[Bug]: Cannot Start Crawl4AI In Docker When Using N8n Workflow
Overview
Crawl4AI is a powerful web scraping tool that allows users to extract data from websites. However, when trying to start Crawl4AI in Docker using an n8n workflow, users may encounter an error that prevents the tool from launching. This article will explore the issue and provide a solution to get Crawl4AI up and running in Docker.
Expected Behavior
Normal startup of Crawl4AI in Docker using an n8n workflow.
Current Behavior
When trying to start Crawl4AI in Docker using an n8n workflow, the tool fails to launch, and the following error message is displayed:
BrowserContext.new_page: Target page, context or browser has been closed
Browser logs:
<launching> /root/.cache/ms-playwright/chromium-1134/chrome-linux/chrome --disable-field-trial-config --disable-background-networking --disable-background-timer-throttling --disable-backgrounding-occluded-windows --disable-back-forward-cache --disable-breakpad --disable-client-side-phishing-detection --disable-component-extensions-with-background-pages --disable-component-update --no-default-browser-check --disable-default-apps --disable-dev-shm-usage --disable-extensions --disable-features=ImprovedCookieControls,LazyFrameLoading,GlobalMediaControls,DestroyProfileOnBrowserClose,MediaRouter,DialMediaRouteProvider,AcceptCHFrame,AutoExpandDetailsElement,CertificateTransparencyComponentUpdater,AvoidUnnecessaryBeforeUnloadCheckSync,Translate,HttpsUpgrades,PaintHolding,PlzDedicatedWorker --allow-pre-commit-input --disable-hang-monitor --disable-ipc-flooding-protection --disable-popup-blocking --disable-prompt-on-repost --disable-renderer-backgrounding --force-color-profile=srgb --metrics-recording-only --no-first-run --enable-automation --password-store=basic --use-mock-keychain --no-service-autorun --export-tagged-pdf --disable-search-engine-choice-screen --unsafely-disable-devtools-self-xss-warnings --headless=old --hide-scrollbars --mute-audio --blink-settings=primaryHoverType=2,availableHoverTypes=2,primaryPointerType=4,availablePointerTypes=4 --no-sandbox --no-sandbox --disable-dev-shm-usage --no-first-run --no-default-browser-check --disable-infobars --window-position=0,0 --ignore-certificate-errors --ignore-certificate-errors-spki-list --user-data-dir=/tmp/playwright_chromiumdev_profile-R3mcA4 --remote-debugging-pipe --no-startup-window
<launched> pid=249
[pid=249][err] Old Headless mode will be removed from the Chrome binary soon. Please use the new Headless mode (https://developer.chrome.com/docs/chromium/new-headless) or the chrome-headless-shell which is a standalone implementation of the old Headless mode (https://developer.chrome.com/blog/chrome-headless-shell).
[pid=249][err]
[pid=249][err] [0422/093044.027181:FATAL:zygote_main_linux.cc(145)] Check failed: sandbox::ThreadHelpers::IsSingleThreaded().
[pid=249][err] #0 0x7f0dc605990 base::debug::CollectStackTrace()
[pid=249][err] #1 0x7f0dc6ef44d4 base::debug::StackTrace::StackTrace()
[pid=249][err] #2 0x7f0dc6e50268 logging::LogMessage::Flush()
[pid=249][err] #3 0x7f0dc6e5016c logging::LogMessage::~LogMessage()
[pid=249][err] #4 0x7f0dc6e39dec logging::(anonymous namespace)::CheckLogMessage::~CheckLogMessage()
[pid=249][err] #5 0x7f0dc6e39e4c logging::(anonymous namespace)::CheckLogMessage::~CheckLogMessage()
[pid=249][err] #6 0x7f0dc6e39be0 logging::CheckError::~CheckError()
[pid=249][err] #7 0x7f0dc63bf79c content::ZygoteMain()
[pid=249][err] #8 0x7f0dc63b8eac content::RunZygote()
[pid=249][err] #9 0x7f0dc63b9bd0 content::RunOtherNamedProcessTypeMain()
[pid=249][err] #10 0x7f0dc63baa38 content::ContentMainRunnerImpl::Run()
[pid=249][err] #11 0x7f0dc63b8580 content::RunContentProcess()
[pid=249][err] #12 0x7f0dc63b8a3c content::ContentMain()
[pid=249][err] #13 0x7f0dc6954b48 headless::HeadlessShellMain()
[pid=249][err] #14 0x7f0dc263c47c ChromeMain
[pid=249][err] #15 0x400001987740 (/usr/lib/aarch64-linux-gnu/libc.so.6+0x2773f)
[pid=249][err] #16 0x400001987818 __libc_start_main
[pid=249][err] #17 0x7f0dc263c034 (/root/.cache/ms-playwright/chromium-1134/chrome-linux/chrome+0x463c033)
[pid=249][err]
[pid=249][err] qemu: uncaught target signal 5 (Trace/breakpoint trap) - core dumped
[pid=249][err] [0422/093044.034326:FATAL:zygote_main_linux.cc(145)] Check failed: sandbox::ThreadHelpers::IsSingleThreaded().
