We have a Java application which has had a JConsole connection with password authentication for a while. In improving the security of this, we are trying to encrypt the connection made from JConsole to the application. Up until now, we have launched our application with the following launch command: With this…
Tag: java
java model mock response json
I am creating a Rest service which calls an external service. I have this problem: the external service I call responds in two ways depending on the case of Success or Failed. This is json: Well I created 3 simple classes: class XXX… private String result, status; …. getter & setter class Resp…
How to call a method and run it asynchronously?
Is there a way to run getUsers() asynchronously only from main() in Java 8? Running getUsers() on the main thread would take 300 seconds. I wish to make it in less than 180 seconds with 4 cores. Without modifying getUsers() (the objective), running the following is still taking 300 seconds: Answer You can div…
How would you add a time offset using the same name as the class name for the parameter
I need to fill out the method for the time offset but using the class name as a parameter name and I don’t know how to do it I have tried adding the variables together but I get errors saying “You can’t convert Time to an int” So I have no clue on what to do, please respond soon thank
How to handle synchronous responses with Spring Cloud Data Flow
We are in the process of designing the migration of our monolithic Java application to microservices to meet various client requirements such as scalability, high availability, etc. The core function of our application is data processing, i.e. retrieve data from a source, put it through 0 or more transformati…
Flink Job submission throws java.nio.file.NoSuchFileException while the file actually exists
I tried to submit a flink job that is already packaged in a JAR. Basically it consumes a kafka topic protected by SASL authentication, thus it requires a .jks file which I already include them in JAR and read in the code as: I tried to submit the job on two different (different VM specs) standalone server for…
How to change an already generated project language from Kotlin to Java in Android Studio?
I created a project using kotlin as the prefer language but for some reasons I want to use java. I don’t want to create this project over. Answer Just create a file with extension .java and work on that
How to make all images in Grid Overlay flush?
I am trying to implement a GUI for a maze-based game I created that meets the following specific conditions: The GUI itself has a set size and is not resizable (line 41) . The master panel (line 57) that contains all the maze images is scrollable. All maze image components are flush with each other. If maze i…
Java Inheritance, instanceof, casting – how to accept a children object throught parent object?
I have three classes: (Parent) Animal, (Child) Bird & Monkey Monkey has weight & two pet Animals, which can be another Monkey, or bird Bird has weight & a name (weight, name) Together, they form a TREE, where leaf nodes are Bird, and non-leaf nodes are Monkeys (SEE VISUAL) While recursively traver…
Java: Abstract class with builder pattern
I hope this isn’t a duplicate; I know there are some similarly named questions but none of them seemed to solve my problem. I have multiple classes that are exactly the same – apart from one specific method. So I decided to create one abstract parent class, let’s call it A. A runs all the co…