So I have read the migration document on how you port code from Log4J to SLF4J Api, but I am still unclear what you do when your legacy code 3rd party dependencies have a dependency on Log4J. I obviously, don’t want my final executable jar file to contain the Log4J jar, so I can of course add an exclusi…
Tag: java
Find index in array based on given value
I have a sorted array of numbers with array length as n. For a given item k find index i in the sorted array where elements from index i to n are greater than the given item k. If there is no index present then return -1 This is my program: The time complexity of this approach is O(n), and
Spring Boot: Custom exception adds prefix to the exception message
In a Spring Boot app, I created a custom GlobalExceptionHandler and add the following method to handle ConstraintViolationException for invalid file type during upload process: My buildErrorResponse works correctly and build proper responses for other handle methods. However, It adds “uploadFile.file:&#…
Using TextureView and MediaPlayer in Jetpack Compose
My source code was written in Java and now I want to convert to Compose How can I convert the above code to Compose? Java How can I convert the above code to Compose? My source code was written in Java and now I want to convert to Compose This is the way I use now, but it’s not working
Why does my Android studio App crash when I spam click at the beginning of an activity?
The app works fine if I wait a bit after clicking play, but if I want click on anything clickable right away, the app crashes. Here is the error message: Here is my GameView class: Answer The call stack tells you that in the method Joystick.getIsPressed you are trying to convert a Boolean object to a boolean …
ImmutableMap.of vs Java Map.of
I have seen that ImmutableMap.of is used to create immutable map object. At the same time Java offers Map.of which creates immutable map as well. Is there any advantage of using ImmutableMap.of instead of Map.of from Java ? Edit: I am not asking differences between map and immutable map. I am asking why some …
How to decrypt a password protected RSA key in java?
I’m writing a code to consume a private key to encrypt and decrypt a message. The problem is that the key i use is protected by a passphrase. So i have to decrypt the key itself before use it to encrypt and decrypt. This is the header of the key content: How can I achieve that in Java? Answer This
Force deploy of web application to fail on Tomcat
We are researching the possibility to migrate some web JSF applications from Payara 5 to Tomcat 9 (TomEE 8). We are using Java 11 and Java EE 7/8. Our applications connect to a backend server using RMI. At the moment, with Payara 5, when the code that connects us to the backend server fails (exception is thro…
how do I fix my flutter app not building with cloud firestore?
So I am new to flutter and firebase and I wanted to add firestore capabilities to my app, but when I tried to use firestore I got an error The plugin cloud_firestore requires a higher Android SDK version. │ │ Fix this issue by adding the following to the file │ │ C:UsersJaffStudioProjectspriv_chatandroidappbu…
How to replace CXF base url in WSDLs
I’m using Apache CXF and Spring Boot to expose SOAP endpoints. Here’s the config: You can see that I expose one endpoint. It’s accessible at https://localhost:8081/daas/activate/activateGateway?wsdl: But this location=”https://localhost:8081/daas/activate/activateGateway is not valid b…