[System Test on cloud] Panic in query - invalid memory address or nil pointer dereference

2023/08/14 23:38:47 http: panic serving 67.212.150.204:3618: runtime error: invalid memory address or nil pointer dereference

goroutine 132811159 [running]:

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

	/home/couchbase/.cbdepscache/exploded/x86_64/go-1.20.6/go/src/net/http/server.go:1854 +0xbf

panic({0x261aea0, 0x4237b90})

	/home/couchbase/.cbdepscache/exploded/x86_64/go-1.20.6/go/src/runtime/panic.go:890 +0x263

github.com/couchbase/query/execution.(*valueExchange).dispose(0xc0011e4000)

	/home/couchbase/jenkins/workspace/couchbase-server-unix/goproj/src/github.com/couchbase/query/execution/exchange.go:164 +0x56

github.com/couchbase/query/execution.(*base).baseDone(0xc0011e4000)

	/home/couchbase/jenkins/workspace/couchbase-server-unix/goproj/src/github.com/couchbase/query/execution/base.go:348 +0x1e5

github.com/couchbase/query/execution.(*DistinctScan).Done(0xc0011e4000)

	/home/couchbase/jenkins/workspace/couchbase-server-unix/goproj/src/github.com/couchbase/query/execution/scan_distinct.go:178 +0x25

github.com/couchbase/query/execution.(*Sequence).Done(0xc000140500)

	/home/couchbase/jenkins/workspace/couchbase-server-unix/goproj/src/github.com/couchbase/query/execution/sequence.go:181 +0x4b

github.com/couchbase/query/execution.(*Authorize).Done(0xc002c31b80)

	/home/couchbase/jenkins/workspace/couchbase-server-unix/goproj/src/github.com/couchbase/query/execution/authorize.go:157 +0x72

github.com/couchbase/query/server.(*BaseRequest).CompleteRequest(0xc000571900, 0x1?, 0x0?, 0x290660e?, 0x9?, 0x5ebfd00?, 0x12aaf06?, 0xc000ca2048?, 0xc00342b4c8?)

	/home/couchbase/jenkins/workspace/couchbase-server-unix/goproj/src/github.com/couchbase/query/server/request.go:1173 +0x1a2

github.com/couchbase/query/server/http.(*HttpEndpoint).doStats(0xc00080e1c0, 0xc000571900, 0xc00057c0e0?)

	/home/couchbase/jenkins/workspace/couchbase-server-unix/goproj/src/github.com/couchbase/query/server/http/service_endpoint.go:683 +0x1e5

github.com/couchbase/query/server/http.(*HttpEndpoint).ServeHTTP(0xc00080e1c0, {0x2f230b0, 0xc02a5167e0}, 0xc0137e1400)

	/home/couchbase/jenkins/workspace/couchbase-server-unix/goproj/src/github.com/couchbase/query/server/http/service_endpoint.go:456 +0xefe

github.com/gorilla/mux.(*Router).ServeHTTP(0xc00057e540, {0x2f230b0, 0xc02a5167e0}, 0xc0137e1200)

	/home/couchbase/.cbdepscache/gomodcache/pkg/mod/github.com/gorilla/mux@v1.8.0/mux.go:210 +0x1cf

net/http.serverHandler.ServeHTTP({0x2f1f2a8?}, {0x2f230b0, 0xc02a5167e0}, 0xc0137e1200)

	/home/couchbase/.cbdepscache/exploded/x86_64/go-1.20.6/go/src/net/http/server.go:2936 +0x316

net/http.(*conn).serve(0xc00be8e510, {0x2f29560, 0xc000cf98c0})

	/home/couchbase/.cbdepscache/exploded/x86_64/go-1.20.6/go/src/net/http/server.go:1995 +0x612

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

	/home/couchbase/.cbdepscache/exploded/x86_64/go-1.20.6/go/src/net/http/server.go:3089 +0x5ed

2023-08-14T23:38:47.451+00:00 [Info] GSIC[default/default3-scope_0-coll_1-1692006695361646547] request(110da9fd-b03d-4426-aabe-ce77be6ecb2a) removing temp file /opt/couchbase/var/lib/couchbase/tmp/scan-results51844225100655 ...

2023-08-14T23:38:47.452+00:00 [Info] GSIC[default/default3-scope_0-coll_1-1692006695361646547] request(110da9fd-b03d-4426-aabe-ce77be6ecb2a) removing temp file /opt/couchbase/var/lib/couchbase/tmp/scan-results51844110970774 ...

2023-08-14T23:38:47.452+00:00 [Info] GSIC[default/default3-scope_0-coll_1-1692006695361646547] request(110da9fd-b03d-4426-aabe-ce77be6ecb2a) removing temp file /opt/couchbase/var/lib/couchbase/tmp/scan-results51841956975169 ...

2023-08-14T23:38:47.453+00:00 [Info] GSIC[default/default3-scope_0-coll_1-1692006695361646547] request(110da9fd-b03d-4426-aabe-ce77be6ecb2a) removing temp file /opt/couchbase/var/lib/couchbase/tmp/scan-results51842610509275 ...

2023-08-14T23:38:47.464+00:00 [Info] GSIC[default/default1-scope_0-coll_1-1692006387425148400] request(ad4a9005-4ce5-4883-812e-9e37e6662948) removing temp file /opt/couchbase/var/lib/couchbase/tmp/scan-results51841972574602 ...