Check for null in listSnapshotHelper
@@ -1930,6 +1930,7 @@ public class WorkMgrService {
JSONArray retArray = new JSONArray();
List<String> snapshotList = Main.getWorkMgr().listSnapshots(networkName);
+ checkArgument(snapshotList != null, String.format("Network '%s' not found", networkName));
for (String snapshot : snapshotList) {
try {
String snapshotInfo = Main.getWorkMgr().getTestrigInfo(networkName, snapshot);
