<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: 2.7.1</li>
<li>Operating System version: win7</li>
<li>Java version: 8</li>
</ul>
<p dir="auto">Reference has the property url, so we can connect to the provider directly, can you support it as a global config in consumer?</p>
<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/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"> 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: 2.5.10</li>
<li>Operating System version: windows7</li>
<li>Java version: jdk1.8</li>
</ul>
<p dir="auto">use dubbo-2.5.x and dubbo-2.6.x, it is need to exclude dubbo-common , otherwise, boot log output</p>
<div class="snippet-clipboard-content notranslate position-relative overflow-auto" data-snippet-clipboard-copy-content="Duplicate class com/alibaba/dubbo/common/Version.class in 2 jar"><pre class="notranslate"><code class="notranslate">Duplicate class com/alibaba/dubbo/common/Version.class in 2 jar
</code></pre></div>
<p dir="auto">and then i do this</p>
<div class="snippet-clipboard-content notranslate position-relative overflow-auto" data-snippet-clipboard-copy-content="&lt;dependency&gt;
			&lt;groupId&gt;com.alibaba&lt;/groupId&gt;
			&lt;artifactId&gt;dubbo&lt;/artifactId&gt;
			&lt;scope&gt;system&lt;/scope&gt;
			&lt;version&gt;${alibaba.dubbo.version}&lt;/version&gt;
			&lt;systemPath&gt;${basedir}/lib/dubbo-2.5.10.jar&lt;/systemPath&gt;
			&lt;exclusions&gt;
				&lt;exclusion&gt;
					&lt;groupId&gt;com.alibaba&lt;/groupId&gt;
					&lt;artifactId&gt;dubbo-common&lt;/artifactId&gt;
				&lt;/exclusion&gt;
			&lt;/exclusions&gt;
		&lt;/dependency&gt;"><pre class="notranslate"><code class="notranslate">&lt;dependency&gt;
			&lt;groupId&gt;com.alibaba&lt;/groupId&gt;
			&lt;artifactId&gt;dubbo&lt;/artifactId&gt;
			&lt;scope&gt;system&lt;/scope&gt;
			&lt;version&gt;${alibaba.dubbo.version}&lt;/version&gt;
			&lt;systemPath&gt;${basedir}/lib/dubbo-2.5.10.jar&lt;/systemPath&gt;
			&lt;exclusions&gt;
				&lt;exclusion&gt;
					&lt;groupId&gt;com.alibaba&lt;/groupId&gt;
					&lt;artifactId&gt;dubbo-common&lt;/artifactId&gt;
				&lt;/exclusion&gt;
			&lt;/exclusions&gt;
		&lt;/dependency&gt;
</code></pre></div>
<p dir="auto">but when i include kryo , i need to repeat that ,just like</p>
<div class="snippet-clipboard-content notranslate position-relative overflow-auto" data-snippet-clipboard-copy-content="&lt;dependency&gt;
			&lt;groupId&gt;com.alibaba&lt;/groupId&gt;
			&lt;artifactId&gt;dubbo-serialization-kryo&lt;/artifactId&gt;
			&lt;version&gt;2.6.2&lt;/version&gt;
			&lt;exclusions&gt;
				&lt;exclusion&gt;
					&lt;groupId&gt;com.alibaba&lt;/groupId&gt;
					&lt;artifactId&gt;dubbo-common&lt;/artifactId&gt;
				&lt;/exclusion&gt;
			&lt;/exclusions&gt;
		&lt;/dependency&gt;"><pre class="notranslate"><code class="notranslate">&lt;dependency&gt;
			&lt;groupId&gt;com.alibaba&lt;/groupId&gt;
			&lt;artifactId&gt;dubbo-serialization-kryo&lt;/artifactId&gt;
			&lt;version&gt;2.6.2&lt;/version&gt;
			&lt;exclusions&gt;
				&lt;exclusion&gt;
					&lt;groupId&gt;com.alibaba&lt;/groupId&gt;
					&lt;artifactId&gt;dubbo-common&lt;/artifactId&gt;
				&lt;/exclusion&gt;
			&lt;/exclusions&gt;
		&lt;/dependency&gt;
</code></pre></div>
<p dir="auto">but this Dependency transfer problem is not appear in  <a href="https://github.com/dangdangdotcom/dubbox">https://github.com/dangdangdotcom/dubbox</a>,<br>
can fix it ?</p>