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href="/qwen-code-docs/en/core/tools-api/">Tools API</a></li><li class=""><a class="x:focus-visible:nextra-focus x:flex x:rounded x:px-2 x:py-1.5 x:text-sm x:transition-colors x:[word-break:break-word] x:cursor-pointer x:contrast-more:border x:text-gray-600 x:hover:bg-gray-100 x:hover:text-gray-900 x:dark:text-neutral-400 x:dark:hover:bg-primary-100/5 x:dark:hover:text-gray-50 x:contrast-more:text-gray-900 x:contrast-more:dark:text-gray-50 x:contrast-more:border-transparent x:contrast-more:hover:border-gray-900 x:contrast-more:dark:hover:border-gray-50" href="/qwen-code-docs/en/core/memport/">Memory Import Processor</a></li></ul></div></li><li class=""><button class="x:transition x:cursor-pointer x:items-center x:justify-between x:gap-2 x:text-start x:w-full x:flex x:rounded x:px-2 x:py-1.5 x:text-sm x:transition-colors x:[word-break:break-word] x:cursor-pointer x:contrast-more:border x:text-gray-600 x:hover:bg-gray-100 x:hover:text-gray-900 x:dark:text-neutral-400 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x:dark:text-neutral-400 x:dark:hover:bg-primary-100/5 x:dark:hover:text-gray-50 x:contrast-more:text-gray-900 x:contrast-more:dark:text-gray-50 x:contrast-more:border-transparent x:contrast-more:hover:border-gray-900 x:contrast-more:dark:hover:border-gray-50" href="/qwen-code-docs/en/tools/shell/">Shell Tools</a></li><li class=""><a class="x:focus-visible:nextra-focus x:flex x:rounded x:px-2 x:py-1.5 x:text-sm x:transition-colors x:[word-break:break-word] x:cursor-pointer x:contrast-more:border x:text-gray-600 x:hover:bg-gray-100 x:hover:text-gray-900 x:dark:text-neutral-400 x:dark:hover:bg-primary-100/5 x:dark:hover:text-gray-50 x:contrast-more:text-gray-900 x:contrast-more:dark:text-gray-50 x:contrast-more:border-transparent x:contrast-more:hover:border-gray-900 x:contrast-more:dark:hover:border-gray-50" href="/qwen-code-docs/en/tools/web-fetch/">Web Fetch Tools</a></li><li class=""><a class="x:focus-visible:nextra-focus x:flex x:rounded x:px-2 x:py-1.5 x:text-sm x:transition-colors 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x:contrast-more:dark:hover:border-gray-50" data-href="/en/examples" type="button" data-headlessui-state="">Example Code<svg viewBox="0 0 24 24" stroke="currentColor" fill="none" stroke-width="2" height="18" class="x:shrink-0 x:rounded-sm x:p-0.5 x:hover:bg-gray-800/5 x:dark:hover:bg-gray-100/5 x:motion-reduce:transition-none x:origin-center x:transition-all x:rtl:-rotate-180"><path d="M9 5l7 7-7 7" stroke-linecap="round" stroke-linejoin="round"></path></svg></button><div class="x:transform-gpu x:transition-all x:ease-in-out x:motion-reduce:transition-none x:opacity-0 x:overflow-hidden" style="height:0;transition-duration:300ms"><ul class="x:grid x:gap-1 x:relative x:before:absolute x:before:inset-y-1 x:before:w-px x:before:bg-gray-200 x:before:content-[&quot;&quot;] x:dark:before:bg-neutral-800 x:ps-3 x:before:start-0 x:pt-1 x:ms-3"><li class=""><a class="x:focus-visible:nextra-focus x:flex x:rounded x:px-2 x:py-1.5 x:text-sm x:transition-colors x:[word-break:break-word] 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<p class="x:not-first:mt-[1.25em] x:leading-7">This guide provides solutions to common issues and debugging tips, including topics on:</p>
<ul class="x:[:is(ol,ul)_&amp;]:my-[.75em] x:not-first:mt-[1.25em] x:list-disc x:ms-[1.5em]">
<li class="x:my-[.5em]">Authentication or login errors</li>
<li class="x:my-[.5em]">Frequently asked questions (FAQs)</li>
<li class="x:my-[.5em]">Debugging tips</li>
<li class="x:my-[.5em]">Existing GitHub Issues similar to yours or creating new Issues</li>
</ul>
<h2 id="authentication-or-login-errors" class="x:tracking-tight x:text-slate-900 x:dark:text-slate-100 x:font-semibold x:target:animate-[fade-in_1.5s] x:mt-10 x:border-b x:pb-1 x:text-3xl nextra-border">Authentication or login errors<a href="#authentication-or-login-errors" class="x:focus-visible:nextra-focus subheading-anchor" aria-label="Permalink for this section"></a></h2>
<ul class="x:[:is(ol,ul)_&amp;]:my-[.75em] x:not-first:mt-[1.25em] x:list-disc x:ms-[1.5em]">
<li class="x:my-[.5em]"><strong>Error: <code class="nextra-code" dir="ltr">UNABLE_TO_GET_ISSUER_CERT_LOCALLY</code> or <code class="nextra-code" dir="ltr">unable to get local issuer certificate</code></strong>
<ul class="x:[:is(ol,ul)_&amp;]:my-[.75em] x:not-first:mt-[1.25em] x:list-disc x:ms-[1.5em]">
<li class="x:my-[.5em]"><strong>Cause:</strong> You may be on a corporate network with a firewall that intercepts and inspects SSL/TLS traffic. This often requires a custom root CA certificate to be trusted by Node.js.</li>
<li class="x:my-[.5em]"><strong>Solution:</strong> Set the <code class="nextra-code" dir="ltr">NODE_EXTRA_CA_CERTS</code> environment variable to the absolute path of your corporate root CA certificate file.
