Upgrade: Service 'projector' exited with status 2 in mix mode cluster

Service 'projector' exited with status 2. Restarting. Messages:

2018/12/27 01:02:54 revrpc: Got error (EOF) and will retry in 1s

2018-12-27T01:02:54.460-08:00 [Error] GetSettingsConfig() failed: Get http://127.0.0.1:8091/_metakv/indexing/settings/config: CBAuth database is stale: last reason: EOF

panic: Get http://127.0.0.1:8091/_metakv/indexing/settings/config: CBAuth database is stale: last reason: EOF

goroutine 1 [running]:

panic(0xaba7e0, 0xc420110ae0)

/home/couchbase/.cbdepscache/exploded/x86_64/go-1.7.6/go/src/runtime/panic.go:500 +0x1a1

github.com/couchbase/indexing/secondary/common.CrashOnError(0x1259200, 0xc420110ae0)

goproj/src/github.com/couchbase/indexing/secondary/common/util.go:406 +0x5c

github.com/couchbase/indexing/secondary/projector.NewProjector(0x400, 0xc4202580f0, 0xc420163e88)

goproj/src/github.com/couchbase/indexing/secondary/projector/projector.go:54 +0x177

main.main()

goproj/src/github.com/couchbase/indexing/secondary/cmd/projector/main.go:111 +0x70d

[gopor ...showns_log 000ns_1@172.23.121.261:02:54 AM   Thu Dec 27, 2018