![]() Grafana Agent to collect logs, metrics, and tracesĪfter all the containers are up, you can access the application here: and Grafana here: A dashboard called Hello Observability is also pre-loaded.Let’s now run the whole stack locally inside Docker to see it in action. All configurations needed to generate and collect logs, metrics, and traces are already configured. To do so, you will have to start all services using docker-compose. We have not done any instrumentation to collect logs, metrics, and traces so far. Stop the docker container using the following command: You can also run it inside a Docker container with the following command, and access the application here: docker run -d -p 8080:8080 -name hello-observability hello-observability Java -jar target/*.jar Spring Boot application in Grafana Cloud: Hello Observability UI You can then run the application directly and access it here: Very simple application, indeed! Spring Boot application in Grafana Cloud: diagram of HTTP requestsĬlone the repository to look at the code, then build the application and the application container: git clone Ĭd hello-observability/hello-observability It mainly contains one Java class HelloObservabilityBootApp, which contains two methods that can serve HTTP requests. The Hello Observability application is extremely simple. Very exciting! Let me first introduce the wonderfully simple Spring Boot application, Hello Observability. Use Prometheus to instrument the application so that we can collect metrics, and correlate the metrics with traces leveraging Grafana’s exemplars.Then correlate logs with traces and metrics from the application. Automatically log every request to the application, and ship these logs to Grafana Cloud using Grafana Agent.Use OpenTelemetry to instrument a simple Spring Boot application, Hello Observability, and ship the traces to Grafana Cloud using Grafana Agent.In this blog, we will walk through detailed steps on how you can observe a Spring Boot application, by instrumenting it with Prometheus and OpenTelementry and by collecting and correlating logs, metrics, and traces from the application in Grafana Cloud. By overriding it with 5.2.20, you are swapping out spring-framework-bom 5.2.8 for 5.2.20 which effectively pull most of the spring packages for 5.2.Spring Boot is a very popular microservice framework that significantly simplifies web application development by providing Java developers with a platform to get started with an auto-configurable, production-grade Spring application. Spring-boot-dependencies is parent of spring-boot-starter-parent (see ).īecause the property is inherited by descendant, you can override its value at the pom of your application. The spring-framework.version property is declared and used to pull the spring-framework-bom in spring-boot-dependencies and inherited by its descendants (see ). The spring-framework-bom at version X is hardcoded to all the spring packages for version X (see ) Without the property, spring-framework is 5.2.8, with the property, it is 5.2.20. I just tried your pom (with and without the spring-framework.version property) on a clean m2 repo. Įdit after Solution by have additonally an internal lib pom imported in my pom.xml Īnd this internal lib has the spring-boot-dependencies pom directly imported which leads to the fact that spring-framework.version property is ignored: So setting the amework property in maven will have no effect. If you have a look at the spring-boot-starter-webflux-2.3.3.RELEASE.pom which includes the problematic spring-web 5.2.8.RELEASE you will find that the spring version is hardcoded to 5.2.8.RELEASE. | \- :nio-multipart-parser:jar:1.1.0:compile | +- org.springframework:spring-webflux:jar:5.2.8.RELEASE:compile | +- org.springframework:spring-web:jar:5.2.8.RELEASE:compile ![]() | +- :spring-boot-starter-reactor-netty:jar:2.3.3.RELEASE:compile | | \- :jackson-module-parameter-names:jar:2.11.2:compile | +- :spring-boot-starter-json:jar:2.3.3.RELEASE:compile This is a part of mvn dependency:tree: +- :spring-boot-starter-webflux:jar:2.3.3.RELEASE:compile I also looked up the spring-boot-starter-web-2.3.3.RELEASE.pom and it has the spring-web dependency hardcoded to 5.2.8.RELEASE.Īre there any other ways of upgrading the spring-framework version in spring-boot besides adding all the new versions as dependencies to the dependencyManagement section? I tried overriding the spring-framework.version property from spring-boot-dependencies. ĭue to the spring4shell CVE I wanted to upgrade the spring-framework to 5.2.20.RELEASE instead of the already included 5.2.8.RELEASE. I am using spring-boot 2.3.3.RELEASE with the according spring-boot-starter-parent in maven.
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