Cannot add vertex

Symptoms

Cannot add vertex.

Error Messages

Architecture image

The issue is that the user cannot add vertex into the existing Graph (either through GUI / GSQL). There is an error attached. even when the graph has been deleted or when the user created a new graph, the issue still persists. The user also tried to restart all the services, but also the issue still persists. Right now all the services are up.

Diagnosis

Check the date between two nodes. We can found that m2 is 3 mins behind m1.The graph only existed in m1.

Workaround

grun all “date”

If the date are out of sync then: Centos:

sudo chronyc -a makestep

Ubuntu:

sudo systemctl restart systemd-timesyncd