异常：401未授权错误|com.google.api.client.auth.oauth2.TokenResponseException:401未经授权

Question

我的代码:GoogleCredential凭据

    try {
        // Authorize the request.
        credential = new GoogleCredential.Builder()
                .setTransport(HTTP_TRANSPORT)
                .setJsonFactory(JSON_FACTORY)
                .setServiceAccountId(serviceAccId)
                .setServiceAccountPrivateKeyFromP12File(certFilePath)
                .setServiceAccountScopes(Lists.newArrayList(YouTubeScopes.YOUTUBE))
                .setServiceAccountUser(emailId)
                .build();

credential.refreshToken（）

错误日志：

Error |
Exception: 401 Unauthorized
Error |
com.google.api.client.auth.oauth2.TokenResponseException: 401 Unauthorized
Error |
    at com.google.api.client.auth.oauth2.TokenResponseException.from(TokenResponseException.java:105)
Error |
    at com.google.api.client.auth.oauth2.TokenRequest.executeUnparsed(TokenRequest.java:287)
Error |
    at com.google.api.client.auth.oauth2.TokenRequest.execute(TokenRequest.java:307)
Error |
    at com.google.api.client.googleapis.auth.oauth2.GoogleCredential.executeRefreshToken(GoogleCredential.java:384)
Error |
    at com.google.api.client.auth.oauth2.Credential.refreshToken(Credential.java:489)
Error |
    at com.google.api.client.auth.oauth2.Credential$refreshToken.call(Unknown Source)
Error |
    at org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCall(CallSiteArray.java:45)
Error |
    at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:108)
Error |
    at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:112)
Error |
    at viewlift.YouTubePublishService.authorizeCredentials(YouTubePublishService.groovy:82)
Error |
    at viewlift.YouTubePublishService$$FastClassBySpringCGLIB$$48c3206b.invoke(<generated>)
Error |
    at org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:204)
Error |
    at org.springframework.aop.framework.CglibAopProxy$CglibMethodInvocation.invokeJoinpoint(CglibAopProxy.java:708)
Error |
    at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:157)
Error |
    at org.springframework.transaction.interceptor.TransactionInterceptor$1.proceedWithInvocation(TransactionInterceptor.java:98)
Error |
    at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:262)
Error |
    at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:95)
Error |
    at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179)
Error |
    at org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:644)
Error |
    at viewlift.YouTubePublishService$$EnhancerBySpringCGLIB$$6e11774.authorizeCredentials(<generated>)
Error |
    at viewlift.YouTubePublishService$authorizeCredentials.call(Unknown Source)
Error |
    at org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCall(CallSiteArray.java:45)
Error |
    at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:108)
Error |
    at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:124)
Error |
    at com.viewlift.ViewLiftUtilsService.createSocialAccount(ViewLiftUtilsService.groovy:128)
Error |
    at com.viewlift.ViewLiftUtilsService$$FastClassBySpringCGLIB$$53f6d4a5.invoke(<generated>)
Error |
    at org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:204)
Error |
    at org.springframework.aop.framework.CglibAopProxy$CglibMethodInvocation.invokeJoinpoint(CglibAopProxy.java:708)
Error |
    at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:157)
Error |
    at org.springframework.transaction.interceptor.TransactionInterceptor$1.proceedWithInvocation(TransactionInterceptor.java:98)
Error |
    at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:262)
Error |
    at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:95)
Error |
    at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179)
Error |
    at org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:644)

创建服务号的步骤：

1. 我在凭据中的oauth 2.0中创建了一个Web应用程序
2. 然后我用客户端ID创建了一个服务号
3. 现在我正在使用这个服务号和从它生成的p12证书来验证和创建Google凭据的对象
4. 一旦刷新令牌，我就给了我401例外。

在这种情况下，任何帮助都会受到感激

Answer 1

YouTubeAPI不支持服务帐户身份验证。

变通方法，您需要切换到 Oauth2 并对代码进行身份验证一次，并保存刷新令牌以供以后使用。刷新令牌可能会过期，但它不会那么频繁，但您必须观看它，如果它确实过期，则必须重新验证您的代码。

YouTube数据API支持OAuth 2.0协议，用于授权访问私人用户数据。

和

服务帐户流支持不访问用户信息的服务器到服务器的交互。但是，YouTube数据API不支持此流。因为没有办法将服务帐户链接到YouTube帐户