springboot 编译打包报错：The following method did not exist:com.google.gson.GsonBuilder.setLenient()Lcom/google/gson/GsonBuilder

Error starting ApplicationContext. To display the conditions report re-run your application with 'debug' enabled.
2019-10-23 14:50:45.110 ERROR 39880 --- [           main] o.s.b.d.LoggingFailureAnalysisReporter   :
***************************
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:/E:/maven_repository_new/com/google/code/gson/gson/2.2.4/gson-2.2.4.jar!/com/google/gson/GsonBuilder.class
It was loaded from the following location:
    file:/E:/maven_repository_new/com/google/code/gson/gson/2.2.4/gson-2.2.4.jar
Action:
Correct the classpath of your application so that it contains a single, compatible version of com.google.gson.GsonBuilder
2019-10-23 14:50:45.115 ERROR 39880 --- [           main] o.s.test.context.TestContextManager      : Caught exception while allowing TestExecutionListener [org.springframework.test.context.web.Servlet
TestExecutionListener@659499f1] to prepare test instance [com.yydrobo.video_call.VideoCallApplicationTests@26f96b85]
解决:
 将gson版本升级为 2.6.2
 
        <dependency>
            <groupId>com.google.code.gson</groupId>
            <artifactId>gson</artifactId>
            <version>2.6.2</version>
        </dependency>
                    springboot 编译打包报错：The following method did not exist:com.google.gson.GsonBuilder.setLenient()Lcom/google/gson/GsonBuilderError starting ApplicationContext. To display the conditions report re-run you...
				Cause: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure 解决
					136499
				docker启动失败报错:Failed to start docker.service: Unit is not loaded properly: Invalid argument，卸载重装报同样错
					34803
                docker启动失败报错:Failed to start docker.service: Unit is not loaded properly: Invalid argument，卸载重装报同样错
                    你这个进程已经dead了，docker配置文件废了
                docker启动失败报错:Failed to start docker.service: Unit is not loaded properly: Invalid argument，卸载重装报同样错
                    这个不治本吧，docker.service里面的配置错了，看原型，改一下即可，超简单的。
                java 0-999 阿拉伯数字转英文
                    weixin_41765544: 
                    英文单词拼错了。。。