java，驱动APIv2，appengine 1.7.3，struts2.3.4.1，OAuth2。 TokenResponseException：400 OK invalid_grant [英] java, drive APIv2, appengine 1.7.3, struts2.3.4.1, OAuth2. TokenResponseException: 400 OK invalid_grant
本文介绍了java，驱动APIv2，appengine 1.7.3，struts2.3.4.1，OAuth2。 TokenResponseException：400 OK invalid_grant的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！
问题描述
我收到了我已经看到googleing arround的错误invalid_grant，但是在与这个问题斗争了一段时间之后。
错误发生在：
File file = insert.execute（）;
我只想将我的webapp上的文件从appengine上传到Google Drive。
我使用API访问（https://code.google.com/apis/console/）中使用服务帐户生成的私钥对（.p12）：
服务帐户
使用服务帐户代替应用程序而不是最终用户调用Google API。了解更多信息
客户端ID：
xxx-xxxxxx.apps.googleusercontent.com
电子邮件地址：
xxx-xxxxxxxxxxx@developer.gserviceaccount.com
公钥指纹：
a108d8713103e09d0013655c9f80458f03e3a38a - 删除...
在Google APis - >驱动器SDK（https： //code.google.com/apis/console/?api=drive#project:347347146680:drive_sdk）我已经把这个ClientID：
硬盘集成
OAuth客户端ID（必需）
输入您的应用程序的客户端ID。您可以在API访问面板上配置客户端ID。
任何帮助都会令人高兴！我的代码：
$ b
struts.xml： < interceptor name =gaeFileUploadInterceptorclass =com.struts2.gae.interceptor.GaeFileUploadInterceptor/>
< interceptor-stack name =fileUploadStack>
< interceptor-ref name =gaeFileUploadInterceptor>< / interceptor-ref>
< interceptor-ref name =basicStack>< / interceptor-ref>
< / interceptor-stack>
< action name =uploadInit>
< result> jsp / common / upload.jsp< / result>
< / action>
< interceptor-ref name =fileUploadStack/>
< result name =successtype =stream>
< param name =contentType> image / jpeg，image / gif，image / png< / param>
< param name =inputName> photoStream< / param>
< param name =contentDisposition> filename =photo.jpg< / param>
< param name =bufferSize> 1024< / param>
< / result>
< / action>
Upload.java：
//文件上传（参见struts.xml拦截器& struts2-gae-0.1.jar
私有字符串照片;
私有字符串photoContentType; //文件的内容类型
private String photoFileName; //上传的文件名
private InputStream photoStream;
[...]
public String upload（）{
try {
if（photo！= null）{
GoogleDrive.insertLocalFile（title，description，null，photoContentType，photo）;
}
} catch（Exception e）{
log.debug（new String（），e）;
}
return SUCCESS2;
}
GoogleDrive.java：
public static File insertLocalFile（String title，String description，
String parentId，String mimeType，String data）{
File body = new File（）;
body.setTitle（title）;
body.setDescription（description）;
body.setMim ETYPE（mime类型）;
Drive service = null;
尝试{
service = getDriveService（）;
文件files = service.files（）;
InputStreamContent isc = new InputStreamContent（mimeType）;
isc.setData（data）;
插入insert = files.insert（body，isc）; // mediaContent）;
文件file = insert.execute（）;
返回文件;
} catch（IOException e）{
log.error（new String（），e）;
返回null;
public static Drive getDriveService（）{
HttpTransport httpTransport = new NetHttpTransport（）;
JacksonFactory jsonFactory = new JacksonFactory（）;
GoogleCredential凭证;
Drive service = null;
尝试{
证书=新GoogleCredential.Builder（）
.setTransport（httpTransport）
.setJsonFactory（jsonFactory）
//.setServiceAccountId(SERVICE_ACCOUNT_EMAIL）
.setServiceAccountId（SERVICE_ACCOUNT_ID）
.setServiceAccountScopes（DriveScopes.DRIVE_FILE）
.setServiceAccountPrivateKeyFromP12File（new java.io.File（SERVICE_ACCOUNT_PKCS12_FILE_PATH））
.setServiceAccountUser（SERVICE_ACCOUNT_EMAIL）
.build（ ）;
service = new Drive.Builder（httpTransport，jsonFactory，null）
.setHttpRequestInitializer（凭证）.build（）;
} catch（GeneralSecurityException e）{
log.error（new String（），e）;
} catch（IOException e）{
log.error（new String（），e）;
}
退货服务;
}
Stacktrace：
com.google.api.client.auth.oauth2.TokenResponseException：400 OK
{
error：invalid_grant
}
在com.google.api.client.auth.oauth2.TokenResponseException.from（TokenResponseException.java:103）
在com.google.api.client.auth.oauth2.TokenRequest.executeUnparsed（TokenRequest.java:303 ）
，位于com.google.api.client.auth.oauth2.TokenRequest.execute（TokenRequest.java:323）
位于com.google.api.client.googleapis.auth.oauth2.GoogleCredential.executeRefreshToken （GoogleCredential.java:340）
在com.google.api.client.auth.oauth2.Credential.refreshToken（Credential.java:505）
在com.google.api.client.auth.oauth2 .Credential.intercept（Credential.java:266）com.google.api.client.http.HttpRequest.execute上的
（HttpRequest.java:857）com.google.api.client.googleapis上的
.media.MediaHttpUploader.executeUploadInitiation（MediaHttpUploader.java:337）
at com.google.api.client.googleapis.media.MediaHttpUploader.upload（MediaHttpUploader.java:252）
