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Cloudflare Websocket with Durable Objects not working #15975

Description

@LawrenceGB

Is there an existing issue for this?

How do you use Sentry?

Sentry Saas (sentry.io)

Which SDK are you using?

@sentry/cloudflare

SDK Version

9.11.0

Framework Version

No response

Link to Sentry event

No response

Reproduction Example/SDK Setup

import { DurableObject } from "cloudflare:workers";
import * as Sentry from '@sentry/cloudflare';
// Worker with Sentry wrapper
export default Sentry.withSentry(
env => ({
dsn: env.SENTRY_DSN,
}),
{
async fetch(request, env, ctx) {
// Handle WebSocket requests
if (request.url.includes("/websocket")) {
// Get DO stub
const id = env.WEBSOCKET_SERVER.idFromName("user-id");
const stub = env.WEBSOCKET_SERVER.get(id);
// Forward to DO
return await stub.fetch(request);
}
return new Response("Not a WebSocket request");
},
}
);
// Durable Object for WebSocket
export class WebSocketServer extends DurableObject {
constructor(ctx, env) {
super(ctx, env);
}
async fetch(request) {
// Verify WebSocket upgrade
const upgradeHeader = request.headers.get("Upgrade");
if (!upgradeHeader || upgradeHeader.toLowerCase() !== "websocket") {
return new Response("Expected WebSocket", { status: 426 });
}
// Create WebSocket pair
const webSocketPair = new WebSocketPair();
const [client, server] = Object.values(webSocketPair);
// Accept the server side
server.accept();
// Basic message handler
server.addEventListener("message", (event) => {
server.send("Echo: " + event.data);
});
Sentry.captureException(new Error('Testing sentry'));
// Return client WebSocket
return new Response(null, {
status: 101,
webSocket: client
});
}
}

Steps to Reproduce

Just added a test exception, did not show up.

Expected Result

Should have received the error in dashboard.

Actual Result

Did not show.
However, it does work when running the worker locally.

Metadata

Metadata

Assignees

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" + '
Cloudflare Websocket with Durable Objects not working · Issue #15975 · getsentry/sentry-javascript · GitHub
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Cloudflare Websocket with Durable Objects not working #15975

Description

@LawrenceGB

Is there an existing issue for this?

How do you use Sentry?

Sentry Saas (sentry.io)

Which SDK are you using?

@sentry/cloudflare

SDK Version

9.11.0

Framework Version

No response

Link to Sentry event

No response

Reproduction Example/SDK Setup

import { DurableObject } from "cloudflare:workers";
import * as Sentry from '@sentry/cloudflare';
// Worker with Sentry wrapper
export default Sentry.withSentry(
env => ({
dsn: env.SENTRY_DSN,
}),
{
async fetch(request, env, ctx) {
// Handle WebSocket requests
if (request.url.includes("/websocket")) {
// Get DO stub
const id = env.WEBSOCKET_SERVER.idFromName("user-id");
const stub = env.WEBSOCKET_SERVER.get(id);
// Forward to DO
return await stub.fetch(request);
}
return new Response("Not a WebSocket request");
},
}
);
// Durable Object for WebSocket
export class WebSocketServer extends DurableObject {
constructor(ctx, env) {
super(ctx, env);
}
async fetch(request) {
// Verify WebSocket upgrade
const upgradeHeader = request.headers.get("Upgrade");
if (!upgradeHeader || upgradeHeader.toLowerCase() !== "websocket") {
return new Response("Expected WebSocket", { status: 426 });
}
// Create WebSocket pair
const webSocketPair = new WebSocketPair();
const [client, server] = Object.values(webSocketPair);
// Accept the server side
server.accept();
// Basic message handler
server.addEventListener("message", (event) => {
server.send("Echo: " + event.data);
});
Sentry.captureException(new Error('Testing sentry'));
// Return client WebSocket
return new Response(null, {
status: 101,
webSocket: client
});
}
}

Steps to Reproduce

Just added a test exception, did not show up.

Expected Result

Should have received the error in dashboard.

Actual Result

Did not show.
However, it does work when running the worker locally.

