spring-boot Questions

How to connect MySQL Database to Spring boot 3?

March 5, 2023
Bhavya Kalra
2 Answers

I am writing Restful API in Spring boot 3 with java 17 and i am unable to create table .Can anyone please help POM File <?xml version="1.0" encoding="UTF-8"?> <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd"> <modelVersion>4.0.0</modelVersion> <parent> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-parent</artifactId> <version>3.0.3</version> <relativePath/> <!--…

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How to save one document or a file permanently inside collection of MongoDB with Springboot

March 5, 2023
leo0807
2 Answers

all! I'm working on a project with MongoDB and Spring Boot. I want to implement a feature so that once I start running the server, there will be a fixed item (or file) stored in the collection of the MongoDB…

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CORS issue between frontend and backend instance – Amazon Web Sevices

March 2, 2023
Hassan Raza
3 Answers

I have built a test project that has a simple api where the front end interacts with the backend and receives a string back. I built this project to test how I would host this on aws ec2 instances. What…

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Can not deserialize JSON with json string inside

March 2, 2023
Risalat Zaman
2 Answers

I have a json like below. The x's are there to omit sensitive data {"errormessage":"{"timestamp":"2021-10- 19T07:57:35.205+0000","status":400,"error": "Bad Request","message":"Bad Request: xxxx xxx xxx xxx xxx. pathu003d/xxx/verify","path":"/xxx /xxx"}"} I am trying to deserialize this json into the class below public class TransferResponse…

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Docker spring-boot environment variable to file: better implementation

March 1, 2023
frankmurphy
2 Answers

I have a spring boot application, which picks up a series of properties from a file, and which path is set as an environment variable. So when I start the spring boot application, I pass the following variable: --other.properties.path=external/directories/path/otherpropertiesfile.properties The…

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Builder lifecycle 'creator' failed with status code 51 – Docker

March 1, 2023
vapan
2 Answers

In my spring boot application i issue a problem when i 'm trying to build my docker image by this command mvn spring-boot:build-image -DskipTests i see as a result a build failure: [INFO] Scanning for projects... [INFO] [INFO] ------< com.in28minutes.microservices:currency-exchange-service…

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Error creating bean with name 'countryController' defined in file – Postgresql

March 1, 2023
ninjaturtle
2 Answers

I am trying To make Addresses where Country has many states and And in States there are many districts and in districts there are many Municipality. My CountryDTO: package com.part.firstProject.dto; import com.fasterxml.jackson.annotation.JsonInclude; import lombok.*; import org.springframework.stereotype.Component; import java.util.List; @Data @Builder…

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Spring Boot Custom JSON response with different Get Method

March 1, 2023
Dewanto Surya
2 Answers

I developed a spring boot application, in the controller I have a method that returns a list of shops and one of the shop. I want to make different response for different get method, since when you use find all…

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What is the max column length of TEXT field in Hibernate? – Postgresql

February 24, 2023
user21263160
2 Answers

I have a text field in my Hibernate entity as shown below: @Column(nullable = false, columnDefinition = "TEXT") private String content; So, what is the default and suggested length for this field (it is a content of a blog)? And…

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Modify Spring's RedisCacheConfiguration

February 24, 2023
Fábio
2 Answers

I'm setting the configuration of a Spring Data Redis Cache on application.properties using the spring.cache.redis.* keys. However, not everything is possible to be configured on application.properties and I'd like to get a reference to the RedisCacheConfiguration created by Spring and…

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