From 6dcd5938c30cb3994f08c3ea93089473234500ca Mon Sep 17 00:00:00 2001
From: IORI <925716471@qq.com>
Date: Fri, 25 Jan 2019 18:29:48 +0800
Subject: [PATCH] add no-argument constructor method to URL.java fix #3342
 (#3350)

* Fix NullPointerException when Hessian instantiate URL with JavaDeserializer
---
 .../src/main/java/com/alibaba/dubbo/common/URL.java           | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/dubbo-compatible/src/main/java/com/alibaba/dubbo/common/URL.java b/dubbo-compatible/src/main/java/com/alibaba/dubbo/common/URL.java
index 255481f82a1..42bab293018 100644
--- a/dubbo-compatible/src/main/java/com/alibaba/dubbo/common/URL.java
+++ b/dubbo-compatible/src/main/java/com/alibaba/dubbo/common/URL.java
@@ -27,6 +27,10 @@
 @Deprecated
 public class URL extends org.apache.dubbo.common.URL {
 
+    protected URL() {
+        super();
+    }
+
     public URL(org.apache.dubbo.common.URL url) {
         super(url.getProtocol(), url.getUsername(), url.getPassword(), url.getHost(), url.getPort(), url.getPath(), url.getParameters());
     }