I have created a Spring Boot Web Application with Hibernate. I am using Microsoft Azure and SQL Database to deploy my application. I have configured the database on Azure and in my code. Configuration code is- 1. application.properties file 2. application.yml file I am creating several tables in my database. …
Tag: java
Mock test always stops at isEmpty checking and throw an exception
I’ve written test for update method in service layer and it always throws an exception “User with the this id is not found” and didn’t work. I’ve tried to add optional but it didn’t work too. Could you give me a little piece of advice please? What should I fix in my test? M…
How can i store uri.toString to my java class?
I want to store a uri to my donation.java class so that ill be able to fetch an image from firebase storage and display it on a cardview. However uri.toString is highlighted red and shows a “Cannot resolve constructor ‘donation(java.lang.String)’” donate.java donation.java I’ve tried s…
How many times is a constructor called when it’s overloaded?
BankAccount.java Test.java I should get number of accounts is 3 but I’m getting 4. If I instantiate all accounts with the parametrized constuctor, I get 3. If I add BankAccount account4 = new BankAccount();, I get 6. Is the default constructor called twice? Answer This is your problem: The explicit call…
When is a @JsonCreator method required for parsing?
When I try to parse the following object: I get the error And I solved this by adding a creator to the User class like this: This works fine. So now I go and parse the following object: and I don’t get an error… why? why it doesn’t require me to use a constructor here? Here’s the class…
Spring Boot – Download a file from GCP Bucket
I’ve a Spring Boot Application and I have to develop an API to download a file from GCP bucket. So I have the download path and the name of the bucket, e.g. Before I start writing the code for download, what are the preliminary steps? I read that I need a GOOGLE_APPLICATION_CREDENTIALS environment varia…
javax.mail.MessagingException: Connect timed out; [closed]
Closed. This question is not reproducible or was caused by typos. It is not currently accepting answers. This question was caused by a typo or a problem that can no longer be reproduced. While similar questions may be on-topic here, this one was resolved in a way less likely to help future readers. Closed 3 m…
using tfilelist or tfiledelimited how can i iterate through a list of columnA, column B combination and store in tjava to use for tdbinput
I have a talend job that i am trying to read the columns from the csv file sequentially row by row for each combination (if possible trying to collect unique combination) of COLUMN A & COLUMN B to get the values and store in tjava (context variables to reuse and query the tdbinput) CSV in the below format…
Nimbus takes precedence over manually defined renderer?
Making a GUI in Swing (NetBeans 15, Sun JDK 19.0.1), i’m trying to set custom background color for JTable rows and encountered issues with boolean cells, and i can’t seem to be able to make the background uniform across all cells. Please note that the following code tries to paint the background f…
Spring Batch: KafkaItemReader reads from offset 0 if the JVM is not restarted
I’m trying to implement a Spring Batch job that is scheduled by a Spring scheduler. The current befavior is as follows: The job is launched by the scheduler using JarLauncher The job consumes the kafka records and processed them The next time the jobs ris launched by the scheduler, it consumes the kafka…