I am having trouble with resolving this error in Flink (Version 1.11.0): This is how I create a keyed windowed stream: And here is how my ComputeFeatures function looks like: The StreamElement::getId returns a Long so everything regarding types should be correct, but it seems that Flink still has trouble infe…
Tag: java
java.io.FileNotFoundException in Android accessing files on Google Drive
I tried to read the csv file inside Google Drive through the link. But it’s accessible or impossible. If it return the requestCode, it will also return ‘200’, but in most cases it will return ‘403’. I thought about it for a few days, but I don’t know why I can’t appro…
Build Docker Image with Java and Node.js together (Error : java: not found )
I’ve an API application that run both node and java files(jar) together. When I run the application locally it works, but once I create a docker image for it, I got an error from the postman . I believe that I’m missing the jave configuration in docker file but I don’t know how to put the co…
How the output of the below code becomes 1 need good explanation
The result of the above program is 1 but I am not sure how its giving the result of 1. someone pls explain this to me.. it was asked in one of the interview I had for automation Answer So at first break this statement and try to understand what’s going on So you must be aware with operator precedence
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…
How to add @RestController to spring-webflux apps?
The annotation @RestController cannot be resolved when only adding spring-boot-starter-webflux as maven dependency: pom.xml: What is missing here? According to many resources out there (eg https://medium.com/javarevisited/basic-introduction-to-spring-webflux-eb155f501b17), the webflux dependency should be suf…
.jar File can’t find image file path
I’m creating a simple program that I now want to export as a executable jar file. Everything works fine except the jar file can’t find the image. For creating the runnable JAR file I used the second option in Eclipse 2021-12 (Package required libraries into generated JAR). This seems to work well,…
FileNotFoundException in SpringBoot when running in Docker Container
My Springboot Application is running fine in IDE but when I create fat jar file and run on docker it gives the error. I am connecting my application with firebase so i want to include the serviceAccountKey.json file from the resource folder. The application runs fine in my ide, but while deploying it over the…
Should such a class be tested? (aggregation of already tested functions)
I have the following code in Class A where both requestService.createGetSessionRequest() and httpService.sendAsyncAndReceive() are tested already in other unit tests: I am wondering, should I even create tests for A.createSession()? Basically it seems that it could be useful as a developer might accidentally …
Spring Boot – Controller is recognised but the api is not binded
I have two files in my application. The Main class file. The controller class. My application.properties looks like : Here’s what my console looks like : I tried hitting the api with the url : http://localhost:8080/util-service/util and this throws up a 404 error. So even though the controller is picked…