Correct the classpath of your application so that it contains a single, compatible version of com.go

在Springboot 中依赖Gson，项目启动时报错：

APPLICATION FAILED TO START
***************************

Description:

An attempt was made to call a method that does not exist. The attempt was made from the following location:

  java.lang.invoke.MethodHandleNatives.resolve(Native Method)

The following method did not exist:

  com.google.gson.GsonBuilder.setLenient()Lcom/google/gson/GsonBuilder;

The method's class, com.google.gson.GsonBuilder, is available from the following locations:

  jar:file:/D:/8_maven/mvnrepo/com/google/code/gson/gson/2.5/gson-2.5.jar!/com/google/gson/GsonBuilder.class

It was loaded from the following location:

  file:/D:/8_maven/mvnrepo/com/google/code/gson/gson/2.5/gson-2.5.jar


Action:

Correct the classpath of your application so that it contains a single, compatible version of com.google.gson.GsonBuilder

解决办法
将Gson的版本调整到2.6往后

<!-- https://mvnrepository.com/artifact/com.google.code.gson/gson -->
<dependency>
  <groupId>com.google.code.gson</groupId>
  <artifactId>gson</artifactId>
  <version>2.8.6</version>
</dependency>