I have the same problem with a WU not uploading for almost 2 days now. The work server is 140.163.4.231, which is an IP i saw at least twice in this thread. Is there a way to check server health or anything like that?
*********************** Log Started 2020-04-04T22:48:30Z ***********************
22:48:30:WU02:FS01:Sending unit results: id:02 state:SEND error:NO_ERROR project:11748 run:0 clone:7982 gen:1 core:0x22 unit:0x000000038ca304e75e6bb216e088896c
22:48:30:WU02:FS01:Uploading 12.60MiB to 140.163.4.231
22:48:30:WU02:FS01:Connecting to 140.163.4.231:8080
22:50:10:WU02:FS01:Upload 0.99%
22:50:10:WARNING:WU02:FS01:Exception: Failed to send results to work server: Transfer failed
22:50:10:WU02:FS01:Sending unit results: id:02 state:SEND error:NO_ERROR project:11748 run:0 clone:7982 gen:1 core:0x22 unit:0x000000038ca304e75e6bb216e088896c
22:50:10:WU02:FS01:Uploading 12.60MiB to 140.163.4.231
22:50:10:WU02:FS01:Connecting to 140.163.4.231:8080
22:50:32:WU02:FS01:Upload 0.99%
22:50:32:WARNING:WU02:FS01:Exception: Failed to send results to work server: Transfer failed
22:51:47:WU02:FS01:Sending unit results: id:02 state:SEND error:NO_ERROR project:11748 run:0 clone:7982 gen:1 core:0x22 unit:0x000000038ca304e75e6bb216e088896c
22:51:47:WU02:FS01:Uploading 12.60MiB to 140.163.4.231
22:51:47:WU02:FS01:Connecting to 140.163.4.231:8080
22:52:08:WARNING:WU02:FS01:WorkServer connection failed on port 8080 trying 80
22:52:08:WU02:FS01:Connecting to 140.163.4.231:80
22:52:09:WU02:FS01:Upload 0.50%
22:53:23:WU02:FS01:Upload 0.99%
22:53:24:WARNING:WU02:FS01:Exception: Failed to send results to work server: Transfer failed
22:54:24:WU02:FS01:Sending unit results: id:02 state:SEND error:NO_ERROR project:11748 run:0 clone:7982 gen:1 core:0x22 unit:0x000000038ca304e75e6bb216e088896c
22:54:24:WU02:FS01:Uploading 12.60MiB to 140.163.4.231
22:54:24:WU02:FS01:Connecting to 140.163.4.231:8080
22:56:04:WU02:FS01:Upload 0.99%
22:56:04:WARNING:WU02:FS01:Exception: Failed to send results to work server: Transfer failed
22:58:39:WU02:FS01:Sending unit results: id:02 state:SEND error:NO_ERROR project:11748 run:0 clone:7982 gen:1 core:0x22 unit:0x000000038ca304e75e6bb216e088896c
22:58:39:WU02:FS01:Uploading 12.60MiB to 140.163.4.231
22:58:39:WU02:FS01:Connecting to 140.163.4.231:8080
22:59:00:WARNING:WU02:FS01:WorkServer connection failed on port 8080 trying 80
22:59:00:WU02:FS01:Connecting to 140.163.4.231:80
22:59:21:WARNING:WU02:FS01:Exception: Failed to send results to work server: Failed to connect to 140.163.4.231:80: Ein Verbindungsversuch ist fehlgeschlagen, da die Gegenstelle nach einer bestimmten Zeitspanne nicht richtig reagiert hat, oder die hergestellte Verbindung war fehlerhaft, da der verbundene Host nicht reagiert hat.