I am developing a Spring Boot Application that uses HTTPS Only. I am using AWS services and the corresponding AWS Java SDK. How can I view the HTTP(S) request that the java sdk methods call on the backend of my application? I want to make sure when doing uploads to S3, etc, that everything is done over HTTPS …
Tag: java
Kubernetes Java API (Model) Deep Copy
I am trying to deep copy items from the official Kubernetes Java V1 API models but there aren’t any copy constructors, Cloneable, nor Serializable interface implementations in any of the model objects. Does anyone have any ideas on how one may go about achieving this? Edit: Given the confusion of @Roddy…
Axon in Java app – reacting to event handler errors
Apologies if this has already been covered, I am new to Axon, and I believe I have read through related Axon documentation and scanned through questions and not found anything which covers my question. Here is my query… With Axon, I understand that I can create a command, send it to the gateway, it then…
How to mock my service using Mockito framework
Hello I have struglling write a mock test according to my following method below; my code below; my yml configuration below; my service below; I have a created PropertySourceResolver class and my test class below; I like to change my code according to test scenarios like ; when … then return any idea? t…
is synchronized needed in getValue() ? & volatile needed?
I’ve a class in multithreading application: Answer The keyword volatile gives you the visibility aspects and without that you may read some stale value. A volatile read adds a memory barrier such that the compiler, hardware or the JVM can’t reorder the memory operations in ways that would violate …
Looking for Java Multithreaded Client-Server chat application with database tutorial
Im trying to build a Java Multithreaded Client-Server chat application with a database. The database is to store username and password. I am able to build a basic Java Multithreaded Client-Server chat application, but have no idea how to create the database side. Ive found lots of downloadable source code but…
How to access a child element in a query using jpa and hibernate – SpringBoot
I would like to know how to query some child objects using their name as a parameter in Spring boot. Let’s say I have a class parent with a one-to-many relationship with the child. The child has a parameter called name. So I would like to query using like “%name%” so the query would return m…
Multi-Role based user login in Android(java)
I have multiple roles for user login, I have successfully implemented if one user has only one role but the problem is if a user have more than one role then how can I implement that. Thanks and Regards Prabhat Pandit. Answer One is: You can ask from a user at runtime that by which role he/she want to login.
Java and org.apache.poi while reading excel line 47 is skipped
Using Java 1.8, org.apache.poi 5.1.0 and org.apache.poi.ooxml 5.1.0. I have an excel file that consist of 54 rows. I read through this file in blocks of 5 lines. If I get to line 47 it skips that line and gives me the first line of the new block while it should give me the first empty line above the now
Manipulating Private variables of parent class from child class
I am provided with UML’s for two classes, the parent class base which has variable balance listed as a private member (-), and a child class, child. I’ve created the public getters/setters for balance. Child class has a void function interest that applies the appropriate equation to calculate inte…