<?xml version="1.0" encoding="UTF-8"?><rss xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:content="http://purl.org/rss/1.0/modules/content/" xmlns:atom="http://www.w3.org/2005/Atom" version="2.0"><channel><title><![CDATA[jazzy版本有些安装包和功能安装不了]]></title><description><![CDATA[<p dir="auto">比如说xacro就装不上，求各位大佬指点<br />
ljj@DESKTOP-E1U60F0:~/code/chapt6/chapt6_ws$ echo $ROS_DISTRO<br />
jazzy<br />
ljj@DESKTOP-E1U60F0:~/code/chapt6/chapt6_ws$ sudo apt install ros-jazzy-xacro<br />
[sudo] password for ljj:<br />
Reading package lists... Done<br />
Building dependency tree... Done<br />
Reading state information... Done<br />
E: Unable to locate package ros-jazzy-xacro<br />
ljj@DESKTOP-E1U60F0:~/code/chapt6/chapt6_ws$</p>
]]></description><link>https://fishros.org.cn/forum/topic/4723/jazzy版本有些安装包和功能安装不了</link><generator>RSS for Node</generator><lastBuildDate>Wed, 26 Aug 2026 15:13:52 GMT</lastBuildDate><atom:link href="https://fishros.org.cn/forum/topic/4723.rss" rel="self" type="application/rss+xml"/><pubDate>Mon, 09 Feb 2026 11:06:11 GMT</pubDate><ttl>60</ttl><item><title><![CDATA[Reply to jazzy版本有些安装包和功能安装不了 on Thu, 12 Feb 2026 07:28:35 GMT]]></title><description><![CDATA[<p dir="auto"><a class="mention plugin-mentions-user plugin-mentions-a" href="https://fishros.org.cn/forum/uid/30653">@three_fall</a> 在 <a href="/forum/post/19493">jazzy版本有些安装包和功能安装不了</a> 中说：</p>
<blockquote>
<p dir="auto">xacro</p>
</blockquote>
<p dir="auto">可以多试几次，我也遇到这个问题，有时候包搜索不到。<br />
我前几次就没有索索结果</p>
<pre><code class="language-bash">user@local:~$ sudo apt search ros-jazzy-axcro
Sorting... Done
Full Text Search... Done
user@local:~$
</code></pre>
<p dir="auto">后面突然就搜索到了</p>
<pre><code>user@local:~$ sudo apt search ros-jazzy-xacro
Sorting... Done
Full Text Search... Done
ros-jazzy-xacro/noble 2.1.1-1noble.20260121.184858 amd64
  Xacro (XML Macros) Xacro is an XML macro language.

user@local:~$ 
</code></pre>
<p dir="auto">你也可以多试几次。不知道apt抽的什么风</p>
]]></description><link>https://fishros.org.cn/forum/post/19499</link><guid isPermaLink="true">https://fishros.org.cn/forum/post/19499</guid><dc:creator><![CDATA[ros_learner]]></dc:creator><pubDate>Thu, 12 Feb 2026 07:28:35 GMT</pubDate></item></channel></rss>