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Gustav Yegorov
Gustav Yegorov

Socket Error Getaddrinfo Temporary Failure In Name Resolution



This is usually a name resolution error and shows that your DNS server cannot resolve the domain names into their respective IP addresses. This can present a grave challenge as you will not be able to update, upgrade, or even install any software packages on your Linux system.




Socket Error Getaddrinfo Temporary Failure In Name Resolution



The "Temporary failure in name resolution" error occurs when the system cannot translate a website name into an IP address. While the error sometimes appears due to a lost internet connection, there are multiple reasons why it may show up on your system.


I have got this error in /logs Job exception: getaddrinfo: Temporary failure in name resolutionAnd this in Sidekiq Jobs::HandledExceptionWrapper: Wrapped SocketError: getaddrinfo: Temporary failure in name resolution


but unfortunately if i try to send a testmail i get this erro message: An error occurred while sending mail (getaddrinfo: Temporary failure in name resolution)That is my Environment: Redmine version 2.2.3.stable.11369 Ruby version 1.9.3 (x86_64-linux) Rails version 3.2.12 Environment production Database adapter Mysql2Redmine plugins: no plugin installed


Sending Email via SMTP Failed to connect to smtp.gmail.com:587 [SMTP: Failed to connect socket: php_network_getaddresses: getaddrinfo failed: Temporary failure in name resolution (code: -1, response: )]


This looks like a DNS issue (failure) on the web server. If you open a command prompt on your server can you nslookup the mailserver name?Or you can try to telnet to the mailserver and see if you get a similar error.


Hi,We are encountering the same issue.For isntance it happend 9 times in the last 3 hours.What we experiance is:The container stoped for some reason (error in code or something) and then the fleetctl start the unit again.In the unit it asks for the latest image on docker hub.Then the error in journalctl is:docker[26369]: Get : dial tcp: lookup index.docker.io: Temporary failure in name resolution


It produced this output:Saving debug log to /var/log/letsencrypt/letsencrypt.logPlugins selected: Authenticator webroot, Installer NoneAn unexpected error occurred:Traceback (most recent call last):File "/usr/lib/python3/dist-packages/urllib3/connection.py", line 159, in _new_connconn = connection.create_connection(File "/usr/lib/python3/dist-packages/urllib3/util/connection.py", line 61, in create_connectionfor res in socket.getaddrinfo(host, port, family, socket.SOCK_STREAM):File "/usr/lib/python3.8/socket.py", line 918, in getaddrinfofor res in _socket.getaddrinfo(host, port, family, type, proto, flags):socket.gaierror: [Errno -3] Temporary failure in name resolution


Traceback (most recent call last):File "/usr/lib/python3/dist-packages/urllib3/connectionpool.py", line 665, in urlopenhttplib_response = self._make_request(File "/usr/lib/python3/dist-packages/urllib3/connectionpool.py", line 376, in _make_requestself._validate_conn(conn)File "/usr/lib/python3/dist-packages/urllib3/connectionpool.py", line 996, in _validate_connconn.connect()File "/usr/lib/python3/dist-packages/urllib3/connection.py", line 314, in connectconn = self._new_conn()File "/usr/lib/python3/dist-packages/urllib3/connection.py", line 171, in _new_connraise NewConnectionError(urllib3.exceptions.NewConnectionError: : Failed to establish a new connection: [Errno -3] Temporary failure in name resolution


Traceback (most recent call last):File "/usr/lib/python3/dist-packages/requests/adapters.py", line 439, in sendresp = conn.urlopen(File "/usr/lib/python3/dist-packages/urllib3/connectionpool.py", line 719, in urlopenretries = retries.increment(File "/usr/lib/python3/dist-packages/urllib3/util/retry.py", line 436, in incrementraise MaxRetryError(_pool, url, error or ResponseError(cause))urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='acme-v02.api.letsencrypt.org', port=443): Max retries exceeded with url: /directory (Caused by NewConnectionError(': Failed to establish a new connection: [Errno -3] Temporary failure in name resolution'))


requests.exceptions.ConnectionError: HTTPSConnectionPool(host='acme-v02.api.letsencrypt.org', port=443): Max retries exceeded with url: /directory (Caused by NewConnectionError(': Failed to establish a new connection: [Errno -3] Temporary failure in name resolution'))Please see the logfiles in /var/log/letsencrypt for more details.


Any failure to resolve a DNS name results in bzr declaring it has hit an internal error, dumping a traceback and asking the user to report a bug. Bzr should catch the socket.gaierror exception and turn them into a less severe message as there is nothing bzr can do to resolve the situation in most cases.


During installation from the ISO, I was able to connect to my access point without an issue using wifi-menu. After installation however, I'm getting the same Temporary failure in name resolution error when I try to ping.


