Getting 502 Bad Request exception (Unexpected EOF)

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I am intermittently getting following error in one API of my API proxy

{\"fault\":\"{\\\"detail\\\":{\\\"errorcode\\\":\\\"messaging.adaptors.http.UnexpectedEOF\\\"},\\\"faultstring\\\":\\\"Unexpected EOF\\\"}\"}

All the other APIs with the same target are working fine. I tried to access the backend API directly and it is working without any issue. What could be the reason behind this behavior?

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6 REPLIES 6

@vinita_dwivedi , If error is intermittent it has something to do with message processor. Are you on onprem / cloud ?

Also, Check similar question here. Keep us posted.

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It's on premise version 4.14.07.0

I tried adding SSLInfo to my targetendpoint as mentioned in https://community.apigee.com/questions/8894/target-server-for-secure-connection-throws-502-err.html, but it did not help. Also, I am getting error only for one API. There are other APIs deployed on same server and not once this issue is observed.

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Hi Anil,

I tried saving a new revision of API proxy and deployed it. Now I am not getting EOF exception. My backend service is available and working fine but Apigee is giving Timeout Error as {"fault":"{\"detail\":{\"errorcode\":\"messaging.adaptors.http.flow.ServiceUnavailable\"},\"faultstring\":\"The Service is temporarily unavailable\"}"}. What could be the possible root cause of this peculiar behavior?