jsp

问题 in my Spring Boot app I switched from Thymeleaf to JSP and it is working normally on my local computer, but when I upload it to Heroku server I get There was an unexpected error (type=Not Found, status=404). /WEB-INF/jsp/home.jsp its jar packaged, what does it mean if its working locally but not on Heroku server? edit, project structure 回答1: Try adding this to pom.xml : <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-tomcat</artifactId> </dependency>

问题 in my Spring Boot app I switched from Thymeleaf to JSP and it is working normally on my local computer, but when I upload it to Heroku server I get There was an unexpected error (type=Not Found, status=404). /WEB-INF/jsp/home.jsp its jar packaged, what does it mean if its working locally but not on Heroku server? edit, project structure 回答1: Try adding this to pom.xml : <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-tomcat</artifactId> </dependency>

问题 in my Spring Boot app I switched from Thymeleaf to JSP and it is working normally on my local computer, but when I upload it to Heroku server I get There was an unexpected error (type=Not Found, status=404). /WEB-INF/jsp/home.jsp its jar packaged, what does it mean if its working locally but not on Heroku server? edit, project structure 回答1: Try adding this to pom.xml : <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-tomcat</artifactId> </dependency>

问题 In mysql i m having a stored procedure which has a sql like: select firstname as i_firstname , lastname as i_lastname from roleuser where user_id = uid ; I m using a jstl code to get the values: - <sql:query var="comm_codes" dataSource="jdbc/myDatasource"> call sp_select_username(?); <sql:param>${user_id}</sql:param> </sql:query> <c:forEach var="rows" items="${comm_codes.rows}"> ${rows.i_firstname} ${rows.i_lastname} </c:forEach> But this code does not return anything but when the replace the

问题 In mysql i m having a stored procedure which has a sql like: select firstname as i_firstname , lastname as i_lastname from roleuser where user_id = uid ; I m using a jstl code to get the values: - <sql:query var="comm_codes" dataSource="jdbc/myDatasource"> call sp_select_username(?); <sql:param>${user_id}</sql:param> </sql:query> <c:forEach var="rows" items="${comm_codes.rows}"> ${rows.i_firstname} ${rows.i_lastname} </c:forEach> But this code does not return anything but when the replace the

问题 a have been writting a Java EE 6 web application which is really my first serious application I am coding. I have noted that my classes are as big as 500 lines to 1000 and could probably get bigger. I have no idea how big a class should be or if it matters at all but I don't want to continue writting gigantic classes if it is going to impact the applications performance negatively. what advice do you have for me? 回答1: "The first rule of classes is that they should be small. The second rule of

问题 a have been writting a Java EE 6 web application which is really my first serious application I am coding. I have noted that my classes are as big as 500 lines to 1000 and could probably get bigger. I have no idea how big a class should be or if it matters at all but I don't want to continue writting gigantic classes if it is going to impact the applications performance negatively. what advice do you have for me? 回答1: "The first rule of classes is that they should be small. The second rule of

问题 I am getting a few errors in the console which I will post below. I am using eclipse and cleaned the project, refreshed the target, cleaned the tomcat server so chasing or anything of that nature is not the issue. Console Error: SEVERE: Context initialization failed org.springframework.beans.factory.BeanDefinitionStoreException: IOException parsing XML document from ServletContext resource [/WEB-INF/applicationContext.xml]; nested exception is java.io.FileNotFoundException: Could not open

问题 I am getting a few errors in the console which I will post below. I am using eclipse and cleaned the project, refreshed the target, cleaned the tomcat server so chasing or anything of that nature is not the issue. Console Error: SEVERE: Context initialization failed org.springframework.beans.factory.BeanDefinitionStoreException: IOException parsing XML document from ServletContext resource [/WEB-INF/applicationContext.xml]; nested exception is java.io.FileNotFoundException: Could not open

问题 I have followed the official files and package structure of spring boot in my application. But I am still getting a whitelabel page error. Most of the answers and suggestions dont solve this problem. Could this be a bug in spring boot? Below is how I have put my codes and the structure of how files and folders are arranged. Application.java @SpringBootApplication public class Application { public static void main(String[] args) { SpringApplication.run(Application.class, args); } } Controller