kpioneer123 commented on issue #7380:
URL: https://github.com/apache/shardingsphere/issues/7380#issuecomment-695946142
**Other errors** @cherrylzhao @kimmking
```
@Override
@GlobalTransactional(timeoutMills = 300000,name =
"account-service",rollbackFor = Exception.class)
public void shardingSeata() throws Exception {
TransactionTypeHolder.set(TransactionType.BASE);
System.out.println("开始全局事务，XID = " + RootContext.getXID());
BookPunchDTO bookPunch = new BookPunchDTO();
...
```
If I add this code: **TransactionTypeHolder.set(TransactionType.BASE);**
**result display error**
```
15:14:47.702 INFO [main] io.seata.tm.api.DefaultGlobalTransaction - Begin
new global transaction [39.106.112.246:8091:51326895299584000]
开始全局事务，XID = 39.106.112.246:8091:51326895299584000
15:14:47.758 INFO [main] io.seata.tm.api.DefaultGlobalTransaction -
[39.106.112.246:8091:51326895299584000] rollback status: Rollbacked
org.springframework.transaction.CannotCreateTransactionException: Could not
open JDBC Connection for transaction; nested exception is
java.lang.NullPointerException: Cannot find transaction manager of [BASE]
at
org.springframework.jdbc.datasource.DataSourceTransactionManager.doBegin(DataSourceTransactionManager.java:308)
at
org.springframework.transaction.support.AbstractPlatformTransactionManager.startTransaction(AbstractPlatformTransactionManager.java:400)
```
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