Gustavo Gustavo - 3 months ago 35
Java Question

What is username and password for Spring Boot starter Tomcat?

When I deploy my Spring application via Spring Boot and access

localhost:8080
I have to authenticate, but what is the username and password or how can I set it?
I tried to add this to my
tomcat-users
file but it didn't work :

<role rolename="manager-gui"/>
<user username="admin" password="admin" roles="manager-gui"/>


This is the starting point of the application:

@SpringBootApplication
public class Application extends SpringBootServletInitializer {

public static void main(String[] args) {
SpringApplication.run(Application.class, args);
}

@Override
protected SpringApplicationBuilder configure(SpringApplicationBuilder application) {
return application.sources(Application.class);
}
}


And this is the Tomcat dependency:

<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-tomcat</artifactId>
<scope>provided</scope>
</dependency>


How to authenticate on
localhost:8080
?

Answer

I think that you have Spring Security on your class path and then spring security is automatically configured with a default user and generated password

Please look into your pom.xml file for:

<dependency>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-starter-security</artifactId>
</dependency>

If you have that in your pom than you should have a log console message like this:

Using default security password: ce6c3d39-8f20-4a41-8e01-803166bb99b6

And in the browser prompt you will import the user user and the password printed in the console.

Or if you want to configure spring security you can take a look at Spring Boot secured example

It is explained in the Spring Boot Reference documentation in the Security section, it indicates:

The default AuthenticationManager has a single user (‘user’ username and random password, printed at `INFO` level when the application starts up)

Using default security password: 78fa095d-3f4c-48b1-ad50-e24c31d5cf35
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