<ul class="x:[:is(ol,ul)_&amp;]:my-[.75em] x:not-first:mt-[1.25em] x:list-disc x:ms-[1.5em]">
<li class="x:my-[.5em]">Example: <code class="nextra-code" dir="ltr">export NODE_EXTRA_CA_CERTS=/path/to/your/corporate-ca.crt</code></li>
</ul>
</li>
</ul>
</li>
</ul>
<h2 id="frequently-asked-questions-faqs" class="x:tracking-tight x:text-slate-900 x:dark:text-slate-100 x:font-semibold x:target:animate-[fade-in_1.5s] x:mt-10 x:border-b x:pb-1 x:text-3xl nextra-border">Frequently asked questions (FAQs)<a href="#frequently-asked-questions-faqs" class="x:focus-visible:nextra-focus subheading-anchor" aria-label="Permalink for this section"></a></h2>
<ul class="x:[:is(ol,ul)_&amp;]:my-[.75em] x:not-first:mt-[1.25em] x:list-disc x:ms-[1.5em]">
<li class="x:my-[.5em]">
<p class="x:not-first:mt-[1.25em] x:leading-7"><strong>Q: How do I update Qwen Code to the latest version?</strong></p>
<ul class="x:[:is(ol,ul)_&amp;]:my-[.75em] x:not-first:mt-[1.25em] x:list-disc x:ms-[1.5em]">
<li class="x:my-[.5em]">A: If you installed it globally via <code class="nextra-code" dir="ltr">npm</code>, update it using the command <code class="nextra-code" dir="ltr">npm install -g @qwen-code/qwen-code@latest</code>. If you compiled it from source, pull the latest changes from the repository, and then rebuild using the command <code class="nextra-code" dir="ltr">npm run build</code>.</li>
</ul>
</li>
<li class="x:my-[.5em]">
<p class="x:not-first:mt-[1.25em] x:leading-7"><strong>Q: Where are the Qwen Code configuration or settings files stored?</strong></p>
<ul class="x:[:is(ol,ul)_&amp;]:my-[.75em] x:not-first:mt-[1.25em] x:list-disc x:ms-[1.5em]">
<li class="x:my-[.5em]">
<p class="x:not-first:mt-[1.25em] x:leading-7">A: The Qwen Code configuration is stored in two <code class="nextra-code" dir="ltr">settings.json</code> files:</p>
<ol class="x:[:is(ol,ul)_&amp;]:my-[.75em] x:not-first:mt-[1.25em] x:list-decimal x:ms-6">
<li class="x:my-[.5em]">In your home directory: <code class="nextra-code" dir="ltr">~/.qwen/settings.json</code>.</li>
<li class="x:my-[.5em]">In your project’s root directory: <code class="nextra-code" dir="ltr">./.qwen/settings.json</code>.</li>
</ol>
<p class="x:not-first:mt-[1.25em] x:leading-7">Refer to <a class="x:focus-visible:nextra-focus x:text-primary-600 x:underline x:hover:no-underline x:decoration-from-font x:[text-underline-position:from-font]" href="./cli/configuration">Qwen Code Configuration</a> for more details.</p>
</li>
</ul>
</li>
<li class="x:my-[.5em]">
<p class="x:not-first:mt-[1.25em] x:leading-7"><strong>Q: Why don’t I see cached token counts in my stats output?</strong></p>
<ul class="x:[:is(ol,ul)_&amp;]:my-[.75em] x:not-first:mt-[1.25em] x:list-disc x:ms-[1.5em]">
<li class="x:my-[.5em]">A: Cached token information is only displayed when cached tokens are being used. This feature is available for API key users (Qwen API key or Google Cloud Vertex AI) but not for OAuth users (such as Google Personal/Enterprise accounts like Google Gmail or Google Workspace, respectively). This is because the Qwen Code Assist API does not support cached content creation. You can still view your total token usage using the <code class="nextra-code" dir="ltr">/stats</code> command.</li>
</ul>
</li>
</ul>
<h2 id="common-error-messages-and-solutions" class="x:tracking-tight x:text-slate-900 x:dark:text-slate-100 x:font-semibold x:target:animate-[fade-in_1.5s] x:mt-10 x:border-b x:pb-1 x:text-3xl nextra-border">Common error messages and solutions<a href="#common-error-messages-and-solutions" class="x:focus-visible:nextra-focus subheading-anchor" aria-label="Permalink for this section"></a></h2>
<ul class="x:[:is(ol,ul)_&amp;]:my-[.75em] x:not-first:mt-[1.25em] x:list-disc x:ms-[1.5em]">
<li class="x:my-[.5em]">
<p class="x:not-first:mt-[1.25em] x:leading-7"><strong>Error: <code class="nextra-code" dir="ltr">EADDRINUSE</code> (Address already in use) when starting an MCP server.</strong></p>
<ul class="x:[:is(ol,ul)_&amp;]:my-[.75em] x:not-first:mt-[1.25em] x:list-disc x:ms-[1.5em]">
<li class="x:my-[.5em]"><strong>Cause:</strong> Another process is already using the port that the MCP server is trying to bind to.</li>
<li class="x:my-[.5em]"><strong>Solution:</strong>
