Vscode Error:
org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'org.springframework.boot.autoconfigure.orm.jpa.HibernateJpaConfiguration': Unsatisfied dependency expressed through constructor parameter 0; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'dataSource' defined in class path resource [org/springframework/boot/autoconfigure/jdbc/DataSourceConfiguration$Hikari.class]: Bean instantiation via factory method failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [com.zaxxer.hikari.HikariDataSource]: Factory method 'dataSource' threw exception; nested exception is java.lang.IllegalStateException: Cannot load driver class: com.mariadb.jdbc.Driver
问题:
errAxiosError: Request failed with status code 403
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problem:
Error in v-on handler: "TypeError: this.$refs[_editdataSourceNyName] is undefined"
problem:The operator != is undefined for the argument type(s) int,nullJava(536871072)
```JAVA
public int getId() { public Integer getId() {
return id; ==> return id;<br>
} }