NVIDIA
diff --git a/‎ais/prxtxn.go
Lines changed: 3 additions & 1 deletion b/‎ais/prxtxn.go
Lines changed: 3 additions & 1 deletion
diff --git a/‎ais/tgtxact.go
Lines changed: 17 additions & 2 deletions b/‎ais/tgtxact.go
Lines changed: 17 additions & 2 deletions
@@ -700,7 +700,9 @@ func (p *proxy) tcobjs(bckFrom, bckTo *meta.Bck, config *cmn.Config, msg *apc.Ac
 	}
 
 	if xid == "" {
-		xid = strings.Join(all, xact.SepaID) // return comma-separated x-tco IDs
+		// return comma-separated x-tco IDs
+		// see x-tco for related: p.genBEID
+		xid = strings.Join(all, xact.SepaID)
 	}
 	return xid, nil
 }
 
@@ -7,6 +7,7 @@ package ais
 import (
 	"fmt"
 	"net/http"
+	"strings"
 	"sync"
 
 	"github.com/NVIDIA/aistore/api/apc"
@@ -318,10 +319,24 @@ func (t *target) httpxpost(w http.ResponseWriter, r *http.Request) {
 	}
 
 	xactID := amsg.Name
-	if xctn, err = xreg.GetXact(xactID); err != nil {
-		t.writeErr(w, r, err)
+	if strings.IndexByte(xactID, xact.SepaID[0]) > 0 {
+		uuids := strings.Split(xactID, xact.SepaID)
+		for _, xid := range uuids {
+			if xctn, err = xreg.GetXact(xid); err == nil {
+				break
+			}
+		}
+	} else {
+		if xctn, err = xreg.GetXact(xactID); err != nil {
+			t.writeErr(w, r, err)
+			return
+		}
+	}
+	if xctn == nil {
+		t.writeErr(w, r, cos.NewErrNotFound(t, xactID), http.StatusNotFound)
 		return
 	}
+
 	xtco, ok := xctn.(*xs.XactTCO)
 	debug.Assert(ok)
Original file line number	Diff line number	Diff line change
`@@ -700,7 +700,9 @@ func (p proxy) tcobjs(bckFrom, bckTo meta.Bck, config cmn.Config, msg apc.Ac`
`700`	`700`	`}`
`701`	`701`
`702`	`702`	`if xid == "" {`
`703`		`- xid = strings.Join(all, xact.SepaID) // return comma-separated x-tco IDs`
	`703`	`+ // return comma-separated x-tco IDs`
	`704`	`+ // see x-tco for related: p.genBEID`
	`705`	`+ xid = strings.Join(all, xact.SepaID)`
`704`	`706`	`}`
`705`	`707`	`return xid, nil`
`706`	`708`	`}`