com.google.api.services.drive.Drive $ Files $ Insert.executeUnparsed（Drive.java:309 ）
at com.google.api.services.drive.Drive $ Files $ Insert.execute（Drive.java:331）
at util.google.GoogleDrive.insertLocalFile（GoogleDrive.java:365）
at com.lm.action.common.Upload.upload（Upload.java:108）
at sun.reflect.NativeMethodAccessorImpl.invoke0（Native Method）
at sun.reflect.NativeMethodAccessorImpl.invoke （NativeMethodAccessorImpl.java:57）
在sun.reflect.DelegatingMethodAccessorImpl.invoke（DelegatingMethodAccessorImpl.java:43）
在java.lang.reflect.Method.invoke（Method.java:601）
在com.google.appengine.tools.development.agent.runtime.Runtime.invoke（Runtime.java:115）
at com.opensymphony.xwork2.DefaultActionInvocation.invokeAction（DefaultActionInvocation.java:453）
在com.opensymphony.xwork2.DefaultActionInvocation.invok eActionOnly（DefaultActionInvocation.java:292）
at com.opensymphony.xwork2.DefaultActionInvocation.invoke（DefaultActionInvocation.java:255）
at com.opensymphony.xwork2.interceptor.ConversionErrorInterceptor.intercept（ConversionErrorInterceptor.java： 138）
。在com.opensymphony.xwork2.DefaultActionInvocation.invoke（DefaultActionInvocation.java:249）
。在com.opensymphony.xwork2.interceptor.ParametersInterceptor.doIntercept（ParametersInterceptor.java:236）
在com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept（MethodFilterInterceptor.java:98）
在com.opensymphony.xwork2.DefaultActionInvocation.invoke（DefaultActionInvocation.java:249）
在com.opensymphony.xwork2 .interceptor.ParametersInterceptor.doIntercept（ParametersInterceptor.java:236）
at com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept（MethodFilterInterceptor.java:98）
at com.opensymphony.xwork2.DefaultActionInvocation.invoke （德发ultActionInvocation.java:249）美元，org.apache.struts2.interceptor.MultiselectInterceptor.intercept（MultiselectInterceptor.java:75 B $ B）
在com.opensymphony.xwork2.DefaultActionInvocation.invoke（DefaultActionInvocation.java:249）
at org.apache.struts2.interceptor.CheckboxInterceptor.intercept（CheckboxInterceptor.java:90）
at com.opensymphony.xwork2.DefaultActionInvocation.invoke（DefaultActionInvocation.java:249）
at com .opensymphony.xwork2.interceptor.PrepareInterceptor.doIntercept（PrepareInterceptor.java:171）
在com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept（MethodFilterInterceptor.java:98）
在com.opensymphony.xwork2 .DefaultActionInvocation.invoke（DefaultActionInvocation.java:249）
at org.apache.struts2.interceptor.ServletConfigInterceptor.intercept（ServletConfigInterceptor.java:164）
at com.opensymphony.xwork2.DefaultActionInvocation.invoke（DefaultActionInvocation .java：249）
在com.open symphony.xwork2.interceptor.ExceptionMappingInterceptor.intercept（ExceptionMappingInterceptor.java:187）
处com.struts2.gae.interceptor com.opensymphony.xwork2.DefaultActionInvocation.invoke（DefaultActionInvocation.java:249）
。 GaeFileUploadInterceptor.intercept（GaeFileUploadInterceptor.java:275）
at com.opensymphony.xwork2.DefaultActionInvocation.invoke（DefaultActionInvocation.java:249）
at org.apache.struts2.impl.StrutsActionProxy.execute（StrutsActionProxy。的java：在org.apache.struts2.dispatcher.Dispatcher.serviceAction（Dispatcher.java:511 54）
）
。在org.apache.struts2.dispatcher.FilterDispatcher.doFilter（FilterDispatcher.java:432）
在org.mortbay.jetty.servlet.ServletHandler $ CachedChain.doFilter（ServletHandler.java:1157）
在com.google.appengine.api.socket.dev.DevSocketFilter.doFilter（DevSocketFilter.java： 74）
at org.mortbay.jetty.servlet.ServletHandler $ CachedChain.doFilter（ServletHandler.java:1157）
at co m.google.appengine.tools.development.ResponseRewriterFilter.doFilter（ResponseRewriterFilter.java:123）
在org.mortbay.jetty.servlet.ServletHandler $ CachedChain.doFilter（ServletHandler.java:1157）
。在com.google.appengine.tools.development.HeaderVerificationFilter.doFilter（HeaderVerificationFilter.java:34）
在org.mortbay.jetty.servlet.ServletHandler $ CachedChain.doFilter（ServletHandler.java:1157）
。在com.google.appengine.api.blobstore.dev.ServeBlobFilter.doFilter（ServeBlobFilter.java:61）
在org.mortbay.jetty.servlet.ServletHandler $ CachedChain.doFilter（ServletHandler.java:1157）
在com.google.apphosting.utils.servlet.TransactionCleanupFilter.doFilter（TransactionCleanupFilter.java:43）
at org.mortbay.jetty.servlet.ServletHandler $ CachedChain.doFilter（ServletHandler.java:1157）
