Access flags for read-only getter methods, to ensure that Entity EJB instances aren't marked as dirty and persisted into the database unnecessarily when they are read but not updated. 只读的读方法的访问标志,当读取但不更新实体EJB实例时,要确保它们未被标记为dirty并没有不必要地继续保存在数据库中。
A dirty read is possible, meaning that no shared locks are issued and no exclusive locks are honored. 可以进行脏读,意思是说,不发布共享锁,也不接受独占锁。
This error can be caused by dirty media, CD-ROM read issues, or problems with memory allocation. 这个错误可能是由媒体污损、CD-ROM读取问题或是内存配置的问题所造成。