The official website of Hibernate is paralyzed. A Java exception stack error occurs and the Web server version: jbossweb/2.0.0.ga _ CP is displayed.
It is reasonable to say that the system paralysis should show that a user is easy to understand the page and is very unprofessional.
Although I am not optimistic about hibernate, I often go up and slide. It is estimated that they did not use CDN.
Hibernate has the following Disadvantages:
1. hibernate was developed because the author believes that SQL is difficult to learn and use, but Hibernate is far more difficult to learn and use than SQL.
2. Most of hibernate's CoreCodeTo improve performance. However, Hibernate is widely used in Java EE web systems, and page cache is the most effective for web system caching.
3. Optimizing the performance of hibernate cache is not a simple technical activity.
All in all, Hibernate is not widely used.