Caplin RPC request returns a panic.

[rayn316]

System information

Erigon version: v2.60.5
OS & Version: Linux
Consensus Layer: caplin

The node is still syncing. Caplin has enabled archive mode with the following parameters:
--internalcl --caplin.archive --caplin.backfilling.blob.no-pruning --caplin.backfilling.blob --caplin.backfilling --beacon.api=beacon,builder,config,debug,node,validator,lighthouse --beacon.api.port 21307.

Expected behaviour

request: curl http://127.0.0.1:21307/eth/v1/beacon/states/9614656/validators/942327
Return beacon data normally.

Actual behaviour

Please return the following panic error.

Steps to reproduce the behaviour

Backtrace

2024/07/31 15:45:26 http: panic serving 127.0.0.1:49842: runtime error: invalid memory address or nil pointer dereference
goroutine 22813481 [running]:
net/http.(*conn).serve.func1()
        net/http/server.go:1898 +0xbe
panic({0x2527be0?, 0x46aa5b0?})
        runtime/panic.go:770 +0x132
github.com/ledgerwatch/erigon/cl/cltypes/solid.(*ValidatorSet).Length(...)
        github.com/ledgerwatch/erigon/cl/cltypes/solid/validator_set.go:107
github.com/ledgerwatch/erigon/cl/beacon/handler.responseValidator(0xc037ddc2d0?, 0x31bac18?, {0x0?, 0x0?}, 0x31bac18?, 0x1)
        github.com/ledgerwatch/erigon/cl/beacon/handler/validators.go:583 +0x47
github.com/ledgerwatch/erigon/cl/beacon/handler.(*ApiHandler).GetEthV1BeaconStatesValidator(0xc0818da908, {0x102cec38?, 0xc03d568500?}, 0xc1d2980120)
        github.com/ledgerwatch/erigon/cl/beacon/handler/validators.go:411 +0x905
github.com/ledgerwatch/erigon/cl/beacon/beaconhttp.EndpointHandlerFunc[...].Handle(...)
        github.com/ledgerwatch/erigon/cl/beacon/beaconhttp/api.go:78
github.com/ledgerwatch/erigon/cl/beacon/handler.(*ApiHandler).init.func2.1.3.6.1.HandleEndpointFunc[...].7(0xc1d2980120)
        github.com/ledgerwatch/erigon/cl/beacon/beaconhttp/api.go:87 +0x55
net/http.HandlerFunc.ServeHTTP(0xc0a4d09b30?, {0x318dbd0?, 0xc1d136cee0?}, 0xc268697308?)
        net/http/server.go:2166 +0x29
github.com/go-chi/chi/v5.(*Mux).routeHTTP(0xc0c6fcb020, {0x318dbd0, 0xc1d136cee0}, 0xc1d2980120)
        github.com/go-chi/chi/[email protected]/mux.go:459 +0x2e6
net/http.HandlerFunc.ServeHTTP(0xc1fdf12ea0?, {0x318dbd0?, 0xc1d136cee0?}, 0xc0db0eee70?)
        net/http/server.go:2166 +0x29
github.com/go-chi/chi/v5.(*Mux).ServeHTTP(0xc0c6fcb020, {0x318dbd0, 0xc1d136cee0}, 0xc1d2980120)
        github.com/go-chi/chi/[email protected]/mux.go:73 +0x32f
github.com/go-chi/chi/v5.(*Mux).Mount.func1({0x318dbd0, 0xc1d136cee0}, 0xc1d2980120)
