I have a common issue and none of all the other similar questions on the forum helped me sofar. Pls bear with me, im still learning. l have a Spring boot app. Unfortunately the first property that I declare doesn’t work due to type mismatch from String to int. The other works just fine. my application.p…
Tag: spring
RejectedExecutionException in ScheduledFutureTask in Spring WebApp after ContextRefreshed
I’m using this code to Schedule a Task in my Java 8 Spring WebApp: In a @Controller; When the App starts, the Execute() method gets called 10 seconds after startup with no errors, but after it completes I get the following stack trace: java.util.concurrent.RejectedExecutionException: Task java.util.conc…
Spring Batch Wildcard ItemWriter
I have one dummy question. To explain my use-case, I have different type of DAOs; say Users, Beers… etc. I wanted to use one generic ItemWriter for all of them. I created a CommonComponentConfiguration where I defined; The writer class goes like this; So far everything is okay. Where things gets complic…
Spring cannot create UserService bean
Dao tier. I have abstract jpa dao interface, extended interface, and I added abstract implementation, from which I extend other real used implementations. These classes as follows: Service tier. Here I also have abstract service interface, one extended interface (UserService) and its abstract and real impleme…
Is there a way to execute only some packages in SpringBoot?
I have a use case where I have a lot of services running in the same code base but they are in different packages. So, whenever I start SpringBoot all those services start. Is there a way I can specify SpringBoot to start the code in a particular package? Thanks in advance Answer you can use component scan an…
Spring Boot merge configuration properties
I’ve a use case where I need to bind configuration properties based on two prefixes, one of which is determined at runtime. Let’s say the constant prefix is foo and the runtime prefix is bar. Given a new instance of Java Bean class FooBar, the code should bind all environment variables FOO_, then …
Spring Boot @Schedular not running after first execution
I have written this scheduled task in my SpringBoot app: This runs first time, but not subsequently. Answer It turned out that I was running another “heavy” scheduled task in the same application (it was initially created for testing my business logic and then I forgot to remove that). When I remo…
How to set up different responses for the same request to MockServer?
i’m having an issue when setting up the MockServerClient for multiple responses with the exact same request. I read that with expectations with “Times” this might be done, but i coulnd’t make it work with my scenario. If you call the service with this JSON (twice): The first response s…
How to change Thymeleaf fragments dynamically depending on the href link
I want to build a page with Thymeleaf fragments, which are rendered dynamically depending on the followed link. And I have an issue with resolving fragments names in runtime through the Spring controller. Here is the minimal reproductive example to show what I mean. I have list.html page with two links List 1…
Spring AOP @Pointcut and @Before yields IllegalArgumentException: error at ::0 formal unbound in pointcut
I am doing a springboot project that includes login and accounts. I am trying to @Pointcut all controller method calls and validate the login information, and @Before the pointcut to make sure the session exists. Hence the code: However, this yields org.springframework.beans.factory.BeanCreationException: Err…