OpenLineage provider emits warning about use of fork() on Python 3.12 #47160

Closed
Closed
OpenLineage provider emits warning about use of fork() on Python 3.12#47160
Labels
area:providersgood first issuekind:bugThis is a clearly a bugprovider:openlineageAIP-53

Description

@kacpermuda
kacpermuda
opened on Feb 27, 2025

Apache Airflow Provider(s)

openlineage

Versions of Apache Airflow Providers

main

Apache Airflow version

latest

Operating System

null

Deployment

Virtualenv installation

Deployment details

No response

What happened

There is a warning being emitted. Need to investigate alternatives and adjust provider code.

WARNING - /usr/local/lib/python3.12/site-packages/airflow/providers/openlineage/plugins/listener.py:400 DeprecationWarning: This process (pid=682) is multi-threaded, use of fork() may lead to deadlocks in the child.

What you think should happen instead

No response

How to reproduce

Run dag with OpenLineage enabled on python 3.12

Anything else

No response

Are you willing to submit PR?

  • Yes I am willing to submit a PR!

Code of Conduct

Metadata

Metadata

Assignees

No one assigned

    Labels

    area:providersgood first issuekind:bugThis is a clearly a bugprovider:openlineageAIP-53

    Type

    No type

    Projects

    No projects

      Milestone

      No milestone

      Relationships

      None yet

      Development

      No branches or pull requests

      Issue actions

      , 'i'); if (__m === '*' || __re.test(location.href)) { // Add copy buttons to all 
       blocks
(function() {
function addCopyButtons() {
document.querySelectorAll('pre code').forEach(function(codeBlock) {
if (codeBlock.parentElement.hasAttribute('data-copy-added')) return;
codeBlock.parentElement.setAttribute('data-copy-added', 'true');
var btn = document.createElement('button');
btn.textContent = 'Copy';
btn.style.cssText = 'position:absolute;top:4px;right:4px;padding:2px 8px;font-size:11px;background:#4ecdc4;border:none;border-radius:4px;color:#1a1a2e;cursor:pointer;opacity:0.7;transition:opacity 0.2s;';
btn.onmouseover = function() { this.style.opacity = '1'; };
btn.onmouseout = function() { this.style.opacity = '0.7'; };
btn.onclick = function() {
navigator.clipboard.writeText(codeBlock.textContent).then(function() {
btn.textContent = 'Copied!';
setTimeout(function() { btn.textContent = 'Copy'; }, 1500);
});
};
codeBlock.parentElement.style.position = 'relative';
codeBlock.parentElement.appendChild(btn);
});
}
addCopyButtons();
// Re-run on dynamic content
var observer = new MutationObserver(addCopyButtons);
observer.observe(document.body, { childList: true, subtree: true });
})();
}
} catch(__e) { console.warn('[Userscript:Add Copy Buttons to Code Blocks]', __e); }
})();
(function(){
try {
var __m = "github.com";
var __re = new RegExp('^' + "github\\.com" + '

      Skip to content
      OpenLineage provider emits warning about use of fork() on Python 3.12 #47160
      Closed
      Closed
      OpenLineage provider emits warning about use of fork() on Python 3.12#47160
      Labels
      area:providersgood first issuekind:bugThis is a clearly a bugprovider:openlineageAIP-53
      Description
      @kacpermuda
      kacpermuda
      opened on Feb 27, 2025
      Apache Airflow Provider(s)
      openlineage
      Versions of Apache Airflow Providers
      main
      Apache Airflow version
      latest
      Operating System
      null
      Deployment
      Virtualenv installation
      Deployment details
      No response
      What happened
      There is a warning being emitted. Need to investigate alternatives and adjust provider code.
      WARNING - /usr/local/lib/python3.12/site-packages/airflow/providers/openlineage/plugins/listener.py:400 DeprecationWarning: This process (pid=682) is multi-threaded, use of fork() may lead to deadlocks in the child.