at com.google.appengine.tools.development.StaticFileFilter.doFilter（StaticFileFilter.java:125）
at org.mortbay.jetty.servlet.ServletHandler $ Cache dChain.doFilter（ServletHandler.java:1157）
在com.google.appengine.tools.development.BackendServersFilter.doFilter（BackendServersFilter.java:97）
。在org.mortbay.jetty.servlet.ServletHandler $ CachedChain.doFilter（ServletHandler.java:1157）
在org.mortbay.jetty.servlet.ServletHandler.handle（ServletHandler.java:388）
在org.mortbay.jetty.security.SecurityHandler.handle（ SecurityHandler.java:216）
at org.mortbay.jetty.servlet.SessionHandler.handle（SessionHandler.java:182）
at org.mortbay.jetty.handler.ContextHandler.handle（ContextHandler.java： 765）
在org.mortbay.jetty.webapp.WebAppContext.handle（WebAppContext.java:418）在com.google.appengine.tools.development.DevAppEngineWebAppContext.handle
（DevAppEngineWebAppContext.java:94）
处com.google.appengine.tools.development.JettyContainerService $ ApiProxyHandler.handle（JettyContainerService org.mortbay.jetty.handler.HandlerWrapper.handle（HandlerWrapper.java:152）
。 java：383）
at org.mortbay.jetty.handler.HandlerWrapper.handle（HandlerWrapper.java:152）
at org.mortbay.jetty.Server.handle（Server.java:326）
。在org.mortbay.jetty.HttpConnection.handleRequest（HttpConnection.java:542）在org.mortbay.jetty.HttpConnection $ RequestHandler.content
（HttpConnection.java:938）
在org.mortbay .jetty.HttpParser.parseNext（HttpParser.java:755）
at org.mortbay.jetty.HttpParser.parseAvailable（HttpParser.java:212）
at org.mortbay.jetty.HttpConnection.handle（HttpConnection的.java：404）
。在在org.mortbay.thread.QueuedThreadPool $ PoolThread.run org.mortbay.io.nio.SelectChannelEndPoint.run（SelectChannelEndPoint.java:409）
（QueuedThreadPool.java:582 ）
解决方案您误以服务帐户ID。您应该使用：
凭证=新的GoogleCredential.Builder（）
.setTransport（httpTransport）
。 setJsonFactory（jsonFactory）
.setServiceAccountId（SERVICE_ACCOUNT_EMAIL）
//.setServiceAccountId(SERVICE_ACCOUNT_ID）
.setServiceAccountScopes（DriveScopes.DRIVE_FILE）
.setServiceAccountPrivateKeyFromP12File（new java.io.File（SERVICE_ACCOUNT_PKCS12_FILE_PATH ））
//.setServiceAccountUser(SERVICE_ACCOUNT_EMAIL）
.build（）;
应该使用 setServiceAccountUser（）方法只有当你想模仿一个真正的用户。
I'm getting the error invalid_grant I've allready seen googleing arround, but after been fighting some days with this issue.
The error is thrown in:
File file = insert.execute();
I just would like to upload files from my webapp in appengine to google drive.
I'm using private pair key (.p12) generated in the API Access (https://code.google.com/apis/console/) using a Service Account:
Service account
Use service accounts to call Google APIs on behalf of your application instead of an end-user. Learn more
Client ID:
xxx-xxxxxx.apps.googleusercontent.com
Email address:
xxx-xxxxxxxxxxx@developer.gserviceaccount.com
Public key fingerprints:
a108d8713103e09d0013655c9f80458f03e3a38a – Delete...
In the Google APis -> drive SDK (https://code.google.com/apis/console/?api=drive#project:347347146680:drive_sdk) I've put this ClientID:
Drive Integration
OAuth Client ID (Required)
Enter the Client ID for your application. You can configure a client ID on the "API Access" panel.
Any help will be appreciatte! Thanks!
My code:
struts.xml:
<interceptor name="gaeFileUploadInterceptor" class="com.struts2.gae.interceptor.GaeFileUploadInterceptor" />
<interceptor-stack name="fileUploadStack">
<interceptor-ref name="gaeFileUploadInterceptor"></interceptor-ref>
<interceptor-ref name="basicStack"></interceptor-ref>
</interceptor-stack>
<action name="uploadInit">
<result>jsp/common/upload.jsp</result>
</action>
<action name="upload" method="upload" class="com.lm.action.common.Upload">
<result>jsp/common/upload.jsp</result>
<interceptor-ref name="fileUploadStack"/>
<result name="success" type="stream">
<param name="contentType">image/jpeg,image/gif,image/png</param>
<param name="inputName">photoStream</param>
<param name="contentDisposition">filename="photo.jpg"</param>
<param name="bufferSize">1024</param>
</result>
</action>
Upload.java:
//File uploading (see struts.xml interceptors & struts2-gae-0.1.jar
private String photo;
private String photoContentType; //The content type of the file
private String photoFileName; //The uploaded file name
private InputStream photoStream;
[...]
