try {
byte[] newGroupId = signal.updateGroup(groupId, groupName, groupMembers, groupAvatar);
if (groupId.length != newGroupId.length) {
try {
byte[] newGroupId = signal.updateGroup(groupId, groupName, groupMembers, groupAvatar);
if (groupId.length != newGroupId.length) {
return 1;
} catch (DBusExecutionException e) {
System.err.println("Failed to send message: " + e.getMessage());
return 1;
} catch (DBusExecutionException e) {
System.err.println("Failed to send message: " + e.getMessage());