This article mainly records the errors and solutions I encountered in my study
1 environment
springboot + thymeleaf + spring security
2 errors
This page appears, but the authentication has indeed been successful
3 Related code
3.1 security configuration class
Insert code snippet here
@EnableWebSecurity
@EnableGlobalMethodSecurity(prePostEnabled = true)
public class NewSevurityConfig extends WebSecurityConfigurerAdapter {
@Override
protected void configure(HttpSecurity http) throws Exception {
// Custom login page
http.formLogin()
.loginPage("/toLogin")
.usernameParameter("username")
.passwordParameter("password")
.loginProcessingUrl("/login")
.successForwardUrl("/");
}
// Other configuration omitted
}
3.2 Main front-end code
<div>
<form th:action="@{/login}" method="post">
username<input type="text" name="username">
password<input type="password" name="password">
<button type="submit" >log in</button>
</form>
</div>
4 Solution
After checking, the error is in successForwardUrl(“/”) in 3.1
Replace with defaultSuccessUrl(“/”)
// Custom login page
http.formLogin()
.loginPage("/toLogin")
.usernameParameter("username")
.passwordParameter("password")
.loginProcessingUrl("/login")
.defaultSuccessUrl("/"); //Replace successForwardUrl here with defaultSuccessUrl
5 Cause of error
The cause of the error is temporarily unclear. Due to time, it is temporarily recorded. We will learn more about the cause of the problem later.