        github.com/go-chi/chi/[email protected]/mux.go:327 +0x1bb
net/http.HandlerFunc.ServeHTTP(0xc0a4d09b30?, {0x318dbd0?, 0xc1d136cee0?}, 0xc2e9976ea0?)
        net/http/server.go:2166 +0x29
github.com/go-chi/chi/v5.(*Mux).routeHTTP(0xc0c6fcafc0, {0x318dbd0, 0xc1d136cee0}, 0xc1d2980120)
        github.com/go-chi/chi/[email protected]/mux.go:459 +0x2e6
net/http.HandlerFunc.ServeHTTP(0xc1fdf12ea0?, {0x318dbd0?, 0xc1d136cee0?}, 0xc0db0ef040?)
        net/http/server.go:2166 +0x29
github.com/go-chi/chi/v5.(*Mux).ServeHTTP(0xc0c6fcafc0, {0x318dbd0, 0xc1d136cee0}, 0xc1d2980120)
        github.com/go-chi/chi/[email protected]/mux.go:73 +0x32f
github.com/go-chi/chi/v5.(*Mux).Mount.func1({0x318dbd0, 0xc1d136cee0}, 0xc1d2980120)
        github.com/go-chi/chi/[email protected]/mux.go:327 +0x1bb
net/http.HandlerFunc.ServeHTTP(0xc0a4d09b30?, {0x318dbd0?, 0xc1d136cee0?}, 0xc08647e360?)
        net/http/server.go:2166 +0x29
github.com/go-chi/chi/v5.(*Mux).routeHTTP(0xc0c6fcad20, {0x318dbd0, 0xc1d136cee0}, 0xc1d2980120)
        github.com/go-chi/chi/[email protected]/mux.go:459 +0x2e6
net/http.HandlerFunc.ServeHTTP(0xc1fdf12ea0?, {0x318dbd0?, 0xc1d136cee0?}, 0xc0db0ef210?)
        net/http/server.go:2166 +0x29
github.com/go-chi/chi/v5.(*Mux).ServeHTTP(0xc0c6fcad20, {0x318dbd0, 0xc1d136cee0}, 0xc1d2980120)
        github.com/go-chi/chi/[email protected]/mux.go:73 +0x32f
github.com/go-chi/chi/v5.(*Mux).Mount.func1({0x318dbd0, 0xc1d136cee0}, 0xc1d2980120)
        github.com/go-chi/chi/[email protected]/mux.go:327 +0x1bb
net/http.HandlerFunc.ServeHTTP(0xc0a4d09b30?, {0x318dbd0?, 0xc1d136cee0?}, 0xc08647e330?)
        net/http/server.go:2166 +0x29
github.com/go-chi/chi/v5.(*Mux).routeHTTP(0xc0c6fcac00, {0x318dbd0, 0xc1d136cee0}, 0xc1d2980120)
        github.com/go-chi/chi/[email protected]/mux.go:459 +0x2e6
net/http.HandlerFunc.ServeHTTP(0xc1fdf12ea0?, {0x318dbd0?, 0xc1d136cee0?}, 0xc0db0ef3e0?)
        net/http/server.go:2166 +0x29
github.com/go-chi/chi/v5.(*Mux).ServeHTTP(0xc0c6fcac00, {0x318dbd0, 0xc1d136cee0}, 0xc1d2980120)
        github.com/go-chi/chi/[email protected]/mux.go:73 +0x32f
github.com/go-chi/chi/v5.(*Mux).Mount.func1({0x318dbd0, 0xc1d136cee0}, 0xc1d2980120)
        github.com/go-chi/chi/[email protected]/mux.go:327 +0x1bb
net/http.HandlerFunc.ServeHTTP(0xc0a4d09b30?, {0x318dbd0?, 0xc1d136cee0?}, 0xc08647e300?)
        net/http/server.go:2166 +0x29
github.com/go-chi/chi/v5.(*Mux).routeHTTP(0xc0c6fcaba0, {0x318dbd0, 0xc1d136cee0}, 0xc1d2980120)
        github.com/go-chi/chi/[email protected]/mux.go:459 +0x2e6
