[Solved] Which naming pattern should i use for basic CRUD?

Use the HTTP verb to control what you want to do with the resouces: GET: /services -> returns all elements GET: /services/{id} -> returns element with id POST: /services -> creates a new object, pass the object in the body PUT: /services/{id} -> updates element with id, pass updated values in body DELETE: /services/{id} -> … Read more

[Solved] How to parse yyyymm data format to Month, YYYY format in Java?

I would use java.time for a task like this. You can define two java.time.format.DateTimeFormatter instances (one for parsing the input string to java.time.YearMonth and another for formatting the obtained YearMonth to a string of the desired format). Define a method like this one: public static String convert(String monthInSomeYear, Locale locale) { // create something that … Read more

[Solved] How can I register beans from Spring XML file at runtime?

Thanks to comment of cheffe where he links to another question/answer, I’ve came to the following solution: @Autowired GenericApplicationContext context; private void loadBeans(String beansXml) { XmlBeanDefinitionReader xmlReader = new XmlBeanDefinitionReader(context); xmlReader.setValidationMode(XmlBeanDefinitionReader.VALIDATION_XSD); xmlReader.loadBeanDefinitions(new InputSource(new StringReader(beansXml))); } The problem seems to be the creation of the new GenericApplicationContext. It looks like the beans are only in this … Read more

[Solved] Spring Security – api gateway pattern – bug?

Alright, after many hours we found a solution to what seemed to be inconsistent behavior. Meaning sometimes you’d log in and it’d retain the proper session and you could go the the localhost:8080/ui page and not get the Whitelabel Error page… sometimes you’d still get it. On the Gateway server… 1) Added RequestMethod.POST @Controller public … Read more

[Solved] How to send BufferedImage using Spring?

I don’t know your codes, because you provided none. So I’ll try to guess. It seems like you do not say to your client he will download an image. Try adding this to your response header : Content-type: image/jpeg I’ll give some example code, but I can’t promise it will work for you. @GetMapping(path = … Read more

[Solved] Understanding @autowired annotation [duplicate]

In the java class Bean2 you have to organize your imports, the Bean1 should be imported though. Besides you have to do configure your components scan due to autowiring and component scanning. Either you use Java or XML configuration. You can check some examples here: https://www.mkyong.com/spring/spring-auto-scanning-components/ you can find the official Spring reference here: https://docs.spring.io/spring/docs/5.0.0.RELEASE/spring-framework-reference/core.html#spring-core … Read more

[Solved] Spring MVC Service class NullPointerException [closed]

It seems EmployeeDAO is not being injected in EmployeeServiceImpl, wire EmployeeDAO using @Autowire or @Inject, Second EmployeeDAOImpl has not been declared a component (not sure if you have declared already in xml) so declare it with @Repository and also @Autowire SessionFactory. Hope this will do.. 1 solved Spring MVC Service class NullPointerException [closed]

[Solved] @RequestMapping spring boot doesn’t function as expected

Adding to @Reimeus answer, Make sure to keep MyController class and BackendApplication class within main package i.e, com.iz.backend. |-src/main/java |–com.iz.backend |–controllers |–MyController |–BackendApplication Or, use basePackages: @SpringBootApplication(scanBasePackages = {“com.iz.backend”}) 5 solved @RequestMapping spring boot doesn’t function as expected

[Solved] How to integrate spring jpa with spring boot? [closed]

Certainly, you can integrate spring boot with spring jpa – hibernate. Add the dependencies to the project’s pom.xml <dependencies> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-data-jpa</artifactId> </dependency> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-web</artifactId> </dependency> <dependency> <groupId>mysql</groupId> <artifactId>mysql-connector-java</artifactId> <scope>runtime</scope> </dependency> </dependencies> 4 solved How to integrate spring jpa with spring boot? [closed]