Recent questions tagged Spring

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spring mvc - How to loop through Map in Thymeleaf

I am trying to understand how to loop through all entries in a Map in Thymeleaf. I have a domain object being ... and fetch the values ? Thanks. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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spring - Convert csv to xls/xlsx using Apache poi?

I need to convert csv to xls/xlsx in my project? How can i do that? Can anyone post me some examples? I ... to create a cell from java side. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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spring - applicationContext.xml with datasource or hibernate.cfg.xml. Difference?

Want to clear some confusion. I have applicationContext.xml. Question 1: Whats the difference between 1 & 2. Are they ... cfg.xml" /> </bean> See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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spring - Get the Servlet Request object in a POJO class

I need to get the current page URL in a POJO that is being called from an Acegi class (need to add some ... I can better go about doing this? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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spring - Why does @Transactional save automatically to database

I have a method annotated with @Transactional. I retrieve an object from my DB, change a field, and then return ... how to avoid this beahvior? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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spring cloud - How can I change the feign URL during the runtime?

@FeignClient(name = "test", url="http://xxxx") How can I change the feign URL (url="http://xxxx") during ... can only be determined at run time. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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spring mvc - Relation between WebSecurityConfigurerAdapter and ResourceServerConfigurerAdapter

I'm trying to integrate Spring OAuth2 into Spring MVC REST. Most of the Spring OAuth2 examples, there is ... my Spring MVC REST application. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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spring - Mock MVC - Add Request Parameter to test

I am using spring 3.2 mock mvc to test my controller.My code is @Autowired private Client client; ... way to pass the @RequestParam See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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spring - download mail attachment with Java

I had a look in the reference doc, and Spring seems to have pretty good support for sending mail. However, ... from received mail. Cheers, Don See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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spring boot - When to use @RunWith and when @ExtendWith

My team and I have been working on a bunch of microservices using Spring boot. Since the services went ... some new Spring Boot annotation? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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spring - Configuring RequestContextListener in SpringBoot

I have a Spring-Boot application which uses Spring-Security. I have a request scoped bean that I want to ... registering the bean was enough. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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spring - SpringBoot: Unable to find a single main class from the following candidates

I've generated a Spring Boot web application using Spring Initializer, embedded Tomcat, Thymeleaf template engine.Technologies ... -> [Help 1] See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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spring - How to dynamically inject a service using a runtime "qualifier" variable?

I can't find a simple way to inject a component/service given a runtime value. I started reading @ ... implementation like a factory pattern See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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spring - What is OncePerRequestFilter?

Documentation says org.springframework.web.filter.OncePerRequestFilter "guarantees to be just executed once per request". ... once per request? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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spring - Failed to load Main-Class manifest attribute while running java -jar

I have successfully built my Spring MVC project with mvn clean package by following this tutorial. Now I am ... jar Am I missing something? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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spring - INTERFACES or TARGET_CLASS: Which proxyMode should I choose?

I am looking for a way to store my object and it seems that the best approach is to use proxies. I ... ("session") or using @SessionAttributes? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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spring 3 autowiring and junit testing

My code: @Component public class A { @Autowired private B b; public void method() {} } public interface X {. ... i could send the mocked object. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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spring - what is difference between ResultSetExtractor vs Rowmapper?

I worked on both row mapper and resultset extractor call back interfaces.I found difference i.e., 1.Row mapper can ... and return type is list?. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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spring - Why use CDI in Java EE

I know there are a lot of articles out there that explain how to use CDI in Java EE but I ... instantiated everything that needs instantiating. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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spring boot - IntelliJ 15, SpringBoot devtools livereload not working

Having issues with the new LiveReload feature with Spring Boot devtools 1.3. It doesn't reload on class changes. I' ... "Hello World test"; } } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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spring - When use AbstractAnnotationConfigDispatcherServletInitializer and WebApplicationInitializer?

I am working with Spring 4.0.7 I did a research about configure Spring MVC through JavaConfig. Practically ... this post describe. Thank You See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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spring batch - FlatFileItemWriter should write output file named same as input file

I have a spring batch job that reads files matching naming pattern from a directory, does some processing, and ... . Is this alright ? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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spring boot - Fastest way to update huge number of rows with input param List<T> in MyBatis to Oracle db

I'm updating huge amount of data by passing a variable List in MyBatis to Oracle DB. Methods from this link are ... or 2 second in Oracle db? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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spring boot - Intellij Springboot problems on startup

I am really new with spring boot, so I started with some tutorials to create a simple Rest example (my ... make before running the application? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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spring boot - How to return the value from Cosequence of drl file to java

If rule matches then i am executing the java function in consequence of drl and i want that result of function in ... calls to execute the drl. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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spring data mongodb "id" field mapping

I have a document with an array field with "chapters": [ { "id" : "14031871223912313", ...} ... ] I ... work. Thanks in advance for any help. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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spring boot - How to switch Database on runtime in SpringBoot and SpringDataJPA / Hibernate?

I want to create an application with SpringBoot, SpringRest, SpringDataJPA / Hibernate with multiple databases on ... appreciated. thanks. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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spring data jpa: No aliases found in result tuple! Make sure your query defines aliases

When I try to get the users using repository interface I received following exception "org.springframework.dao. ... then all works fine. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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