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<h1 id="260-280">2.6.0 升级 2.8.0 指导</h1>
<h2 id="nettyvertx"><code>netty</code>和<code>vert.x</code> 升级</h2>
<p>2.8.0目前使用了最新的 <code>netty</code> 和 <code>vert.x</code> 版本。</p>
<ul>
<li><code>servicecomb.rest.server.http2.maxHeaderListSize</code> 的缺省值由<code>Integer.MAX_VALUE</code> 改为 8192。
java-chassis的缺省值使用了 <code>vert.x</code>的缺省值。 如果业务需要依赖比较大的值，建议在配置文件设置适合应用场景的限制，不跟随这个缺省值。</li>
</ul>
<h2 id="spring-spring-boot"><code>Spring</code> 和 <code>Spring Boot</code> 升级</h2>
<p>2.8.0目前使用了最新的 <code>Spring</code> 和 <code>Spring Boot</code> 版本。</p>
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