java.lang.NumberFormatException: For input string: ""

2019-05-30 20:55 更新

很多朋友在升級Springfox-Swagger到2.9.2版本后會碰見NumberFormatException異常java.lang.NumberFormatException: For input string: ""

異常信息如下:

  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....

解決辦法是在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>
  13. <!-- https://mvnrepository.com/artifact/io.swagger/swagger-models -->
  14. <dependency>
  15. <groupId>io.swagger</groupId>
  16. <artifactId>swagger-models</artifactId>
  17. <version>1.5.21</version>
  18. </dependency>
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