Ibatis:Lock wait timeout exceeded; try restarting transaction

org.springframework.dao.CannotAcquireLockException: SqlMapClient operation; SQL [];   
--- The error occurred in sqlmap-mapping-terminalVehicleRelation.xml.  
--- The error occurred while applying a parameter map.  
--- Check the updateDeptName-InlineParameterMap.  
--- Check the statement (update failed).  
--- Cause: java.sql.SQLException: Lock wait timeout exceeded; try restarting transaction; nested exception is com.ibatis.common.jdbc.exception.NestedSQLException:   
--- The error occurred in sqlmap-mapping-terminalVehicleRelation.xml.  
--- The error occurred while applying a parameter map.  
--- Check the updateDeptName-InlineParameterMap.  
--- Check the statement (update failed).  
--- Cause: java.sql.SQLException: Lock wait timeout exceeded; try restarting transaction

出現此類問題，請檢查是否有事務未提交。有可能是當前正在操作數據庫，而忘記commit;