spring-mvc

问题 I am trying to create a simple spring MVC app in Scala I did define my methods in the controller to bring back html pages based on name from resources folder but it just always brings back just index page and the rest of html pages while trying to access the route it just fails, but same application works fine in Java. full source code is here:- Java:- https://github.com/kali786516/SpringConfigServer-client/tree/master/src/main/java/com/example/SpringConfigServerclient Scala:- https://github

问题 I have multiple projects in which I am trying to read application.properties file from one particular project. There's one web application which I am deploying on tomcat. I want to use application.properties from another project. I tried to import appconfig.java from that project to webAppconfig.java. application.properties file in 1st project src/main/resources/application.properties contains driver=org.postgresql.Driver 1st project : Appconfig.java @Configuration @PropertySource("classpath

问题 I have multiple projects in which I am trying to read application.properties file from one particular project. There's one web application which I am deploying on tomcat. I want to use application.properties from another project. I tried to import appconfig.java from that project to webAppconfig.java. application.properties file in 1st project src/main/resources/application.properties contains driver=org.postgresql.Driver 1st project : Appconfig.java @Configuration @PropertySource("classpath

问题 In Spring MVC, I want to have a form with an html drop down which is backed by a list of domain objects, but only displays one field from the objects. When the form is submitted, I want to be able to retrieve the entire object. Can I do this? 回答1: It's obviously possible, if I have understood you correctly... Model public class Foo() { private String result; public String getResult() { return result; } public void setResult(String result) { this.result = result; } } Controller This is using

问题 I have a spring mvc project and want to convert into spring boot. So I changed in project : POM File: <modelVersion>4.0.0</modelVersion> <groupId>spring-boot</groupId> <artifactId>spring-boot</artifactId> <version>0.0.1-SNAPSHOT</version> <packaging>jar</packaging> <parent> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-parent</artifactId> <version>1.5.9.RELEASE</version> </parent> <properties> <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>

问题 What is the best way to handle default page not found error when a user requests a url that doesn't have any mapping in the application (e.g. a url like /aaa/bbb that there is no mapping for it in the application) while be able to add model attributes to the page? 回答1: There is some anserws in SO but those have caused me other problems and more importantly they don't state how to add model attributes to the error page. The best solution I have found is this: Create a controller that

问题 What is the best way to handle default page not found error when a user requests a url that doesn't have any mapping in the application (e.g. a url like /aaa/bbb that there is no mapping for it in the application) while be able to add model attributes to the page? 回答1: There is some anserws in SO but those have caused me other problems and more importantly they don't state how to add model attributes to the error page. The best solution I have found is this: Create a controller that

问题 After the rotation of the document I lose the order of my data in the page : package com.mkyong.common.view; import java.io.File; import java.io.IOException; import java.util.Map; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import org.springframework.web.servlet.view.document.AbstractPdfView; import com.lowagie.text.Document; import com.lowagie.text.DocumentException; import com.lowagie.text.PageSize; import com.lowagie.text.Table; import com

问题 the spring boot and the jpa is giving the error the github link for the project is https://github.com/dishankgoyal/springsBoot/tree/master/faculty_project 2019-01-23 11:44:15.803 ERROR 8796 --- [nio-8181-exec-3] o.a.c.c.C.[.[.[/].[dispatcherServlet] : Servlet.service() for servlet [dispatcherServlet] in context with path [] threw exception [Request processing failed; nested exception is java.lang.IllegalStateException: No primary or default constructor found for class java.lang.Boolean] with

问题 I am working on a Spring-MVC application in which as of now we had a single data source. For our requirements, where most of the transactions are either short lived, we do have applications which rarely require very long time to process. To avoid the system being choked up because of those requests, we are planning to create a separate data source. Other than that, those methods will have a lower priority, as user knows these will take a longer time. For that, I am simply calling Thread