RE: ClusterGroupEmptyException: Topology projection is empty.
[33m[2020.09.08 21:19:28.898] [WARN ] [o.a.i.i.p.r.h.t.GridTaskCommandHandler] Failed to execute task due to topology issues (are all mapped nodes alive?) [name=o.a.i.i.v.compute.VisorGatewayTask, clientId=null, err=class o.a.i.IgniteCheckedException: Failed to reduce job results due to undeclared user exception [task=o.a.i.i.v.compute.VisorGatewayTask@6eb42aa, err=class o.a.i.cluster.ClusterGroupEmptyException: Topology projection is empty.]]
Well, it’s the VisorNodeConfigurationCollectorTask that’s trying to execute, but failed cause the server is not ready.
Do you use the Visor for cluster monitoring? I think it’s fine to ignore it, but it’s worth understanding what’s launching it.
From: [hidden email] Sent: Wednesday, September 9, 2020 2:48 AM To: [hidden email] Subject: Re: ClusterGroupEmptyException: Topology projection is empty.