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fedc4647e1
Previously, the server was created with out an explicitly configured address. This lead to it using any local address which will prefer IPv6 (::0) if it's available. By contrast, the client was created with a base URL that specified localhost as the host. This meant the the client would prefer to connect to IPv4. Normally this wouldn't cause a problem as nothing would be listening on the port in the IPv4 stack so the client would then connect to the server being tested using the IPv6 stack. However, if another process was listening to the port in the IPv4 stack, the client would connect to the wrong server. This could lead to an unexpected 404 response (if the wrong server was an HTTP server) or a hang if it was not. There's a chance, although I think it's unlikely, that the problem described above is the cause of gh-10569. I think it's unlikely as the hang tracked by gh-10569 only occurs when running the WebFlux endpoint integration tests using Reactor Netty. If it was the problem described above, there's no reason that I can think of why we wouldn't have also seen it with the Web MVC endpoint integration tests. |
7 years ago | |
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| .. | ||
| src | 7 years ago | |
| README.adoc | 7 years ago | |
| pom.xml | 7 years ago | |
README.adoc
= Spring Boot - Actuator
Spring Boot Actuator includes a number of additional features to help you monitor and
manage your application when it's pushed to production. You can choose to manage and
monitor your application using HTTP or JMX endpoints. Auditing, health and metrics
gathering can be automatically applied to your application. The
http://docs.spring.io/spring-boot/docs/current/reference/htmlsingle/#production-ready[user guide]
covers the features in more detail.
== Enabling the Actuator
The simplest way to enable the features is to add a dependency to the
`spring-boot-starter-actuator` '`Starter`'. To add the actuator to a Maven-based project,
add the following '`Starter`' dependency:
[source,xml,indent=0]
----
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-actuator</artifactId>
</dependency>
</dependencies>
----
For Gradle, use the following declaration:
[indent=0]
----
dependencies {
compile("org.springframework.boot:spring-boot-starter-actuator")
}
----
== Features
* **Endpoints** Actuator endpoints allow you to monitor and interact with your
application. Spring Boot includes a number of built-in endpoints and you can also add
your own. For example the `health` endpoint provides basic application health
information. Run up a basic application and look at `/actuator/health`.
* **Metrics** Spring Boot Actuator provides dimensional metrics by integrating with
https://micrometer.io[Micrometer].
* **Audit** Spring Boot Actuator has a flexible audit framework that will publish events
to an `AuditEventRepository`. Once Spring Security is in play it automatically publishes
authentication events by default. This can be very useful for reporting, and also to
implement a lock-out policy based on authentication failures.