While playing around with the javax provider, I have created a spring configuration file with the following two Beans: I am injecting these two beans in two different services like so: The implementation works as expected and my depending controllers also return the data in the anticipated format. Now I wante…
Tag: autowired
How to pass parameter to a @Component class which can’t be autowired in Spring Boot
I am building a desktop application using JavaFx and Spring Boot and I am stuck at some problem I have @Component class Translator which extends Task<String> and makes an api call to google translation api and I want to pass an autowired bean class and some string parameters such as source and target la…
Spring Boot @RestController @Autowired null in Unit tests
I can’t understand why @Autowiring my @RestController class is returning null. I want to do a basic unit test before doing an integrated test but its failing. In fact anything that is being @Autowired is showing null in the test package. I have a very simple test, I just want to see the basic works: A v…
Java Spring Boot @Autowired values are null
When I try to print the variable that I have autowired, it prints “null” instead of the value I set it to, “Example.” I can’t quite figure out what I’m missing In my AppConfig class I have: In my other class, DAOMethods, that I want to autowire the variable in: Answer They …
How to inject a private field in a Component class while keep initiating with @Autowired in parent class in Spring?
I am learning Spring while I like the idea of using @Component and @Autowired to let Spring manage the dependent bean. For example, I have a Service class and Builder Class I can do with Spring would take care of the creation of from SomeController to SomeService to SomeBuilder with the usage of @Autowired. H…
Autowired property is null in EnvironmentPostProcessor implementation class on startup
In my SpringBoot app, I have Autowired an configObject in the class that implements EnvironmentPostProcessor. The injected class reads data from a different source on startup as this is required for the app to work. But upon starting the application, the configObject is coming off as Null. And the AppEnvironm…
How to create immutable and singleton class in Spring boot?
I have a person model class that needs to be immutable and singleton. I need to autowire from my service class but getting an error. So is there any way to create a singleton immutable class in spring boot? where i can set values in person (via autowire) and use the same in the entire application. I have just…
Should I annotate pojo class with @Component?
I searched whether I should annotate POJO with @Component or not. It seems like it is recommended not to annotate pojo. Here is my OrderStatusMnemonic Configuration class that reads a txt file: OrderStatus POJO: Since I am autowiring OrderStatus POJO class I am getting error: Consider defining a bean of type …
ServletContext not able to inject through by passing it as an parameter in Spring MVC
Hi all i am trying to get ServletContext in my following method but it is not getting injected while passing it as an parameter as it should be injected by the spring automatically but its not working don’t know why this is the following code inside which I want servletcontext but when I tried using the…
Spring boot @Autowired not working in unit test case
As I understand that if we use spring stereotypes then we don’t need to use new keyword to create an instance. Spring manages that for us and provide us with the beans at runtime. And in order for Spring to inject those beans we need to use @Autowired annotation where we want Spring to inject that bean.…