[pid=249][err] #0 0x7fbd9ef05990 base::debug::CollectStackTrace()
[pid=249][err] #1 0x7fbd9eef44d4 base::debug::StackTrace::StackTrace()
[pid=249][err] #2 0x7fbd9ee50268 logging::LogMessage::Flush()
[pid=249][err] #3 0x7fbd9ee5016c logging::LogMessage::~LogMessage()
[pid=249][err] #4 0x7fbd9ee39dec logging::(anonymous namespace)::CheckLogMessage::~CheckLogMessage()
[pid=249][err] #5 0x7fbd9ee39e4c logging::(anonymous namespace)::CheckLogMessage::~LogMessage()
[pid=249][err] #6 0x7fbd9ee39be0 logging::CheckError::~CheckError()
[pid=249][err] #7 0x7fbd9e3bf79c content::ZygoteMain()
[pid=249][err] #8 0x7fbd9e3b8eac content::RunZygote()
[pid=249][err] #9 0x7fbd9e3b9bd0 content::RunOtherNamedProcessTypeMain()
[pid=249][err] #10 0x7fbd9e3baa38 content::ContentMainRunnerImpl::Run()
[pid=249][err] #11 0x7fbd9e3b8580 content::RunContentProcess()
[pid=249][err] #12 0x7fbd9e3b8a3c content::ContentMain()
[pid=249][err] #13 0x7fbd9e954b48 headless::HeadlessShellMain()
[pid=249][err] #14 0x7fbd9a63c47c ChromeMain
[pid=249][err] #15 0x400001987740 (/usr/lib/aarch64-linux-gnu/libc.so.6+0x2773f)
[pid=249][err] #16 0x400001987818 __libc_start_main
[pid=249][err] #17 0x7fbd9a63c034 (/root/.cache/ms-playwright/chromium-1134/chrome-linux/chrome+0x463c033)
[pid=249][err]
[pid=249][err] qemu: uncaught target signal 5 (Trace/breakpoint trap) - core dumped
[pid=249][err] [0422/093045.034025:ERROR:bus.cc(407)] Failed to connect to the bus: Failed to connect to socket /run/dbus/system_bus_socket: No such file or directory
[pid=249][err] [0422/093045.105224:ERROR:bus.cc(407)] Failed to connect to the bus: Failed to connect to socket /run/dbus/system_bus_socket: No such file or directory
[pid=249][err] [0422/093045.111053:ERROR:bus.cc(407)] Failed to connect to the bus: Failed to connect to socket /run/dbus/system_bus_socket: No such file or directory
[pid=249][err] [0422/093045.840975:WARNING:bluez_dbus_manager.cc(234)] Floss manager service not available, cannot set Floss enable/disable.
[pid=<br/>
**Q&A: Cannot start Crawl4AI in Docker when using n8n workflow**
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**Q: What is the expected behavior of Crawl4AI in Docker when using an n8n workflow?**
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A: The expected behavior is a normal startup of Crawl4AI in Docker using an n8n workflow.
**Q: What is the current behavior of Crawl4AI in Docker when using an n8n workflow?**
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A: The current behavior is that Crawl4AI fails to launch, and the following error message is displayed:
BrowserContext.new_page: Target page, context or browser has been closed
Browser logs: