98c1f0ecb2
Got a data race:
```
==================
WARNING: DATA RACE
Write at 0x00c001c736b0 by goroutine 605:
runtime.mapassign_faststr()
/home/travis/.gimme/versions/go1.17.8.linux.amd64/src/runtime/map_faststr.go:202 +0x0
github.com/nats-io/nats-server/v2/server.(*Account).addServiceImport()
/home/travis/gopath/src/github.com/nats-io/nats-server/server/accounts.go:1868 +0xb7b
github.com/nats-io/nats-server/v2/server.(*Account).AddServiceImportWithClaim()
...
Previous read at 0x00c001c736b0 by goroutine 301:
runtime.mapaccess2_faststr()
/home/travis/.gimme/versions/go1.17.8.linux.amd64/src/runtime/map_faststr.go:107 +0x0
github.com/nats-io/nats-server/v2/server.(*Server).registerSystemImports()
/home/travis/gopath/src/github.com/nats-io/nats-server/server/events.go:1577 +0x284
github.com/nats-io/nats-server/v2/server.(*Server).updateAccountClaimsWithRefresh()
...
```
Also, remove some condition in gateway.go on how we were checking
if a subject was a serviec reply, which was causing a test to flap.
Finally, used AckSync() in a rest (instead of m.Respond(nil)) to
prevent it from flapping.
Signed-off-by: Ivan Kozlovic <ivan@synadia.com>
NATS is a simple, secure and performant communications system for digital systems, services and devices. NATS is part of the Cloud Native Computing Foundation (CNCF). NATS has over 40 client language implementations, and its server can run on-premise, in the cloud, at the edge, and even on a Raspberry Pi. NATS can secure and simplify design and operation of modern distributed systems.
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