I have two microservices. One microservice is responsible for writing to a redis stream and the other is reading from the redis stream. For some reasons outside of my control, I have to use the Redis Vertx client in order…
everyone! I would be very grateful for your help, I am a beginner in working with MongoDB. I have 2 classes @Data @NoArgsConstructor @AllArgsConstructor @Document(collection = "user") public class User { @Transient public static final String USER_SEQUENCE = "user_sequence"; @Id…
As the title says, I've encountered an issue where not a single <%@ directive attribute is being even recognised in any jsp files on VSCode. For example something like <%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c" %> doesnt work, or <%@page import="java.util.ArrayList" %>.…
OnClickListener does not work on custom imported views using "setContentView" The android app has activity and its activit_layout. Then I placed three button on activity_layout and set "onclicklistener" for each buttons in order to open different custom views. Each button…
I been following this yt tutorial on building a twitter backend spring boot project. When I try making an api call in postman, its showing me the 403 error. Can anyone help me? Entity class: @Entity @Table(name="users") public class ApplicationUser…
I'm comming with a little question here. I need to do something to validate the a name in the registration form, until now I did this : if(TextUtils.isEmpty(textFullName) ) and this else if(!textFullName.matches("[a-zA-Z ]+")) but those are for empty and…
I have been reading about spring Data Redis which is quite similar to spring data JPA. I have a USER class that has key has user id and value as the User object. I am trying to find all the…
I'm currently creating a backend API using Java 20, and Springboot. Im kind of a beginner. So Ill explain the structure Im following. Before thinking about dockerizing the application, I ussed a docker-compose file to run a PostgreSQL Database. docker-compose.yaml…
Given the following field in Java: private Instant createdDate = Instant.now(); corresponding to the following field in Postgres: created_date TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP; and saved to database using Spring Data JDBC CrudRepository save(S entity). When checking for equality the…
There's an error on using Spring batch JdbcBatchItemWriter. insert into books(order_id, order_no, paid_payment_id) values (:orderId, :orderNo, :paidPaymentId) enter image description here private JdbcBatchItemWriter<BooksEntity> booksWriter() { return new JdbcBatchItemWriterBuilder<BooksEntity>() .itemSqlParameterSourceProvider(new BeanPropertyItemSqlParameterSourceProvider<>()) .dataSource(dataSource) .sql( "insert into books(order_id, order_no, paid_at, paid_payment_id, pay_method, pay_no,…