Either stop the other process that is using the port or configure the MCP server to use a different port.</li>
</ul>
</li>
<li class="x:my-[.5em]">
<p class="x:not-first:mt-[1.25em] x:leading-7"><strong>Error: Command not found (when attempting to run Qwen Code with <code class="nextra-code" dir="ltr">qwen</code>).</strong></p>
<ul class="x:[:is(ol,ul)_&amp;]:my-[.75em] x:not-first:mt-[1.25em] x:list-disc x:ms-[1.5em]">
<li class="x:my-[.5em]"><strong>Cause:</strong> The CLI is not correctly installed or it is not in your system’s <code class="nextra-code" dir="ltr">PATH</code>.</li>
<li class="x:my-[.5em]"><strong>Solution:</strong>
The update depends on how you installed Qwen Code:
<ul class="x:[:is(ol,ul)_&amp;]:my-[.75em] x:not-first:mt-[1.25em] x:list-disc x:ms-[1.5em]">
<li class="x:my-[.5em]">If you installed <code class="nextra-code" dir="ltr">qwen</code> globally, check that your <code class="nextra-code" dir="ltr">npm</code> global binary directory is in your <code class="nextra-code" dir="ltr">PATH</code>. You can update using the command <code class="nextra-code" dir="ltr">npm install -g @qwen-code/qwen-code@latest</code>.</li>
<li class="x:my-[.5em]">If you are running <code class="nextra-code" dir="ltr">qwen</code> from source, ensure you are using the correct command to invoke it (e.g., <code class="nextra-code" dir="ltr">node packages/cli/dist/index.js ...</code>). To update, pull the latest changes from the repository, and then rebuild using the command <code class="nextra-code" dir="ltr">npm run build</code>.</li>
</ul>
</li>
</ul>
</li>
<li class="x:my-[.5em]">
<p class="x:not-first:mt-[1.25em] x:leading-7"><strong>Error: <code class="nextra-code" dir="ltr">MODULE_NOT_FOUND</code> or import errors.</strong></p>
<ul class="x:[:is(ol,ul)_&amp;]:my-[.75em] x:not-first:mt-[1.25em] x:list-disc x:ms-[1.5em]">
<li class="x:my-[.5em]"><strong>Cause:</strong> Dependencies are not installed correctly, or the project hasn’t been built.</li>
<li class="x:my-[.5em]"><strong>Solution:</strong>
<ol class="x:[:is(ol,ul)_&amp;]:my-[.75em] x:not-first:mt-[1.25em] x:list-decimal x:ms-6">
<li class="x:my-[.5em]">Run <code class="nextra-code" dir="ltr">npm install</code> to ensure all dependencies are present.</li>
<li class="x:my-[.5em]">Run <code class="nextra-code" dir="ltr">npm run build</code> to compile the project.</li>
<li class="x:my-[.5em]">Verify that the build completed successfully with <code class="nextra-code" dir="ltr">npm run start</code>.</li>
</ol>
</li>
</ul>
</li>
<li class="x:my-[.5em]">
<p class="x:not-first:mt-[1.25em] x:leading-7"><strong>Error: “Operation not permitted”, “Permission denied”, or similar.</strong></p>
<ul class="x:[:is(ol,ul)_&amp;]:my-[.75em] x:not-first:mt-[1.25em] x:list-disc x:ms-[1.5em]">
<li class="x:my-[.5em]"><strong>Cause:</strong> When sandboxing is enabled, Qwen Code may attempt operations that are restricted by your sandbox configuration, such as writing outside the project directory or system temp directory.</li>
<li class="x:my-[.5em]"><strong>Solution:</strong> Refer to the <a class="x:focus-visible:nextra-focus x:text-primary-600 x:underline x:hover:no-underline x:decoration-from-font x:[text-underline-position:from-font]" href="./cli/configuration#sandboxing">Configuration: Sandboxing</a> documentation for more information, including how to customize your sandbox configuration.</li>
</ul>
</li>
<li class="x:my-[.5em]">
<p class="x:not-first:mt-[1.25em] x:leading-7"><strong>Qwen Code is not running in interactive mode in “CI” environments</strong></p>
<ul class="x:[:is(ol,ul)_&amp;]:my-[.75em] x:not-first:mt-[1.25em] x:list-disc x:ms-[1.5em]">
<li class="x:my-[.5em]"><strong>Issue:</strong> Qwen Code does not enter interactive mode (no prompt appears) if an environment variable starting with <code class="nextra-code" dir="ltr">CI_</code> (e.g., <code class="nextra-code" dir="ltr">CI_TOKEN</code>) is set. This is because the <code class="nextra-code" dir="ltr">is-in-ci</code> package, used by the underlying UI framework, detects these variables and assumes a non-interactive CI environment.</li>
