java - RestTemple 调用后异常

Question

org.springframework.web.client.RestClientException: Could not write request: no suitable HttpMessageConverter found for request type [com.guestbook.model.Routine]

Im getting above exception while making POST call

我在进行 POST 调用时遇到上述异常 我在进行 POST 调用时遇到上述异常

代码:

Routine routine= new Routine();
routine.setDate(Routine.getDate());
    RestTemplate restTemplate = new RestTemplate();
        //restTemplate.getMessageConverters().add(new MappingJacksonHttpMessageConverter());
        System.out.println(URLConstants.routine);
        Routine r=restTemplate.postForObject(URLConstants.routine, routine, Routine.class);

POM

<?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>
    <packaging>war</packaging>
    <version>0.1-SNAPSHOT</version>

    <groupId>com.guestbook</groupId>
    <artifactId>guestbook-webapp</artifactId>

    <pluginRepositories>
        <pluginRepository>
            <id>google-staging</id>
            <name>Google Staging</name>
            <url>https://oss.sonatype.org/content/repositories/comgoogleappengine-1004/</url>
        </pluginRepository>
    </pluginRepositories>

    <properties>
        <appengine.app.version>1</appengine.app.version>
        <appengine.target.version>1.9.0</appengine.target.version>
        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
        <spring.framework.version>4.0.0.RELEASE</spring.framework.version>
    </properties>

    <dependencies>
        <!-- Compile/runtime dependencies -->
        <dependency>
            <groupId>com.google.appengine</groupId>
            <artifactId>appengine-api-1.0-sdk</artifactId>
            <version>${appengine.target.version}</version>
        </dependency>
        <dependency>
    <groupId>javax.servlet</groupId>
    <artifactId>servlet-api</artifactId>
    <version>2.5</version>
</dependency>
        <dependency>
            <groupId>jstl</groupId>
            <artifactId>jstl</artifactId>
            <version>1.2</version>
        </dependency>

        <!-- Test Dependencies -->
        <dependency>
            <groupId>com.google.appengine</groupId>
            <artifactId>appengine-testing</artifactId>
            <version>${appengine.target.version}</version>
            <scope>test</scope>
        </dependency>
        <dependency>
            <groupId>com.google.appengine</groupId>
            <artifactId>appengine-api-stubs</artifactId>
            <version>${appengine.target.version}</version>
            <scope>test</scope>
        </dependency>

        <!-- Spring Dependencies -->
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-core</artifactId>
            <version>${spring.framework.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-web</artifactId>
            <version>${spring.framework.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-webmvc</artifactId>
            <version>${spring.framework.version}</version>
        </dependency>


        <!-- Spring testing dependencies -->
        <dependency>
            <groupId>com.fasterxml.jackson.core</groupId>
            <artifactId>jackson-core</artifactId>
            <version>2.2.1</version>
            <scope>test</scope>
        </dependency>
        <dependency>
            <groupId>com.fasterxml.jackson.core</groupId>
            <artifactId>jackson-databind</artifactId>
            <version>2.2.1</version>
            <scope>test</scope>
        </dependency>
        <dependency>
            <groupId>org.hamcrest</groupId>
            <artifactId>hamcrest-all</artifactId>
            <version>1.3</version>
            <scope>test</scope>
        </dependency>
        <dependency>
            <groupId>junit</groupId>
            <artifactId>junit</artifactId>
            <version>4.11</version>
            <scope>test</scope>
            <exclusions>
                <exclusion>
                    <artifactId>hamcrest-core</artifactId>
                    <groupId>org.hamcrest</groupId>
                </exclusion>
            </exclusions>
        </dependency>
        <dependency>
            <groupId>org.mockito</groupId>
            <artifactId>mockito-core</artifactId>
            <version>1.9.5</version>
            <scope>test</scope>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-test</artifactId>
            <version>${spring.framework.version}</version>
            <scope>test</scope>
        </dependency>
    </dependencies>

    <build>
        <plugins>
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <version>2.5.1</version>
                <artifactId>maven-compiler-plugin</artifactId>
                <configuration>
                    <source>1.7</source>
                    <target>1.7</target>
                </configuration>
            </plugin>

            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-war-plugin</artifactId>
                <version>2.3</version>
                <configuration>
                    <archiveClasses>true</archiveClasses>
                    <webResources>
                        <!-- in order to interpolate version from pom into appengine-web.xml -->
                        <resource>
                            <directory>${basedir}/src/main/webapp/WEB-INF</directory>
                            <filtering>true</filtering>
                            <targetPath>WEB-INF</targetPath>
                        </resource>
                    </webResources>
                </configuration>
            </plugin>

            <plugin>
                <groupId>com.google.appengine</groupId>
                <artifactId>appengine-maven-plugin</artifactId>
                <version>${appengine.target.version}</version>
            </plugin>
        </plugins>

        <testResources>
            <testResource>
                <directory>${basedir}/src/main/webapp</directory>
            </testResource>
        </testResources>

    </build>

</project>

Answer 1

尝试

• 删除所有 Spring 和 Jackson 依赖项
• 将 spring-boot-starter-parent 定义为 POM 的父级
• 包含 spring-boot-starter-web 和 spring-boot-starter-test 依赖项(未定义版本!!!)

此类配置的示例可在任何定制的 Web Spring Guide Guide 中找到。 。例如。 REST one .

Here is example of such POM file .