Spring Boot Jsp 404

Spring Boot JSP 404

Ensure that you have jasper and jstl in the list of dependencies:

    <dependency>
        <groupId>org.apache.tomcat.embed</groupId>
        <artifactId>tomcat-embed-jasper</artifactId>
        <scope>provided</scope>
    </dependency>
    <dependency>
        <groupId>javax.servlet</groupId>
        <artifactId>jstl</artifactId>
    </dependency>

Here is a working starter project - https://github.com/spring-projects/spring-boot/tree/master/spring-boot-samples/spring-boot-sample-web-jsp

spring-boot basic JSP 404 Not Found

I needed to add this to my application.properties file:

spring.view.prefix: /WEB-INF/jsp/
spring.view.suffix: .jsp

Spring boot: 404 error when calling JSP using controller

Looks like you was very close to the working application. The main issue in your code is in <scope>provided</scope> for your Jasper dependency.
And also looks like you are running your code from eclipse IDE through the main method.

Long story short:

If you would like to run your application through the main method in MyApplication.java then just remove scope provided for the Jasper.

<dependency>
   <groupId>org.apache.tomcat.embed</groupId>
   <artifactId>tomcat-embed-jasper</artifactId>
</dependency>

Or you can run your application exactly in that state like you have right now from the console:

mvn clean spring-boot:run

But I suggest to remove this scope so you could be able to run your code from IDE and from console. In addition to that looks like spring-boot-starter-tomcat dependency is redundant (it must be available within spring-boot-starter-web). In a nutshell please try to use following 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 http://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>2.1.3.RELEASE</version>
        <relativePath/>
    </parent>
    <groupId>com.example</groupId>
    <artifactId>demo</artifactId>
    <version>0.0.1-SNAPSHOT</version>
    <name>demo</name>
    <description>Demo project for Spring Boot</description>

    <properties>
        <java.version>1.8</java.version>
    </properties>

    <dependencies>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-web</artifactId>
        </dependency>

        <dependency>
            <groupId>org.apache.tomcat.embed</groupId>
            <artifactId>tomcat-embed-jasper</artifactId>
        </dependency>
    </dependencies>
</project>

Hope my answer will help you.

Spring Boot jsp file not found Error 404 weird prefix

Try to change the following property to start with a /

spring.mvc.view.prefix= /WEB-INF/jsp/

This will allow spring to search into subfolders of your webapp/WEB-INF/jsp path.

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