springboot集成swagger2报Illegal DefaultValue null for parameter type integer

springboot集成swagger2，实体类中有int类型，会报“ Illegal DefaultValue null for parameter type integer”的错误

解决办法：修改pom.xml如下

        <!--swagger集成-->
        <dependency>
            <groupId>io.springfox</groupId>
            <artifactId>springfox-swagger2</artifactId>
            <version>2.9.2</version>
            <exclusions>
                <exclusion>
                    <groupId>io.swagger</groupId>
                    <artifactId>swagger-models</artifactId>
                </exclusion>
            </exclusions>
        </dependency>
        <dependency>
            <groupId>io.swagger</groupId>
            <artifactId>swagger-models</artifactId>
            <version>1.5.21</version>
        </dependency>