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Merge pull request #22898 from johncfranco 

* pr/22898:
  Polish "Harmonize Discover the HTTP Port at Runtime How-To"
  Harmonize Discover the HTTP Port at Runtime How-To

Closes gh-22898
This commit is contained in:
Stephane Nicoll 2020-08-12 09:51:02 +02:00
parent cdbb7f441a ee2363fca7
commit 5c14e853cf
1 changed files with 2 additions and 5 deletions
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7
spring-boot-project/spring-boot-docs/src/main/asciidoc/howto.adoc
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@ -497,8 +497,8 @@ To scan for a free port (using OS natives to prevent clashes) use `server.port=0
[[howto-discover-the-http-port-at-runtime]]
=== Discover the HTTP Port at Runtime
You can access the port the server is running on from log output or from the `ServletWebServerApplicationContext` through its `WebServer`.
The best way to get that and be sure that it has been initialized is to add a `@Bean` of type `ApplicationListener<ServletWebServerInitializedEvent>` and pull the container out of the event when it is published.
You can access the port the server is running on from log output or from the `WebServerApplicationContext` through its `WebServer`.
The best way to get that and be sure it has been initialized is to add a `@Bean` of type `ApplicationListener<WebServerInitializedEvent>` and pull the container out of the event when it is published.
Tests that use `@SpringBootTest(webEnvironment=WebEnvironment.RANDOM_PORT)` can also inject the actual port into a field by using the `@LocalServerPort` annotation, as shown in the following example:
@ -507,9 +507,6 @@ Tests that use `@SpringBootTest(webEnvironment=WebEnvironment.RANDOM_PORT)` can
@SpringBootTest(webEnvironment=WebEnvironment.RANDOM_PORT)
public class MyWebIntegrationTests {
@Autowired
ServletWebServerApplicationContext server;
@LocalServerPort
int port;