindexCommandParser.java

@@ -25,6 +25,10 @@ public boolean tryParse(String... args) {
       buildReindexParameters(command);
 
     } catch (ParameterException | ParsingElasticsearchAddressException exception) {
+      JCommander.getConsole().println("Parameters error occurred:");
+      JCommander.getConsole().println(exception.getMessage());
+      JCommander.getConsole().println("");
+
       jCommander.usage();
       return false;
     }

src/main/java/pl/allegro/tech/search/elasticsearch/tools/reindex/connection/ElasticAddressParser.java

@@ -17,7 +17,7 @@ public ElasticAddress parse(String uri) {
       elasticAddress.setTypeName(matcher.group(4));
       return elasticAddress;
     } else {
-      throw new ParsingElasticsearchAddressException("Could not parse ELS address:" + uri);
+      throw new ParsingElasticsearchAddressException("Could not parse elasticsearch url: " + uri);
     }
   }
 }