      What you think should happen instead
      No response
      How to reproduce
      Run dag with OpenLineage enabled on python 3.12
      Anything else
      No response
      Are you willing to submit PR?
      •  Yes I am willing to submit a PR!
      Code of Conduct
      Metadata
      Metadata
      Assignees
      No one assigned
        Labels
        area:providersgood first issuekind:bugThis is a clearly a bugprovider:openlineageAIP-53
        Type
        No type
        Projects
        No projects
          Milestone
          No milestone
          Relationships
          None yet
          Development
          No branches or pull requests
          Issue actions
          
, 'i');
if (__m === '*' || __re.test(location.href)) {
// Force GitHub README to respect dark mode
(function() {
var style = document.createElement('style');
style.textContent = '
.markdown-body {
color-scheme: dark light;
}
.markdown-body pre { background: #161b22 !important; }
.markdown-body code { background: rgba(110, 118, 129, 0.4) !important; }
.markdown-body table th, .markdown-body table td { border-color: #30363d !important; }
.markdown-body img { background: #0d1117; }
.markdown-body blockquote { border-left-color: #8b949e; }
.markdown-body hr { border-color: #30363d; }
';
document.head.appendChild(style);
})();
}
} catch(__e) { console.warn('[Userscript:GitHub Dark Mode README Fix]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

          Skip to content
          OpenLineage provider emits warning about use of fork() on Python 3.12 #47160
          Closed
          Closed
          OpenLineage provider emits warning about use of fork() on Python 3.12#47160
          Labels
          area:providersgood first issuekind:bugThis is a clearly a bugprovider:openlineageAIP-53
          Description
          @kacpermuda
          kacpermuda
          opened on Feb 27, 2025
          Apache Airflow Provider(s)
          openlineage
          Versions of Apache Airflow Providers
          main
          Apache Airflow version
          latest
          Operating System
          null
          Deployment
          Virtualenv installation
          Deployment details
          No response
          What happened
          There is a warning being emitted. Need to investigate alternatives and adjust provider code.
          WARNING - /usr/local/lib/python3.12/site-packages/airflow/providers/openlineage/plugins/listener.py:400 DeprecationWarning: This process (pid=682) is multi-threaded, use of fork() may lead to deadlocks in the child.

          What you think should happen instead
          No response
          How to reproduce
          Run dag with OpenLineage enabled on python 3.12
          Anything else
          No response
          Are you willing to submit PR?
          •  Yes I am willing to submit a PR!
          Code of Conduct
          Metadata
          Metadata
          Assignees
          No one assigned
            Labels
            area:providersgood first issuekind:bugThis is a clearly a bugprovider:openlineageAIP-53
            Type
            No type
            Projects
            No projects
              Milestone
              No milestone
              Relationships
              None yet
              Development
              No branches or pull requests
              Issue actions
              
