【问题解决】 java.lang.NoSuchMethodError: org.springframework.util.ObjectUtils.unwrapOptional(Ljava/lang/O

java.lang.NoSuchMethodError: org.springframework.util.ObjectUtils.unwrapOptional(Ljava/lang/Object;)Ljava/lang/Object;
    at org.springframework.validation.DataBinder.(DataBinder.java:179)
    at org.springframework.boot.bind.RelaxedDataBinder.(RelaxedDataBinder.java:83)
    at org.springframework.boot.yaml.SpringProfileDocumentMatcher.extractSpringProfiles(SpringProfileDocumentMatcher.java:92)
    at org.springframework.boot.yaml.SpringProfileDocumentMatcher.matches(SpringProfileDocumentMatcher.java:71)
    at org.springframework.beans.factory.config.YamlProcessor.process(YamlProcessor.java:235)
    at org.springframework.beans.factory.config.YamlProcessor.process(YamlProcessor.java:161)
    at org.springframework.beans.factory.config.YamlProcessor.process(YamlProcessor.java:138)
    at org.springframework.boot.env.YamlPropertySourceLoader$Processor.process(YamlPropertySourceLoader.java:101)
    at org.springframework.boot.env.YamlPropertySourceLoader.load(YamlPropertySourceLoader.java:58)
    at org.springframework.boot.env.PropertySourcesLoader.load(PropertySourcesLoader.java:127)
    at org.springframework.boot.context.config.ConfigFileApplicationListener$Loader.doLoadIntoGroup(ConfigFileApplicationListener.java:479)
    at org.springframework.boot.context.config.ConfigFileApplicationListener$Loader.loadIntoGroup(ConfigFileApplicationListener.java:462)
    at org.springframework.boot.context.config.ConfigFileApplicationListener$Loader.load(ConfigFileApplicationListener.java:454)
    at org.springframework.boot.context.config.ConfigFileApplicationListener$Loader.load(ConfigFileApplicationListener.java:375)
    at org.springframework.boot.context.config.ConfigFileApplicationListener.addPropertySources(ConfigFileApplicationListener.java:214)
    at org.springframework.boot.context.config.ConfigFileApplicationListener.postProcessEnvironment(ConfigFileApplicationListener.java:184)
    at org.springframework.boot.context.config.ConfigFileApplicationListener.onApplicationEnvironmentPreparedEvent(ConfigFileApplicationListener.java:171)
    at org.springframework.boot.context.config.ConfigFileApplicationListener.onApplicationEvent(ConfigFileApplicationListener.java:157)
    at org.springframework.context.event.SimpleApplicationEventMulticaster.doInvokeListener(SimpleApplicationEventMulticaster.java:172)
    at org.springframework.context.event.SimpleApplicationEventMulticaster.invokeListener(SimpleApplicationEventMulticaster.java:165)
    at org.springframework.context.event.SimpleApplicationEventMulticaster.multicastEvent(SimpleApplicationEventMulticaster.java:139)
    at org.springframework.context.event.SimpleApplicationEventMulticaster.multicastEvent(SimpleApplicationEventMulticaster.java:127)
    at org.springframework.boot.context.event.EventPublishingRunListener.environmentPrepared(EventPublishingRunListener.java:73)
    at org.springframework.boot.SpringApplicationRunListeners.environmentPrepared(SpringApplicationRunListeners.java:54)
    at org.springframework.boot.SpringApplication.prepareEnvironment(SpringApplication.java:336)
    at org.springframework.boot.SpringApplication.run(SpringApplication.java:307)
    at org.springframework.boot.SpringApplication.run(SpringApplication.java:1162)
    at org.springframework.boot.SpringApplication.run(SpringApplication.java:1151)
    at com.weixin.SpringApplicationMain.main(SpringApplicationMain.java:12)

原因 jar 包版本冲突

 
        <dependency>
            <groupId>org.springframeworkgroupId>
            <artifactId>spring-contextartifactId>
            <version>5.0.2.RELEASEversion>
        dependency>

换成

    
        <dependency>
            <groupId>org.springframeworkgroupId>
            <artifactId>spring-contextartifactId>
            <version>4.3.12.RELEASEversion>
        dependency>