I can’t figure out how to handle nested JSON values in my Java classes. To make it simple as possible, I created four Java classes with every ‘nested level’. However, I’m trying to have all these values in one Java class. How can I do this? Json: Java classes: Answer You can club all t…
Tag: spring
Spring Boot @Mapper Bean creation issue : Application Failed to start. Error : Consider defining a bean of Type
I am new to spring, when i try to do the mvn clean install of my project this problem appears: Error The problem is that in the MainController there is the import of “UserService”: It is probably a trivial thing but I can not bypass the problem, below I insert “UserService” and the Mai…
Java Spring app can’t run after deploy on Tomcat7
I just deployed (first time ever) my Java app based on Spring. On localhost everything worked fine, but after deploy I can’t send any request. Applications just not running on the server. Logs: Any sugestions what’s wrong? I’ll be more than grateful for any help. EDIT: If it helps – I&…
Communications link failure connecting spring boot app to aws aurora
I am trying to connect the spring boot application I have created locally to an aws serverless aurora database. I have added the maven dependency: As well as created an application.properties file: I have also created a VPC inbounds group for the db to allow incoming traffic from my IP address. My Issue is th…
Spring batch job runs automatically
I’m using a spring batch to read a CSV file and write it to the DB, using the controller trigger. On starting the application, before I hit from the browser url, I see the print statements from my reader, on the startup. Although it doesn’t print it for my processor or writer, which are in separat…
How to add transaction support to Java DSL integration flows
I have to add a transaction support to an integration flow. Let’s assume that there are 3 transformers. The first and third transformers should be done within the same transaction, but the second one shouldn’t be done within any transaction. Thus, if an error occurs in the third transformer, all c…
Dynamically update the @value annotated fields in spring
I am trying to dynamically update the @value annotated fields in my application. First of all, this application has a custom property source, with source being a Map<Object, String>. A timer is enabled to update the values after a minute interval. Initial values of source Map<String, Object> is su…
How can I implement a Save Or Update function using Spring Data Jpa?
I am using Spring Data JPA to save a record to my database. Here is the method I am using: and my repository: I want to modify this so it will Save or Update. This is what I have so far: I have a few questions – #1 Is this bad practice (deleting and then re-inserting)? #2 If I implement
Failed to parse configuration class, nested exception is java.io.FileNotFoundException: Could not open resource [/test.properties]
I´m trying to configurate new properties for the test, so I created a test config class: Properties file is in src/test/resources/test.properties and in the test class : when I execute the tests the error is: Failed to parse configuration class [ar.com.yo.myproject.main.TestConfig]; nested exception is java.i…
Regex to allow space between numbers or nothing before the first one
I have the method that follows – verifyPhones, I am using two regexs on it. The first one is to identify if the String is valid, if not I need to search which numbers are not valid. My problem is when I have two valid numbers together – 20255501252025550125, the system is returning only one of the…