Odtnhj

I am trying to set up a Spring-Boot application that can be accessed via REST. For starting purposes, I wanted it to simply take a number and add the number 2 to it and return the result.

Now I built a WAR-File and deployed it on my tomcat, so that I can try to access it from an Angular project. First off, I'd like to test it with cURL to ensure that it's working.

What did I do?

1. Build WAR-file


2. Move WAR-file into my xampp/tomcat/webapps/
   


3. Start my tomcat from xampp (running on ports 8080, 8005, 8009)


4. Open cmd and move into my cURL-directory


5. Execute the following command: curl.exe -H "number: 5" http://localhost:8009/number/
   

Error:

Throwing unexpected: Error: Malformed heap size 'number: 5'.

I got the following setup:

src/com/example/demo
|
---DemoApplication.java
|
---/controller
| |---NumberController.java
---/dto
| |---EntryDto.java
---/service
 |---EntryService.java

NumberController.java

@RequestMapping("/number")
@RestController
public class NumberController 
 @Autowired
 EntryService entryService;

 @RequestMapping(value="/number/number")
 public EntryDto receiveNumber(int number) 
 return entryService.createEntryDtoFromNumber(number);
 

EntryDto.java

public class EntryDto 

 private int value;

 public EntryDto(int value) 
 this.value = value;
 

 public void increaseValue(int increaseValue) 
 this.value = this.value + increaseValue;
 

 public int getValue() 
 return this.value;
 

 public void setValue(int value) 
 this.value = value;
 

EntryService.java

@Service
public class EntryService 

 public EntryDto createEntryDtoFromNumber(int number) 
 entryDto = new EntryDto(number);
 entryDto.increaseValue(2);
 return this.entryDto;
 

pom.xml

<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>

 <groupId>com.example</groupId>
 <artifactId>demo</artifactId>
 <version>0.0.1-SNAPSHOT</version>
 <packaging>war</packaging>

 <name>demo</name>
 <description>Demo project for Spring Boot</description>

 <parent>
 <groupId>org.springframework.boot</groupId>
 <artifactId>spring-boot-starter-parent</artifactId>
 <version>2.1.0.RELEASE</version>
 <relativePath/> <!-- lookup parent from repository -->
 </parent>

 <properties>
 <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
 <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
 <java.version>1.8</java.version>
 </properties>

 <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-data-rest</artifactId>
 </dependency>
 <dependency>
 <groupId>org.springframework.boot</groupId>
 <artifactId>spring-boot-starter-security</artifactId>
 </dependency>
 <dependency>
 <groupId>org.springframework.boot</groupId>
 <artifactId>spring-boot-starter-web</artifactId>
 </dependency>

 <dependency>
 <groupId>org.springframework.boot</groupId>
 <artifactId>spring-boot-devtools</artifactId>
 <scope>runtime</scope>
 </dependency>
 <dependency>
 <groupId>com.h2database</groupId>
 <artifactId>h2</artifactId>
 <scope>runtime</scope>
 </dependency>
 <dependency>
 <groupId>org.springframework.boot</groupId>
 <artifactId>spring-boot-starter-test</artifactId>
 <scope>test</scope>
 </dependency>
 <dependency>
 <groupId>org.springframework.restdocs</groupId>
 <artifactId>spring-restdocs-mockmvc</artifactId>
 <scope>test</scope>
 </dependency>
 <dependency>
 <groupId>org.springframework.security</groupId>
 <artifactId>spring-security-test</artifactId>
 <scope>test</scope>
 </dependency>
 </dependencies>

 <build>
 <plugins>
 <plugin>
 <groupId>org.springframework.boot</groupId>
 <artifactId>spring-boot-maven-plugin</artifactId>
 </plugin>
 </plugins>
 </build>
 </project>