<li class="x:my-[.5em]"><strong>Cause:</strong> The <code class="nextra-code" dir="ltr">is-in-ci</code> package checks for the presence of <code class="nextra-code" dir="ltr">CI</code>, <code class="nextra-code" dir="ltr">CONTINUOUS_INTEGRATION</code>, or any environment variable with a <code class="nextra-code" dir="ltr">CI_</code> prefix. When any of these are found, it signals that the environment is non-interactive, which prevents the CLI from starting in its interactive mode.</li>
<li class="x:my-[.5em]"><strong>Solution:</strong> If the <code class="nextra-code" dir="ltr">CI_</code> prefixed variable is not needed for the CLI to function, you can temporarily unset it for the command. e.g., <code class="nextra-code" dir="ltr">env -u CI_TOKEN qwen</code></li>
</ul>
</li>
<li class="x:my-[.5em]">
<p class="x:not-first:mt-[1.25em] x:leading-7"><strong>DEBUG mode not working from project .env file</strong></p>
<ul class="x:[:is(ol,ul)_&amp;]:my-[.75em] x:not-first:mt-[1.25em] x:list-disc x:ms-[1.5em]">
<li class="x:my-[.5em]"><strong>Issue:</strong> Setting <code class="nextra-code" dir="ltr">DEBUG=true</code> in a project’s <code class="nextra-code" dir="ltr">.env</code> file doesn’t enable debug mode for the CLI.</li>
<li class="x:my-[.5em]"><strong>Cause:</strong> The <code class="nextra-code" dir="ltr">DEBUG</code> and <code class="nextra-code" dir="ltr">DEBUG_MODE</code> variables are automatically excluded from project <code class="nextra-code" dir="ltr">.env</code> files to prevent interference with the CLI behavior.</li>
<li class="x:my-[.5em]"><strong>Solution:</strong> Use a <code class="nextra-code" dir="ltr">.qwen/.env</code> file instead, or configure the <code class="nextra-code" dir="ltr">excludedProjectEnvVars</code> setting in your <code class="nextra-code" dir="ltr">settings.json</code> to exclude fewer variables.</li>
</ul>
</li>
</ul>
<h2 id="ide-companion-not-connecting" class="x:tracking-tight x:text-slate-900 x:dark:text-slate-100 x:font-semibold x:target:animate-[fade-in_1.5s] x:mt-10 x:border-b x:pb-1 x:text-3xl nextra-border">IDE Companion not connecting<a href="#ide-companion-not-connecting" class="x:focus-visible:nextra-focus subheading-anchor" aria-label="Permalink for this section"></a></h2>
<ul class="x:[:is(ol,ul)_&amp;]:my-[.75em] x:not-first:mt-[1.25em] x:list-disc x:ms-[1.5em]">
<li class="x:my-[.5em]">Ensure VS Code has a single workspace folder open.</li>
<li class="x:my-[.5em]">Restart the integrated terminal after installing the extension so it inherits:
<ul class="x:[:is(ol,ul)_&amp;]:my-[.75em] x:not-first:mt-[1.25em] x:list-disc x:ms-[1.5em]">
<li class="x:my-[.5em]"><code class="nextra-code" dir="ltr">QWEN_CODE_IDE_WORKSPACE_PATH</code></li>
<li class="x:my-[.5em]"><code class="nextra-code" dir="ltr">QWEN_CODE_IDE_SERVER_PORT</code></li>
</ul>
</li>
<li class="x:my-[.5em]">If running in a container, verify <code class="nextra-code" dir="ltr">host.docker.internal</code> resolves. Otherwise, map the host appropriately.</li>
<li class="x:my-[.5em]">Reinstall the companion with <code class="nextra-code" dir="ltr">/ide install</code> and use “Qwen Code: Run” in the Command Palette to verify it launches.</li>
</ul>
<h2 id="debugging-tips" class="x:tracking-tight x:text-slate-900 x:dark:text-slate-100 x:font-semibold x:target:animate-[fade-in_1.5s] x:mt-10 x:border-b x:pb-1 x:text-3xl nextra-border">Debugging Tips<a href="#debugging-tips" class="x:focus-visible:nextra-focus subheading-anchor" aria-label="Permalink for this section"></a></h2>
<ul class="x:[:is(ol,ul)_&amp;]:my-[.75em] x:not-first:mt-[1.25em] x:list-disc x:ms-[1.5em]">
<li class="x:my-[.5em]">
<p class="x:not-first:mt-[1.25em] x:leading-7"><strong>CLI debugging:</strong></p>
<ul class="x:[:is(ol,ul)_&amp;]:my-[.75em] x:not-first:mt-[1.25em] x:list-disc x:ms-[1.5em]">
<li class="x:my-[.5em]">Use the <code class="nextra-code" dir="ltr">--verbose</code> flag (if available) with CLI commands for more detailed output.</li>
<li class="x:my-[.5em]">Check the CLI logs, often found in a user-specific configuration or cache directory.</li>
</ul>
</li>
<li class="x:my-[.5em]">
<p class="x:not-first:mt-[1.25em] x:leading-7"><strong>Core debugging:</strong></p>
<ul class="x:[:is(ol,ul)_&amp;]:my-[.75em] x:not-first:mt-[1.25em] x:list-disc x:ms-[1.5em]">
<li class="x:my-[.5em]">Check the server console output for error messages or stack traces.</li>
