[high-bucket] Panic in query logs for hight bucket density test

2019/10/07 02:10:10 http: panic serving 172.23.97.16:55062: runtime error: invalid memory address or nil pointer dereference

goroutine 4540 [running]:

net/http.(*conn).serve.func1(0xc002d86500)

        /home/couchbase/.cbdepscache/exploded/x86_64/go-1.11.4/go/src/net/http/server.go:1746 +0xd0

panic(0x1cfc080, 0x320d490)

        /home/couchbase/.cbdepscache/exploded/x86_64/go-1.11.4/go/src/runtime/panic.go:513 +0x1b9

github.com/couchbase/query/clustering/couchbase.(*cbConfigStore).doNameState(0xc00012e640, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0)

        /home/couchbase/jenkins/workspace/couchbase-server-unix/goproj/src/github.com/couchbase/query/clustering/couchbase/clustering_cb.go:304 +0x8db

github.com/couchbase/query/clustering/couchbase.(*cbConfigStore).WhoAmI(0xc00012e640, 0x0, 0x0, 0x0, 0xc003f52a50)

        /home/couchbase/jenkins/workspace/couchbase-server-unix/goproj/src/github.com/couchbase/query/clustering/couchbase/clustering_cb.go:263 +0x2f

github.com/couchbase/query/server/http.(*systemRemoteHttp).WhoAmI(0xc000674b40, 0x2147560, 0xc003f52a60)

        /home/couchbase/jenkins/workspace/couchbase-server-unix/goproj/src/github.com/couchbase/query/server/http/system_remote.go:566 +0x1e2

github.com/couchbase/query/prepareds.(*preparedCache).getPrepared(0x3427f90, 0x2147560, 0xc003f52a10, 0x7, 0xc003f4eeb8, 0x37, 0x1c70ba0, 0xc003f52a20)

        /home/couchbase/jenkins/workspace/couchbase-server-unix/goproj/src/github.com/couchbase/query/prepareds/prepareds.go:443 +0x5a1

github.com/couchbase/query/prepareds.GetPrepared(0x2147560, 0xc003f52a10, 0xc000000007, 0xc003f4eeb8, 0xc003f529c0, 0x2147560, 0xc003f52a10)

        /home/couchbase/jenkins/workspace/couchbase-server-unix/goproj/src/github.com/couchbase/query/prepareds/prepareds.go:424 +0x53

github.com/couchbase/query/server/http.getPrepared(0x213c100, 0xc003f50f80, 0xc003f4eeb0, 0x8, 0x1c70ba0, 0xc003f529c0, 0xc003f4eeb8, 0xc003ec79d8, 0xca804e, 0xc72591, ...)

        /home/couchbase/jenkins/workspace/couchbase-server-unix/goproj/src/github.com/couchbase/query/server/http/service_request.go:620 +0x12f

github.com/couchbase/query/server/http.handlePrepared(0xc0034ad800, 0x213c100, 0xc003f50f80, 0xc003f4eeb0, 0x8, 0x1c70ba0, 0xc003f529c0, 0x0, 0x0)

        /home/couchbase/jenkins/workspace/couchbase-server-unix/goproj/src/github.com/couchbase/query/server/http/service_request.go:191 +0xa3

github.com/couchbase/query/server/http.(*jsonArgs).processParameters(0xc003f50f80, 0xc0034ad800, 0xd, 0x0)

        /home/couchbase/jenkins/workspace/couchbase-server-unix/goproj/src/github.com/couchbase/query/server/http/service_request.go:1170 +0x158

github.com/couchbase/query/server/http.newHttpRequest(0xc0034ad800, 0x2129760, 0xc002923500, 0xc00316d200, 0x21281e0, 0xc001e68000, 0x4000000, 0xc000406360)

        /home/couchbase/jenkins/workspace/couchbase-server-unix/goproj/src/github.com/couchbase/query/server/http/service_request.go:116 +0x778

github.com/couchbase/query/server/http.(*HttpEndpoint).ServeHTTP(0xc001e9a000, 0x2129760, 0xc002923500, 0xc00316d200)

        /home/couchbase/jenkins/workspace/couchbase-server-unix/goproj/src/github.com/couchbase/query/server/http/service_endpoint.go:153 +0x80

github.com/gorilla/mux.(*Router).ServeHTTP(0xc001e66050, 0x2129760, 0xc002923500, 0xc00316d200)

        /home/couchbase/jenkins/workspace/couchbase-server-unix/godeps/src/github.com/gorilla/mux/mux.go:114 +0xe0

net/http.serverHandler.ServeHTTP(0xc001ba9ee0, 0x2129760, 0xc002923500, 0xc00316d000)

        /home/couchbase/.cbdepscache/exploded/x86_64/go-1.11.4/go/src/net/http/server.go:2741 +0xab

net/http.(*conn).serve(0xc002d86500, 0x212f1e0, 0xc003607e80)

        /home/couchbase/.cbdepscache/exploded/x86_64/go-1.11.4/go/src/net/http/server.go:1847 +0x646

created by net/http.(*Server).Serve

        /home/couchbase/.cbdepscache/exploded/x86_64/go-1.11.4/go/src/net/http/server.go:2851 +0x2f5

...