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Editor to share with you how to do unknown entry problems in hibernate, I believe most people do not know much about it, so share this article for your reference, I hope you can learn a lot after reading this article, let's go to know it!

I'm glad to solve the serverTimezone problem!

Thinking that the program can work properly, it can write to or read data from the database.

As a result, the error message comes out again at run time: unknown entry xxx. It means that the database class is not recognized.

First check the data table mapping * .hbm.xml, there is no error

Then check the storage path of the data table mapping file, and put it in the same directory as the model class of java, which is also OK.

So what's the problem?

All right, ask du Niang for advice. Oh, it turns out that you want to add a mapping entry to hibernate.cfg.xml to indicate the data table mapping file and the relative storage path.

My configuration results are as follows:

At last, the program can run correctly and write the test data.

The above is all the contents of the article "what to do if there is a unknown entry problem in hibernate". Thank you for reading! I believe we all have a certain understanding, hope to share the content to help you, if you want to learn more knowledge, welcome to follow the industry information channel!

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