It recognizes the properties, it runs Spring, it recognizes the key, but it just doesn't use it. I even created the whole project from scratch to see if something had gotten tangled up while I tried to solve it. Configuring the pom, project structure, run configurations, adding settings, and more. It's hard to list all attempts I've made, but I've tried everything I've seen. I have exhausted all suggestions I've found online, and nothing works. While a missing property in a configuration file will. It seems to be centered around that isn't passed, although Spring Boot works in every other regard. Properties with optional values are the middle-ground between standard and properties with default values. It also supports Spring Expression Language (SpEL). We can read spring environment variables as well as system variables using Value annotation. If I write the key as a string instead of using it reads it and everything works like it should. One of the most important annotations in spring is Value annotation which is used to assign default values to variables and method arguments. If I run mvn spring-boot:run, everything executes perfectly like it should, except the api-key is left null. Even if I go to application.properties and use "Find usages" on the api.key, it shows the right place in the code where it is used. ![]() Import class M圜onfig String M圜lass getKey() is the key from application.properties, but on run time, it doesn't use it, and I get a 401 error (because the field is null). ![]() ![]() Check out our free courses to get an edge over the. The value market with isn't getting passed during run time. Spring Boot Annotations do not use XML and instead use the convention over configuration principle.
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