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    <title>Go on Wanzi&#39;s Blog – Notes on life, tech, and DevOps.</title>
    <link>https://wanzi.dev/tags/go/</link>
    <description>Recent content in Go on Wanzi&#39;s Blog – Notes on life, tech, and DevOps.</description>
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    <managingEditor>wzdushu@gmail.com (wanzi)</managingEditor>
    <webMaster>wzdushu@gmail.com (wanzi)</webMaster>
    <copyright>丸子有记</copyright>
    <lastBuildDate>Wed, 15 Mar 2023 16:22:42 +0800</lastBuildDate>
    
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    <item>
      <title>Delve Version Too Low to Work with GoLand</title>
      <link>https://wanzi.dev/post/tools-goland-delve-err/</link>
      <pubDate>Wed, 15 Mar 2023 16:22:42 +0800</pubDate>
      <author>wzdushu@gmail.com (wanzi)</author>
      <guid>https://wanzi.dev/post/tools-goland-delve-err/</guid>
      
        <description>&lt;h2 id=&#34;problem&#34;&gt;Problem&lt;/h2&gt;
&lt;p&gt;While debugging code in GoLand recently, I kept encountering the following error:&lt;/p&gt;
&lt;div class=&#34;highlight-container&#34;&gt;

  &lt;button class=&#34;copy-code-btn outline&#34;&gt;Copy&lt;/button&gt;

  
  &lt;div class=&#34;highlight&#34;&gt;&lt;div style=&#34;background-color:#f0f0f0;-moz-tab-size:4;-o-tab-size:4;tab-size:4;-webkit-text-size-adjust:none;&#34;&gt;
&lt;table style=&#34;border-spacing:0;padding:0;margin:0;border:0;&#34;&gt;&lt;tr&gt;&lt;td style=&#34;vertical-align:top;padding:0;margin:0;border:0;&#34;&gt;
&lt;pre tabindex=&#34;0&#34; style=&#34;background-color:#f0f0f0;-moz-tab-size:4;-o-tab-size:4;tab-size:4;-webkit-text-size-adjust:none;&#34;&gt;&lt;code&gt;&lt;span style=&#34;white-space:pre;-webkit-user-select:none;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f&#34; id=&#34;hl-0-1&#34;&gt;&lt;a style=&#34;outline:none;text-decoration:none;color:inherit&#34; href=&#34;#hl-0-1&#34;&gt;1&lt;/a&gt;
&lt;/span&gt;&lt;/code&gt;&lt;/pre&gt;&lt;/td&gt;
&lt;td style=&#34;vertical-align:top;padding:0;margin:0;border:0;;width:100%&#34;&gt;
&lt;pre tabindex=&#34;0&#34; style=&#34;background-color:#f0f0f0;-moz-tab-size:4;-o-tab-size:4;tab-size:4;-webkit-text-size-adjust:none;&#34;&gt;&lt;code class=&#34;language-yaml&#34; data-lang=&#34;yaml&#34;&gt;&lt;span style=&#34;display:flex;&#34;&gt;&lt;span&gt;&lt;span style=&#34;color:#062873;font-weight:bold&#34;&gt;WARNING&lt;/span&gt;:&lt;span style=&#34;color:#bbb&#34;&gt; &lt;/span&gt;undefined behavior - version of Delve is too old for Go version 1.19.3 (maximum supported version 1.18)&lt;/span&gt;&lt;/span&gt;&lt;/code&gt;&lt;/pre&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;
&lt;/div&gt;
&lt;/div&gt;
&lt;/div&gt;
&lt;h2 id=&#34;solution&#34;&gt;Solution&lt;/h2&gt;
&lt;p&gt;The issue essentially means that the installed version of Delve is too old and incompatible with the current Go version.&lt;/p&gt;
&lt;p&gt;To resolve this, update Delve. Since I&amp;rsquo;m using &lt;code&gt;brew&lt;/code&gt; for installation, and the official documentation doesn&amp;rsquo;t provide detailed instructions for &lt;code&gt;brew&lt;/code&gt;, we&amp;rsquo;ll install it directly.&lt;/p&gt;
&lt;div class=&#34;highlight-container&#34;&gt;

  &lt;button class=&#34;copy-code-btn outline&#34;&gt;Copy&lt;/button&gt;

