Mailing List Archive

On 4/14/20 10:02 PM, Petr Sumbera wrote:
> Hi,
>
> we have got several reports similar to:
>
> https://bz.apache.org/bugzilla/show_bug.cgi?id=63229
>
> One is:
>
> Tue Feb 25 09:17:53.486933 2020] [proxy_http:error] [pid 27500:tid 9]
> (20014)Internal error (specific information not available): [client
> XXX:XXX] AH01102: error reading status line from remote server
> XXX:XXX


Difficult to say what the real root cause is. May require further log lines, probably at higher log levels.
So if you don't have them and you cannot reproduce it, it likely remains unresolved.

>
> The other is:
>
> [Thu Mar 12 05:37:57.789117 2020] [proxy:error] [pid 26426:tid 22]
> (20014)Internal error (specific information not available): [client
> XXX:XXX] AH01084: pass request body failed to XXX:XXX (XXX)
> [Thu Mar 12 05:37:57.789171 2020] [proxy:error] [pid 26426:tid 22] [client
> XXX:XXX] AH00898: Error during SSL Handshake with remote server
> returned by /XXX

In this case the SSL handshake with the backend server failed for some reason.

Regards

Rüdiger

On 15.04.2020 6:47, Ruediger Pluem wrote:
>
>
> On 4/14/20 10:02 PM, Petr Sumbera wrote:
>> Hi,
>>
>> we have got several reports similar to:
>>
>> https://bz.apache.org/bugzilla/show_bug.cgi?id=63229
>>
>> One is:
>>
>> Tue Feb 25 09:17:53.486933 2020] [proxy_http:error] [pid 27500:tid 9]
>> (20014)Internal error (specific information not available): [client
>> XXX:XXX] AH01102: error reading status line from remote server
>> XXX:XXX
>
>
> Difficult to say what the real root cause is. May require further log lines, probably at higher log levels.
> So if you don't have them and you cannot reproduce it, it likely remains unresolved.

Below is more verbose log output.

[authz_core:debug] [pid x:tid y] mod_authz_core.c(817): [client c]
AH01626: authorization result of Require ip c d e f g: granted
[authz_core:debug] [pid x:tid y] mod_authz_core.c(817): [client c]
AH01626: authorization result of <RequireAny>: granted
[proxy:debug] [pid x:tid y] mod_proxy.c(1247): [client c] AH01143:
Running scheme https handler (attempt 0)
[proxy:debug] [pid x:tid y] proxy_util.c(2325): AH00942: HTTPS: has
acquired connection for (SER_NAME)
[proxy:debug] [pid x:tid y] proxy_util.c(2379): [client c] AH00944:
connecting https://SER_NAME/PATH to SER_NAME_2:443
[proxy:debug] [pid x:tid y] proxy_util.c(2588): [client c] AH00947:
connected /PATH to SER_NAME:443
[proxy:debug] [pid x:tid y] proxy_util.c(2889): AH00951: HTTPS: backend
socket is disconnected.
[proxy:debug] [pid x:tid y] proxy_util.c(3054): AH02824: HTTPS:
connection established with SER_IP:PORT (SER_NAME)
[proxy:debug] [pid x:tid y] proxy_util.c(3240): AH00962: HTTPS:
connection complete to SER_IP:PORT (SER_NAME)
[ssl:info] [pid x:tid y] [remote SER_IP:PORT] AH01964: Connection to
child 0 established (server SER_NAME_3:PORT)
[ssl:info] [pid x:tid y] [remote SER_IP:PORT] AH02003: SSL Proxy connect
failed
[ssl:info] [pid x:tid y] [remote SER_IP:PORT] AH01998: Connection closed
to child 0 with abortive shutdown (server SER_NAME_3:PORT)
[ssl:info] [pid x:tid y] [remote SER_IP:PORT] AH01997: SSL handshake
failed: sending 502
[proxy:error] [pid x:tid y] (20014)Internal error (specific information
not available): [client c] AH01084: pass request body failed to
SER_IP:PORT (SER_NAME)
[proxy:error] [pid x:tid y] [client c] AH00898: Error during SSL
Handshake with remote server returned by /PATH
[proxy_http:error] [pid x:tid y] [client c] AH01097: pass request body
failed to SER_IP:PORT (SER_NAME) from c ()
[proxy:debug] [pid x:tid y] proxy_util.c(2340): AH00943: HTTPS: has
released connection for (SER_NAME)

---

I have found similar report is being reported for example here:

https://serverfault.com/questions/966555/apache-ah01997-ssl-handshake-failed-sending-502

Any idea?

