diff --git a/modules/citrus-core/src/main/java/com/consol/citrus/validation/matcher/hamcrest/HamcrestValidationMatcher.java b/modules/citrus-core/src/main/java/com/consol/citrus/validation/matcher/hamcrest/HamcrestValidationMatcher.java
index 0b10579e7b..97e9536c40 100644
--- a/modules/citrus-core/src/main/java/com/consol/citrus/validation/matcher/hamcrest/HamcrestValidationMatcher.java
+++ b/modules/citrus-core/src/main/java/com/consol/citrus/validation/matcher/hamcrest/HamcrestValidationMatcher.java
@@ -22,11 +22,16 @@
 import com.consol.citrus.validation.matcher.ValidationMatcher;
 import org.hamcrest.Matcher;
 import org.hamcrest.Matchers;
-import org.springframework.util.*;
+import org.springframework.util.Assert;
+import org.springframework.util.ReflectionUtils;
+import org.springframework.util.StringUtils;
 
 import java.lang.reflect.InvocationTargetException;
 import java.lang.reflect.Method;
-import java.util.*;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.List;
 
 import static org.hamcrest.MatcherAssert.assertThat;
 
@@ -173,14 +178,14 @@ private Matcher getMatcher(String matcherName, String[] matcherParameter) {
      * @param value
      * @return
      */
-    private Set<String> getCollection(String value) {
+    private List<String> getCollection(String value) {
         String arrayString = value;
 
         if (arrayString.startsWith("[") && arrayString.endsWith("]")) {
             arrayString = arrayString.substring(1, arrayString.length()-1);
         }
 
-        return StringUtils.commaDelimitedListToSet(arrayString);
+        return Arrays.asList(StringUtils.commaDelimitedListToStringArray(arrayString));
     }
 
     /**
diff --git a/modules/citrus-core/src/test/java/com/consol/citrus/validation/matcher/hamcrest/HamcrestValidationMatcherTest.java b/modules/citrus-core/src/test/java/com/consol/citrus/validation/matcher/hamcrest/HamcrestValidationMatcherTest.java
index c82648ffd0..14ccaf9206 100644
--- a/modules/citrus-core/src/test/java/com/consol/citrus/validation/matcher/hamcrest/HamcrestValidationMatcherTest.java
+++ b/modules/citrus-core/src/test/java/com/consol/citrus/validation/matcher/hamcrest/HamcrestValidationMatcherTest.java
@@ -68,7 +68,9 @@ public Object[][] testData() {
             new Object[]{"foo", "9", Collections.singletonList("lessThanOrEqualTo(9)")},
             new Object[]{"foo", "", Arrays.asList("1", "lessThanOrEqualTo(9)")},
             new Object[]{"foo", "", Arrays.asList("9", "lessThanOrEqualTo(9)")},
-            new Object[]{"foo", "[value1,value2,value3,value4,value5]", Collections.singletonList("hasSize(5)") }
+            new Object[]{"foo", "[value1,value2,value3,value4,value5]", Collections.singletonList("hasSize(5)") },
+            new Object[]{"foo", "[\"unique_value\",\"different_unique_value\"]", Collections.singletonList("hasSize(2)") },
+            new Object[]{"foo", "[\"duplicate_value\",\"duplicate_value\"]", Collections.singletonList("hasSize(2)") }
         };
     }
 
@@ -113,4 +115,4 @@ public Object[][] testDataFailed() {
             new Object[]{"foo", "[value1,value2]", Collections.singletonList("hasSize(5)") }
         };
     }
-}
\ No newline at end of file
+}
diff --git a/modules/citrus-integration/src/it/resources/com/consol/citrus/validation/JsonPathValidationIT.xml b/modules/citrus-integration/src/it/resources/com/consol/citrus/validation/JsonPathValidationIT.xml
index 623b32c068..5ffc6f0f5c 100644
--- a/modules/citrus-integration/src/it/resources/com/consol/citrus/validation/JsonPathValidationIT.xml
+++ b/modules/citrus-integration/src/it/resources/com/consol/citrus/validation/JsonPathValidationIT.xml
@@ -22,14 +22,23 @@
         <http:send-request client="httpClient">
           <http:POST>
             <http:body>
-              <http:data>
-                {
-                  "type" : "read",
-                  "mbean" : "java.lang:type=Memory",
-                  "attribute" : "HeapMemoryUsage",
-                  "path" : "used",
-                  "lastModified": null
-                }
+              <http:data>{
+                "type": "read",
+                "mbean": "java.lang:type=Memory",
+                "attribute": "HeapMemoryUsage",
+                "path": "used",
+                "lastModified": null,
+                "test_array": [
+                  {
+                    "key_with_identical_values": "identical_value",
+                    "key_with_unique_values": "unique_value"
+                  },
+                  {
+                    "key_with_identical_values": "identical_value",
+                    "key_with_unique_values": "different_unique_value"
+                  }
+                ]
+              }
               </http:data>
             </http:body>
           </http:POST>
@@ -45,6 +54,8 @@
                     <http:json-path expression="$..attribute" value="HeapMemoryUsage"/>
                     <http:json-path expression="$.path" value="@equalsIgnoreCase('USED')@"/>
                     <http:json-path expression="$.lastModified" value="@assertThat(nullValue())@"/>
+                    <http:json-path expression="$..key_with_identical_values" value="@assertThat(hasSize(2))@"/>
+                    <http:json-path expression="$..key_with_unique_values" value="@assertThat(hasSize(2))@"/>
                 </http:validate>
               </http:body>
             </http:POST>
@@ -108,4 +119,4 @@
 
     </actions>
   </testcase>
-</spring:beans>
\ No newline at end of file
+</spring:beans>