toplink
JPA exception: Object: ... is not a known entity type
I\'m new to JPA and I\'m having problems with the autogeneration of primary key values. I have the following entity:[详细]
2022-12-22 05:16 分类：问答Junit tests fails randomized while using database and entity manager
I try to write an big test class. I\'m using Junit, Hibernate and TopLink and H2 database. Before this I used EJB3Unit (including Hibernate and H2).[详细]
2022-12-17 12:08 分类：问答using update statement in toplink in multithreaded environment
i am using toplink, but i am getting some problem while updati开发者_高级运维ng the values. this is my code snippet[详细]
2022-12-17 09:01 分类：问答Toplink client session
Is there any way i can access t开发者_开发百科he object of one client session from another client session?Unless you have isolated your Entities to the client Session (ClassDescriptor.setIsIsolated) t[详细]
2022-12-13 20:44 分类：问答toplink client session with server session
can i directly create unit of work on server session instead of 开发者_开发问答creating multiple client session. As my application runs in multi threaded environment, so i am unable to get updated ent[详细]
2022-12-13 19:01 分类：问答how to solve lock_wait_timeout, subsequent rollback and data disappeareance from mysql 5.1.38
i am using a toplink with struts 2 and toplink for a high usage app, the app always access a single table with multiple read and writes per second. This causes a lock_wait_timeout error and the transa[详细]
2022-12-11 02:09 分类：问答
![Interactive visualization of a graph in python [closed]](https://www.devze.com/res/2023/04-10/09/92d32fe8c0d22fb96bd6f6e8b7d1f457.gif)
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