From 807b10e56eb5c055e72fc159dea0c0b4b4ccc159 Mon Sep 17 00:00:00 2001
From: Wang Chengming <634749869@qq.com>
Date: Wed, 30 Mar 2022 11:51:19 +0800
Subject: [PATCH] Remove hard-coded param type check in MapTypeBuilder (#9849)

fix #9847
---
 .../dubbo/metadata/definition/builder/MapTypeBuilder.java | 8 --------
 1 file changed, 8 deletions(-)

diff --git a/dubbo-common/src/main/java/org/apache/dubbo/metadata/definition/builder/MapTypeBuilder.java b/dubbo-common/src/main/java/org/apache/dubbo/metadata/definition/builder/MapTypeBuilder.java
index 121198c5630..287fe597619 100755
--- a/dubbo-common/src/main/java/org/apache/dubbo/metadata/definition/builder/MapTypeBuilder.java
+++ b/dubbo-common/src/main/java/org/apache/dubbo/metadata/definition/builder/MapTypeBuilder.java
@@ -22,8 +22,6 @@
 
 import java.lang.reflect.ParameterizedType;
 import java.lang.reflect.Type;
-import java.text.MessageFormat;
-import java.util.Arrays;
 import java.util.Map;
 
 import static org.apache.dubbo.common.utils.TypeUtils.getRawClass;
@@ -53,12 +51,6 @@ public TypeDefinition build(Type type, Class<?> clazz, Map<String, TypeDefinitio
         Type[] actualTypeArgs = parameterizedType.getActualTypeArguments();
         int actualTypeArgsLength = actualTypeArgs == null ? 0 : actualTypeArgs.length;
 
-        if (actualTypeArgsLength != 2) {
-            throw new IllegalArgumentException(MessageFormat.format(
-                    "[ServiceDefinitionBuilder] Map type [{0}] with unexpected amount of arguments [{1}]."
-                            + Arrays.toString(actualTypeArgs), type, actualTypeArgs));
-        }
-
         String mapType = ClassUtils.getCanonicalNameForParameterizedType(parameterizedType);
 
         TypeDefinition td = typeCache.get(mapType);