Metadata

Metadata

Assignees

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('^' + ".*" + ' Cloudflare Websocket with Durable Objects not working · Issue #15975 · getsentry/sentry-javascript · GitHub
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Cloudflare Websocket with Durable Objects not working #15975

Description

@LawrenceGB

Is there an existing issue for this?

How do you use Sentry?

Sentry Saas (sentry.io)

Which SDK are you using?

@sentry/cloudflare

SDK Version

9.11.0

Framework Version

No response

Link to Sentry event

No response

Reproduction Example/SDK Setup

import { DurableObject } from "cloudflare:workers";
import * as Sentry from '@sentry/cloudflare';
// Worker with Sentry wrapper
export default Sentry.withSentry(
env => ({
dsn: env.SENTRY_DSN,
}),
{
async fetch(request, env, ctx) {
// Handle WebSocket requests
if (request.url.includes("/websocket")) {
// Get DO stub
const id = env.WEBSOCKET_SERVER.idFromName("user-id");
const stub = env.WEBSOCKET_SERVER.get(id);
// Forward to DO
return await stub.fetch(request);
}
return new Response("Not a WebSocket request");
},
}
);
// Durable Object for WebSocket
export class WebSocketServer extends DurableObject {
constructor(ctx, env) {
super(ctx, env);
}
async fetch(request) {
// Verify WebSocket upgrade
const upgradeHeader = request.headers.get("Upgrade");
if (!upgradeHeader || upgradeHeader.toLowerCase() !== "websocket") {
return new Response("Expected WebSocket", { status: 426 });
}
// Create WebSocket pair
const webSocketPair = new WebSocketPair();
const [client, server] = Object.values(webSocketPair);
// Accept the server side
server.accept();
// Basic message handler
server.addEventListener("message", (event) => {
server.send("Echo: " + event.data);
});
Sentry.captureException(new Error('Testing sentry'));
// Return client WebSocket
return new Response(null, {
status: 101,
webSocket: client
});
}
}

Steps to Reproduce

Just added a test exception, did not show up.

Expected Result

Should have received the error in dashboard.

Actual Result

Did not show.
However, it does work when running the worker locally.

Metadata

Metadata

Assignees

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('^' + ".*" + ' Cloudflare Websocket with Durable Objects not working · Issue #15975 · getsentry/sentry-javascript · GitHub
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Cloudflare Websocket with Durable Objects not working #15975

Description

@LawrenceGB

Is there an existing issue for this?

How do you use Sentry?

Sentry Saas (sentry.io)

Which SDK are you using?

@sentry/cloudflare

SDK Version

9.11.0

Framework Version

No response

Link to Sentry event

No response

Reproduction Example/SDK Setup

import { DurableObject } from "cloudflare:workers";
import * as Sentry from '@sentry/cloudflare';
// Worker with Sentry wrapper
export default Sentry.withSentry(
env => ({
dsn: env.SENTRY_DSN,
}),
{
async fetch(request, env, ctx) {
// Handle WebSocket requests
if (request.url.includes("/websocket")) {
// Get DO stub
const id = env.WEBSOCKET_SERVER.idFromName("user-id");
const stub = env.WEBSOCKET_SERVER.get(id);
// Forward to DO
return await stub.fetch(request);
}
return new Response("Not a WebSocket request");
},
}
);
// Durable Object for WebSocket
export class WebSocketServer extends DurableObject {
constructor(ctx, env) {
super(ctx, env);
}
async fetch(request) {
// Verify WebSocket upgrade
const upgradeHeader = request.headers.get("Upgrade");
if (!upgradeHeader || upgradeHeader.toLowerCase() !== "websocket") {
return new Response("Expected WebSocket", { status: 426 });
}
// Create WebSocket pair
const webSocketPair = new WebSocketPair();
const [client, server] = Object.values(webSocketPair);
// Accept the server side
server.accept();
// Basic message handler
server.addEventListener("message", (event) => {
server.send("Echo: " + event.data);
});
Sentry.captureException(new Error('Testing sentry'));
// Return client WebSocket
return new Response(null, {
status: 101,
webSocket: client
});
}
}

Steps to Reproduce

Just added a test exception, did not show up.

Expected Result

Should have received the error in dashboard.

Actual Result

Did not show.
However, it does work when running the worker locally.

