在Spring批处理中,读取和写入数据库的记录最多可达31000条。在31000条记录后,得到以下例外:
java.sql.SQLRecoverableException:
Encountered an error executing the step
org.springframework.transaction.CannotCreateTransactionException: Could not open JDBC Connection for transaction; nested exception is java.sql.SQLRecoverableException: IO E