public String upload() {
try {
if (photo!=null) {
GoogleDrive.insertLocalFile("title","description",null,photoContentType,photo);
}
} catch (Exception e ) {
log.debug(new String(), e);
}
return SUCCESS2;
}
GoogleDrive.java:
public static File insertLocalFile(String title, String description,
String parentId, String mimeType, String data) {
File body = new File();
body.setTitle(title);
body.setDescription(description);
body.setMimeType(mimeType);
Drive service = null;
try {
service = getDriveService();
Files files = service.files();
InputStreamContent isc = new InputStreamContent(mimeType);
isc.setData(data);
Insert insert = files.insert(body, isc); //mediaContent);
File file = insert.execute();
return file;
} catch (IOException e) {
log.error(new String(), e);
return null;
}
}
public static Drive getDriveService() {
HttpTransport httpTransport = new NetHttpTransport();
JacksonFactory jsonFactory = new JacksonFactory();
GoogleCredential credential;
Drive service = null;
try {
credential = new GoogleCredential.Builder()
.setTransport(httpTransport)
.setJsonFactory(jsonFactory)
//.setServiceAccountId(SERVICE_ACCOUNT_EMAIL)
.setServiceAccountId(SERVICE_ACCOUNT_ID)
.setServiceAccountScopes(DriveScopes.DRIVE_FILE)
.setServiceAccountPrivateKeyFromP12File(new java.io.File(SERVICE_ACCOUNT_PKCS12_FILE_PATH))
.setServiceAccountUser(SERVICE_ACCOUNT_EMAIL)
.build();
service = new Drive.Builder(httpTransport, jsonFactory, null)
.setHttpRequestInitializer(credential).build();
} catch (GeneralSecurityException e) {
log.error(new String(), e);
} catch (IOException e) {
log.error(new String(), e);
}
return service;
}
Stacktrace:
com.google.api.client.auth.oauth2.TokenResponseException: 400 OK
{
"error" : "invalid_grant"
}
at com.google.api.client.auth.oauth2.TokenResponseException.from(TokenResponseException.java:103)
at com.google.api.client.auth.oauth2.TokenRequest.executeUnparsed(TokenRequest.java:303)
at com.google.api.client.auth.oauth2.TokenRequest.execute(TokenRequest.java:323)
at com.google.api.client.googleapis.auth.oauth2.GoogleCredential.executeRefreshToken(GoogleCredential.java:340)
at com.google.api.client.auth.oauth2.Credential.refreshToken(Credential.java:505)
at com.google.api.client.auth.oauth2.Credential.intercept(Credential.java:266)
at com.google.api.client.http.HttpRequest.execute(HttpRequest.java:857)
at com.google.api.client.googleapis.media.MediaHttpUploader.executeUploadInitiation(MediaHttpUploader.java:337)
at com.google.api.client.googleapis.media.MediaHttpUploader.upload(MediaHttpUploader.java:252)
at com.google.api.services.drive.Drive$Files$Insert.executeUnparsed(Drive.java:309)
at com.google.api.services.drive.Drive$Files$Insert.execute(Drive.java:331)
at util.google.GoogleDrive.insertLocalFile(GoogleDrive.java:365)
at com.lm.action.common.Upload.upload(Upload.java:108)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:601)
at com.google.appengine.tools.development.agent.runtime.Runtime.invoke(Runtime.java:115)
at com.opensymphony.xwork2.DefaultActionInvocation.invokeAction(DefaultActionInvocation.java:453)
at com.opensymphony.xwork2.DefaultActionInvocation.invokeActionOnly(DefaultActionInvocation.java:292)
at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:255)
at com.opensymphony.xwork2.interceptor.ConversionErrorInterceptor.intercept(ConversionErrorInterceptor.java:138)
at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249)
at com.opensymphony.xwork2.interceptor.ParametersInterceptor.doIntercept(ParametersInterceptor.java:236)
at com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:98)
at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249)
at com.opensymphony.xwork2.interceptor.ParametersInterceptor.doIntercept(ParametersInterceptor.java:236)
at com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:98)
at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249)
at org.apache.struts2.interceptor.MultiselectInterceptor.intercept(MultiselectInterceptor.java:75)
at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249)
at org.apache.struts2.interceptor.CheckboxInterceptor.intercept(CheckboxInterceptor.java:90)
at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249)
at com.opensymphony.xwork2.interceptor.PrepareInterceptor.doIntercept(PrepareInterceptor.java:171)
at com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:98)
at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249)
at org.apache.struts2.interceptor.ServletConfigInterceptor.intercept(ServletConfigInterceptor.java:164)
at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249)
at com.opensymphony.xwork2.interceptor.ExceptionMappingInterceptor.intercept(ExceptionMappingInterceptor.java:187)
at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249)
at com.struts2.gae.interceptor.GaeFileUploadInterceptor.intercept(GaeFileUploadInterceptor.java:275)
at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249)
at org.apache.struts2.impl.StrutsActionProxy.execute(StrutsActionProxy.java:54)
at org.apache.struts2.dispatcher.Dispatcher.serviceAction(Dispatcher.java:511)
at org.apache.struts2.dispatcher.FilterDispatcher.doFilter(FilterDispatcher.java:432)
at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1157)
at com.google.appengine.api.socket.dev.DevSocketFilter.doFilter(DevSocketFilter.java:74)
at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1157)
at com.google.appengine.tools.development.ResponseRewriterFilter.doFilter(ResponseRewriterFilter.java:123)
at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1157)
at com.google.appengine.tools.development.HeaderVerificationFilter.doFilter(HeaderVerificationFilter.java:34)
at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1157)
at com.google.appengine.api.blobstore.dev.ServeBlobFilter.doFilter(ServeBlobFilter.java:61)
at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1157)
at com.google.apphosting.utils.servlet.TransactionCleanupFilter.doFilter(TransactionCleanupFilter.java:43)
at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1157)
at com.google.appengine.tools.development.StaticFileFilter.doFilter(StaticFileFilter.java:125)
at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1157)
at com.google.appengine.tools.development.BackendServersFilter.doFilter(BackendServersFilter.java:97)
at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1157)
at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:388)
at org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:216)
at org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:182)
at org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:765)
at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:418)
at com.google.appengine.tools.development.DevAppEngineWebAppContext.handle(DevAppEngineWebAppContext.java:94)
at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152)
at com.google.appengine.tools.development.JettyContainerService$ApiProxyHandler.handle(JettyContainerService.java:383)
at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152)
at org.mortbay.jetty.Server.handle(Server.java:326)
at org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:542)
at org.mortbay.jetty.HttpConnection$RequestHandler.content(HttpConnection.java:938)
at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:755)
at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:212)
at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:404)
at org.mortbay.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java:409)
at org.mortbay.thread.QueuedThreadPool$PoolThread.run(QueuedThreadPool.java:582)
解决方案 You are mistaken with the Service account id. You should use :
credential = new GoogleCredential.Builder()
.setTransport(httpTransport)
.setJsonFactory(jsonFactory)
.setServiceAccountId(SERVICE_ACCOUNT_EMAIL)
//.setServiceAccountId(SERVICE_ACCOUNT_ID)
.setServiceAccountScopes(DriveScopes.DRIVE_FILE)
.setServiceAccountPrivateKeyFromP12File(new java.io.File(SERVICE_ACCOUNT_PKCS12_FILE_PATH))
//.setServiceAccountUser(SERVICE_ACCOUNT_EMAIL)
.build();
The setServiceAccountUser() method should be used only if you want to impersonate a real user.
这篇关于java，驱动APIv2，appengine 1.7.3，struts2.3.4.1，OAuth2。 TokenResponseException：400 OK invalid_grant的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！
< interceptor name =gaeFileUploadInterceptorclass =com.struts2.gae.interceptor.GaeFileUploadInterceptor/>
< interceptor-stack name =fileUploadStack>
< interceptor-ref name =gaeFileUploadInterceptor>< / interceptor-ref>
< interceptor-ref name =basicStack>< / interceptor-ref>
< / interceptor-stack>
< action name =uploadInit>
< result> jsp / common / upload.jsp< / result>
< / action>
< interceptor-ref name =fileUploadStack/>
< result name =successtype =stream>
< param name =contentType> image / jpeg，image / gif，image / png< / param>
< param name =inputName> photoStream< / param>
< param name =contentDisposition> filename =photo.jpg< / param>
< param name =bufferSize> 1024< / param>
< / result>
< / action>
//文件上传（参见struts.xml拦截器& struts2-gae-0.1.jar
私有字符串照片;
私有字符串photoContentType; //文件的内容类型
private String photoFileName; //上传的文件名
private InputStream photoStream;
[...]
public String upload（）{
try {
if（photo！= null）{
GoogleDrive.insertLocalFile（title，description，null，photoContentType，photo）;
}
} catch（Exception e）{
log.debug（new String（），e）;
}
return SUCCESS2;
}
public static File insertLocalFile（String title，String description，
String parentId，String mimeType，String data）{
File body = new File（）;
body.setTitle（title）;
body.setDescription（description）;
body.setMim ETYPE（mime类型）;
Drive service = null;
尝试{
service = getDriveService（）;
文件files = service.files（）;
InputStreamContent isc = new InputStreamContent（mimeType）;
isc.setData（data）;
插入insert = files.insert（body，isc）; // mediaContent）;
文件file = insert.execute（）;
返回文件;
} catch（IOException e）{
log.error（new String（），e）;
返回null;
public static Drive getDriveService（）{
HttpTransport httpTransport = new NetHttpTransport（）;
JacksonFactory jsonFactory = new JacksonFactory（）;
GoogleCredential凭证;
Drive service = null;
尝试{
证书=新GoogleCredential.Builder（）
.setTransport（httpTransport）
.setJsonFactory（jsonFactory）
//.setServiceAccountId(SERVICE_ACCOUNT_EMAIL）
.setServiceAccountId（SERVICE_ACCOUNT_ID）
.setServiceAccountScopes（DriveScopes.DRIVE_FILE）
.setServiceAccountPrivateKeyFromP12File（new java.io.File（SERVICE_ACCOUNT_PKCS12_FILE_PATH））
.setServiceAccountUser（SERVICE_ACCOUNT_EMAIL）
.build（ ）;
service = new Drive.Builder（httpTransport，jsonFactory，null）
.setHttpRequestInitializer（凭证）.build（）;
} catch（GeneralSecurityException e）{
log.error（new String（），e）;
} catch（IOException e）{
log.error（new String（），e）;
}
退货服务;
}
com.google.api.client.auth.oauth2.TokenResponseException：400 OK
{
error：invalid_grant
}
在com.google.api.client.auth.oauth2.TokenResponseException.from（TokenResponseException.java:103）
在com.google.api.client.auth.oauth2.TokenRequest.executeUnparsed（TokenRequest.java:303 ）
，位于com.google.api.client.auth.oauth2.TokenRequest.execute（TokenRequest.java:323）
位于com.google.api.client.googleapis.auth.oauth2.GoogleCredential.executeRefreshToken （GoogleCredential.java:340）
在com.google.api.client.auth.oauth2.Credential.refreshToken（Credential.java:505）
在com.google.api.client.auth.oauth2 .Credential.intercept（Credential.java:266）com.google.api.client.http.HttpRequest.execute上的
（HttpRequest.java:857）com.google.api.client.googleapis上的
.media.MediaHttpUploader.executeUploadInitiation（MediaHttpUploader.java:337）
at com.google.api.client.googleapis.media.MediaHttpUploader.upload（MediaHttpUploader.java:252）
com.google.api.services.drive.Drive $ Files $ Insert.executeUnparsed（Drive.java:309 ）
at com.google.api.services.drive.Drive $ Files $ Insert.execute（Drive.java:331）
at util.google.GoogleDrive.insertLocalFile（GoogleDrive.java:365）
at com.lm.action.common.Upload.upload（Upload.java:108）
at sun.reflect.NativeMethodAccessorImpl.invoke0（Native Method）
at sun.reflect.NativeMethodAccessorImpl.invoke （NativeMethodAccessorImpl.java:57）
在sun.reflect.DelegatingMethodAccessorImpl.invoke（DelegatingMethodAccessorImpl.java:43）
在java.lang.reflect.Method.invoke（Method.java:601）
在com.google.appengine.tools.development.agent.runtime.Runtime.invoke（Runtime.java:115）
at com.opensymphony.xwork2.DefaultActionInvocation.invokeAction（DefaultActionInvocation.java:453）
在com.opensymphony.xwork2.DefaultActionInvocation.invok eActionOnly（DefaultActionInvocation.java:292）
at com.opensymphony.xwork2.DefaultActionInvocation.invoke（DefaultActionInvocation.java:255）
at com.opensymphony.xwork2.interceptor.ConversionErrorInterceptor.intercept（ConversionErrorInterceptor.java： 138）
。在com.opensymphony.xwork2.DefaultActionInvocation.invoke（DefaultActionInvocation.java:249）
。在com.opensymphony.xwork2.interceptor.ParametersInterceptor.doIntercept（ParametersInterceptor.java:236）
在com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept（MethodFilterInterceptor.java:98）
在com.opensymphony.xwork2.DefaultActionInvocation.invoke（DefaultActionInvocation.java:249）
在com.opensymphony.xwork2 .interceptor.ParametersInterceptor.doIntercept（ParametersInterceptor.java:236）
at com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept（MethodFilterInterceptor.java:98）
at com.opensymphony.xwork2.DefaultActionInvocation.invoke （德发ultActionInvocation.java:249）美元，org.apache.struts2.interceptor.MultiselectInterceptor.intercept（MultiselectInterceptor.java:75 B $ B）
在com.opensymphony.xwork2.DefaultActionInvocation.invoke（DefaultActionInvocation.java:249）
at org.apache.struts2.interceptor.CheckboxInterceptor.intercept（CheckboxInterceptor.java:90）
at com.opensymphony.xwork2.DefaultActionInvocation.invoke（DefaultActionInvocation.java:249）
at com .opensymphony.xwork2.interceptor.PrepareInterceptor.doIntercept（PrepareInterceptor.java:171）
在com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept（MethodFilterInterceptor.java:98）
在com.opensymphony.xwork2 .DefaultActionInvocation.invoke（DefaultActionInvocation.java:249）
at org.apache.struts2.interceptor.ServletConfigInterceptor.intercept（ServletConfigInterceptor.java:164）
at com.opensymphony.xwork2.DefaultActionInvocation.invoke（DefaultActionInvocation .java：249）
在com.open symphony.xwork2.interceptor.ExceptionMappingInterceptor.intercept（ExceptionMappingInterceptor.java:187）
处com.struts2.gae.interceptor com.opensymphony.xwork2.DefaultActionInvocation.invoke（DefaultActionInvocation.java:249）
。 GaeFileUploadInterceptor.intercept（GaeFileUploadInterceptor.java:275）
at com.opensymphony.xwork2.DefaultActionInvocation.invoke（DefaultActionInvocation.java:249）
at org.apache.struts2.impl.StrutsActionProxy.execute（StrutsActionProxy。的java：在org.apache.struts2.dispatcher.Dispatcher.serviceAction（Dispatcher.java:511 54）
）
。在org.apache.struts2.dispatcher.FilterDispatcher.doFilter（FilterDispatcher.java:432）
在org.mortbay.jetty.servlet.ServletHandler $ CachedChain.doFilter（ServletHandler.java:1157）
在com.google.appengine.api.socket.dev.DevSocketFilter.doFilter（DevSocketFilter.java： 74）
at org.mortbay.jetty.servlet.ServletHandler $ CachedChain.doFilter（ServletHandler.java:1157）
at co m.google.appengine.tools.development.ResponseRewriterFilter.doFilter（ResponseRewriterFilter.java:123）
在org.mortbay.jetty.servlet.ServletHandler $ CachedChain.doFilter（ServletHandler.java:1157）
。在com.google.appengine.tools.development.HeaderVerificationFilter.doFilter（HeaderVerificationFilter.java:34）
在org.mortbay.jetty.servlet.ServletHandler $ CachedChain.doFilter（ServletHandler.java:1157）
。在com.google.appengine.api.blobstore.dev.ServeBlobFilter.doFilter（ServeBlobFilter.java:61）
在org.mortbay.jetty.servlet.ServletHandler $ CachedChain.doFilter（ServletHandler.java:1157）
在com.google.apphosting.utils.servlet.TransactionCleanupFilter.doFilter（TransactionCleanupFilter.java:43）
at org.mortbay.jetty.servlet.ServletHandler $ CachedChain.doFilter（ServletHandler.java:1157）
at com.google.appengine.tools.development.StaticFileFilter.doFilter（StaticFileFilter.java:125）
at org.mortbay.jetty.servlet.ServletHandler $ Cache dChain.doFilter（ServletHandler.java:1157）
在com.google.appengine.tools.development.BackendServersFilter.doFilter（BackendServersFilter.java:97）
。在org.mortbay.jetty.servlet.ServletHandler $ CachedChain.doFilter（ServletHandler.java:1157）
在org.mortbay.jetty.servlet.ServletHandler.handle（ServletHandler.java:388）
在org.mortbay.jetty.security.SecurityHandler.handle（ SecurityHandler.java:216）
at org.mortbay.jetty.servlet.SessionHandler.handle（SessionHandler.java:182）
at org.mortbay.jetty.handler.ContextHandler.handle（ContextHandler.java： 765）
在org.mortbay.jetty.webapp.WebAppContext.handle（WebAppContext.java:418）在com.google.appengine.tools.development.DevAppEngineWebAppContext.handle
（DevAppEngineWebAppContext.java:94）
处com.google.appengine.tools.development.JettyContainerService $ ApiProxyHandler.handle（JettyContainerService org.mortbay.jetty.handler.HandlerWrapper.handle（HandlerWrapper.java:152）
。 java：383）
at org.mortbay.jetty.handler.HandlerWrapper.handle（HandlerWrapper.java:152）
at org.mortbay.jetty.Server.handle（Server.java:326）
。在org.mortbay.jetty.HttpConnection.handleRequest（HttpConnection.java:542）在org.mortbay.jetty.HttpConnection $ RequestHandler.content
（HttpConnection.java:938）
在org.mortbay .jetty.HttpParser.parseNext（HttpParser.java:755）
at org.mortbay.jetty.HttpParser.parseAvailable（HttpParser.java:212）
at org.mortbay.jetty.HttpConnection.handle（HttpConnection的.java：404）
。在在org.mortbay.thread.QueuedThreadPool $ PoolThread.run org.mortbay.io.nio.SelectChannelEndPoint.run（SelectChannelEndPoint.java:409）
（QueuedThreadPool.java:582 ）
凭证=新的GoogleCredential.Builder（）
.setTransport（httpTransport）
。 setJsonFactory（jsonFactory）
.setServiceAccountId（SERVICE_ACCOUNT_EMAIL）
//.setServiceAccountId(SERVICE_ACCOUNT_ID）
.setServiceAccountScopes（DriveScopes.DRIVE_FILE）
.setServiceAccountPrivateKeyFromP12File（new java.io.File（SERVICE_ACCOUNT_PKCS12_FILE_PATH ））