Action:Actions::Katello::Repository::ErrataMailInput:"repo"=>3, "last_updated"=>"2015-08-12 12:32:25 -0400", "locale"=>"en"Output:Exception:SocketError: getaddrinfo: Temporary failure in name resolutionBacktrace:/opt/rh/ruby193/root/usr/share/ruby/net/smtp.rb:540:in `initialize'/opt/rh/ruby193/root/usr/share/ruby/net/smtp.rb:540:in `open'/opt/rh/ruby193/root/usr/share/ruby/net/smtp.rb:540:in `tcp_socket'/opt/rh/ruby193/root/usr/share/ruby/net/smtp.rb:549:in `block in do_start'/opt/rh/ruby193/root/usr/share/ruby/timeout.rb:69:in `timeout'/opt/rh/ruby193/root/usr/share/ruby/timeout.rb:100:in `timeout'/opt/rh/ruby193/root/usr/share/ruby/net/smtp.rb:549:in `do_start'/opt/rh/ruby193/root/usr/share/ruby/net/smtp.rb:519:in `start'/opt/rh/ruby193/root/usr/share/gems/gems/mail-2.4.4/lib/mail/network/delivery_methods/smtp.rb:144:in `deliver!'/opt/rh/ruby193/root/usr/share/gems/gems/mail-2.4.4/lib/mail/message.rb:2034:in `do_delivery'/opt/rh/ruby193/root/usr/share/gems/gems/mail-2.4.4/lib/mail/message.rb:229:in `block in deliver'/opt/rh/ruby193/root/usr/share/gems/gems/actionmailer-3.2.8/lib/action_mailer/base.rb:415:in `block in deliver_mail'/opt/rh/ruby193/root/usr/share/gems/gems/activesupport-3.2.8/lib/active_support/notifications.rb:123:in `block in instrument'/opt/rh/ruby193/root/usr/share/gems/gems/activesupport-3.2.8/lib/active_support/notifications/instrumenter.rb:20:in `instrument'/opt/rh/ruby193/root/usr/share/gems/gems/activesupport-3.2.8/lib/active_support/notifications.rb:123:in `instrument'/opt/rh/ruby193/root/usr/share/gems/gems/actionmailer-3.2.8/lib/action_mailer/base.rb:413:in `deliver_mail'/opt/rh/ruby193/root/usr/share/gems/gems/mail-2.4.4/lib/mail/message.rb:229:in `deliver'/usr/share/foreman/app/models/mail_notification.rb:39:in `block in deliver'/usr/share/foreman/app/models/mail_notification.rb:38:in `each'/usr/share/foreman/app/models/mail_notification.rb:38:in `deliver'/opt/rh/ruby193/root/usr/share/gems/gems/katello-2.2.0.65/app/lib/actions/katello/repository/errata_mail.rb:29:in `run'/opt/rh/ruby193/root/usr/share/gems/gems/dynflow-0.7.7.9/lib/dynflow/action.rb:487:in `block (3 levels) in execute_run'/opt/rh/ruby193/root/usr/share/gems/gems/dynflow-0.7.7.9/lib/dynflow/middleware/stack.rb:26:in `call'/opt/rh/ruby193/root/usr/share/gems/gems/dynflow-0.7.7.9/lib/dynflow/middleware/stack.rb:26:in `pass'/opt/rh/ruby193/root/usr/share/gems/gems/dynflow-0.7.7.9/lib/dynflow/middleware.rb:16:in `pass'/opt/rh/ruby193/root/usr/share/gems/gems/dynflow-0.7.7.9/lib/dynflow/action/progress.rb:30:in `with_progress_calculation'/opt/rh/ruby193/root/usr/share/gems/gems/dynflow-0.7.7.9/lib/dynflow/action/progress.rb:16:in `run'/opt/rh/ruby193/root/usr/share/gems/gems/dynflow-0.7.7.9/lib/dynflow/middleware/stack.rb:22:in `call'/opt/rh/ruby193/root/usr/share/gems/gems/dynflow-0.7.7.9/lib/dynflow/middleware/stack.rb:26:in `pass'/opt/rh/ruby193/root/usr/share/gems/gems/dynflow-0.7.7.9/lib/dynflow/middleware.rb:16:in `pass'/opt/rh/ruby193/root/usr/share/gems/gems/katello-2.2.0.65/app/lib/actions/middleware/keep_locale.rb:23:in `block in run'/opt/rh/ruby193/root/usr/share/gems/gems/katello-2.2.0.65/app/lib/actions/middleware/keep_locale.rb:34:in `with_locale'/opt/rh/ruby193/root/usr/share/gems/gems/katello-2.2.0.65/app/lib/actions/middleware/keep_locale.rb:23:in `run'/opt/rh/ruby193/root/usr/share/gems/gems/dynflow-0.7.7.9/lib/dynflow/middleware/stack.rb:22:in `call'/opt/rh/ruby193/root/usr/share/gems/gems/dynflow-0.7.7.9/lib/dynflow/middleware/world.rb:30:in `execute'/opt/rh/ruby193/root/usr/share/gems/gems/dynflow-0.7.7.9/lib/dynflow/action.rb:486:in `block (2 levels) in