  
  &lt;div class=&#34;highlight&#34;&gt;&lt;div style=&#34;background-color:#f0f0f0;-moz-tab-size:4;-o-tab-size:4;tab-size:4;-webkit-text-size-adjust:none;&#34;&gt;
&lt;table style=&#34;border-spacing:0;padding:0;margin:0;border:0;&#34;&gt;&lt;tr&gt;&lt;td style=&#34;vertical-align:top;padding:0;margin:0;border:0;&#34;&gt;
&lt;pre tabindex=&#34;0&#34; style=&#34;background-color:#f0f0f0;-moz-tab-size:4;-o-tab-size:4;tab-size:4;-webkit-text-size-adjust:none;&#34;&gt;&lt;code&gt;&lt;span style=&#34;white-space:pre;-webkit-user-select:none;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f&#34; id=&#34;hl-1-1&#34;&gt;&lt;a style=&#34;outline:none;text-decoration:none;color:inherit&#34; href=&#34;#hl-1-1&#34;&gt;1&lt;/a&gt;
&lt;/span&gt;&lt;span style=&#34;white-space:pre;-webkit-user-select:none;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f&#34; id=&#34;hl-1-2&#34;&gt;&lt;a style=&#34;outline:none;text-decoration:none;color:inherit&#34; href=&#34;#hl-1-2&#34;&gt;2&lt;/a&gt;
&lt;/span&gt;&lt;span style=&#34;white-space:pre;-webkit-user-select:none;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f&#34; id=&#34;hl-1-3&#34;&gt;&lt;a style=&#34;outline:none;text-decoration:none;color:inherit&#34; href=&#34;#hl-1-3&#34;&gt;3&lt;/a&gt;
&lt;/span&gt;&lt;/code&gt;&lt;/pre&gt;&lt;/td&gt;
&lt;td style=&#34;vertical-align:top;padding:0;margin:0;border:0;;width:100%&#34;&gt;
&lt;pre tabindex=&#34;0&#34; style=&#34;background-color:#f0f0f0;-moz-tab-size:4;-o-tab-size:4;tab-size:4;-webkit-text-size-adjust:none;&#34;&gt;&lt;code class=&#34;language-shell&#34; data-lang=&#34;shell&#34;&gt;&lt;span style=&#34;display:flex;&#34;&gt;&lt;span&gt;git clone https://github.com/go-delve/delve
&lt;/span&gt;&lt;/span&gt;&lt;span style=&#34;display:flex;&#34;&gt;&lt;span&gt;&lt;span style=&#34;color:#007020&#34;&gt;cd&lt;/span&gt; delve
&lt;/span&gt;&lt;/span&gt;&lt;span style=&#34;display:flex;&#34;&gt;&lt;span&gt;go install github.com/go-delve/delve/cmd/dlv&lt;/span&gt;&lt;/span&gt;&lt;/code&gt;&lt;/pre&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;
&lt;/div&gt;
&lt;/div&gt;
&lt;/div&gt;
&lt;p&gt;Or install a specific version:&lt;/p&gt;
&lt;div class=&#34;highlight-container&#34;&gt;

