<ul class="contains-task-list">
<li class="task-list-item"><input type="checkbox" id="" disabled="" class="task-list-item-checkbox"> I have searched the <a href="https://github.com/apache/dubbo/issues">issues</a> of this repository and believe that this is not a duplicate.</li>
<li class="task-list-item"><input type="checkbox" id="" disabled="" class="task-list-item-checkbox"> I have checked the <a href="https://github.com/apache/dubbo/blob/master/FAQ.md">FAQ</a> of this repository and believe that this is not a duplicate.</li>
</ul>
<h3 dir="auto">Environment</h3>
<ul dir="auto">
<li>Dubbo version: 2.7.0</li>
<li>Operating System version: windows</li>
<li>Java version: 1.8</li>
<li>zookeeper version: 3.4.6</li>
</ul>
<h3 dir="auto">Steps to reproduce this issue</h3>
<p dir="auto">使用zookeeper作为注册中心，开启ipv6的情况下，服务消费者始终找不到服务提供者，能帮忙给解决一下吗？</p>
<p dir="auto">Pls. provide [GitHub address] to reproduce this issue.</p>
<h3 dir="auto">Expected Result</h3>
<p dir="auto">What do you expected from the above steps？</p>
<h3 dir="auto">Actual Result</h3>
<p dir="auto">What actually happens?</p>
<p dir="auto">If there is an exception, please attach the exception trace:</p>
<div class="snippet-clipboard-content notranslate position-relative overflow-auto" data-snippet-clipboard-copy-content="Just put your stack trace here!"><pre class="notranslate"><code class="notranslate">Just put your stack trace here!
</code></pre></div>
<ul class="contains-task-list">
<li class="task-list-item"><input type="checkbox" id="" disabled="" class="task-list-item-checkbox" checked=""> I have searched the <a href="https://github.com/apache/incubator-dubbo/issues">issues</a> of this repository and believe that this is not a duplicate.</li>
<li class="task-list-item"><input type="checkbox" id="" disabled="" class="task-list-item-checkbox" checked=""> I have checked the <a href="https://github.com/apache/incubator-dubbo/blob/master/FAQ.md">FAQ</a> of this repository and believe that this is not a duplicate.</li>
</ul>
<h3 dir="auto">Environment</h3>
<ul dir="auto">
<li>Dubbo version: 2.7.0</li>
<li>Operating System version: Windows7</li>
<li>Java version: jdk8</li>
</ul>
<h3 dir="auto">Steps to reproduce this issue</h3>
<ol dir="auto">
<li>stop dubbo service</li>
<li>dubbo client set checked = true.  do get cudbbo client for times.</li>
<li>the size of list field [urls] in ReferenceConfig wil increase</li>
</ol>
<p dir="auto">Pls. provide [GitHub address] to reproduce this issue.<br>
(project)[https://github.com/vio-lin/incubator-dubbo/tree/error-situation]<br>
run java file<br>
incubator-dubbo\dubbo-demo\dubbo-demo-xml\dubbo-demo-xml-consumer\src\main\java\org\apache\dubbo\demo\consumer\Application.java</p>
<h3 dir="auto">Expected Result</h3>
<p dir="auto">the [urls] in ReferenceConfig will be updated.</p>
<h3 dir="auto">Actual Result</h3>
<p dir="auto">the avalidable registery urls be add to [urls] in ReferenceConfig</p>