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Code Issues Releases Activity

check nil instance

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This commit is contained in:
lintanghui 2019-07-17 09:34:50 +08:00
parent 382bbf3c4f
commit e123d18ecc
1 changed files with 4 additions and 0 deletions
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4
pkg/naming/discovery/discovery.go
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@ -609,6 +609,10 @@ func (d *Discovery) polls(ctx context.Context) (apps map[string]*naming.Instance
func (d *Discovery) broadcast(apps map[string]*naming.InstancesInfo) {
for appID, v := range apps {
var count int
// v maybe nil in old version(less than v1.1) discovery,check incase of panic
if v==nil {
continue
}
for zone, ins := range v.Instances {
if len(ins) == 0 {
delete(v.Instances, zone)