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Fix crash when parallel mc instances try to migrate session files at … #1812

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10 changes: 8 additions & 2 deletions cmd/session-migrate.go
Original file line number Diff line number Diff line change
Expand Up @@ -30,7 +30,10 @@ import (
func migrateSessionV6ToV7() {
for _, sid := range getSessionIDs() {
sV6Header, err := loadSessionV6Header(sid)
if err != nil && !os.IsNotExist(err.ToGoError()) {
if err != nil {
if os.IsNotExist(err.ToGoError()) {
continue
}
fatalIf(err.Trace(sid), "Unable to load version ‘6’. Migration failed please report this issue at https://github.com/minio/mc/issues.")
}
if sV6Header.Version == "7" { // It is new format.
Expand Down Expand Up @@ -74,7 +77,10 @@ func migrateSessionV6ToV7() {
func migrateSessionV5ToV6() {
for _, sid := range getSessionIDs() {
sV6Header, err := loadSessionV6Header(sid)
if err != nil && !os.IsNotExist(err.ToGoError()) {
if err != nil {
if os.IsNotExist(err.ToGoError()) {
continue
}
fatalIf(err.Trace(sid), "Unable to load version ‘6’. Migration failed please report this issue at https://github.com/minio/mc/issues.")
}

Expand Down