The following method you have seen returns all the information of the user in the database according to the phone number as follows. However, when I perform an operation based on a phone number that is not in the database, it still returns the second part instead of this message. But I want it to look like th…
Tag: spring-boot
Spring Boot Hibernate creates tables with wrong names
When I run my project, the Hibernate creates automatically tables with wrong names. I have two tables User and Role and also three classes: abstract class IdField.java: User.java class: and Role.java class: And Hibernate creates two tables with wrong names as id_field and id_field_roles: but I want table name…
Java Mockito useConstructor withSettings, error Invalid use of argument matchers
I am trying to Mock this following code with transaction manager. Receiving error below. How can I resolve this? Code: Test: Error: trying to use this resource: https://stackoverflow.com/a/60429929/15435022 Answer This will work: Resource: https://rieckpil.de/mock-java-constructors-and-their-object-creation-w…
Error while trying to upload file conversion types mismatch
I have folowing entety. One of the fields called file is to upload the document. And the controller function for this is as follows: But then I try to upload file and submit a form I am getting this exception Failed to convert property value of type ‘org.springframework.web.multipart.support.StandardMul…
Multiple instances of a bean of one class filled with values from application.properties
I intend to write some HealtCheckContributors for a Spring Boot application using spring-boot-actuator. Hence, I implemented two of them. they are intended for checking the health of different apps, of course, but have a nearly identical structure, except the configuration properties, … SonarQube compla…
Convert Flux into Flux
I am working on spring webflux file upload. From the controller I want to upload the file on amazon S3 bucket. So in the controller I received following object And from the FilePart.content() I can get My question is how can I convert this Flux<DataBuffer> into Flux<ByteBuffer>. I mean into the fo…
count non-null numbers of an object
I am making a method that can count non null value of an object, but I have an object inside another object and I have to confirm if that object is empty too, I tried with isEmpty, isNull but it says it is not empty. Object Validation method I have also tried with !ObjectUtils.isNull… Even though the &#…
java.lang.NumberFormatException: For input string: “id” while trying to retrive related table column to jsp selectbox
This question kind of related to a previous one at Could not create query for public abstract org.springframework.data.domain.Page com.example.repository.DocumentsRepository.findBytypeid Thank to all it was resolved. But now I have an other problem I am trying to make a selectbox with all rows from related co…
ActiveMQ Artemis prefixes “jms.topic.” to all topic names defined on Spring Boot Client
I’m using ActiveMQ Artemis 2.18.0 and version 2.5.5 of the spring-boot-starter-artemis dependency on a Spring Boot client. In my use case clients are required to communicate with each other via topics. The issue is that the string jms.topic. is getting prefixed to every topic defined on the client. For …
Spring Boot 2.3.x – How to apply a projection in a custom @RestController?
I am trying to apply projection on an entity returned from a custom controller annotated @RestController. But I am getting an infinite recursion exception This code works fine in Spring Boot 1.5.17 (I can apply projections and even get HAL formatted JSON) but it breaks in Spring 2.3.x. So what I essentially w…