[pgpool-general: 7658] unable to read data from DB node 0 Errors

[sbob]

All;


Any ideas why we would see these errors in the pgpool output / log?


2021-08-05 00:16:08: pid 1752: LOG: find_primary_node_repeatedly: 
waiting for finding a primary node
2021-08-05 00:16:08: pid 1785: DEBUG:  initializing backend status
2021-08-05 00:16:08: pid 1752: DEBUG:  authenticate kind = 0
2021-08-05 00:16:08: pid 1752: ERROR:  unable to read data from DB node 0
2021-08-05 00:16:08: pid 1752: DETAIL:  EOF encountered with backend
2021-08-05 00:16:08: pid 1752: LOG:  find_primary_node: 
make_persistent_db_connection_noerror failed on node 0
2021-08-05 00:16:08: pid 1752: DEBUG:  verify_backend_node_status: 
there's no primary node
2021-08-05 00:16:09: pid 1752: DEBUG:  authenticate kind = 0
2021-08-05 00:16:09: pid 1752: ERROR:  unable to read data from DB node 0
2021-08-05 00:16:09: pid 1752: DETAIL:  EOF encountered with backend
2021-08-05 00:16:09: pid 1752: LOG:  find_primary_node: 
make_persistent_db_connection_noerror failed on node 0
2021-08-05 00:16:09: pid 1752: DEBUG:  verify_backend_node_status: 
there's no primary node
2021-08-05 00:16:10: pid 1752: DEBUG:  authenticate kind = 0
2021-08-05 00:16:10: pid 1752: ERROR:  unable to read data from DB node 0
2021-08-05 00:16:10: pid 1752: DETAIL:  EOF encountered with backend
2021-08-05 00:16:10: pid 1752: LOG:  find_primary_node: 
make_persistent_db_connection_noerror failed on node 0
2021-08-05 00:16:10: pid 1752: DEBUG:  verify_backend_node_status: 
there's no primary node
2021-08-05 00:16:11: pid 1752: DEBUG:  authenticate kind = 0
2021-08-05 00:16:11: pid 1752: ERROR:  unable to read data from DB node 0
2021-08-05 00:16:11: pid 1752: DETAIL:  EOF encountered with backend
2021-08-05 00:16:11: pid 1752: LOG:  find_primary_node: 
make_persistent_db_connection_noerror failed on node 0
2021-08-05 00:16:11: pid 1752: DEBUG:  verify_backend_node_status: 
there's no primary node
2021-08-05 00:16:12: pid 1752: DEBUG:  authenticate kind = 0
2021-08-05 00:16:12: pid 1752: ERROR:  unable to read data from DB node 0
2021-08-05 00:16:12: pid 1752: DETAIL:  EOF encountered with backend