Dell EMC Unity: Не удалось получить технические рекомендации с настроенным прокси (исправляется пользователем)
Riepilogo: Ошибки при получении технических рекомендаций
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Sintomi
При попытке получения технических рекомендаций из Unisphere появляется следующее сообщение об ошибке:
There was an error when retrieving catalog from Dell EMC through configured proxy (Error Code:0x6400bda)'
EMCSystemLogFile.log shows the following:
2021-01-28T17:09:09.974Z" "xxx_spb@APM00123456789" "Neo_CEM" "17037" "local/admin" "WARN" "14:380012" :: "Failed to get technical advisory with configured proxy http://proxy.FQDN.com:8080." :: Category=User Component=EmcSupportServices TimeZone=UTC
The curl command to check connectivity to the Proxy server is failing:
# curl -X POST https://colu.emc.com:443/soap/rpc -H "Content-Type: text/xml;charset=UTF-8" -H "SOAPAction:" -v
Hostname was NOT found in DNS cache
Could not resolve host: colu.emc.com
Closing connection 0
curl: (6) Could not resolve host: colu.emc.com
Adding the proxy server to the curl command succeeds.
# curl -x "http://<proxy.server.url>.com:8080" -X POST https://colu.emc.com:443/soap/rpc -H "Content-Type: text/xml;charset=UTF-8" -H "SOAPAction:" -v
* Hostname was NOT found in DNS cache
* Trying 10.1.1.1... (proxy server IP)
* Connected to <proxy.server.url>.com (10.1.1.1) port 8080 (#0)
* Establish HTTP proxy tunnel to colu.emc.com:443
> CONNECT colu.emc.com:443 HTTP/1.1
> Host: colu.emc.com:443
> User-Agent: curl/7.37.0
> Proxy-Connection: Keep-Alive
<--snip-->
(see the full output in the Notes)
There was an error when retrieving catalog from Dell EMC through configured proxy (Error Code:0x6400bda)'
EMCSystemLogFile.log shows the following:
2021-01-28T17:09:09.974Z" "xxx_spb@APM00123456789" "Neo_CEM" "17037" "local/admin" "WARN" "14:380012" :: "Failed to get technical advisory with configured proxy http://proxy.FQDN.com:8080." :: Category=User Component=EmcSupportServices TimeZone=UTC
The curl command to check connectivity to the Proxy server is failing:
# curl -X POST https://colu.emc.com:443/soap/rpc -H "Content-Type: text/xml;charset=UTF-8" -H "SOAPAction:" -v
Hostname was NOT found in DNS cache
Could not resolve host: colu.emc.com
Closing connection 0
curl: (6) Could not resolve host: colu.emc.com
Adding the proxy server to the curl command succeeds.
# curl -x "http://<proxy.server.url>.com:8080" -X POST https://colu.emc.com:443/soap/rpc -H "Content-Type: text/xml;charset=UTF-8" -H "SOAPAction:" -v
* Hostname was NOT found in DNS cache
* Trying 10.1.1.1... (proxy server IP)
* Connected to <proxy.server.url>.com (10.1.1.1) port 8080 (#0)
* Establish HTTP proxy tunnel to colu.emc.com:443
> CONNECT colu.emc.com:443 HTTP/1.1
> Host: colu.emc.com:443
> User-Agent: curl/7.37.0
> Proxy-Connection: Keep-Alive
<--snip-->
(see the full output in the Notes)
Causa
В этом случае клиент не разрешает прямой доступ к DNS-серверу и использует только прокси-сервер для выхода. Причина этой проблемы заключается в том, что соединение между colu.emc.com и прокси-сервером было закрыто до завершения передачи данных между Unity и прокси-сервером. Это связано с тем, как cURL управляет соединениями.
Risoluzione
Исправление
Исправление этой проблемы будет включено в следующий выпуск операционной среды Dell EMC Unity. Следите за обновлениями в этой статье базы знаний.
Временное решение
Не используйте прокси-сервер для получения технических рекомендаций и не устанавливайте временный обход для Unisphere до тех пор, пока не будет выпущен код, который устраняет эту проблему.
Исправление этой проблемы будет включено в следующий выпуск операционной среды Dell EMC Unity. Следите за обновлениями в этой статье базы знаний.
Временное решение
Не используйте прокси-сервер для получения технических рекомендаций и не устанавливайте временный обход для Unisphere до тех пор, пока не будет выпущен код, который устраняет эту проблему.