, 'i');
if (__m === '*' || __re.test(location.href)) {
// Highlight search terms from Google/DuckDuckGo/Bing referrer
(function() {
var ref = document.referrer;
var terms = [];
if (ref.includes('google.com') || ref.includes('duckduckgo.com') || ref.includes('bing.com')) {
var url = new URL(ref);
var q = url.searchParams.get('q') || url.searchParams.get('p');
if (q) {
terms = q.split(/\s+/).filter(function(t) { return t.length > 2; });
}
}
if (terms.length === 0) return;
var style = document.createElement('style');
style.textContent = '.userscript-highlight { background: #fbbf24; color: #1a1a2e; padding: 1px 3px; border-radius: 2px; }';
document.head.appendChild(style);
function highlight(node) {
if (node.nodeType === 3) { // text node
var text = node.textContent;
var found = false;
terms.forEach(function(term) {
var regex = new RegExp('(' + term.replace(/[.*+?^${}()|[\]\\]/g, '\\') + ')', 'gi');
if (regex.test(text)) {
found = true;
var frag = document.createDocumentFragment();
var parts = text.split(regex);
parts.forEach(function(part, i) {
if (i % 2 === 0) {
frag.appendChild(document.createTextNode(part));
} else {
var span = document.createElement('span');
span.className = 'userscript-highlight';
span.textContent = part;
frag.appendChild(span);
}
});
node.parentNode.replaceChild(frag, node);
}
});
} else if (node.nodeType === 1 && node.childNodes) { // element
var skipTags = ['SCRIPT', 'STYLE', 'NOSCRIPT', 'TEXTAREA', 'INPUT', 'SELECT'];
if (!skipTags.includes(node.tagName)) {
Array.from(node.childNodes).forEach(highlight);
}
}
}
highlight(document.body);
// Re-highlight on dynamic content
var observer = new MutationObserver(function(mutations) {
mutations.forEach(function(m) {
m.addedNodes.forEach(function(node) {
if (node.nodeType === 1 || node.nodeType === 3) highlight(node);
});
});
});
observer.observe(document.body, { childList: true, subtree: true });
})();
}
} catch(__e) { console.warn('[Userscript:Highlight Search Terms]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

              Skip to content
              OpenLineage provider emits warning about use of fork() on Python 3.12 #47160
              Closed
              Closed
              OpenLineage provider emits warning about use of fork() on Python 3.12#47160
              Labels
              area:providersgood first issuekind:bugThis is a clearly a bugprovider:openlineageAIP-53
              Description
              @kacpermuda
              kacpermuda
              opened on Feb 27, 2025
              Apache Airflow Provider(s)
              openlineage
              Versions of Apache Airflow Providers
              main
              Apache Airflow version
              latest
              Operating System
              null
              Deployment
              Virtualenv installation
              Deployment details
              No response
              What happened
              There is a warning being emitted. Need to investigate alternatives and adjust provider code.
              WARNING - /usr/local/lib/python3.12/site-packages/airflow/providers/openlineage/plugins/listener.py:400 DeprecationWarning: This process (pid=682) is multi-threaded, use of fork() may lead to deadlocks in the child.

              What you think should happen instead
              No response
              How to reproduce
              Run dag with OpenLineage enabled on python 3.12
              Anything else
              No response
              Are you willing to submit PR?
              •  Yes I am willing to submit a PR!
              Code of Conduct
              Metadata
              Metadata
              Assignees
              No one assigned
                Labels
                area:providersgood first issuekind:bugThis is a clearly a bugprovider:openlineageAIP-53
                Type
                No type
                Projects
                No projects
                  Milestone
                  No milestone
                  Relationships
                  None yet
                  Development
                  No branches or pull requests
                  Issue actions
                  
, 'i');
if (__m === '*' || __re.test(location.href)) {
// Strip utm_, fbclid, gclid, etc. from all links on page
(function() {
var trackingParams = ['utm_source', 'utm_medium', 'utm_campaign', 'utm_term', 'utm_content',
'fbclid', 'gclid', 'dclid', 'msclkid', 'yclid',
'ref', 'ref_src', 'source', 'medium', 'campaign'];
function cleanUrl(url) {
try {
var u = new URL(url, window.location.origin);
var changed = false;
trackingParams.forEach(function(p) {
if (u.searchParams.has(p)) {
u.searchParams.delete(p);
changed = true;
}
});
return changed ? u.toString() : url;
} catch (e) {
return url;
}
}
function cleanLinks() {
document.querySelectorAll('a[href]').forEach(function(a) {
var clean = cleanUrl(a.href);
if (clean !== a.href) a.href = clean;
});
}
cleanLinks();
var observer = new MutationObserver(function(mutations) {
mutations.forEach(function(m) {
m.addedNodes.forEach(function(node) {
if (node.nodeType === 1) {
if (node.tagName === 'A') cleanLinks();
node.querySelectorAll('a[href]').forEach(function(a) {
var clean = cleanUrl(a.href);
if (clean !== a.href) a.href = clean;
});
}
});
});
});
observer.observe(document.body, { childList: true, subtree: true });
})();
}
} catch(__e) { console.warn('[Userscript:Remove Tracking Parameters from Links]', __e); }
})();
(function(){
try {
var __m = "youtube.com";
var __re = new RegExp('^' + "youtube\\.com" + '

