this gist is for problem solved in differ language and framwork

framework_error.txt

/*
######spring boot#####
you should add dependecy if existe in this path C:\Users\Republic Of Computer\.m2\repository and search for file that
have extension  .pom 
______1____
@SpringBootApplication(scanBasePackages={"com.deidine.start.repository.EmployeeRepository"})
or
@ComponentScan({"com.deidine.start.repository.EmployeeRepository"}) 
if error is 
Action:
Consider defining a bean of type 'com.deidine.start.repository.EmployeeRepository' in your configuration.
or the eror isWhitelabel Error Page
 use restcontroller and request maping then scan the repository

_______2_____
##error=>Failed to configure a DataSource: 'url' attribute is not specified and no embedded datasource could be configured. Reason: Failed to determine a suitable driver class
##solve=>add this to application.proprites 
spring.datasource.url=jdbc:mysql://localhost:3306/db
spring.datasource.username=
spring.datasource.password=   
spring.datasource.driver-class-name=com.mysql.jdbc.Driver
spring.jpa.database-platform = org.hibernate.dialect.MySQL5Dialect
spring.jpa.generate-ddl=true
spring.jpa.hibernate.ddl-auto = update

________3_____ to add package you have to put it inside depency in  pom.xml 
mysql version in pom.xml is <version>8.0.24</version>

_______4______ 
java.lang.ClassNotFoundException: com.mysql.cj.jdbc.Driver
        at java.base/jdk.internal.loader.BuiltinClassLoader.loadClass(BuiltinClassLoader.java:641)
        at java.base/jdk.internal.loader.ClassLoaders$AppClassLoader.loadClass(ClassLoaders.java:188)
        at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:525)

slove add this 
@SpringBootApplication (exclude = {DataSourceAutoConfiguration.class })


_______5______
the error


Action:

Consider defining a bean of type 'com.deidine.deidine.service.DepartmentService' in your configuration.


don't put the autowired in the controller file because it will cause wihte page error 
_____6____


    @OneToMany(mappedBy = "entite") you should add mappedby to not create other table

user=>(1,n)photo   @OneToMany(mappedBy = "user")  private List<Photo> photos;
photo=>(1,1)user   @ManyToOne  @JoinColumn(name = "user_id")  private User user;

 @JsonIgnore @ManyToMany(fetch = FetchType.EAGER, cascade = CascadeType.ALL, mappedBy = "roles")private Set<User> users = new HashSet<>();

    @ManyToMany(fetch = FetchType.EAGER,cascade = CascadeType.ALL)
    @JoinTable(name = "link_user_role",joinColumns = {@JoinColumn(name = "user_id",referencedColumnName = "id")},inverseJoinColumns = {@JoinColumn(name = "role_id",referencedColumnName = "id")})
    private Set<Role> roles = new HashSet<>();

 _____7_____
error if you redirect to login page evry time you run the app
solved
add this to application (exclude = { SecurityAutoConfiguration.class })

______8_____
if you get 403 evry time you send post request use this
.csrf().disable();
______9_________
error ==>The bean 'metaDataSourceAdvisor' could not be registered. A bean with that name has already been defined and overriding is disabled.
solve if you createin two file in screrty that have this @EnableGlobalMethodSecurity you should use only one in the project



______10_________
error=>The bean 'modelMapper', defined in net.javaguides.springboot.SpringbootBackendApplication, could not be registered. A bean with that name has already been defined in class path resource [net/javaguides/springboot/configuration/SwaggerConfig.class] and overriding is disabled.
slove ==>
@Configuration
public class ModelMapperConfig {
    
    @Bean
    public ModelMapper modelMapper() {
        return new ModelMapper();
    }
    
}
___11_____
error => Fail-safe cleanup (collections) : org.hibernate.engine.loading.internal.CollectionLoadContext
 Springboot Hibernate One to Many infinty recursion create recursion jsion in jsion in json 
solveed => put     @JsonIgnore on the top ove the relation onetomany and manytoone in the entity
If you want to generate the json with the parent but not with the children, you can annotate users with @JsonBackReference and activities with @JsonManagedReference
or add this to the top of the class
@JsonIdentityInfo(generator=ObjectIdGenerators.IntSequenceGenerator.class, property="@id")
_____________12___________________
  public void RemoveByCart(int id) {
        // هذي المشكلة فوت اعليها نهار كامل كان خاصني الا نعيط لمستخدم في وسط
        // user dans le mileu du request de base de donner avec hibrnate
        // الان العلاقة الوثيقة بين ابنية و المستخدم قوية
        // @OneToOne(fetch = FetchType.LAZY )
        // Class cardF
        // @JoinColumn(name = "userid", referencedColumnName = "id", nullable = false )
        // private User user;
        Optional<Cart> optionalCart = cartRepo.findById(id);
        if (optionalCart.isPresent()) {
            Cart cart = optionalCart.get();
            User user = cart.getUser();
            cartRepo.delete(cart);
            // Supprimer l'utilisateur séparément si nécessaire
            // userRepository.delete(user);
        }
    }

*/

/*
#####angular######
______1______
#error=>10% building 3/4 modules 1 active ...t\index.js?http://0.0.0.0:0/sockjs
if you can't run the javascrpit project use this in the package.json

"start": " SET NODE_OPTIONS=--openssl-legacy-provider && ng  serve ",

_____2______
@import "~bootstrap/dist/css/bootstrap.css"; 
--you have to add bootarap to style.css to work in your ptoject 
--you should import the FormsModule to use ngModel in the form html 
--you should put path like this 'login' and dont be like this '/login'


*/