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Dynamic Server Usage within an API route

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Sloth bear posted this in #help-forum
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Sloth bearOP
Hey!
Getting the following error and not sure what's causing it entirely,

Failed zoom integration DynamicServerError: Dynamic server usage: Page couldn't be rendered statically because it used `headers`. See more info here: https://nextjs.org/docs/messages/dynamic-server-error
    at staticGenerationBailout (/var/task/.next/server/chunks/389.js:88:21)
    at headers (/var/task/.next/server/chunks/2038.js:5676:62)
    at getServerSession (/var/task/.next/server/chunks/3292.js:4272:41)
    at GET (/var/task/.next/server/app/api/integration/zoom/connect/route.js:146:61)
    at /var/task/.next/server/chunks/2038.js:11504:43
    at /var/task/.next/server/chunks/2038.js:12371:36
    at NoopContextManager.with (/var/task/.next/server/chunks/2038.js:6439:30)
    at ContextAPI.with (/var/task/.next/server/chunks/2038.js:6109:58)
    at NoopTracer.startActiveSpan (/var/task/.next/server/chunks/2038.js:7032:34)
    at ProxyTracer.startActiveSpan (/var/task/.next/server/chunks/2038.js:7072:36) {
  digest: 'DYNAMIC_SERVER_USAGE'
}


The source code is the following: https://github.com/exception/jumpcal/blob/811cabdae90b12aa6ecccadaad1886ea280f50d3/src/app/api/integration/zoom/connect/route.ts#L75

4 Replies

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Sloth bearOP
I assume it may be related to the const session = await getServerSession() call, but not entirely sure, as it's the only thing that could be accessing the headers
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Great Crested Flycatcher
Same issue here, only at build time
And only when updating to Next.js 15
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@Great Crested Flycatcher Same issue here, only at build time
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Alfonsus Ardani
Create a new thread and provide more information. This intentional. you can't use dynamic server usage in static routes.