https://errorvault.dev/tags/isolation/Recent content in Isolation on ErrorVault — Developer Error Code DictionaryHugoen-usWed, 15 Apr 2026 02:24:49 +0800https://errorvault.dev/openclaw/openclaw-clw-sandbox-unreachable-sandbox-unreachable/Wed, 15 Apr 2026 02:24:49 +0800https://errorvault.dev/openclaw/openclaw-clw-sandbox-unreachable-sandbox-unreachable/<h1 id="fix-clw-sandbox-unreachable-openclaw-sandbox-unreachable-during-runtime-execution">Fix clw-sandbox-unreachable: OpenClaw sandbox unreachable during runtime execution</h1> <h2 id="1-symptoms">1. Symptoms</h2> <p>The <code>clw-sandbox-unreachable</code> error manifests when OpenClaw&rsquo;s sandboxed execution environment becomes unresponsive. This typically occurs during Claw application runtime, where the sandbox process (often a containerized or namespaced isolate) fails to respond to health checks or API calls.</p> <p>Common symptoms include:</p> <ul> <li>Runtime halts with a timeout after initiating sandbox execution.</li> <li>Logs show repeated connection attempts to the sandbox endpoint.</li> <li>Parent process (e.g., <code>clw run</code>) hangs indefinitely or reports PID unreachability.</li> </ul> <div class="highlight"><pre tabindex="0" style="color:#f8f8f2;background-color:#282a36;-moz-tab-size:4;-o-tab-size:4;tab-size:4;"><code class="language-fallback" data-lang="fallback"><span style="display:flex;"><span> </span></span><span style="display:flex;"><span>$ clw run --sandbox app.clw </span></span><span style="display:flex;"><span>[INFO] Initializing sandbox isolate... </span></span><span style="display:flex;"><span>[INFO] Sandbox PID: 12345 </span></span><span style="display:flex;"><span>[ERROR] clw-sandbox-unreachable: Sandbox at unix:///tmp/clw-sandbox-12345.sock is unreachable after 30s heartbeat timeout. </span></span><span style="display:flex;"><span>[ERROR] Health check failed: connect(econnrefused) </span></span><span style="display:flex;"><span>[FATAL] Execution aborted. Sandbox process unresponsive. </span></span></code></pre></div><p>In verbose mode (<code>clw run -v</code>), additional details emerge:</p>