Informazioni aggiuntive
При добавлении URL-адреса прокси-сервера в команду cURL происходит следующее:
# curl -x "http://<proxy.server.url>.com:8080" -X POST https://colu.emc.com:443/soap/rpc -H "Content-Type: text/xml;charset=UTF-8" -H "SOAPAction:" -v
* Hostname was NOT found in DNS cache
* Trying 10.1.1.1... (proxy server IP)
* Connected to <proxy.server.url>.com (10.1.1.1) port 8080 (#0)
* Establish HTTP proxy tunnel to colu.emc.com:443
> CONNECT colu.emc.com:443 HTTP/1.1
> Host: colu.emc.com:443
> User-Agent: curl/7.37.0
> Proxy-Connection: Keep-Alive
>
< HTTP/1.1 200 Connection established
<
* Proxy replied OK to CONNECT request
* successfully set certificate verify locations:
* CAfile: none
CApath: /etc/ssl/certs/
* SSLv3, TLS handshake, Client hello (1):
* SSLv3, TLS handshake, Server hello (2):
* SSLv3, TLS handshake, Certificate (11):
* SSLv3, TLS handshake, Server key exchange (12):
* SSLv3, TLS handshake, Server finished (14):
* SSLv3, TLS handshake, Client key exchange (16):
* SSLv3, TLS change cipher, Client hello (1):
* SSLv3, TLS handshake, Finished (20):
* SSLv3, TLS change cipher, Client hello (1):
* SSLv3, TLS handshake, Finished (20):
* SSL connection using TLSv1.2 / ECDHE-RSA-AES256-GCM-SHA384
* Server certificate:
* subject: C=US; ST=Texas; L=Round Rock; O=Dell; CN=colu.emc.com
* start date: 2020-08-25 03:21:00 GMT
* expire date: 2022-08-25 03:21:00 GMT
* subjectAltName: colu.emc.com matched
* issuer: C=US; O=Entrust, Inc.; OU=See www.entrust.net/legal-terms; OU=(c) 2012 Entrust, Inc. - for authorized use only; CN=Entrust Certification Authority - L1K
* SSL certificate verify ok.
# curl -x "http://<proxy.server.url>.com:8080" -X POST https://colu.emc.com:443/soap/rpc -H "Content-Type: text/xml;charset=UTF-8" -H "SOAPAction:" -v
* Hostname was NOT found in DNS cache
* Trying 10.1.1.1... (proxy server IP)
* Connected to <proxy.server.url>.com (10.1.1.1) port 8080 (#0)
* Establish HTTP proxy tunnel to colu.emc.com:443
> CONNECT colu.emc.com:443 HTTP/1.1
> Host: colu.emc.com:443
> User-Agent: curl/7.37.0
> Proxy-Connection: Keep-Alive
>
< HTTP/1.1 200 Connection established
<
* Proxy replied OK to CONNECT request
* successfully set certificate verify locations:
* CAfile: none
CApath: /etc/ssl/certs/
* SSLv3, TLS handshake, Client hello (1):
* SSLv3, TLS handshake, Server hello (2):
* SSLv3, TLS handshake, Certificate (11):
* SSLv3, TLS handshake, Server key exchange (12):
* SSLv3, TLS handshake, Server finished (14):
* SSLv3, TLS handshake, Client key exchange (16):
* SSLv3, TLS change cipher, Client hello (1):
* SSLv3, TLS handshake, Finished (20):
* SSLv3, TLS change cipher, Client hello (1):
* SSLv3, TLS handshake, Finished (20):
* SSL connection using TLSv1.2 / ECDHE-RSA-AES256-GCM-SHA384
* Server certificate:
* subject: C=US; ST=Texas; L=Round Rock; O=Dell; CN=colu.emc.com
* start date: 2020-08-25 03:21:00 GMT
* expire date: 2022-08-25 03:21:00 GMT
* subjectAltName: colu.emc.com matched
* issuer: C=US; O=Entrust, Inc.; OU=See www.entrust.net/legal-terms; OU=(c) 2012 Entrust, Inc. - for authorized use only; CN=Entrust Certification Authority - L1K
* SSL certificate verify ok.
Prodotti interessati
Dell EMC Unity FamilyProprietà dell'articolo
Numero articolo: 000182700
Tipo di articolo: Solution
Ultima modifica: 19 ago 2021
Versione: 3
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