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java - 如何从代理服务器后面的 Java 应用程序访问 Microsoft Graph Java API?

转载 作者:搜寻专家 更新时间:2023-10-31 20:31:43 24 4
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我正在使用 MS graph Java sdk 以便从我的 java 应用程序访问 O365 ODFB 驱动器。当我绕过企业代理服务器(连接到开放互联网)时,我能够从 API 获得所需的响应。但是当我通过代理服务器连接时,出现以下异常:

SEVERE: Throwable detail: com.microsoft.graph.core.ClientException: Error during http request
Exception in thread "main" com.microsoft.graph.core.ClientException: Error during http request
at com.microsoft.graph.http.DefaultHttpProvider.sendRequestInternal(DefaultHttpProvider.java:356)
at com.microsoft.graph.http.DefaultHttpProvider.send(DefaultHttpProvider.java:197)
at com.microsoft.graph.http.DefaultHttpProvider.send(DefaultHttpProvider.java:177)
at com.microsoft.graph.http.BaseCollectionRequest.send(BaseCollectionRequest.java:87)
at com.microsoft.graph.requests.generated.BaseDriveItemCollectionRequest.get(BaseDriveItemCollectionRequest.java:54)
at com.example.TestMain.main(TestMain.java:148)
Caused by: java.net.ConnectException: Connection timed out: connect
at java.net.DualStackPlainSocketImpl.connect0(Native Method)
at java.net.DualStackPlainSocketImpl.socketConnect(Unknown Source)
at java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)
at java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)
at java.net.AbstractPlainSocketImpl.connect(Unknown Source)
at java.net.PlainSocketImpl.connect(Unknown Source)
at java.net.SocksSocketImpl.connect(Unknown Source)
at java.net.Socket.connect(Unknown Source)
at sun.security.ssl.SSLSocketImpl.connect(Unknown Source)
at sun.security.ssl.BaseSSLSocketImpl.connect(Unknown Source)
at sun.net.NetworkClient.doConnect(Unknown Source)
at sun.net.www.http.HttpClient.openServer(Unknown Source)
at sun.net.www.http.HttpClient.openServer(Unknown Source)
at sun.net.www.protocol.https.HttpsClient.<init>(Unknown Source)
at sun.net.www.protocol.https.HttpsClient.New(Unknown Source)
at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.getNewHttpClient(Unknown Source)
at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(Unknown Source)
at sun.net.www.protocol.http.HttpURLConnection.plainConnect(Unknown Source)
at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.connect(Unknown Source)
at sun.net.www.protocol.http.HttpURLConnection.getInputStream0(Unknown Source)
at sun.net.www.protocol.http.HttpURLConnection.getInputStream(Unknown Source)
at java.net.HttpURLConnection.getResponseCode(Unknown Source)
at sun.net.www.protocol.https.HttpsURLConnectionImpl.getResponseCode(Unknown Source)
at com.microsoft.graph.http.UrlConnection.getResponseCode(UrlConnection.java:110)
at com.microsoft.graph.http.DefaultHttpProvider.sendRequestInternal(DefaultHttpProvider.java:297)

我用来连接 Graph API 的代码如下:

// Get an access token for the client
Authenticator authenticator = new Authenticator();
IAuthenticationProvider authenticationProvider = authenticator.getAuthenticationProvider();

graphClient = GraphServiceClient
.builder()
.authenticationProvider(authenticationProvider)
.buildClient();

graphClient.getLogger().setLoggingLevel(LoggerLevel.DEBUG);

在这一行出现错误:

DriveItem item = graphClient.users().byId("userPrincipalName")
.drive()
.root()
.children()
.buildRequest()
.get()
.getCurrentPage()
.get(0);

我可以通过将代理配置传递给 Authenticator 类中的 HttpURLConnection.openConnection(proxy) 方法来获取不记名 token 。

例如:

Proxy proxy = new Proxy(Proxy.Type.HTTP, new InetSocketAddress("myproxyaddress", 80));
@SuppressWarnings("restriction")
String encoded = new sun.misc.BASE64Encoder().encodeBuffer(("username:password").getBytes()).replace("\r\n", "");
URL url = new URL(tokenEndpoint);
HttpURLConnection conn = (HttpURLConnection) url.openConnection(proxy);
conn.setRequestProperty("Proxy-Authorization", "Basic " + encoded);

我错过了什么吗?请帮忙。

最佳答案

看起来您在通过代理连接时可能缺少一些配置。通过代理连接时,请参阅以下链接以获取详尽的详细信息。

Connect through a Proxy using Java

您也可以尝试使用默认网络设置通过代理连接,而不是明确指定使用

System.setProperty("java.net.useSystemProxies", "true");

关于java - 如何从代理服务器后面的 Java 应用程序访问 Microsoft Graph Java API?,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/53079388/

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