Fix nil pointer error in FLWSrvr

zlfu9527 · Aug 13, 2015 · f929e06 · f929e06
1 parent 5bb5cfc
commit f929e06
Showing 1 changed file with 4 additions and 2 deletions.
diff --git a/zk/flw.go b/zk/flw.go
@@ -49,15 +49,17 @@ func FLWSrvr(servers []string, timeout time.Duration) ([]*ServerStats, bool) {
 			continue
 		}
 
-		match := re.FindAllStringSubmatch(string(response), -1)[0][1:]
+		matches := re.FindAllStringSubmatch(string(response), -1)
 
-		if match == nil {
+		if matches == nil {
 			err := fmt.Errorf("unable to parse fields from zookeeper response (no regex matches)")
 			ss[i] = &ServerStats{Error: err}
 			imOk = false
 			continue
 		}
 
+		match := matches[0][1:]
+
 		// determine current server
 		var srvrMode Mode
 		switch match[10] {