I am writing a desktop Java application as a web service client. I want to use WebSocket to implement notification “callback” from the server. I am using the Spring framework’s WebSocketStompClient. Below snippet shows how I initialize it: It works perfectly if I run it in IntelliJ IDE, howe…
Error processing condition on org.springframework.boot.actuate.autoconfigure.metrics.MetricsEndpointAutoConfiguration
I am a novice Java Spring programmer. I am moving some test code from an older jHipster project to a new one. I added this to the pom.xml to fix a compilation error. This fixed my compilation issue but caused runtime errors. I am now getting these runtime errors. Caused by: java.lang.IllegalStateException: Er…
“dev” config overrides “test” config in Quarkus
In my Quarkus application, I don’t want passwords to be versionned by Git. I don’t have any issue with the prod profile because I have a config file in $PWD/config/application.properties. Fine. For the dev profile, I’m using the .env approach which contains properties such as : I’m try…
Why is the GZIP “os” header hard-coded to FAT in Java?
RFC 1952 section 2.3.1 specifies that GZIP headers must contain an OS flag: OS (Operating System). This identifies the type of file system on which compression took place. This may be useful in determining end-of-line convention for text files. The currently defined values are as follows: However, Java’…
Parameter 0 of constructor in ‘ ‘ required a bean of type ‘ ‘ that could not be found
I am creating a spring boot application, wherein any client can submit the request, these request can be GET, PUT, POST, DELETE. But while creating this application, I am getting the following errors: The structure of my application is: PersonDao.java PersonService.java I know that many questions with the fol…
How to apply user defined try catch block in java
I am a beginner and I’ve finished the basic Nim game. Now I want to apply the try catch block to the program to make sure the flow control is perfect. However, the resources I’ve seen for now is to catch the exception in the main method that all the methods created must be called in the try block …
Conflict while implementing int and long in Java for a simple problem
I was attempting a simple code of determining whether a number is perfect square or not and wrote the below code : public boolean isPerfectSquare(int num) { int l = 1; int r = num; while (…
Rockpapergame with rounds and counter variables – java
I am creating a rock paper project which has the following requirement: Continually plays rounds of rock, paper, scissors until one of the players wins three rounds. At that point, the program outputs the winner and the number of rounds it took them to win. If there is no winner after 10 rounds, the competiti…
How to properly decode and encode characters from JTextArea
I have a program that works on a console, and i want to make a custom console for it. Current command line interface can be started with a method that takes an InputStream and PrintStream as arguments. I have two text areas (JTextArea), one of which i want to use for input and the other one for output. I̵…
How to make textviews visible depending on progress of seekbar
I am trying to make 4 different textviews visible depending on the progress of my seekbar (one visible at a time). I set the textviews to invisible and the seekbar max to 100. It works fine for the …