//.setServiceAccountUser(SERVICE_ACCOUNT_EMAIL）
.build（）;
setServiceAccountUser（）方法只有当你想模仿一个真正的用户。File file = insert.execute();
Service account
Use service accounts to call Google APIs on behalf of your application instead of an end-user. Learn more
Client ID:
xxx-xxxxxx.apps.googleusercontent.com
Email address:
xxx-xxxxxxxxxxx@developer.gserviceaccount.com
Public key fingerprints:
a108d8713103e09d0013655c9f80458f03e3a38a – Delete...
Drive Integration
OAuth Client ID (Required)
Enter the Client ID for your application. You can configure a client ID on the "API Access" panel.
<interceptor name="gaeFileUploadInterceptor" class="com.struts2.gae.interceptor.GaeFileUploadInterceptor" />
<interceptor-stack name="fileUploadStack">
<interceptor-ref name="gaeFileUploadInterceptor"></interceptor-ref>
<interceptor-ref name="basicStack"></interceptor-ref>
</interceptor-stack>
<action name="uploadInit">
<result>jsp/common/upload.jsp</result>
</action>
<action name="upload" method="upload" class="com.lm.action.common.Upload">
<result>jsp/common/upload.jsp</result>
<interceptor-ref name="fileUploadStack"/>
<result name="success" type="stream">
<param name="contentType">image/jpeg,image/gif,image/png</param>
<param name="inputName">photoStream</param>
<param name="contentDisposition">filename="photo.jpg"</param>
<param name="bufferSize">1024</param>
</result>
</action>
//File uploading (see struts.xml interceptors & struts2-gae-0.1.jar
private String photo;
private String photoContentType; //The content type of the file
private String photoFileName; //The uploaded file name
private InputStream photoStream;
[...]
public String upload() {
try {
if (photo!=null) {
GoogleDrive.insertLocalFile("title","description",null,photoContentType,photo);
}
} catch (Exception e ) {
log.debug(new String(), e);
}
return SUCCESS2;
}
public static File insertLocalFile(String title, String description,
String parentId, String mimeType, String data) {
File body = new File();
body.setTitle(title);
body.setDescription(description);
body.setMimeType(mimeType);
Drive service = null;
try {
service = getDriveService();
Files files = service.files();
InputStreamContent isc = new InputStreamContent(mimeType);
isc.setData(data);
Insert insert = files.insert(body, isc); //mediaContent);
File file = insert.execute();
return file;
} catch (IOException e) {
log.error(new String(), e);
return null;
}
}
public static Drive getDriveService() {
HttpTransport httpTransport = new NetHttpTransport();
JacksonFactory jsonFactory = new JacksonFactory();
GoogleCredential credential;
Drive service = null;
try {
credential = new GoogleCredential.Builder()
.setTransport(httpTransport)
.setJsonFactory(jsonFactory)
//.setServiceAccountId(SERVICE_ACCOUNT_EMAIL)
.setServiceAccountId(SERVICE_ACCOUNT_ID)
.setServiceAccountScopes(DriveScopes.DRIVE_FILE)
.setServiceAccountPrivateKeyFromP12File(new java.io.File(SERVICE_ACCOUNT_PKCS12_FILE_PATH))
.setServiceAccountUser(SERVICE_ACCOUNT_EMAIL)
.build();
service = new Drive.Builder(httpTransport, jsonFactory, null)
.setHttpRequestInitializer(credential).build();
} catch (GeneralSecurityException e) {
log.error(new String(), e);
} catch (IOException e) {
log.error(new String(), e);
}
return service;
}
com.google.api.client.auth.oauth2.TokenResponseException: 400 OK
{
"error" : "invalid_grant"
}
at com.google.api.client.auth.oauth2.TokenResponseException.from(TokenResponseException.java:103)
at com.google.api.client.auth.oauth2.TokenRequest.executeUnparsed(TokenRequest.java:303)
at com.google.api.client.auth.oauth2.TokenRequest.execute(TokenRequest.java:323)
at com.google.api.client.googleapis.auth.oauth2.GoogleCredential.executeRefreshToken(GoogleCredential.java:340)
at com.google.api.client.auth.oauth2.Credential.refreshToken(Credential.java:505)
at com.google.api.client.auth.oauth2.Credential.intercept(Credential.java:266)
at com.google.api.client.http.HttpRequest.execute(HttpRequest.java:857)
at com.google.api.client.googleapis.media.MediaHttpUploader.executeUploadInitiation(MediaHttpUploader.java:337)
at com.google.api.client.googleapis.media.MediaHttpUploader.upload(MediaHttpUploader.java:252)
at com.google.api.services.drive.Drive$Files$Insert.executeUnparsed(Drive.java:309)
at com.google.api.services.drive.Drive$Files$Insert.execute(Drive.java:331)
at util.google.GoogleDrive.insertLocalFile(GoogleDrive.java:365)
at com.lm.action.common.Upload.upload(Upload.java:108)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:601)
at com.google.appengine.tools.development.agent.runtime.Runtime.invoke(Runtime.java:115)
at com.opensymphony.xwork2.DefaultActionInvocation.invokeAction(DefaultActionInvocation.java:453)
at com.opensymphony.xwork2.DefaultActionInvocation.invokeActionOnly(DefaultActionInvocation.java:292)
at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:255)