net/http.HandlerFunc.ServeHTTP(0xc1fdf12ea0?, {0x318dbd0?, 0xc1d136cee0?}, 0xc0db0ef5b0?)
        net/http/server.go:2166 +0x29
github.com/go-chi/chi/v5.(*Mux).ServeHTTP(0xc0c6fcaba0, {0x318dbd0, 0xc1d136cee0}, 0xc1d2980120)
        github.com/go-chi/chi/[email protected]/mux.go:73 +0x32f
github.com/go-chi/chi/v5.(*Mux).Mount.func1({0x318dbd0, 0xc1d136cee0}, 0xc1d2980120)
        github.com/go-chi/chi/[email protected]/mux.go:327 +0x1bb
net/http.HandlerFunc.ServeHTTP(0xc0a4d09b30?, {0x318dbd0?, 0xc1d136cee0?}, 0xc24c6c1fc4?)
        net/http/server.go:2166 +0x29
github.com/go-chi/chi/v5.(*Mux).routeHTTP(0xc0c6fcaae0, {0x318dbd0, 0xc1d136cee0}, 0xc1d2980120)
        github.com/go-chi/chi/[email protected]/mux.go:459 +0x2e6
net/http.HandlerFunc.ServeHTTP(0xc1fdf12ea0?, {0x318dbd0?, 0xc1d136cee0?}, 0xfdf12ea0?)
        net/http/server.go:2166 +0x29
github.com/go-chi/chi/v5.(*Mux).ServeHTTP(0xc0c6fcaae0, {0x318dbd0, 0xc1d136cee0}, 0xc1d2980120)
        github.com/go-chi/chi/[email protected]/mux.go:73 +0x32f
github.com/ledgerwatch/erigon/cl/beacon/handler.(*ApiHandler).ServeHTTP(0x3195610?, {0x318dbd0?, 0xc1d136cee0?}, 0x46b1f30?)
        github.com/ledgerwatch/erigon/cl/beacon/handler/handler.go:317 +0x72
github.com/ledgerwatch/erigon/cl/beacon.ListenAndServe.func1({0x318dbd0, 0xc1d136cee0}, 0xc1a8401e60)
        github.com/ledgerwatch/erigon/cl/beacon/router.go:41 +0x1df
net/http.HandlerFunc.ServeHTTP(0xc1e017b1d0?, {0x318dbd0?, 0xc1d136cee0?}, 0xc24c6c1fc4?)
        net/http/server.go:2166 +0x29
github.com/go-chi/chi/v5.(*Mux).routeHTTP(0xc03c109860, {0x318dbd0, 0xc1d136cee0}, 0xc1a8401e60)
        github.com/go-chi/chi/[email protected]/mux.go:459 +0x2e6
net/http.HandlerFunc.ServeHTTP(0xc0c936d680?, {0x318dbd0?, 0xc1d136cee0?}, 0xc1a8401e60?)
        net/http/server.go:2166 +0x29
github.com/go-chi/cors.(*Cors).Handler-fm.(*Cors).Handler.func1({0x318dbd0, 0xc1d136cee0}, 0xc1a8401e60)
        github.com/go-chi/[email protected]/cors.go:228 +0x17e
net/http.HandlerFunc.ServeHTTP(0x3195648?, {0x318dbd0?, 0xc1d136cee0?}, 0x46b1f30?)
        net/http/server.go:2166 +0x29
github.com/go-chi/chi/v5.(*Mux).ServeHTTP(0xc03c109860, {0x318dbd0, 0xc1d136cee0}, 0xc1a8401d40)
        github.com/go-chi/chi/[email protected]/mux.go:90 +0x2ee
net/http.serverHandler.ServeHTTP({0xc1fdf12d50?}, {0x318dbd0?, 0xc1d136cee0?}, 0x6?)
        net/http/server.go:3137 +0x8e
net/http.(*conn).serve(0xc1c18b9170, {0x3195610, 0xc026642930})
        net/http/server.go:2039 +0x5e8
created by net/http.(*Server).Serve in goroutine 62568
        net/http/server.go:3285 +0x4b4