很多朋友在升级Springfox-Swagger到2.9.2版本后会碰见NumberFormatException异常java.lang.NumberFormatException: For input string: “”

    异常信息如下：

    1. java.lang.NumberFormatException: For input string: ""
    2.     at java.lang.NumberFormatException.forInputString(NumberFormatException.java:65) ~[na:1.8.0_111]
    3.     at java.lang.Long.parseLong(Long.java:601) ~[na:1.8.0_111]
    4.     at java.lang.Long.valueOf(Long.java:803) ~[na:1.8.0_111]
    5.     at  
    6.     //more....

    解决办法是在pom.xml中排除Springfox-Swagger的Swagger-Models的jar包,重新引入，如下：

    1. <!-- https://mvnrepository.com/artifact/io.springfox/springfox-swagger2 -->
    2. <dependency>
    3.     <groupId>io.springfox</groupId>
    4.     <artifactId>springfox-swagger2</artifactId>
    5.     <version>2.9.2</version>
    6.     <exclusions>
    7.         <exclusion>
    8.             <groupId>io.swagger</groupId>
    9.             <artifactId>swagger-models</artifactId>
    10.         </exclusion>
    11.     </exclusions>
    12. </dependency>
    14. <!-- https://mvnrepository.com/artifact/io.swagger/swagger-models -->
    15. <dependency>
    16.     <groupId>io.swagger</groupId>
    17.     <artifactId>swagger-models</artifactId>
    18.     <version>1.5.21</version>
    19. </dependency>