[GitHub] [shardingsphere] ulwx opened a new issue, #24332: 5.3.1 When integrating seata global transactions, if there are also global transactions on the periphery, the commit () method reports a null exception

["ulwx (via GitHub)" <gi...@apache.org>]

ulwx opened a new issue, #24332:
URL: https://github.com/apache/shardingsphere/issues/24332

   ```
   GlobalTransaction globalTransaction = GlobalTransactionContext.getCurrentOrCreate();
   globalTransaction.begin(timeout * 1000);     
   TransactionTypeHolder.set(TransactionType.BASE);
   try{
       doInsert();
   }finally {
       TransactionTypeHolder.clear();
   }
   globalTransaction.commit();
   ```
   When the above code is running, doInsert() will throw a null exception, which is thrown by the commit() method in doInsert(). The reason is that when the shardingjdbc proxy commit() method is used, because the SeataATShardingSphereTransactionManager # begin() method has not been executed because of the existence of GlobalTransaction on the periphery, the TransactionTypeHolder # set() method has not been executed and is always empty, Thus, when the shardingjdbc agent commit() method is executed, the query is null through TransactionTypeHolder # get(), and a null pointer exception is reported！
   


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[GitHub] [shardingsphere] FlyingZC commented on issue #24332: 5.3.1 When integrating seata global transactions, if there are also global transactions on the periphery, the commit () method reports a null exception

["FlyingZC (via GitHub)" <gi...@apache.org>]

FlyingZC commented on issue #24332:
URL: https://github.com/apache/shardingsphere/issues/24332#issuecomment-1445650420

   Not support starting the SEATA AT transaction from the outside.ShardingSphere starts the SEATA AT transaction by itself.


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