revert support 'size 1 list<map> as map'. for issue #3656

src/main/java/com/alibaba/fastjson/parser/deserializer/MapDeserializer.java

@@ -7,7 +7,6 @@
 import java.util.concurrent.ConcurrentMap;
 
 import com.alibaba.fastjson.JSON;
-import com.alibaba.fastjson.JSONArray;
 import com.alibaba.fastjson.JSONException;
 import com.alibaba.fastjson.JSONObject;
 import com.alibaba.fastjson.parser.*;
@@ -100,18 +99,6 @@ public static Map parseMap(DefaultJSONParser parser, Map<String, Object> map, Ty
             msg += ", ";
             msg += lexer.info();
 
-            if (token != JSONToken.LITERAL_STRING) {
-                JSONArray array = new JSONArray();
-                parser.parseArray(array, fieldName);
-
-                if (array.size() == 1) {
-                    Object first = array.get(0);
-                    if (first instanceof JSONObject) {
-                        return (JSONObject) first;
-                    }
-                }
-            }
-
             throw new JSONException(msg);
         }
 

src/test/java/com/alibaba/json/bvt/issue_1100/Issue1189.java

@@ -1,7 +1,6 @@
 package com.alibaba.json.bvt.issue_1100;
 
 import com.alibaba.fastjson.JSON;
-import com.alibaba.fastjson.JSONException;
 import junit.framework.TestCase;
 
 import java.util.Map;
@@ -11,7 +10,7 @@
  */
 public class Issue1189 extends TestCase {
     public void test_for_issue() throws Exception {
-        String str = new String("{\"headernotificationType\": \"PUSH\",\"headertemplateNo\": \"99\",\"headerdestination\": [{\"target\": \"all\",\"targetvalue\": \"all\"}],\"body\": [{\"title\": \"预约超时\",\"body\": \"您的预约已经超时\"}]}");
+        String str = "{\"headernotificationType\": \"PUSH\",\"headertemplateNo\": \"99\",\"headerdestination\": {\"target\": \"all\",\"targetvalue\": \"all\"},\"body\": {\"title\": \"预约超时\",\"body\": \"您的预约已经超时\"}}";
 
         JsonBean objeclt = JSON.parseObject(str, JsonBean.class);
         Map<String, String> list = objeclt.getBody();

src/test/java/com/alibaba/json/bvt/issue_3600/Issue3656.java

@@ -0,0 +1,88 @@
+package com.alibaba.json.bvt.issue_3600;
+
+import com.alibaba.fastjson.JSON;
+import com.alibaba.fastjson.JSONException;
+import org.junit.Test;
+
+import java.util.List;
+import java.util.Map;
+
+/**
+ * @Author ：Nanqi
+ * @Date ：Created in 21:43 2021/02/25
+ */
+public class Issue3656 {
+    @Test(expected = JSONException.class)
+    public void test_for_issue() {
+        String jsonStr = "{" +
+                "    \"serviceType\":\"dubbo\"," +
+                "    \"types\":[" +
+                "        {" +
+                "            \"enums\":[" +
+                "" +
+                "            ]," +
+                "            \"typeBuilderName\":\"DefaultTypeBuilder\"," +
+                "            \"type\":\"int\"," +
+                "            \"items\":[" +
+                "" +
+                "            ]," +
+                "            \"properties\":{" +
+                "" +
+                "            }" +
+                "        }" +
+                "    ]" +
+                "}";
+        Metadata m = JSON.parseObject(jsonStr, Metadata.class);
+    }
+
+    public static class Type {
+        private List<String> enums;
+        private String typeBuilderName;
+        private String type;
+
+        public List<String> getEnums() {
+            return enums;
+        }
+
+        public void setEnums(List<String> enums) {
+            this.enums = enums;
+        }
+
+        public String getTypeBuilderName() {
+            return typeBuilderName;
+        }
+
+        public void setTypeBuilderName(String typeBuilderName) {
+            this.typeBuilderName = typeBuilderName;
+        }
+
+        public String getType() {
+            return type;
+        }
+
+        public void setType(String type) {
+            this.type = type;
+        }
+    }
+
+    public static class Metadata {
+        private String serviceType;
+        private Map<String, Type> types;
+
+        public String getServiceType() {
+            return serviceType;
+        }
+
+        public void setServiceType(String serviceType) {
+            this.serviceType = serviceType;
+        }
+
+        public Map<String, Type> getTypes() {
+            return types;
+        }
+
+        public void setTypes(Map<String, Type> types) {
+            this.types = types;
+        }
+    }
+}