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  &lt;div class=&#34;highlight&#34;&gt;&lt;div style=&#34;background-color:#f0f0f0;-moz-tab-size:4;-o-tab-size:4;tab-size:4;-webkit-text-size-adjust:none;&#34;&gt;
&lt;table style=&#34;border-spacing:0;padding:0;margin:0;border:0;&#34;&gt;&lt;tr&gt;&lt;td style=&#34;vertical-align:top;padding:0;margin:0;border:0;&#34;&gt;
&lt;pre tabindex=&#34;0&#34; style=&#34;background-color:#f0f0f0;-moz-tab-size:4;-o-tab-size:4;tab-size:4;-webkit-text-size-adjust:none;&#34;&gt;&lt;code&gt;&lt;span style=&#34;white-space:pre;-webkit-user-select:none;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f&#34; id=&#34;hl-2-1&#34;&gt;&lt;a style=&#34;outline:none;text-decoration:none;color:inherit&#34; href=&#34;#hl-2-1&#34;&gt;1&lt;/a&gt;
&lt;/span&gt;&lt;span style=&#34;white-space:pre;-webkit-user-select:none;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f&#34; id=&#34;hl-2-2&#34;&gt;&lt;a style=&#34;outline:none;text-decoration:none;color:inherit&#34; href=&#34;#hl-2-2&#34;&gt;2&lt;/a&gt;
&lt;/span&gt;&lt;span style=&#34;white-space:pre;-webkit-user-select:none;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f&#34; id=&#34;hl-2-3&#34;&gt;&lt;a style=&#34;outline:none;text-decoration:none;color:inherit&#34; href=&#34;#hl-2-3&#34;&gt;3&lt;/a&gt;
&lt;/span&gt;&lt;span style=&#34;white-space:pre;-webkit-user-select:none;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f&#34; id=&#34;hl-2-4&#34;&gt;&lt;a style=&#34;outline:none;text-decoration:none;color:inherit&#34; href=&#34;#hl-2-4&#34;&gt;4&lt;/a&gt;
&lt;/span&gt;&lt;/code&gt;&lt;/pre&gt;&lt;/td&gt;
&lt;td style=&#34;vertical-align:top;padding:0;margin:0;border:0;;width:100%&#34;&gt;
&lt;pre tabindex=&#34;0&#34; style=&#34;background-color:#f0f0f0;-moz-tab-size:4;-o-tab-size:4;tab-size:4;-webkit-text-size-adjust:none;&#34;&gt;&lt;code class=&#34;language-shell&#34; data-lang=&#34;shell&#34;&gt;&lt;span style=&#34;display:flex;&#34;&gt;&lt;span&gt;&lt;span style=&#34;color:#60a0b0;font-style:italic&#34;&gt;# Install the latest release&lt;/span&gt;
&lt;/span&gt;&lt;/span&gt;&lt;span style=&#34;display:flex;&#34;&gt;&lt;span&gt;go install github.com/go-delve/delve/cmd/dlv@latest
&lt;/span&gt;&lt;/span&gt;&lt;span style=&#34;display:flex;&#34;&gt;&lt;span&gt;&lt;span style=&#34;color:#60a0b0;font-style:italic&#34;&gt;# Install version 1.20.1&lt;/span&gt;
&lt;/span&gt;&lt;/span&gt;&lt;span style=&#34;display:flex;&#34;&gt;&lt;span&gt;go install github.com/go-delve/delve/cmd/dlv@1.20.1&lt;/span&gt;&lt;/span&gt;&lt;/code&gt;&lt;/pre&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;
&lt;/div&gt;
&lt;/div&gt;
&lt;/div&gt;
&lt;p&gt;By default, &lt;code&gt;go install&lt;/code&gt; places the binary in &lt;code&gt;$GOPATH/bin&lt;/code&gt;.&lt;/p&gt;
&lt;div class=&#34;highlight-container&#34;&gt;