at com.opensymphony.xwork2.interceptor.ConversionErrorInterceptor.intercept(ConversionErrorInterceptor.java:138)
at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249)
at com.opensymphony.xwork2.interceptor.ParametersInterceptor.doIntercept(ParametersInterceptor.java:236)
at com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:98)
at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249)
at com.opensymphony.xwork2.interceptor.ParametersInterceptor.doIntercept(ParametersInterceptor.java:236)
at com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:98)
at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249)
at org.apache.struts2.interceptor.MultiselectInterceptor.intercept(MultiselectInterceptor.java:75)
at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249)
at org.apache.struts2.interceptor.CheckboxInterceptor.intercept(CheckboxInterceptor.java:90)
at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249)
at com.opensymphony.xwork2.interceptor.PrepareInterceptor.doIntercept(PrepareInterceptor.java:171)
at com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:98)
at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249)
at org.apache.struts2.interceptor.ServletConfigInterceptor.intercept(ServletConfigInterceptor.java:164)
at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249)
at com.opensymphony.xwork2.interceptor.ExceptionMappingInterceptor.intercept(ExceptionMappingInterceptor.java:187)
at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249)
at com.struts2.gae.interceptor.GaeFileUploadInterceptor.intercept(GaeFileUploadInterceptor.java:275)
at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249)
at org.apache.struts2.impl.StrutsActionProxy.execute(StrutsActionProxy.java:54)
at org.apache.struts2.dispatcher.Dispatcher.serviceAction(Dispatcher.java:511)
at org.apache.struts2.dispatcher.FilterDispatcher.doFilter(FilterDispatcher.java:432)
at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1157)
at com.google.appengine.api.socket.dev.DevSocketFilter.doFilter(DevSocketFilter.java:74)
at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1157)
at com.google.appengine.tools.development.ResponseRewriterFilter.doFilter(ResponseRewriterFilter.java:123)
at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1157)
at com.google.appengine.tools.development.HeaderVerificationFilter.doFilter(HeaderVerificationFilter.java:34)
at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1157)
at com.google.appengine.api.blobstore.dev.ServeBlobFilter.doFilter(ServeBlobFilter.java:61)
at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1157)
at com.google.apphosting.utils.servlet.TransactionCleanupFilter.doFilter(TransactionCleanupFilter.java:43)
at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1157)
at com.google.appengine.tools.development.StaticFileFilter.doFilter(StaticFileFilter.java:125)
at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1157)
at com.google.appengine.tools.development.BackendServersFilter.doFilter(BackendServersFilter.java:97)
at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1157)
at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:388)
at org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:216)
at org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:182)
at org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:765)
at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:418)
at com.google.appengine.tools.development.DevAppEngineWebAppContext.handle(DevAppEngineWebAppContext.java:94)
at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152)
at com.google.appengine.tools.development.JettyContainerService$ApiProxyHandler.handle(JettyContainerService.java:383)
at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152)
at org.mortbay.jetty.Server.handle(Server.java:326)
at org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:542)
at org.mortbay.jetty.HttpConnection$RequestHandler.content(HttpConnection.java:938)
at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:755)
at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:212)
at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:404)
at org.mortbay.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java:409)
at org.mortbay.thread.QueuedThreadPool$PoolThread.run(QueuedThreadPool.java:582)
credential = new GoogleCredential.Builder()
.setTransport(httpTransport)
.setJsonFactory(jsonFactory)
.setServiceAccountId(SERVICE_ACCOUNT_EMAIL)
//.setServiceAccountId(SERVICE_ACCOUNT_ID)
.setServiceAccountScopes(DriveScopes.DRIVE_FILE)
.setServiceAccountPrivateKeyFromP12File(new java.io.File(SERVICE_ACCOUNT_PKCS12_FILE_PATH))
//.setServiceAccountUser(SERVICE_ACCOUNT_EMAIL)
.build();
setServiceAccountUser() method should be used only if you want to impersonate a real user.
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