<li class="x:my-[.5em]">Increase log verbosity if configurable.</li>
<li class="x:my-[.5em]">Use Node.js debugging tools (e.g., <code class="nextra-code" dir="ltr">node --inspect</code>) if you need to step through server-side code.</li>
</ul>
</li>
<li class="x:my-[.5em]">
<p class="x:not-first:mt-[1.25em] x:leading-7"><strong>Tool issues:</strong></p>
<ul class="x:[:is(ol,ul)_&amp;]:my-[.75em] x:not-first:mt-[1.25em] x:list-disc x:ms-[1.5em]">
<li class="x:my-[.5em]">If a specific tool is failing, try to isolate the issue by running the simplest possible version of the command or operation the tool performs.</li>
<li class="x:my-[.5em]">For <code class="nextra-code" dir="ltr">run_shell_command</code>, check that the command works directly in your shell first.</li>
<li class="x:my-[.5em]">For <em>file system tools</em>, verify that paths are correct and check the permissions.</li>
</ul>
</li>
<li class="x:my-[.5em]">
<p class="x:not-first:mt-[1.25em] x:leading-7"><strong>Pre-flight checks:</strong></p>
<ul class="x:[:is(ol,ul)_&amp;]:my-[.75em] x:not-first:mt-[1.25em] x:list-disc x:ms-[1.5em]">
<li class="x:my-[.5em]">Always run <code class="nextra-code" dir="ltr">npm run preflight</code> before committing code. This can catch many common issues related to formatting, linting, and type errors.</li>
</ul>
</li>
</ul>
<h2 id="existing-github-issues-similar-to-yours-or-creating-new-issues" class="x:tracking-tight x:text-slate-900 x:dark:text-slate-100 x:font-semibold x:target:animate-[fade-in_1.5s] x:mt-10 x:border-b x:pb-1 x:text-3xl nextra-border">Existing GitHub Issues similar to yours or creating new Issues<a href="#existing-github-issues-similar-to-yours-or-creating-new-issues" class="x:focus-visible:nextra-focus subheading-anchor" aria-label="Permalink for this section"></a></h2>
<p class="x:not-first:mt-[1.25em] x:leading-7">If you encounter an issue that was not covered here in this <em>Troubleshooting guide</em>, consider searching the Qwen Code <a href="https://github.com/QwenLM/qwen-code/issues" target="_blank" rel="noreferrer" class="x:focus-visible:nextra-focus x:text-primary-600 x:underline x:hover:no-underline x:decoration-from-font x:[text-underline-position:from-font]">Issue tracker on GitHub<!-- --> <svg fill="none" stroke="currentColor" stroke-linecap="round" stroke-linejoin="round" stroke-width="1.7" viewBox="0 0 24 24" height="1em" class="x:inline x:align-baseline x:shrink-0"><path d="M7 17L17 7"></path><path d="M7 7h10v10"></path></svg></a>. If you can’t find an issue similar to yours, consider creating a new GitHub Issue with a detailed description. Pull requests are also welcome!</p></main><div class="x:mt-12 x:mb-8 x:text-xs x:text-gray-600 x:text-end x:dark:text-gray-400">Last updated on<!-- --> <time dateTime="2026-09-17T17:32:34.000Z">September 17, 2026</time></div><div class="x:mb-8 x:flex x:items-center x:border-t x:pt-8 nextra-border x:print:hidden"><a title="Automation Handling" class="x:focus-visible:nextra-focus x:text-gray-600 x:dark:text-gray-400 x:hover:text-gray-800 x:dark:hover:text-gray-200 x:contrast-more:text-gray-700 x:contrast-more:dark:text-gray-100 x:flex x:max-w-[50%] x:items-center x:gap-1 x:py-4 x:text-base x:font-medium x:transition-colors x:[word-break:break-word] x:md:text-lg x:pe-4" href="/qwen-code-docs/en/issue-and-pr-automation/"><svg viewBox="0 0 24 24" stroke="currentColor" fill="none" stroke-width="2" height="20" class="x:inline x:shrink-0 x:ltr:rotate-180"><path d="M9 5l7 7-7 7" stroke-linecap="round" stroke-linejoin="round"></path></svg>Automation Handling</a><a title="Terms of Service &amp; 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x:ms-[1.5em]\",\"children\":[\"\\n\",[\"$\",\"li\",null,{\"className\":\"x:my-[.5em]\",\"children\":[[\"$\",\"strong\",null,{\"children\":\"Cause:\"}],\" You may be on a corporate network with a firewall that intercepts and inspects SSL/TLS traffic. This often requires a custom root CA certificate to be trusted by Node.js.\"]}],\"\\n\",[\"$\",\"li\",null,{\"className\":\"x:my-[.5em]\",\"children\":[[\"$\",\"strong\",null,{\"children\":\"Solution:\"}],\" Set the \",[\"$\",\"code\",null,{\"className\":\"nextra-code\",\"dir\":\"ltr\",\"children\":\"NODE_EXTRA_CA_CERTS\"}],\" environment variable to the absolute path of your corporate root CA certificate file.