Well, I’m trying to compile a java plugin for Bukkit/Spigot, but I’m getting the following error: The respective parts of the file where’s the error (I mean): And this: The plugin ins’t mine, but I need to compile with the correct version of spigot. The problem is that I don’t kn…
A way to bind Java Map to sql varchar in JDBI INSERT statement
Is there a way to bind a java Map<String, Object> to a varchar in the the JDBI @BindBean annotation. So for example I have a class Something.class and I create a @SqlBatch(“INSERT INTO Something (name, payload) VALUES(:name, :payload)”). Now in my java class the name is of type String and pa…
Security framework of XStream not initialized, XStream is probably vulnerable
Security framework of XStream not initialized, XStream is probably vulnerable I keep getting this console error in red while using XStream (1.4.10) I tried the following: XStream.setupDefaultSecurity(xs); and xs.addPermission(AnyTypePermission.ANY); xs.addPermission(NoTypePermission.NONE); none of which got r…
What advantage is there to using Spring @Async vs. CompleteableFuture directly?
What’s the advantage of using Spring Async vs. Just returning the CompletableFuture on your own? Answer Your application is managed by the container. Since it’s discouraged to spawn Threads on you own, you can let the container inject a managed Executor.
@PostConstruct annotation and spring lifecycle
I’m new to Spring, I would like to know: I have a java class annotated with @Component (spring) and inside I have a method annotated with @PostConstruct. The class is then referenced by @Autowired annotated field in another class. Can I assume that the class is only injected after @PostConstruct is call…
IntelliJ IDEA: StackOverflowError on Build Project
I am using the following IntelliJ. I have been getting java.lang.StackOverflowError upon building the project. Has anyone fallen into the same situation? Build Message↓ Answer Adding -Xss4m to the build process VM options should help:
What is the use of @EnableWebSecurity in Spring?
As per the Spring documantation: Add this annotation to an @Configuration class to have the Spring Security configuration defined in any WebSecurityConfigurer or more likely by extending the WebSecurityConfigurerAdapter base class and overriding individual methods: Or As this @EnableWebSecurity depicts, is us…
Docker and Eureka with Spring Boot failing to register clients
I have a very simple demo of using Spring Boot + Docker Compose + Eureka. My server runs on port 8671 with the following application properties: My Eureka client runs on port 9000 with the following application properties: When I start up my docker.compose file in the parent maven project, this is the content…
Convert string to date (CEST works fine, GMT+02:00 doesn’t work)
Question Why is my Android app unable to parse String str1= “Tue Jun 20 15:56:29 CEST 2017”? I found some similar questions, but none of them helped me. Sidenotes In my project I have some Java applications which are running on a computer and some Android applications. They are able to communicate…
How to stop a scheduled task that was started using @Scheduled annotation?
I have created a simple scheduled task using Spring Framework’s @Scheduled annotation. Now I want to stop this task, when no longer needed. I know there could be one alternative to check one conditional flag at the start of this method, but this will not stop execution of this method. Is there anything …