"pickfirstBalancer: failed to NewSubConn" error on pydio 3.01

linux OS
mysql 8
fresh install with few files added…
this appears in the open terminal window

ERROR: 2021/11/16 13:47:17 pickfirstBalancer: failed to NewSubConn: rpc error: code = Canceled desc = grpc: the client connection is closing

any thoughts on what this error may be from?

Jason

after several days using the new installation and monitoring the “parser” terminal window… I still see this error occasionally. Just wanted to know what it meant.

Jason

2021-11-21T15:35:16.831-0600	INFO	pydio.grpc.tasks	Run Job flush-mailer-queue on timer event Iso8601Schedule:"R/2012-06-04T19:25:16.828696-07:00/PT5M" 
2021-11-21T15:35:37.304-0600	INFO	pydio.rest.frontend	[WrapWithUserLocks] Resetting user failedConnections	{"UserName": "jasonmccullar"}
ERROR: 2021/11/21 15:35:38 pickfirstBalancer: failed to NewSubConn: rpc error: code = Canceled desc = grpc: the client connection is closing
ERROR: 2021/11/21 15:35:38 pickfirstBalancer: failed to NewSubConn: rpc error: code = Canceled desc = grpc: the client connection is closing
2021-11-21T15:36:32.679-0600	INFO		Stored mime type for node	{"NodeUuid": "ad9a11d5-64e3-4864-9ef7-e1f5bec421c8", "NodePath": "personal/jasonmccullar/deletemepleasecopy.ods", "mime": "application/zip"}
2021-11-21T15:36:35.685-0600	INFO	pydio.grpc.search	Flushing search batch	{"size": 1}
2021-11-21T15:37:24.584-0600	INFO	pydio.rest.tree	Deletion: moving [personal-files/deletemepleasecopy.ods] to recycle bin personal/jasonmccullar/recycle_bin
2021-11-21T15:37:24.640-0600	INFO	pydio.rest.tree	Recycle bin created before launching move task	{"NodePath": "personal/jasonmccullar/recycle_bin"}
2021-11-21T15:37:24.658-0600	INFO	pydio.grpc.tasks	Run Job copy-move-e7974bc3-7a9e-4835-be43-1e265737f4b4 on demand
2021-11-21T15:37:27.728-0600	INFO	pydio.grpc.search	Flushing search batch	{"size": 2}
2021-11-21T15:37:28.320-0600	INFO	pydio.rest.tree	Deletion: moving [personal-files/deletemeplease.ods] to recycle bin personal/jasonmccullar/recycle_bin
2021-11-21T15:37:28.362-0600	INFO	pydio.grpc.tasks	Run Job copy-move-e6a223de-299d-456d-93f4-9e9eaebbe371 on demand
2021-11-21T15:37:31.412-0600	INFO	pydio.grpc.search	Flushing search batch	{"size": 1}
2021-11-21T15:38:16.830-0600	INFO	pydio.grpc.tasks	Run Job internal-prune-jobs on timer event Iso8601Schedule:"R/2012-06-04T19:25:16.828696-07:03/PT10M" 
2021-11-21T15:38:16.849-0600	INFO	pydio.grpc.jobs	Deleting AutoClean Job copy-move-e6a223de-299d-456d-93f4-9e9eaebbe371	{"OperationUuid": "internal-prune-jobs-bab955c9"}
2021-11-21T15:38:16.853-0600	INFO	pydio.grpc.jobs	Deleting AutoClean Job copy-move-e7974bc3-7a9e-4835-be43-1e265737f4b4	{"OperationUuid": "internal-prune-jobs-bab955c9"}
2021-11-21T15:38:55.014-0600	INFO	pydio.grpc.search	Flushing search batch	{"size": 1}
2021-11-21T15:40:16.830-0600	INFO	pydio.grpc.tasks	Run Job users-activity-digest on timer event Iso8601Schedule:"R/2012-06-04T19:25:16.828696-07:00/PT15M" 
2021-11-21T15:40:16.831-0600	INFO	pydio.grpc.tasks	Run Job flush-mailer-queue on timer event Iso8601Schedule:"R/2012-06-04T19:25:16.828696-07:00/PT5M" 
2021-11-21T15:42:05.854-0600	INFO	pydio.grpc.search	Flushing search batch	{"size": 1}
ERROR: 2021/11/21 15:42:10 pickfirstBalancer: failed to NewSubConn: rpc error: code = Canceled desc = grpc: the client connection is closing
2021-11-21T15:42:59.584-0600	INFO		Stored mime type for node	{"NodeUuid": "0bf73948-06ed-4125-b58b-397f7b26c131", "NodePath": "personal/jasonmccullar/Untitled Document.xlsx", "mime": "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet"}
2021-11-21T15:43:02.593-0600	INFO	pydio.grpc.search	Flushing search batch	{"size": 1}
2021-11-21T15:45:16.831-0600	INFO	pydio.grpc.tasks	Run Job flush-mailer-queue on timer event Iso8601Schedule:"R/2012-06-04T19:25:16.828696-07:00/PT5M" 

here is a sample from the parser showing the errors still continuing.
This is a localhost implementation for personal use and its behind a firewall and a VPN … so im not the least worried about security…

I do want to know what the recurring error is though.
11.21.2021 3.50pm CST

Hi jason, we’ve spotted the error on some servers as well. Still investigating, not really straightforward but does not seem to be really impacting for now.

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