Stack trace:
[2021/10/07 01:23:53.118] #<Thread:0x00005574ad3ddcc8@/data/mci/637652d91ea6b18aea0acca48c974a1e/astrolabe-src/mongo-ruby-driver/lib/mongo/background_thread.rb:112 run> terminated with exception (report_on_exception is true): [2021/10/07 01:23:53.118] /data/mci/637652d91ea6b18aea0acca48c974a1e/astrolabe-src/mongo-ruby-driver/lib/mongo/address.rb:236:in `getaddrinfo': getaddrinfo: Name or service not known (SocketError) [2021/10/07 01:23:53.118] from /data/mci/637652d91ea6b18aea0acca48c974a1e/astrolabe-src/mongo-ruby-driver/lib/mongo/address.rb:236:in `block in socket' [2021/10/07 01:23:53.118] from /data/mci/637652d91ea6b18aea0acca48c974a1e/astrolabe-src/mongo-ruby-driver/lib/mongo/address.rb:286:in `map_exceptions' [2021/10/07 01:23:53.118] from /data/mci/637652d91ea6b18aea0acca48c974a1e/astrolabe-src/mongo-ruby-driver/lib/mongo/address.rb:221:in `socket' [2021/10/07 01:23:53.118] from /data/mci/637652d91ea6b18aea0acca48c974a1e/astrolabe-src/mongo-ruby-driver/lib/mongo/server/monitor/connection.rb:163:in `block in connect!' [2021/10/07 01:23:53.118] from /data/mci/637652d91ea6b18aea0acca48c974a1e/astrolabe-src/mongo-ruby-driver/lib/mongo/server/connection_common.rb:146:in `add_server_diagnostics' [2021/10/07 01:23:53.118] from /data/mci/637652d91ea6b18aea0acca48c974a1e/astrolabe-src/mongo-ruby-driver/lib/mongo/server/monitor/connection.rb:162:in `connect!' [2021/10/07 01:23:53.118] from /data/mci/637652d91ea6b18aea0acca48c974a1e/astrolabe-src/mongo-ruby-driver/lib/mongo/server/push_monitor.rb:141:in `block in check' [2021/10/07 01:23:53.118] from /data/mci/637652d91ea6b18aea0acca48c974a1e/astrolabe-src/mongo-ruby-driver/lib/mongo/server/push_monitor.rb:137:in `synchronize' [2021/10/07 01:23:53.118] from /data/mci/637652d91ea6b18aea0acca48c974a1e/astrolabe-src/mongo-ruby-driver/lib/mongo/server/push_monitor.rb:137:in `check' [2021/10/07 01:23:53.118] from /data/mci/637652d91ea6b18aea0acca48c974a1e/astrolabe-src/mongo-ruby-driver/lib/mongo/server/push_monitor.rb:100:in `block in do_work' [2021/10/07 01:23:53.118] from /data/mci/637652d91ea6b18aea0acca48c974a1e/astrolabe-src/mongo-ruby-driver/lib/mongo/monitoring.rb:330:in `publish_heartbeat' [2021/10/07 01:23:53.118] from /data/mci/637652d91ea6b18aea0acca48c974a1e/astrolabe-src/mongo-ruby-driver/lib/mongo/server/push_monitor.rb:99:in `do_work' [2021/10/07 01:23:53.118] from /data/mci/637652d91ea6b18aea0acca48c974a1e/astrolabe-src/mongo-ruby-driver/lib/mongo/background_thread.rb:115:in `block (2 levels) in start!' [2021/10/07 01:23:53.118] from /data/mci/637652d91ea6b18aea0acca48c974a1e/astrolabe-src/mongo-ruby-driver/lib/mongo/background_thread.rb:113:in `catch' [2021/10/07 01:23:53.118] from /data/mci/637652d91ea6b18aea0acca48c974a1e/astrolabe-src/mongo-ruby-driver/lib/mongo/background_thread.rb:113:in `block in start!'
The driver should rescue this exception and continue working by either repeating the process in the same thread or creating a new monitor and thread.