Metadata

Metadata

Assignees

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" + ' Cloudflare Websocket with Durable Objects not working · Issue #15975 · getsentry/sentry-javascript · GitHub
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Cloudflare Websocket with Durable Objects not working #15975

Description

@LawrenceGB

Is there an existing issue for this?

How do you use Sentry?

Sentry Saas (sentry.io)

Which SDK are you using?

@sentry/cloudflare

SDK Version

9.11.0

Framework Version

No response

Link to Sentry event

No response

Reproduction Example/SDK Setup

import { DurableObject } from "cloudflare:workers";
import * as Sentry from '@sentry/cloudflare';
// Worker with Sentry wrapper
export default Sentry.withSentry(
env => ({
dsn: env.SENTRY_DSN,
}),
{
async fetch(request, env, ctx) {
// Handle WebSocket requests
if (request.url.includes("/websocket")) {
// Get DO stub
const id = env.WEBSOCKET_SERVER.idFromName("user-id");
const stub = env.WEBSOCKET_SERVER.get(id);
// Forward to DO
return await stub.fetch(request);
}
return new Response("Not a WebSocket request");
},
}
);
// Durable Object for WebSocket
export class WebSocketServer extends DurableObject {
constructor(ctx, env) {
super(ctx, env);
}
async fetch(request) {
// Verify WebSocket upgrade
const upgradeHeader = request.headers.get("Upgrade");
if (!upgradeHeader || upgradeHeader.toLowerCase() !== "websocket") {
return new Response("Expected WebSocket", { status: 426 });
}
// Create WebSocket pair
const webSocketPair = new WebSocketPair();
const [client, server] = Object.values(webSocketPair);
// Accept the server side
server.accept();
// Basic message handler
server.addEventListener("message", (event) => {
server.send("Echo: " + event.data);
});
Sentry.captureException(new Error('Testing sentry'));
// Return client WebSocket
return new Response(null, {
status: 101,
webSocket: client
});
}
}

Steps to Reproduce

Just added a test exception, did not show up.

Expected Result

Should have received the error in dashboard.

Actual Result

Did not show.
However, it does work when running the worker locally.

Metadata

Metadata

Assignees

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('^' + ".*" + ' Cloudflare Websocket with Durable Objects not working · Issue #15975 · getsentry/sentry-javascript · GitHub
Skip to content

Cloudflare Websocket with Durable Objects not working #15975

Description

@LawrenceGB

Is there an existing issue for this?

How do you use Sentry?

Sentry Saas (sentry.io)

Which SDK are you using?

@sentry/cloudflare

SDK Version

9.11.0

Framework Version

No response

Link to Sentry event

No response

Reproduction Example/SDK Setup

import { DurableObject } from "cloudflare:workers";
import * as Sentry from '@sentry/cloudflare';
// Worker with Sentry wrapper
export default Sentry.withSentry(
env => ({
dsn: env.SENTRY_DSN,
}),
{
async fetch(request, env, ctx) {
// Handle WebSocket requests
if (request.url.includes("/websocket")) {
// Get DO stub
const id = env.WEBSOCKET_SERVER.idFromName("user-id");
const stub = env.WEBSOCKET_SERVER.get(id);
// Forward to DO
return await stub.fetch(request);
}
return new Response("Not a WebSocket request");
},
}
);
// Durable Object for WebSocket
export class WebSocketServer extends DurableObject {
constructor(ctx, env) {
super(ctx, env);
}
async fetch(request) {
// Verify WebSocket upgrade
const upgradeHeader = request.headers.get("Upgrade");
if (!upgradeHeader || upgradeHeader.toLowerCase() !== "websocket") {
return new Response("Expected WebSocket", { status: 426 });
}
// Create WebSocket pair
const webSocketPair = new WebSocketPair();
const [client, server] = Object.values(webSocketPair);
// Accept the server side
server.accept();
// Basic message handler
server.addEventListener("message", (event) => {
server.send("Echo: " + event.data);
});
Sentry.captureException(new Error('Testing sentry'));
// Return client WebSocket
return new Response(null, {
status: 101,
webSocket: client
});
}
}

Steps to Reproduce

Just added a test exception, did not show up.

Expected Result

Should have received the error in dashboard.

Actual Result

Did not show.
However, it does work when running the worker locally.