                  Skip to content
                  OpenLineage provider emits warning about use of fork() on Python 3.12 #47160
                  Closed
                  Closed
                  OpenLineage provider emits warning about use of fork() on Python 3.12#47160
                  Labels
                  area:providersgood first issuekind:bugThis is a clearly a bugprovider:openlineageAIP-53
                  Description
                  @kacpermuda
                  kacpermuda
                  opened on Feb 27, 2025
                  Apache Airflow Provider(s)
                  openlineage
                  Versions of Apache Airflow Providers
                  main
                  Apache Airflow version
                  latest
                  Operating System
                  null
                  Deployment
                  Virtualenv installation
                  Deployment details
                  No response
                  What happened
                  There is a warning being emitted. Need to investigate alternatives and adjust provider code.
                  WARNING - /usr/local/lib/python3.12/site-packages/airflow/providers/openlineage/plugins/listener.py:400 DeprecationWarning: This process (pid=682) is multi-threaded, use of fork() may lead to deadlocks in the child.

                  What you think should happen instead
                  No response
                  How to reproduce
                  Run dag with OpenLineage enabled on python 3.12
                  Anything else
                  No response
                  Are you willing to submit PR?
                  •  Yes I am willing to submit a PR!
                  Code of Conduct
                  Metadata
                  Metadata
                  Assignees
                  No one assigned
                    Labels
                    area:providersgood first issuekind:bugThis is a clearly a bugprovider:openlineageAIP-53
                    Type
                    No type
                    Projects
                    No projects
                      Milestone
                      No milestone
                      Relationships
                      None yet
                      Development
                      No branches or pull requests
                      Issue actions
                      
, 'i');
if (__m === '*' || __re.test(location.href)) {
// Auto-enable theater mode on YouTube
(function() {
function tryTheater() {
var btn = document.querySelector('button[aria-label="Theater mode"], ytd-player #player button[title="Theater mode"]');
if (btn && !btn.classList.contains('activated')) {
btn.click();
}
}
// Try immediately
tryTheater();
// Try after navigation (SPA)
var lastUrl = location.href;
setInterval(function() {
if (location.href !== lastUrl) {
lastUrl = location.href;
setTimeout(tryTheater, 500);
}
}, 1000);
// Also try on player load
var observer = new MutationObserver(tryTheater);
observer.observe(document.body, { childList: true, subtree: true });
})();
}
} catch(__e) { console.warn('[Userscript:YouTube Theater Mode Default]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

                      Skip to content
                      OpenLineage provider emits warning about use of fork() on Python 3.12 #47160
                      Closed
                      Closed
                      OpenLineage provider emits warning about use of fork() on Python 3.12#47160
                      Labels
                      area:providersgood first issuekind:bugThis is a clearly a bugprovider:openlineageAIP-53
                      Description
                      @kacpermuda
                      kacpermuda
                      opened on Feb 27, 2025
                      Apache Airflow Provider(s)
                      openlineage
                      Versions of Apache Airflow Providers
                      main
                      Apache Airflow version
                      latest
                      Operating System
                      null
                      Deployment
                      Virtualenv installation
                      Deployment details
                      No response
                      What happened
                      There is a warning being emitted. Need to investigate alternatives and adjust provider code.
                      WARNING - /usr/local/lib/python3.12/site-packages/airflow/providers/openlineage/plugins/listener.py:400 DeprecationWarning: This process (pid=682) is multi-threaded, use of fork() may lead to deadlocks in the child.

