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W3spoint99
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W3spoint99Begginer
Asked: January 8, 2025In:
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How do I configure the TCP/IP port listened on by a Spring Boot application, so it does not use the default port of 8080.

application.propertiesJavaportserverspringspringboot
  1. Saralyn
    Saralyn Teacher

    Option 1: s said in docs either set server.port as system property using command line option to jvm -Dserver.port=8090 or add application.properties in /src/main/resources/ with server.port=8090 For a random port use: server.port=0 Similarly add application.yml in /src/main/resources/ with: server:Read more

    Option 1:

    s said in docs either set server.port as system property using command line option to jvm -Dserver.port=8090 or add application.properties in /src/main/resources/ with

    server.port=8090

    For a random port use:

    server.port=0

    Similarly add application.yml in /src/main/resources/ with:

    server:
  port: 8090

    Option 2:

    You can configure the port programmatically.

    For Spring Boot 2.x.x:

    @Configuration
public class CustomContainer implements WebServerFactoryCustomizer<ConfigurableServletWebServerFactory> {
  public void customize(ConfigurableServletWebServerFactory factory){
    factory.setPort(8042);
  }
}

    For older versions:

    @Configuration
public class ServletConfig {
    @Bean
    public EmbeddedServletContainerCustomizer containerCustomizer() {
        return (container -> {
            container.setPort(8012);
        });
    }
}
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W3spoint99
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W3spoint99Begginer
Asked: January 8, 2025In:
  • 0

How can I access values provided in application.properties, like logging.level.org.springframework.web: DEBUG logging.level.org.hibernate: ERROR logging.file=${HOME}/application.log userBucket.path=${HOME}/bucket For instance, I want to access userBucket.path in my main program in a Spring Boot application.

application.propertiesJavaproperties filespringspringboot
  1. Saralyn
    Saralyn Teacher

    Option 1: You can use the @Value annotation and access the property in whichever Spring bean you're using @Value("${userBucket.path}") private String userBucketPath; The Externalized Configuration section of the Spring Boot docs, explains all the details that you might need.   Option 2: AnotherRead more

    Option 1:

    You can use the @Value annotation and access the property in whichever Spring bean you’re using

    @Value("${userBucket.path}")
private String userBucketPath;

    The Externalized Configuration section of the Spring Boot docs, explains all the details that you might need.

     

    Option 2:

    Another way is injecting org.springframework.core.env.Environment to your bean.

    @Autowired
private Environment env;
....

public void method() {
    .....  
    String path = env.getProperty("userBucket.path");
    .....
}
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