Recognised as HTTP status
HTTP 500 Internal Server Error
- 500 Internal Server Error
- Server error
- RFC 9110
HTTP 500 Internal Server Error is a server error response: the server hit an unexpected condition. It is defined in RFC 9110, and the server failed to fulfil an apparently valid request.
What it means
Status code500
Reason phraseInternal Server Erroradvisory only; clients must not depend on the wording
Class5xx Server error
MeaningThe server hit an unexpected condition
Defined inRFC 9110
Cacheable by defaultNoonly cacheable if the response says so explicitly
How clients behave
Indicates an errorYes
Whose faultThe server
Body expectedUsually
Safe to retry automaticallyNo
The 5xx class
Class meaningThe server failed to fulfil an apparently valid request
Codes in this class11
Lowest in class500
Highest in class511
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