catch (Exception e) {
throw new MQClientException("send message Exception", e);
}
// 第二步,回调本地事务
LocalTransactionState localTransactionState = LocalTransactionState.UNKNOW;
Throwable localException = null;
try {
localTransactionState = tranExecuter.executeLocalTransactionBranch(msg, arg);
if (null == localTransactionState) {
localTransactionState = LocalTransactionState.UNKNOW;