panic: runtime error: invalid memory address or nil pointer dereference

2021-12-23T13:45:02.850-08:00 [Info] GSIC[default/bucket-1-scope-1-collection-1-1640295842729350489] logstats "bucket-1" {"gsi_scan_count":324347,"gsi_scan_duration":122135349771,"gsi_throttle_duration":0,"gsi_prime_duration":106309939600,"gsi_blocked_duration":0,"gsi_total_temp_files":0}

2021-12-23T13:45:07.820-08:00 [SEVERE] panic: runtime error: invalid memory address or nil pointer dereference

2021-12-23T13:45:07.820-08:00 [SEVERE] request text: <ud>SELECT * FROM `bucket-1`.`scope-1`.`collection-1` where alt_email >= "000015" and alt_email <= "000028";</ud>

2021-12-23T13:45:07.820-08:00 [SEVERE] query context: <ud></ud>

2021-12-23T13:45:07.820-08:00 [SEVERE] stack: goroutine 3418909 [running]:

github.com/couchbase/query/execution.(*Context).Recover(0xc0007e4280, 0xc006382780)

    /home/couchbase/jenkins/workspace/couchbase-server-unix/goproj/src/github.com/couchbase/query/execution/context.go:1031 +0xc6

panic(0x22f4160, 0x37d2960)

    /home/couchbase/.cbdepscache/exploded/x86_64/go-1.16.6/go/src/runtime/panic.go:965 +0x1b9

github.com/couchbase/query/execution.(*Fetch).flushBatch(0xc006382780, 0xc0007e4280, 0xc0071e1d00)

    /home/couchbase/jenkins/workspace/couchbase-server-unix/goproj/src/github.com/couchbase/query/execution/fetch.go:197 +0x81c

github.com/couchbase/query/execution.(*base).enbatchSize(0xc006382780, 0x28d22b0, 0xc001c88240, 0x286d940, 0xc006382780, 0x10, 0xc0007e4280, 0x115307006774a01, 0xc001c88240)

    /home/couchbase/jenkins/workspace/couchbase-server-unix/goproj/src/github.com/couchbase/query/execution/base.go:1191 +0xda

github.com/couchbase/query/execution.(*Fetch).processItem(0xc006382780, 0x28d22b0, 0xc001c88240, 0xc0007e4280, 0xc001c88240)

    /home/couchbase/jenkins/workspace/couchbase-server-unix/goproj/src/github.com/couchbase/query/execution/fetch.go:86 +0x6f

github.com/couchbase/query/execution.(*base).runConsumer.func1()

    /home/couchbase/jenkins/workspace/couchbase-server-unix/goproj/src/github.com/couchbase/query/execution/base.go:917 +0x1b6

github.com/couchbase/query/util.(*Once).Do(0xc0063828b8, 0xc0071e1f00)

    /home/couchbase/jenkins/workspace/couchbase-server-unix/goproj/src/github.com/couchbase/query/util/sync.go:54 +0x4b

github.com/couchbase/query/execution.(*base).runConsumer(0xc006382780, 0x2869d98, 0xc006382780, 0xc0007e4280, 0x0, 0x0)

    /home/couchbase/jenkins/workspace/couchbase-server-unix/goproj/src/github.com/couchbase/query/execution/base.go:857 +0xa5

github.com/couchbase/query/execution.(*Fetch).RunOnce(0xc006382780, 0xc0007e4280, 0x0, 0x0)

    /home/couchbase/jenkins/workspace/couchbase-server-unix/goproj/src/github.com/couchbase/query/execution/fetch.go:75 +0x5c

github.com/couchbase/query/execution.execOp(0x28956a8, 0xc006382780, 0xc0007e4280, 0x0, 0x0)

    /home/couchbase/jenkins/workspace/couchbase-server-unix/goproj/src/github.com/couchbase/query/execution/base.go:519 +0x57

created by github.com/couchbase/query/execution.(*base).fork

    /home/couchbase/jenkins/workspace/couchbase-server-unix/goproj/src/github.com/couchbase/query/execution/base.go:530 +0x105

goroutine 3418909 [running]:

github.com/couchbase/query/execution.(*Context).Recover(0xc0007e4280, 0xc006382780)

    /home/couchbase/jenkins/workspace/couchbase-server-unix/goproj/src/github.com/couchbase/query/execution/context.go:1031 +0xc6

panic(0x22f4160, 0x37d2960)

    /home/couchbase/.cbdepscache/exploded/x86_64/go-1.16.6/go/src/runtime/panic.go:965 +0x1b9

github.com/couchbase/query/execution.(*Fetch).flushBatch(0xc006382780, 0xc0007e4280, 0xc0071e1d00)

    /home/couchbase/jenkins/workspace/couchbase-server-unix/goproj/src/github.com/couchbase/query/execution/fetch.go:197 +0x81c

github.com/couchbase/query/execution.(*base).enbatchSize(0xc006382780, 0x28d22b0, 0xc001c88240, 0x286d940, 0xc006382780, 0x10, 0xc0007e4280, 0x115307006774a01, 0xc001c88240)

    /home/couchbase/jenkins/workspace/couchbase-server-unix/goproj/src/github.com/couchbase/query/execution/base.go:1191 +0xda

github.com/couchbase/query/execution.(*Fetch).processItem(0xc006382780, 0x28d22b0, 0xc001c88240, 0xc0007e4280, 0xc001c88240)

    /home/couchbase/jenkins/workspace/couchbase-server-unix/goproj/src/github.com/couchbase/query/execution/fetch.go:86 +0x6f

github.com/couchbase/query/execution.(*base).runConsumer.func1()

    /home/couchbase/jenkins/workspace/couchbase-server-unix/goproj/src/github.com/couchbase/query/execution/base.go:917 +0x1b6

github.com/couchbase/query/util.(*Once).Do(0xc0063828b8, 0xc0071e1f00)

    /home/couchbase/jenkins/workspace/couchbase-server-unix/goproj/src/github.com/couchbase/query/util/sync.go:54 +0x4b

github.com/couchbase/query/execution.(*base).runConsumer(0xc006382780, 0x2869d98, 0xc006382780, 0xc0007e4280, 0x0, 0x0)

    /home/couchbase/jenkins/workspace/couchbase-server-unix/goproj/src/github.com/couchbase/query/execution/base.go:857 +0xa5

github.com/couchbase/query/execution.(*Fetch).RunOnce(0xc006382780, 0xc0007e4280, 0x0, 0x0)

    /home/couchbase/jenkins/workspace/couchbase-server-unix/goproj/src/github.com/couchbase/query/execution/fetch.go:75 +0x5c

github.com/couchbase/query/execution.execOp(0x28956a8, 0xc006382780, 0xc0007e4280, 0x0, 0x0)

    /home/couchbase/jenkins/workspace/couchbase-server-unix/goproj/src/github.com/couchbase/query/execution/base.go:519 +0x57

created by github.com/couchbase/query/execution.(*base).fork

    /home/couchbase/jenkins/workspace/couchbase-server-unix/goproj/src/github.com/couchbase/query/execution/base.go:530 +0x105

2021-12-23T13:46:02.835-08:00 [Info] connected with 1 indexers