Database connections left open if forming the web response fails

[droyad]

If a web request fails in a response filter, the request lifecycle does not get disposed, leaving database connections open. The server also does not close the tcp connection.

This can be triggered by an invalid accept header.

[octoreleasebot]

Release Note: Closed database and network connections when an error occurs formatting the response

[droyad]

This issue may present itself in the logs with an error message The timeout period elapsed prior to obtaining a connection from the pool

[lock]

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