\\n\",[\"$\",\"ul\",null,{\"className\":\"x:[:is(ol,ul)_\u0026]:my-[.75em] x:not-first:mt-[1.25em] x:list-disc x:ms-[1.5em]\",\"children\":[\"\\n\",[\"$\",\"li\",null,{\"className\":\"x:my-[.5em]\",\"children\":[\"Example: \",[\"$\",\"code\",null,{\"className\":\"nextra-code\",\"dir\":\"ltr\",\"children\":\"export NODE_EXTRA_CA_CERTS=/path/to/your/corporate-ca.crt\"}]]}],\"\\n\"]}],\"\\n\"]}],\"\\n\"]}],\"\\n\"]}],\"\\n\"]}],\"\\n\",[\"$\",\"h2\",null,{\"id\":\"frequently-asked-questions-faqs\",\"className\":\"x:tracking-tight x:text-slate-900 x:dark:text-slate-100 x:font-semibold x:target:animate-[fade-in_1.5s] x:mt-10 x:border-b x:pb-1 x:text-3xl nextra-border\",\"children\":[\"Frequently asked questions (FAQs)\",[\"$\",\"$L1d\",null,{\"id\":\"frequently-asked-questions-faqs\"}]]}],\"\\n\",[\"$\",\"ul\",null,{\"className\":\"x:[:is(ol,ul)_\u0026]:my-[.75em] x:not-first:mt-[1.25em] x:list-disc x:ms-[1.5em]\",\"children\":[\"\\n\",[\"$\",\"li\",null,{\"className\":\"x:my-[.5em]\",\"children\":[\"\\n\",[\"$\",\"p\",null,{\"className\":\"x:not-first:mt-[1.25em] x:leading-7\",\"children\":[\"$\",\"strong\",null,{\"children\":\"Q: How do I update Qwen Code to the latest version?\"}]}],\"\\n\",[\"$\",\"ul\",null,{\"className\":\"x:[:is(ol,ul)_\u0026]:my-[.75em] x:not-first:mt-[1.25em] x:list-disc x:ms-[1.5em]\",\"children\":[\"\\n\",[\"$\",\"li\",null,{\"className\":\"x:my-[.5em]\",\"children\":[\"A: If you installed it globally via \",[\"$\",\"code\",null,{\"className\":\"nextra-code\",\"dir\":\"ltr\",\"children\":\"npm\"}],\", update it using the command \",[\"$\",\"code\",null,{\"className\":\"nextra-code\",\"dir\":\"ltr\",\"children\":\"npm install -g @qwen-code/qwen-code@latest\"}],\". If you compiled it from source, pull the latest changes from the repository, and then rebuild using the command \",[\"$\",\"code\",null,{\"className\":\"nextra-code\",\"dir\":\"ltr\",\"children\":\"npm run build\"}],\".\"]}],\"\\n\"]}],\"\\n\"]}],\"\\n\",[\"$\",\"li\",null,{\"className\":\"x:my-[.5em]\",\"children\":[\"\\n\",[\"$\",\"p\",null,{\"className\":\"x:not-first:mt-[1.25em] x:leading-7\",\"children\":[\"$\",\"strong\",null,{\"children\":\"Q: Where are the Qwen Code configuration or settings files stored?\"}]}],\"\\n\",[\"$\",\"ul\",null,{\"className\":\"x:[:is(ol,ul)_\u0026]:my-[.75em] x:not-first:mt-[1.25em] x:list-disc x:ms-[1.5em]\",\"children\":[\"\\n\",[\"$\",\"li\",null,{\"className\":\"x:my-[.5em]\",\"children\":[\"\\n\",[\"$\",\"p\",null,{\"className\":\"x:not-first:mt-[1.25em] x:leading-7\",\"children\":[\"A: The Qwen Code configuration is stored in two \",[\"$\",\"code\",null,{\"className\":\"nextra-code\",\"dir\":\"ltr\",\"children\":\"settings.json\"}],\" files:\"]}],\"\\n\",[\"$\",\"ol\",null,{\"className\":\"x:[:is(ol,ul)_\u0026]:my-[.75em] x:not-first:mt-[1.25em] x:list-decimal x:ms-6\",\"children\":[\"\\n\",[\"$\",\"li\",null,{\"className\":\"x:my-[.5em]\",\"children\":[\"In your home directory: \",[\"$\",\"code\",null,{\"className\":\"nextra-code\",\"dir\":\"ltr\",\"children\":\"~/.qwen/settings.json\"}],\".\"]}],\"\\n\",[\"$\",\"li\",null,{\"className\":\"x:my-[.5em]\",\"children\":[\"In your project’s root directory: \",[\"$\",\"code\",null,{\"className\":\"nextra-code\",\"dir\":\"ltr\",\"children\":\"./.qwen/settings.json\"}],\".\"]}],\"\\n\"]}],\"\\n\",[\"$\",\"p\",null,{\"className\":\"x:not-first:mt-[1.25em] x:leading-7\",\"children\":[\"Refer to \",[\"$\",\"$L15\",null,{\"href\":\"./cli/configuration\",\"prefetch\":\"$undefined\",\"className\":\"x:focus-visible:nextra-focus x:text-primary-600 x:underline x:hover:no-underline x:decoration-from-font x:[text-underline-position:from-font]\",\"children\":\"Qwen Code Configuration\"}],\" for more details.\"]}],\"\\n\"]}],\"\\n\"]}],\"\\n\"]}],\"\\n\",[\"$\",\"li\",null,{\"className\":\"x:my-[.5em]\",\"children\":[\"\\n\",[\"$\",\"p\",null,{\"className\":\"x:not-first:mt-[1.25em] x:leading-7\",\"children\":[\"$\",\"strong\",null,{\"children\":\"Q: Why don’t I see cached token counts in my stats output?