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HTTP error code 499

mohdilyas
Participant IV

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I have found multiple API requests in the Apigee API monitoring investigate section with 499 status codes. It is not clear what the source of the fault and also Apigee doesn't provide enough information about the specific error.

Have anyone else encountered this error code before? Please help

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Not applicable

This is a known error response.

When your client app closes connection because of timeout before the router times out, you will see this error 499.

This is called broken pipe issue.

To overcome this you need to increase the client app timeout or can tune the proxy backend to respond faster.

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Not applicable

This is a known error response.

When your client app closes connection because of timeout before the router times out, you will see this error 499.

This is called broken pipe issue.

To overcome this you need to increase the client app timeout or can tune the proxy backend to respond faster.

View solution in original post

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mohdilyas
Participant IV

Yes in our case, the client application was canceling a request that was in a "pending" state and that resulted in a 499 status code on Apigee with the no-fault source. Also, this kind of request is not visible on the trace and can only be found in Apigee monitoring logs.
Thanks for your answer.

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