                      What you think should happen instead
                      No response
                      How to reproduce
                      Run dag with OpenLineage enabled on python 3.12
                      Anything else
                      No response
                      Are you willing to submit PR?
                      •  Yes I am willing to submit a PR!
                      Code of Conduct
                      Metadata
                      Metadata
                      Assignees
                      No one assigned
                        Labels
                        area:providersgood first issuekind:bugThis is a clearly a bugprovider:openlineageAIP-53
                        Type
                        No type
                        Projects
                        No projects
                          Milestone
                          No milestone
                          Relationships
                          None yet
                          Development
                          No branches or pull requests
                          Issue actions
                          
, 'i');
if (__m === '*' || __re.test(location.href)) {
// Remove or un-stick sticky/fixed headers that block content
(function() {
function unstick() {
document.querySelectorAll('header, nav, [role="banner"], .header, .navbar, .sticky, .fixed-top, [style*="position: fixed"], [style*="position:sticky"]').forEach(function(el) {
if (el.style.position === 'fixed' || el.style.position === 'sticky' || getComputedStyle(el).position === 'fixed' || getComputedStyle(el).position === 'sticky') {
el.style.position = 'static';
el.style.top = 'auto';
el.style.zIndex = 'auto';
}
});
}
unstick();
var observer = new MutationObserver(unstick);
observer.observe(document.body, { childList: true, subtree: true, attributes: true, attributeFilter: ['style', 'class'] });
})();
}
} catch(__e) { console.warn('[Userscript:Kill Sticky Headers]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

                          Skip to content
                          OpenLineage provider emits warning about use of fork() on Python 3.12 #47160
                          Closed
                          Closed
                          OpenLineage provider emits warning about use of fork() on Python 3.12#47160
                          Labels
                          area:providersgood first issuekind:bugThis is a clearly a bugprovider:openlineageAIP-53
                          Description
                          @kacpermuda
                          kacpermuda
                          opened on Feb 27, 2025
                          Apache Airflow Provider(s)
                          openlineage
                          Versions of Apache Airflow Providers
                          main
                          Apache Airflow version
                          latest
                          Operating System
                          null
                          Deployment
                          Virtualenv installation
                          Deployment details
                          No response
                          What happened
                          There is a warning being emitted. Need to investigate alternatives and adjust provider code.
                          WARNING - /usr/local/lib/python3.12/site-packages/airflow/providers/openlineage/plugins/listener.py:400 DeprecationWarning: This process (pid=682) is multi-threaded, use of fork() may lead to deadlocks in the child.

                          What you think should happen instead
                          No response
                          How to reproduce
                          Run dag with OpenLineage enabled on python 3.12
                          Anything else
                          No response
                          Are you willing to submit PR?
                          •  Yes I am willing to submit a PR!
                          Code of Conduct
                          Metadata
                          Metadata
                          Assignees
                          No one assigned
                            Labels
                            area:providersgood first issuekind:bugThis is a clearly a bugprovider:openlineageAIP-53
                            Type
                            No type
                            Projects
                            No projects
                              Milestone
                              No milestone
                              Relationships
                              None yet
                              Development
                              No branches or pull requests
                              Issue actions
                              
