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Unabled to create new browser:
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d85a0daa3e2452f1bcc7ba56d59ceb5e in case anyone is feeling generous with the beta access 
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const browser = await pup.launch({
headless: `new`,
defaultViewport: { width: 1920, height: 1080 },
})
const getPageSnapshot = (url, fullPage) => new Promise(async (resolve, reject) => { // this returns a promise resolving to a buffer
const page = await browser.newPage().catch(reject)
await page.goto(url).catch(reject)
resolve(await page.screenshot({
fullPage
}).then(async (r) => { await page.close(); return r }).catch(reject))
}) async handle(
request: Request,
env: any,
context: any,
data: Record<string, any>
) : Promise<Response> {
// some url handling
const browser = await puppeteer.launch(env.MYBROWSER);
const page = await browser.newPage();
await page.setViewport({ width: 1920, height: 1080 })
await page.goto(url);
const screenshot = (await page.screenshot({
fullPage: false,
})) as Buffer;
await browser.close();
return new Response(screenshot, {
headers: {
'Content-Type': `image/jpeg`,
},
});
} await page.goto(url, {
waitUntil: `load`
}); {
"message": [
"Browser DO: Could not start browser instance. Error: Error: Unabled to create new browser: code: 429: message: Too Many Requests",
"Error: Unabled to create new browser: code: 429: message: Too Many Requests\n at PuppeteerWorkers.launch (index.js:19201:13)\n at async Browser2.fetch (index.js:43967:24)"
],
"level": "error",
"timestamp": 1702366528655
} async fetch(url: string) {
//if there's a browser session open, re-use it
if (!this.browser || !this.browser.isConnected()) {
console.log(`Browser DO: Starting new instance`);
try {
this.browser = await puppeteer.launch(this.env.CHROMIUM);
} catch (e) {
console.error(
`Browser DO: Could not start browser instance. Error: ${e}`,
e.stack
);
throw e;
}
}
.......
} async alarm() {
this.keptAliveInSeconds += 10;
// Extend browser DO life
if (this.keptAliveInSeconds < KEEP_BROWSER_ALIVE_IN_SECONDS) {
console.log(
`Browser DO: has been kept alive for ${this.keptAliveInSeconds} seconds. Extending lifespan.`
);
await this.storage.setAlarm(Date.now() + 10 * 1000);
await this.browser.version();
} else
console.log(
`Browser DO: exceeded life of ${KEEP_BROWSER_ALIVE_IN_SECONDS}. Browser DO will be shut down in 10 seconds.`
);
}d85a0daa3e2452f1bcc7ba56d59ceb5e