[BP MB-40422] - Eventing: panic when body is null for /api/v1/functions/test/deploy

 curl --location --request POST 'http://10.143.192.102:8096/api/v1/functions/test/deploy' \

--header 'Authorization: Basic QWRtaW5pc3RyYXRvcjpwYXNzd29yZA==' \

--header 'Content-Type: application/json' \

--data-raw 'null'

2020/07/13 00:22:35 http: panic serving 10.143.192.1:50041: assignment to entry in nil map2020/07/13 00:22:35 http: panic serving 10.143.192.1:50041: assignment to entry in nil mapgoroutine 31421 [running]:net/http.(*conn).serve.func1(0xc421b177c0) /home/couchbase/.cbdepscache/exploded/x86_64/go-1.10.3/go/src/net/http/server.go:1726 +0xd0panic(0x12b7060, 0x14f1ec0) /home/couchbase/.cbdepscache/exploded/x86_64/go-1.10.3/go/src/runtime/panic.go:502 +0x229github.com/couchbase/eventing/service_manager.(*ServiceMgr).functionsHandler(0xc4202cb500, 0x14fe760, 0xc4202c0ee0, 0xc426049800) /home/couchbase/jenkins/workspace/couchbase-server-unix/goproj/src/github.com/couchbase/eventing/service_manager/http_handlers.go:2716 +0x23f9github.com/couchbase/eventing/service_manager.(*ServiceMgr).(github.com/couchbase/eventing/service_manager.functionsHandler)-fm(0x14fe760, 0xc4202c0ee0, 0xc426049800) /home/couchbase/jenkins/workspace/couchbase-server-unix/goproj/src/github.com/couchbase/eventing/service_manager/manager.go:168 +0x48net/http.HandlerFunc.ServeHTTP(0xc4204029c0, 0x14fe760, 0xc4202c0ee0, 0xc426049800) /home/couchbase/.cbdepscache/exploded/x86_64/go-1.10.3/go/src/net/http/server.go:1947 +0x44net/http.(*ServeMux).ServeHTTP(0xc4203d9ec0, 0x14fe760, 0xc4202c0ee0, 0xc426049800) /home/couchbase/.cbdepscache/exploded/x86_64/go-1.10.3/go/src/net/http/server.go:2337 +0x130net/http.serverHandler.ServeHTTP(0xc4203d4ea0, 0x14fe760, 0xc4202c0ee0, 0xc426049800) /home/couchbase/.cbdepscache/exploded/x86_64/go-1.10.3/go/src/net/http/server.go:2694 +0xbcnet/http.(*conn).serve(0xc421b177c0, 0x14fefe0, 0xc421abff40) /home/couchbase/.cbdepscache/exploded/x86_64/go-1.10.3/go/src/net/http/server.go:1830 +0x651created by net/http.(*Server).Serve /home/couchbase/.cbdepscache/exploded/x86_64/go-1.10.3/go/src/net/http/server.go:2795 +0x27b2020-07-13T00:22:35.705-07:00 [Info] ServiceMgr::GetTaskList rev: service.Revision(nil)