\"}]}],\"\\n\",[\"$\",\"ul\",null,{\"className\":\"x:[:is(ol,ul)_\u0026]:my-[.75em] x:not-first:mt-[1.25em] x:list-disc x:ms-[1.5em]\",\"children\":[\"\\n\",[\"$\",\"li\",null,{\"className\":\"x:my-[.5em]\",\"children\":[\"A: Cached token information is only displayed when cached tokens are being used. This feature is available for API key users (Qwen API key or Google Cloud Vertex AI) but not for OAuth users (such as Google Personal/Enterprise accounts like Google Gmail or Google Workspace, respectively). This is because the Qwen Code Assist API does not support cached content creation. You can still view your total token usage using the \",[\"$\",\"code\",null,{\"className\":\"nextra-code\",\"dir\":\"ltr\",\"children\":\"/stats\"}],\" command.\"]}],\"\\n\"]}],\"\\n\"]}],\"\\n\"]}],\"\\n\",[\"$\",\"h2\",null,{\"id\":\"common-error-messages-and-solutions\",\"className\":\"x:tracking-tight x:text-slate-900 x:dark:text-slate-100 x:font-semibold x:target:animate-[fade-in_1.5s] x:mt-10 x:border-b x:pb-1 x:text-3xl nextra-border\",\"children\":[\"Common error messages and solutions\",[\"$\",\"$L1d\",null,{\"id\":\"common-error-messages-and-solutions\"}]]}],\"\\n\",[\"$\",\"ul\",null,{\"className\":\"x:[:is(ol,ul)_\u0026]:my-[.75em] x:not-first:mt-[1.25em] x:list-disc x:ms-[1.5em]\",\"children\":[\"\\n\",[\"$\",\"li\",null,{\"className\":\"x:my-[.5em]\",\"children\":[\"\\n\",[\"$\",\"p\",null,{\"className\":\"x:not-first:mt-[1.25em] x:leading-7\",\"children\":[\"$\",\"strong\",null,{\"children\":[\"Error: \",[\"$\",\"code\",null,{\"className\":\"nextra-code\",\"dir\":\"ltr\",\"children\":\"EADDRINUSE\"}],\" (Address already in use) when starting an MCP server.\"]}]}],\"\\n\",[\"$\",\"ul\",null,{\"className\":\"x:[:is(ol,ul)_\u0026]:my-[.75em] x:not-first:mt-[1.25em] x:list-disc x:ms-[1.5em]\",\"children\":[\"\\n\",[\"$\",\"li\",null,{\"className\":\"x:my-[.5em]\",\"children\":[[\"$\",\"strong\",null,{\"children\":\"Cause:\"}],\" Another process is already using the port that the MCP server is trying to bind to.\"]}],\"\\n\",[\"$\",\"li\",null,{\"className\":\"x:my-[.5em]\",\"children\":[[\"$\",\"strong\",null,{\"children\":\"Solution:\"}],\"\\nEither stop the other process that is using the port or configure the MCP server to use a different port.\"]}],\"\\n\"]}],\"\\n\"]}],\"\\n\",[\"$\",\"li\",null,{\"className\":\"x:my-[.5em]\",\"children\":[\"\\n\",[\"$\",\"p\",null,{\"className\":\"x:not-first:mt-[1.25em] x:leading-7\",\"children\":[\"$\",\"strong\",null,{\"children\":[\"Error: Command not found (when attempting to run Qwen Code with \",[\"$\",\"code\",null,{\"className\":\"nextra-code\",\"dir\":\"ltr\",\"children\":\"qwen\"}],\").\"]}]}],\"\\n\",[\"$\",\"ul\",null,{\"className\":\"x:[:is(ol,ul)_\u0026]:my-[.75em] x:not-first:mt-[1.25em] x:list-disc x:ms-[1.5em]\",\"children\":[\"\\n\",[\"$\",\"li\",null,{\"className\":\"x:my-[.5em]\",\"children\":[[\"$\",\"strong\",null,{\"children\":\"Cause:\"}],\" The CLI is not correctly installed or it is not in your system’s \",[\"$\",\"code\",null,{\"className\":\"nextra-code\",\"dir\":\"ltr\",\"children\":\"PATH\"}],\".\"]}],\"\\n\",[\"$\",\"li\",null,{\"className\":\"x:my-[.5em]\",\"children\":[[\"$\",\"strong\",null,{\"children\":\"Solution:\"}],\"\\nThe update depends on how you installed Qwen Code:\\n\",[\"$\",\"ul\",null,{\"className\":\"x:[:is(ol,ul)_\u0026]:my-[.75em] x:not-first:mt-[1.25em] x:list-disc x:ms-[1.5em]\",\"children\":[\"\\n\",[\"$\",\"li\",null,{\"className\":\"x:my-[.5em]\",\"children\":[\"If you installed \",[\"$\",\"code\",null,{\"className\":\"nextra-code\",\"dir\":\"ltr\",\"children\":\"qwen\"}],\" globally, check that your \",[\"$\",\"code\",null,{\"className\":\"nextra-code\",\"dir\":\"ltr\",\"children\":\"npm\"}],\" global binary directory is in your \",[\"$\",\"code\",null,{\"className\":\"nextra-code\",\"dir\":\"ltr\",\"children\":\"PATH\"}],\". You can update using the command \",[\"$\",\"code\",null,{\"className\":\"nextra-code\",\"dir\":\"ltr\",\"children\":\"npm install -g @qwen-code/qwen-code@latest\"}],\".\"]}],\"\\n\",[\"$\",\"li\",null,{\"className\":\"x:my-[.5em]\",\"children\":[\"If you are running \",[\"$\",\"code\",null,{\"className\":\"nextra-code\",\"dir\":\"ltr\",\"children\":\"qwen\"}],\" from source, ensure you are using the correct command to invoke it (e.g., \",[\"$\",\"code\",null,{\"className\":\"nextra-code\",\"dir\":\"ltr\",\"children\":\"node packages/cli/dist/index.js ...