execute_run'/opt/rh/ruby193/root/usr/share/gems/gems/dynflow-0.7.7.9/lib/dynflow/action.rb:485:in `catch'/opt/rh/ruby193/root/usr/share/gems/gems/dynflow-0.7.7.9/lib/dynflow/action.rb:485:in `block in execute_run'/opt/rh/ruby193/root/usr/share/gems/gems/dynflow-0.7.7.9/lib/dynflow/action.rb:402:in `call'/opt/rh/ruby193/root/usr/share/gems/gems/dynflow-0.7.7.9/lib/dynflow/action.rb:402:in `block in with_error_handling'/opt/rh/ruby193/root/usr/share/gems/gems/dynflow-0.7.7.9/lib/dynflow/action.rb:402:in `catch'/opt/rh/ruby193/root/usr/share/gems/gems/dynflow-0.7.7.9/lib/dynflow/action.rb:402:in `with_error_handling'/opt/rh/ruby193/root/usr/share/gems/gems/dynflow-0.7.7.9/lib/dynflow/action.rb:480:in `execute_run'/opt/rh/ruby193/root/usr/share/gems/gems/dynflow-0.7.7.9/lib/dynflow/action.rb:262:in `execute'/opt/rh/ruby193/root/usr/share/gems/gems/dynflow-0.7.7.9/lib/dynflow/execution_plan/steps/abstract_flow_step.rb:9:in `block (2 levels) in execute'/opt/rh/ruby193/root/usr/share/gems/gems/dynflow-0.7.7.9/lib/dynflow/execution_plan/steps/abstract.rb:155:in `call'/opt/rh/ruby193/root/usr/share/gems/gems/dynflow-0.7.7.9/lib/dynflow/execution_plan/steps/abstract.rb:155:in `with_meta_calculation'/opt/rh/ruby193/root/usr/share/gems/gems/dynflow-0.7.7.9/lib/dynflow/execution_plan/steps/abstract_flow_step.rb:8:in `block in execute'/opt/rh/ruby193/root/usr/share/gems/gems/dynflow-0.7.7.9/lib/dynflow/execution_plan/steps/abstract_flow_step.rb:22:in `open_action'/opt/rh/ruby193/root/usr/share/gems/gems/dynflow-0.7.7.9/lib/dynflow/execution_plan/steps/abstract_flow_step.rb:7:in `execute'/opt/rh/ruby193/root/usr/share/gems/gems/dynflow-0.7.7.9/lib/dynflow/executors/parallel/worker.rb:20:in `block in on_message'/opt/rh/ruby193/root/usr/share/gems/gems/algebrick-0.4.0/lib/algebrick.rb:859:in `block in assigns'/opt/rh/ruby193/root/usr/share/gems/gems/algebrick-0.4.0/lib/algebrick.rb:858:in `tap'/opt/rh/ruby193/root/usr/share/gems/gems/algebrick-0.4.0/lib/algebrick.rb:858:in `assigns'/opt/rh/ruby193/root/usr/share/gems/gems/algebrick-0.4.0/lib/algebrick.rb:138:in `match_value'/opt/rh/ruby193/root/usr/share/gems/gems/algebrick-0.4.0/lib/algebrick.rb:116:in `block in match'/opt/rh/ruby193/root/usr/share/gems/gems/algebrick-0.4.0/lib/algebrick.rb:115:in `each'/opt/rh/ruby193/root/usr/share/gems/gems/algebrick-0.4.0/lib/algebrick.rb:115:in `match'/opt/rh/ruby193/root/usr/share/gems/gems/dynflow-0.7.7.9/lib/dynflow/executors/parallel/worker.rb:17:in `on_message'/opt/rh/ruby193/root/usr/share/gems/gems/dynflow-0.7.7.9/lib/dynflow/micro_actor.rb:82:in `on_envelope'/opt/rh/ruby193/root/usr/share/gems/gems/dynflow-0.7.7.9/lib/dynflow/micro_actor.rb:72:in `receive'/opt/rh/ruby193/root/usr/share/gems/gems/dynflow-0.7.7.9/lib/dynflow/micro_actor.rb:99:in `block (2 levels) in run'/opt/rh/ruby193/root/usr/share/gems/gems/dynflow-0.7.7.9/lib/dynflow/micro_actor.rb:99:in `loop'/opt/rh/ruby193/root/usr/share/gems/gems/dynflow-0.7.7.9/lib/dynflow/micro_actor.rb:99:in `block in run'/opt/rh/ruby193/root/usr/share/gems/gems/dynflow-0.7.7.9/lib/dynflow/micro_actor.rb:99:in `catch'/opt/rh/ruby193/root/usr/share/gems/gems/dynflow-0.7.7.9/lib/dynflow/micro_actor.rb:99:in `run'/opt/rh/ruby193/root/usr/share/gems/gems/dynflow-0.7.7.9/lib/dynflow/micro_actor.rb:13:in `block in initialize'/opt/rh/ruby193/root/usr/share/gems/gems/logging-1.8.1/lib/logging/diagnostic_context.rb:323:in `call'/opt/rh/ruby193/root/usr/share/gems/gems/logging-1.8.1/lib/logging/diagnostic_context.rb:323:in `block in create_with_logging_context'Action:Actions::Katello::Repository::ErrataMailInput:"repo"=>3, "last_updated"=>"2015-08-12 12:32:25 -0400", "locale"=>"en"Output:


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