FetchError :http first read error: EOF

[Ayberk Kimsesiz]

Hi,

I'm trying to solve this problem for a long time.
I reset the default.vcl settings, but it did not work. What is your
suggestion?

*   << BeReq    >> 1277958
-   Begin          bereq 1277957 fetch
-   Timestamp      Start: 1479744699.658494 0.000000 0.000000
-   BereqMethod    GET
-   BereqURL       /
-   BereqProtocol  HTTP/1.1
-   BereqHeader    Host: www.*****.com
-   BereqHeader    User-Agent: Mozilla/5.0 (Windows NT 6.1; Win64; x64)
AppleWebKit/537.36 (KHTML, like Gecko) Chrome/54.0.2840.99 Safari/537.36
-   BereqHeader    Accept: */*
-   BereqHeader    Accept-Language: tr-TR,tr;q=0.8,en-US;q=0.6,en;q=0.4
-   BereqHeader    X-Actual-IP: 50.60.135.57
-   BereqHeader    X-Forwarded-For: 50.60.135.57, 50.60.135.57
-   BereqHeader    Accept-Encoding: gzip
-   BereqHeader    X-Varnish: 1277958
-   VCL_call       BACKEND_FETCH
-   VCL_return     fetch
-   BackendOpen    132 boot.default 176.53.126.10 8080 176.53.126.10 51776
-   BackendStart   176.53.126.10 8080
-   Timestamp      Bereq: 1479744702.659311 3.000817 3.000817
-   FetchError     http first read error: EOF
-   BackendClose   132 boot.default
-   Timestamp      Beresp: 1479744811.501441 111.842947 108.842130
-   Timestamp      Error: 1479744811.501446 111.842952 0.000005
-   BerespProtocol HTTP/1.1
-   BerespStatus   503
-   BerespReason   Service Unavailable
-   BerespReason   Backend fetch failed
-   BerespHeader   Date: Mon, 21 Nov 2016 16:13:31 GMT
-   BerespHeader   Server: Varnish
-   VCL_call       BACKEND_ERROR
-   BerespHeader   Content-Type: text/html; charset=utf-8
-   BerespHeader   Retry-After: 5
-   VCL_return     deliver
-   Storage        malloc s0
-   ObjProtocol    HTTP/1.1
-   ObjStatus      503
-   ObjReason      Backend fetch failed
-   ObjHeader      Date: Mon, 21 Nov 2016 16:13:31 GMT
-   ObjHeader      Server: Varnish
-   ObjHeader      Content-Type: text/html; charset=utf-8
-   ObjHeader      Retry-After: 5
-   Length         284
-   BereqAcct      356 0 356 0 0 0
-   End
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