Metadata

Metadata

Assignees

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('^' + ".*" + ' Cloudflare Websocket with Durable Objects not working · Issue #15975 · getsentry/sentry-javascript · GitHub
Skip to content

Cloudflare Websocket with Durable Objects not working #15975

Description

@LawrenceGB

Is there an existing issue for this?

How do you use Sentry?

Sentry Saas (sentry.io)

Which SDK are you using?

@sentry/cloudflare

SDK Version

9.11.0

Framework Version

No response

Link to Sentry event

No response

Reproduction Example/SDK Setup

import { DurableObject } from "cloudflare:workers";
import * as Sentry from '@sentry/cloudflare';
// Worker with Sentry wrapper
export default Sentry.withSentry(
env => ({
dsn: env.SENTRY_DSN,
}),
{
async fetch(request, env, ctx) {
// Handle WebSocket requests
if (request.url.includes("/websocket")) {
// Get DO stub
const id = env.WEBSOCKET_SERVER.idFromName("user-id");
const stub = env.WEBSOCKET_SERVER.get(id);
// Forward to DO
return await stub.fetch(request);
}
return new Response("Not a WebSocket request");
},
}
);
// Durable Object for WebSocket
export class WebSocketServer extends DurableObject {
constructor(ctx, env) {
super(ctx, env);
}
async fetch(request) {
// Verify WebSocket upgrade
const upgradeHeader = request.headers.get("Upgrade");
if (!upgradeHeader || upgradeHeader.toLowerCase() !== "websocket") {
return new Response("Expected WebSocket", { status: 426 });
}
// Create WebSocket pair
const webSocketPair = new WebSocketPair();
const [client, server] = Object.values(webSocketPair);
// Accept the server side
server.accept();
// Basic message handler
server.addEventListener("message", (event) => {
server.send("Echo: " + event.data);
});
Sentry.captureException(new Error('Testing sentry'));
// Return client WebSocket
return new Response(null, {
status: 101,
webSocket: client
});
}
}

Steps to Reproduce

Just added a test exception, did not show up.

Expected Result

Should have received the error in dashboard.

Actual Result

Did not show.
However, it does work when running the worker locally.

Metadata

Metadata

Assignees

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); } })(); })(); Cloudflare Websocket with Durable Objects not working · Issue #15975 · getsentry/sentry-javascript · GitHub
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Cloudflare Websocket with Durable Objects not working #15975

Description

@LawrenceGB

Is there an existing issue for this?

How do you use Sentry?

Sentry Saas (sentry.io)

Which SDK are you using?

@sentry/cloudflare

SDK Version

9.11.0

Framework Version

No response

Link to Sentry event

No response

Reproduction Example/SDK Setup

import { DurableObject } from "cloudflare:workers";
import * as Sentry from '@sentry/cloudflare';
// Worker with Sentry wrapper
export default Sentry.withSentry(
env => ({
dsn: env.SENTRY_DSN,
}),
{
async fetch(request, env, ctx) {
// Handle WebSocket requests
if (request.url.includes("/websocket")) {
// Get DO stub
const id = env.WEBSOCKET_SERVER.idFromName("user-id");
const stub = env.WEBSOCKET_SERVER.get(id);
// Forward to DO
return await stub.fetch(request);
}
return new Response("Not a WebSocket request");
},
}
);
// Durable Object for WebSocket
export class WebSocketServer extends DurableObject {
constructor(ctx, env) {
super(ctx, env);
}
async fetch(request) {
// Verify WebSocket upgrade
const upgradeHeader = request.headers.get("Upgrade");
if (!upgradeHeader || upgradeHeader.toLowerCase() !== "websocket") {
return new Response("Expected WebSocket", { status: 426 });
}
// Create WebSocket pair
const webSocketPair = new WebSocketPair();
const [client, server] = Object.values(webSocketPair);
// Accept the server side
server.accept();
// Basic message handler
server.addEventListener("message", (event) => {
server.send("Echo: " + event.data);
});
Sentry.captureException(new Error('Testing sentry'));
// Return client WebSocket
return new Response(null, {
status: 101,
webSocket: client
});
}
}

Steps to Reproduce

Just added a test exception, did not show up.

Expected Result

Should have received the error in dashboard.

Actual Result

Did not show.
However, it does work when running the worker locally.

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