\"}],\"). To update, pull the latest changes from the repository, and then rebuild using the command \",[\"$\",\"code\",null,{\"className\":\"nextra-code\",\"dir\":\"ltr\",\"children\":\"npm run build\"}],\".\"]}],\"\\n\"]}],\"\\n\"]}],\"\\n\"]}],\"\\n\"]}],\"\\n\",[\"$\",\"li\",null,{\"className\":\"x:my-[.5em]\",\"children\":[\"\\n\",[\"$\",\"p\",null,{\"className\":\"x:not-first:mt-[1.25em] x:leading-7\",\"children\":[\"$\",\"strong\",null,{\"children\":[\"Error: \",[\"$\",\"code\",null,{\"className\":\"nextra-code\",\"dir\":\"ltr\",\"children\":\"MODULE_NOT_FOUND\"}],\" or import errors.\"]}]}],\"\\n\",[\"$\",\"ul\",null,{\"className\":\"x:[:is(ol,ul)_\u0026]:my-[.75em] x:not-first:mt-[1.25em] x:list-disc x:ms-[1.5em]\",\"children\":[\"\\n\",[\"$\",\"li\",null,{\"className\":\"x:my-[.5em]\",\"children\":[[\"$\",\"strong\",null,{\"children\":\"Cause:\"}],\" Dependencies are not installed correctly, or the project hasn’t been built.\"]}],\"\\n\",[\"$\",\"li\",null,{\"className\":\"x:my-[.5em]\",\"children\":[[\"$\",\"strong\",null,{\"children\":\"Solution:\"}],\"\\n\",[\"$\",\"ol\",null,{\"className\":\"x:[:is(ol,ul)_\u0026]:my-[.75em] x:not-first:mt-[1.25em] x:list-decimal x:ms-6\",\"children\":[\"\\n\",[\"$\",\"li\",null,{\"className\":\"x:my-[.5em]\",\"children\":[\"Run \",[\"$\",\"code\",null,{\"className\":\"nextra-code\",\"dir\":\"ltr\",\"children\":\"npm install\"}],\" to ensure all dependencies are present.\"]}],\"\\n\",[\"$\",\"li\",null,{\"className\":\"x:my-[.5em]\",\"children\":[\"Run \",[\"$\",\"code\",null,{\"className\":\"nextra-code\",\"dir\":\"ltr\",\"children\":\"npm run build\"}],\" to compile the project.\"]}],\"\\n\",[\"$\",\"li\",null,{\"className\":\"x:my-[.5em]\",\"children\":[\"Verify that the build completed successfully with \",[\"$\",\"code\",null,{\"className\":\"nextra-code\",\"dir\":\"ltr\",\"children\":\"npm run start\"}],\".\"]}],\"\\n\"]}],\"\\n\"]}],\"\\n\"]}],\"\\n\"]}],\"\\n\",[\"$\",\"li\",null,{\"className\":\"x:my-[.5em]\",\"children\":[\"\\n\",[\"$\",\"p\",null,{\"className\":\"x:not-first:mt-[1.25em] x:leading-7\",\"children\":[\"$\",\"strong\",null,{\"children\":\"Error: “Operation not permitted”, “Permission denied”, or similar.\"}]}],\"\\n\",[\"$\",\"ul\",null,{\"className\":\"x:[:is(ol,ul)_\u0026]:my-[.75em] x:not-first:mt-[1.25em] x:list-disc x:ms-[1.5em]\",\"children\":[\"\\n\",[\"$\",\"li\",null,{\"className\":\"x:my-[.5em]\",\"children\":[[\"$\",\"strong\",null,{\"children\":\"Cause:\"}],\" When sandboxing is enabled, Qwen Code may attempt operations that are restricted by your sandbox configuration, such as writing outside the project directory or system temp directory.\"]}],\"\\n\",[\"$\",\"li\",null,{\"className\":\"x:my-[.5em]\",\"children\":[[\"$\",\"strong\",null,{\"children\":\"Solution:\"}],\" Refer to the \",[\"$\",\"$L15\",null,{\"href\":\"./cli/configuration#sandboxing\",\"prefetch\":\"$undefined\",\"className\":\"x:focus-visible:nextra-focus x:text-primary-600 x:underline x:hover:no-underline x:decoration-from-font x:[text-underline-position:from-font]\",\"children\":\"Configuration: Sandboxing\"}],\" documentation for more information, including how to customize your sandbox configuration.\"]}],\"\\n\"]}],\"\\n\"]}],\"\\n\",[\"$\",\"li\",null,{\"className\":\"x:my-[.5em]\",\"children\":[\"\\n\",[\"$\",\"p\",null,{\"className\":\"x:not-first:mt-[1.25em] x:leading-7\",\"children\":[\"$\",\"strong\",null,{\"children\":\"Qwen Code is not running in interactive mode in “CI” environments\"}]}],\"\\n\",[\"$\",\"ul\",null,{\"className\":\"x:[:is(ol,ul)_\u0026]:my-[.75em] x:not-first:mt-[1.25em] x:list-disc x:ms-[1.5em]\",\"children\":[\"\\n\",[\"$\",\"li\",null,{\"className\":\"x:my-[.5em]\",\"children\":[[\"$\",\"strong\",null,{\"children\":\"Issue:\"}],\" Qwen Code does not enter interactive mode (no prompt appears) if an environment variable starting with \",[\"$\",\"code\",null,{\"className\":\"nextra-code\",\"dir\":\"ltr\",\"children\":\"CI_\"}],\" (e.g., \",[\"$\",\"code\",null,{\"className\":\"nextra-code\",\"dir\":\"ltr\",\"children\":\"CI_TOKEN\"}],\") is set. 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