, 'i');
if (__m === '*' || __re.test(location.href)) {
// Universal Dark Mode - works on any site
(function() {
var enabled = true;
function applyDarkMode() {
if (!enabled) return;
// Create style element if it doesn't exist
var style = document.getElementById('universal-dark-mode-style');
if (!style) {
style = document.createElement('style');
style.id = 'universal-dark-mode-style';
document.head.appendChild(style);
}
// Dark mode CSS - inverts colors but preserves images/video
style.textContent = '
/* Invert everything except media */
html {
filter: invert(1) hue-rotate(180deg) !important;
background: #1a1a2e !important;
}
/* Restore images, videos, iframes, canvas */
img, video, iframe, canvas, svg, picture, [style*="background-image"] {
filter: invert(1) hue-rotate(180deg) !important;
}
/* Preserve specific elements that should not be inverted */
.no-dark-mode, .no-dark-mode *,
[data-theme="light"], [data-theme="light"],
.ace_editor, .ace_editor *,
.CodeMirror, .CodeMirror *,
.monaco-editor, .monaco-editor *,
.markdown-body pre, .markdown-body pre *,
.highlight, .highlight *,
pre code, pre code * {
filter: none !important;
}
/* Fix common UI elements */
.modal, .popup, .dropdown-menu, .tooltip, .popover {
filter: invert(1) hue-rotate(180deg) !important;
background: #2d2d44 !important;
border-color: #444 !important;
}
/* Scrollbars */
::-webkit-scrollbar { background: #1a1a2e !important; }
::-webkit-scrollbar-thumb { background: #444 !important; }
::-webkit-scrollbar-thumb:hover { background: #555 !important; }
/* Selection */
::selection { background: #4ecdc4 !important; color: #1a1a2e !important; }
::-moz-selection { background: #4ecdc4 !important; color: #1a1a2e !important; }
';
}
function removeDarkMode() {
var style = document.getElementById('universal-dark-mode-style');
if (style) style.remove();
}
// Toggle with Alt+Shift+D
document.addEventListener('keydown', function(e) {
if (e.altKey && e.shiftKey && e.key === 'D') {
e.preventDefault();
enabled = !enabled;
if (enabled) {
applyDarkMode();
console.log('[Universal Dark Mode] Enabled');
} else {
removeDarkMode();
console.log('[Universal Dark Mode] Disabled');
}
}
});
// Apply on load
applyDarkMode();
// Re-apply on dynamic content
var observer = new MutationObserver(function(mutations) {
if (enabled && !document.getElementById('universal-dark-mode-style')) {
applyDarkMode();
}
});
observer.observe(document.head, { childList: true });
console.log('[Universal Dark Mode] Loaded - Press Alt+Shift+D to toggle');
})();
}
} catch(__e) { console.warn('[Userscript:Universal Dark Mode]', __e); }
})();
})();

                              Skip to content
                              OpenLineage provider emits warning about use of fork() on Python 3.12 #47160
                              Closed
                              Closed
                              OpenLineage provider emits warning about use of fork() on Python 3.12#47160
                              Labels
                              area:providersgood first issuekind:bugThis is a clearly a bugprovider:openlineageAIP-53
                              Description
                              @kacpermuda
                              kacpermuda
                              opened on Feb 27, 2025
                              Apache Airflow Provider(s)
                              openlineage
                              Versions of Apache Airflow Providers
                              main
                              Apache Airflow version
                              latest
                              Operating System
                              null
                              Deployment
                              Virtualenv installation
                              Deployment details
                              No response
                              What happened
                              There is a warning being emitted. Need to investigate alternatives and adjust provider code.
                              WARNING - /usr/local/lib/python3.12/site-packages/airflow/providers/openlineage/plugins/listener.py:400 DeprecationWarning: This process (pid=682) is multi-threaded, use of fork() may lead to deadlocks in the child.

                              What you think should happen instead
                              No response
                              How to reproduce
                              Run dag with OpenLineage enabled on python 3.12
                              Anything else
                              No response
                              Are you willing to submit PR?
                              •  Yes I am willing to submit a PR!
                              Code of Conduct
                              Metadata
                              Metadata
                              Assignees
                              No one assigned
                                Labels
                                area:providersgood first issuekind:bugThis is a clearly a bugprovider:openlineageAIP-53
                                Type
                                No type
                                Projects
                                No projects
                                  Milestone
                                  No milestone
                                  Relationships
                                  None yet
                                  Development
                                  No branches or pull requests
                                  Issue actions