My Swing program creates many threads and it’s getting hard to handle exceptions properly. I would like to rely on a global exception handler, and i came across Everything seemed to work fine, until i introduced a SwingWorker to perform a background task. Apparently, if an exception occurs inside my swi…
Tag: java
X-Ray trace doesn’t shows inner method call
I’m new to aws x-ray and trying to use x-ray with AOP based approach in a springboot application. I was able to get the traces in the aws console, but traces doesn’t show inner method call method2() details. Am I missing anything here. Controller class Aspect Class When I hit http://localhost:8080…
How to design my process – loop over a list(cannot use simple ListItemReader because list not at root level) + 1 query for each item – spring batch
If some of you could help me design my spring batch process it would be nice 😀 I need to perform ETL by consuming a REST API & then store some data from it. This process must be daily & Spring Batch seems perfect to achieve what I want since we already are using Spring framework for a lots of
Saving an ArrayList<ArrayList> to File
I am able to save an ArrayList to a file without any problems, but when I try to write and read an ArrayList<ArrayList<Integer>> to file it nulls out the values. I cannot find an example of this format working, or any subject matter as to why it wouldn’t work. Does anyone have any insight in…
HTTP status 500 error, Request processing failed; nested exception is org.hibernate.exception.SQLGrammarException: could not execute statement
I keep getting SQLGrammarException error, I could not find any syntax error from my code. Here is my controller, entity, DAO and JSP file code. Maybe my form tag in addProduct.jsp is wrong, but I could not find the solution. HomeController.java ProductDAOImpl.java Top.java addProduct.jsp Answer Analysis It lo…
Remaining days taking one date as a reference in Java
I have a variable of type LocalDateTime which has a date stored, for example 14/03/2020. I would like to know how I can get the days remaining to be again the 14th day of the month 3; in this case (from August 1, 2022), there are 225 days. I really have no idea how to get that value. Answer Determine
How to call a Java method from Javascript
How do you call a Java method/ function from Javascript? Java Function: Javascript Function: Answer To call java code from javascript in your react-native app, you have to create a module I suggest reading the docs: https://reactnative.dev/docs/native-modules-android Java code – android/app/src/main/jav…
Spring boot – Maven – BUILD FAILURE
Hello I’m having trouble starting spring boot and I really don’t know whats going on. I have tried with the POM and the Aplication.properties but I just can’t find whats wrong. Here is the log: ——————————————…
UnsatisfiedLinkError using openjdk:17 inside Docker container
I want to Dockerize a web application, which works perfectly fine locally. When trying to run the application inside Docker, an UnsatisfiedLinkError is thrown when invoking a function from the Nauty library. To work with this library locally, the Spring application has to be started by doing This library path…
Change voice of MaryTTS to French
I started to use MaryTTS in a java project and it’s working fine but with an english voice : I need to set the voice to French. So this is my pom.xml : Those are my dependencies, so I have the maryTTS one, and the one that should bring me the french voice that I take on MavenSearch : https://search.mave…