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  &lt;div class=&#34;highlight&#34;&gt;&lt;div style=&#34;background-color:#f0f0f0;-moz-tab-size:4;-o-tab-size:4;tab-size:4;-webkit-text-size-adjust:none;&#34;&gt;
&lt;table style=&#34;border-spacing:0;padding:0;margin:0;border:0;&#34;&gt;&lt;tr&gt;&lt;td style=&#34;vertical-align:top;padding:0;margin:0;border:0;&#34;&gt;
&lt;pre tabindex=&#34;0&#34; style=&#34;background-color:#f0f0f0;-moz-tab-size:4;-o-tab-size:4;tab-size:4;-webkit-text-size-adjust:none;&#34;&gt;&lt;code&gt;&lt;span style=&#34;white-space:pre;-webkit-user-select:none;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f&#34; id=&#34;hl-3-1&#34;&gt;&lt;a style=&#34;outline:none;text-decoration:none;color:inherit&#34; href=&#34;#hl-3-1&#34;&gt;1&lt;/a&gt;
&lt;/span&gt;&lt;span style=&#34;white-space:pre;-webkit-user-select:none;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f&#34; id=&#34;hl-3-2&#34;&gt;&lt;a style=&#34;outline:none;text-decoration:none;color:inherit&#34; href=&#34;#hl-3-2&#34;&gt;2&lt;/a&gt;
&lt;/span&gt;&lt;span style=&#34;white-space:pre;-webkit-user-select:none;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f&#34; id=&#34;hl-3-3&#34;&gt;&lt;a style=&#34;outline:none;text-decoration:none;color:inherit&#34; href=&#34;#hl-3-3&#34;&gt;3&lt;/a&gt;
&lt;/span&gt;&lt;span style=&#34;white-space:pre;-webkit-user-select:none;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f&#34; id=&#34;hl-3-4&#34;&gt;&lt;a style=&#34;outline:none;text-decoration:none;color:inherit&#34; href=&#34;#hl-3-4&#34;&gt;4&lt;/a&gt;
&lt;/span&gt;&lt;span style=&#34;white-space:pre;-webkit-user-select:none;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f&#34; id=&#34;hl-3-5&#34;&gt;&lt;a style=&#34;outline:none;text-decoration:none;color:inherit&#34; href=&#34;#hl-3-5&#34;&gt;5&lt;/a&gt;
&lt;/span&gt;&lt;span style=&#34;white-space:pre;-webkit-user-select:none;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f&#34; id=&#34;hl-3-6&#34;&gt;&lt;a style=&#34;outline:none;text-decoration:none;color:inherit&#34; href=&#34;#hl-3-6&#34;&gt;6&lt;/a&gt;
&lt;/span&gt;&lt;/code&gt;&lt;/pre&gt;&lt;/td&gt;
&lt;td style=&#34;vertical-align:top;padding:0;margin:0;border:0;;width:100%&#34;&gt;
&lt;pre tabindex=&#34;0&#34; style=&#34;background-color:#f0f0f0;-moz-tab-size:4;-o-tab-size:4;tab-size:4;-webkit-text-size-adjust:none;&#34;&gt;&lt;code class=&#34;language-shell&#34; data-lang=&#34;shell&#34;&gt;&lt;span style=&#34;display:flex;&#34;&gt;&lt;span&gt;&lt;span style=&#34;color:#60a0b0;font-style:italic&#34;&gt;# go env GOPATH&lt;/span&gt;
&lt;/span&gt;&lt;/span&gt;&lt;span style=&#34;display:flex;&#34;&gt;&lt;span&gt;/Users/wanzi/go
&lt;/span&gt;&lt;/span&gt;&lt;span style=&#34;display:flex;&#34;&gt;&lt;span&gt;&lt;span style=&#34;color:#60a0b0;font-style:italic&#34;&gt;# ./go/bin/dlv version&lt;/span&gt;
&lt;/span&gt;&lt;/span&gt;&lt;span style=&#34;display:flex;&#34;&gt;&lt;span&gt;Delve Debugger
&lt;/span&gt;&lt;/span&gt;&lt;span style=&#34;display:flex;&#34;&gt;&lt;span&gt;Version: 1.20.1
&lt;/span&gt;&lt;/span&gt;&lt;span style=&#34;display:flex;&#34;&gt;&lt;span&gt;Build: &lt;span style=&#34;color:#bb60d5&#34;&gt;$Id&lt;/span&gt;: 96e65b6c615845d42e0e31d903f6475b0e4ece6e $&lt;/span&gt;&lt;/span&gt;&lt;/code&gt;&lt;/pre&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;
&lt;/div&gt;
&lt;/div&gt;
&lt;/div&gt;
&lt;p&gt;Uninstall the existing Delve and update your &lt;code&gt;PATH&lt;/code&gt; in zsh:&lt;/p&gt;
&lt;div class=&#34;highlight-container&#34;&gt;

  &lt;button class=&#34;copy-code-btn outline&#34;&gt;Copy&lt;/button&gt;

  
  &lt;div class=&#34;highlight&#34;&gt;&lt;div style=&#34;background-color:#f0f0f0;-moz-tab-size:4;-o-tab-size:4;tab-size:4;-webkit-text-size-adjust:none;&#34;&gt;
&lt;table style=&#34;border-spacing:0;padding:0;margin:0;border:0;&#34;&gt;&lt;tr&gt;&lt;td style=&#34;vertical-align:top;padding:0;margin:0;border:0;&#34;&gt;
&lt;pre tabindex=&#34;0&#34; style=&#34;background-color:#f0f0f0;-moz-tab-size:4;-o-tab-size:4;tab-size:4;-webkit-text-size-adjust:none;&#34;&gt;&lt;code&gt;&lt;span style=&#34;white-space:pre;-webkit-user-select:none;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f&#34; id=&#34;hl-4-1&#34;&gt;&lt;a style=&#34;outline:none;text-decoration:none;color:inherit&#34; href=&#34;#hl-4-1&#34;&gt;1&lt;/a&gt;
&lt;/span&gt;&lt;/code&gt;&lt;/pre&gt;&lt;/td&gt;
&lt;td style=&#34;vertical-align:top;padding:0;margin:0;border:0;;width:100%&#34;&gt;
&lt;pre tabindex=&#34;0&#34; style=&#34;background-color:#f0f0f0;-moz-tab-size:4;-o-tab-size:4;tab-size:4;-webkit-text-size-adjust:none;&#34;&gt;&lt;code class=&#34;language-shell&#34; data-lang=&#34;shell&#34;&gt;&lt;span style=&#34;display:flex;&#34;&gt;&lt;span&gt;brew uninstall delve&lt;/span&gt;&lt;/span&gt;&lt;/code&gt;&lt;/pre&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;
&lt;/div&gt;
&lt;/div&gt;
&lt;/div&gt;
&lt;p&gt;Edit &lt;code&gt;~/.zshrc&lt;/code&gt; and add:&lt;/p&gt;
&lt;div class=&#34;highlight-container&#34;&gt;

