Ivan Kozlovic 34650e9dd5 Fixed data race and some flappers ...

Data race that has been seen:
```
Read at 0x00c00134bec0 by goroutine 159:
  github.com/nats-io/nats-server/v2/server.(*client).msgHeaderForRouteOrLeaf()
      /home/travis/gopath/src/github.com/nats-io/nats-server/server/client.go:2935 +0x254
  github.com/nats-io/nats-server/v2/server.(*client).processMsgResults()
      /home/travis/gopath/src/github.com/nats-io/nats-server/server/client.go:4364 +0x2147
(...)
Previous write at 0x00c00134bec0 by goroutine 201:
  github.com/nats-io/nats-server/v2/server.(*Server).addRoute()
      /home/travis/gopath/src/github.com/nats-io/nats-server/server/route.go:1475 +0xdb4
  github.com/nats-io/nats-server/v2/server.(*client).processRouteInfo()
      /home/travis/gopath/src/github.com/nats-io/nats-server/server/route.go:641 +0x1704
```

Also fixed some flappers and removed use of `s.js.` since we have
already captured `js` in Jsz monitoring.

Signed-off-by: Ivan Kozlovic <ivan@synadia.com>

2022-03-31 10:05:34 -06:00

82 KiB

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