Programmer Help

The article begins with the official account of "Guo Guo Guo". Address: http://blog.itwolfed.com/blog/97 brief introduction JSR-303 is a sub specification of JAVA EE 6, called Bean Validation. At any time, when you want to deal with the business logic of an application, data validation is something you must consider and face. The ap ...

1, JSR 303 1. What is JSR 303? JSR is the abbreviation of Java Specification Requests, namely Java specification proposal.There are all kinds of JSR, which is simply understood as a Java standard.JSR 303 is a standard for data verification (Bean Validation (JSR 303)).reference resources:　　https://www.jianshu.com/p/554533f88370 2. Why JSR 303? ...

Reference material JSR303, 349 -Bean Validation data validation specification instructions and validation process source code analysisSpring global exception handling Matters needing attention Use Java JSR303, 349 Bean Validation data validation specification to do data validation reference: JSR303 ...

problem Starting springboot project with external tomcat failed with error: ERROR: Context initialization failed org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'entityManager' defined in com.zgglyun.dfdts.config.manager.AppConfig: Invocation of init method failed; nested exception is javax.persistence.Per ...

Every sentence > At the top of the pyramid is practice, learning without thinking is useless and thinking without learning is perilous (many programming frameworks now teach you fragmented practice only). Relevant Reading [Xiaojia Java] Deep understanding of data validation: Java Bean Validation 2.0 (JSR303, JSR349, JSR380) Hibernate-Validat ...

Every sentence To be rich, build roads first. In order to use it, first of all, the foundation needs to be built, and the technology must not be built in the air. Relevant Reading [Xiaojia Java] Deep understanding of data validation: Java Bean Validation 2.0 (JSR303, JSR349, JSR380) Hibernate-Validation 6.x use caseKnow more about Bean Validati ...

Every sentence > My emperor does not retire from military service every day, and so on are all ministers. Interested in Spring, Scannable Code joins the wx group: `Java Senior Engineer, Architect 3 groups'(there are two-dimensional codes at the end of the article) Preface Data validation has been mentioned many times in previous articles ab ...