  &lt;button class=&#34;copy-code-btn outline&#34;&gt;Copy&lt;/button&gt;

  
  &lt;div class=&#34;highlight&#34;&gt;&lt;div style=&#34;background-color:#f0f0f0;-moz-tab-size:4;-o-tab-size:4;tab-size:4;-webkit-text-size-adjust:none;&#34;&gt;
&lt;table style=&#34;border-spacing:0;padding:0;margin:0;border:0;&#34;&gt;&lt;tr&gt;&lt;td style=&#34;vertical-align:top;padding:0;margin:0;border:0;&#34;&gt;
&lt;pre tabindex=&#34;0&#34; style=&#34;background-color:#f0f0f0;-moz-tab-size:4;-o-tab-size:4;tab-size:4;-webkit-text-size-adjust:none;&#34;&gt;&lt;code&gt;&lt;span style=&#34;white-space:pre;-webkit-user-select:none;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f&#34; id=&#34;hl-5-1&#34;&gt;&lt;a style=&#34;outline:none;text-decoration:none;color:inherit&#34; href=&#34;#hl-5-1&#34;&gt;1&lt;/a&gt;
&lt;/span&gt;&lt;/code&gt;&lt;/pre&gt;&lt;/td&gt;
&lt;td style=&#34;vertical-align:top;padding:0;margin:0;border:0;;width:100%&#34;&gt;
&lt;pre tabindex=&#34;0&#34; style=&#34;background-color:#f0f0f0;-moz-tab-size:4;-o-tab-size:4;tab-size:4;-webkit-text-size-adjust:none;&#34;&gt;&lt;code class=&#34;language-shell&#34; data-lang=&#34;shell&#34;&gt;&lt;span style=&#34;display:flex;&#34;&gt;&lt;span&gt;&lt;span style=&#34;color:#007020&#34;&gt;export&lt;/span&gt; &lt;span style=&#34;color:#bb60d5&#34;&gt;PATH&lt;/span&gt;&lt;span style=&#34;color:#666&#34;&gt;=&lt;/span&gt;&lt;span style=&#34;color:#4070a0&#34;&gt;&amp;#34;&lt;/span&gt;&lt;span style=&#34;color:#70a0d0&#34;&gt;${&lt;/span&gt;&lt;span style=&#34;color:#bb60d5&#34;&gt;PATH&lt;/span&gt;&lt;span style=&#34;color:#70a0d0&#34;&gt;}&lt;/span&gt;&lt;span style=&#34;color:#4070a0&#34;&gt;:&lt;/span&gt;&lt;span style=&#34;color:#70a0d0&#34;&gt;${&lt;/span&gt;&lt;span style=&#34;color:#bb60d5&#34;&gt;HOME&lt;/span&gt;&lt;span style=&#34;color:#70a0d0&#34;&gt;}&lt;/span&gt;&lt;span style=&#34;color:#4070a0&#34;&gt;/.krew/bin/:&lt;/span&gt;&lt;span style=&#34;color:#bb60d5&#34;&gt;$HOME&lt;/span&gt;&lt;span style=&#34;color:#4070a0&#34;&gt;/go/bin&amp;#34;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/code&gt;&lt;/pre&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;
&lt;/div&gt;
&lt;/div&gt;
&lt;/div&gt;
&lt;p&gt;Reference: &lt;a href=&#34;https://github.com/go-delve/delve/tree/master/Documentation/installation&#34;&gt;https://github.com/go-delve/delve/tree/master/Documentation/installation&lt;/a&gt;&lt;/p&gt;
</description>
      
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