Fix GITHUB-322.

https://github.com/cbeust/jcommander/issues/322

1 files changed, 6 insertions, 1 deletions

diff --git a/src/main/java/com/beust/jcommander/JCommander.java b/src/main/java/com/beust/jcommander/JCommander.java
index 60ee09b..0af216c 100644
--- a/src/main/java/com/beust/jcommander/JCommander.java
+++ b/src/main/java/com/beust/jcommander/JCommander.java
@@ -797,12 +797,17 @@ public class JCommander {
         } else if (index < args.length - 1) {
             int offset = "--".equals(args[index + 1]) ? 1 : 0;
 
+            Object finalValue = null;
             if (index + arity < args.length) {
                 for (int j = 1; j <= arity; j++) {
                     String value = trim(args[index + j + offset]);
-                    pd.addValue(arg, value, false, validate);
+                    finalValue = pd.addValue(arg, value, false, validate);
                     requiredFields.remove(pd.getParameterized());
                 }
+
+                if (finalValue != null && validate) {
+                  pd.validateValueParameter(arg, finalValue);
+                }
                 index += arity + offset;
             } else {
                 throw new ParameterException("Expected " + arity + " values after " + arg);