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Mr_Pearl
Creator II
Creator II

Qlik Sense Hub - Cannot establish data connection - API error

Installed Qlik Enterprise Feb 2021 version. Getting "Unknown error" when clicked "Load Data" button in Data load editor page of a app. The error is random. It happens to any app and at any time. In dev tool found below entry every time the error occurred,

"Failed to create api: Error: Cannot establish a connection: Qlik Sense G3 Broker API"

Above G3 error occurred while the data connection was loading (spinning wheel). So removed all databases connection except folder connection. Still error occurred.

Tried following but no luck:

Thought memory is issue but CPU usage was around 20% and RAM usage was "50%" when error occurred.

Thought overusing the tokens. De-allocated the service account token. Still got the error.

Error occurred to multiple different app and to multiple people.

Mine is multi-node setup.

Removed all data connections to any database except for the folder connection. Still getting the error.

Any help is appreciated.

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