Thanks!

Petr

On 6/12/20 2:24 PM, Petr Sumbera wrote:
> On 15.04.2020 6:47, Ruediger Pluem wrote:
>>
>>
>> On 4/14/20 10:02 PM, Petr Sumbera wrote:
>>> Hi,
>>>
>>> we have got several reports similar to:
>>>
>>> https://bz.apache.org/bugzilla/show_bug.cgi?id=63229
>>>
>>> One is:
>>>
>>> Tue Feb 25 09:17:53.486933 2020] [proxy_http:error] [pid 27500:tid 9]
>>> (20014)Internal error (specific information not available): [client
>>> XXX:XXX] AH01102: error reading status line from remote server
>>> XXX:XXX
>>
>>
>> Difficult to say what the real root cause is. May require further log lines, probably at higher log levels.
>> So if you don't have them and you cannot reproduce it, it likely remains unresolved.
>
> Below is more verbose log output.
>
> [authz_core:debug] [pid x:tid y] mod_authz_core.c(817): [client c] AH01626: authorization result of Require ip c d e f g: granted
> [authz_core:debug] [pid x:tid y] mod_authz_core.c(817): [client c] AH01626: authorization result of <RequireAny>: granted
> [proxy:debug] [pid x:tid y] mod_proxy.c(1247): [client c] AH01143: Running scheme https handler (attempt 0)
> [proxy:debug] [pid x:tid y] proxy_util.c(2325): AH00942: HTTPS: has acquired connection for (SER_NAME)
> [proxy:debug] [pid x:tid y] proxy_util.c(2379): [client c] AH00944: connecting https://SER_NAME/PATH to SER_NAME_2:443
> [proxy:debug] [pid x:tid y] proxy_util.c(2588): [client c] AH00947: connected /PATH to SER_NAME:443
> [proxy:debug] [pid x:tid y] proxy_util.c(2889): AH00951: HTTPS: backend socket is disconnected.
> [proxy:debug] [pid x:tid y] proxy_util.c(3054): AH02824: HTTPS: connection established with SER_IP:PORT (SER_NAME)
> [proxy:debug] [pid x:tid y] proxy_util.c(3240): AH00962: HTTPS: connection complete to SER_IP:PORT (SER_NAME)
> [ssl:info] [pid x:tid y] [remote SER_IP:PORT] AH01964: Connection to child 0 established (server SER_NAME_3:PORT)
> [ssl:info] [pid x:tid y] [remote SER_IP:PORT] AH02003: SSL Proxy connect failed
> [ssl:info] [pid x:tid y] [remote SER_IP:PORT] AH01998: Connection closed to child 0 with abortive shutdown (server SER_NAME_3:PORT)
> [ssl:info] [pid x:tid y] [remote SER_IP:PORT] AH01997: SSL handshake failed: sending 502
> [proxy:error] [pid x:tid y] (20014)Internal error (specific information not available): [client c] AH01084: pass request body
> failed to SER_IP:PORT (SER_NAME)
> [proxy:error] [pid x:tid y] [client c] AH00898: Error during SSL Handshake with remote server returned by /PATH
> [proxy_http:error] [pid x:tid y] [client c] AH01097: pass request body failed to SER_IP:PORT (SER_NAME) from c ()
> [proxy:debug] [pid x:tid y] proxy_util.c(2340): AH00943: HTTPS: has released connection for (SER_NAME)
>
> ---
>
> I have found similar report is being reported for example here:
>
> https://serverfault.com/questions/966555/apache-ah01997-ssl-handshake-failed-sending-502
>
> Any idea?

Please check if this is the same as https://bz.apache.org/bugzilla/show_bug.cgi?id=64437

Regards

Rüdiger