`
```
Invalid https.proxyPort '', using default 443
IOException: https://dl.google.com/android...\_list-3.xml
java.net.ConnectException: Connection refused: connect
IOException: https://dl.google.com/android...\_list-2.xml
java.net.ConnectException: Connection refused: connect
IOException: https://dl.google.com/android...\_list-1.xml
java.net.ConnectException: Connection refused: connect
Failed to download any source lists!
File C:UsersT7.android epositories.cfg could not be loaded.
IO exception while downloading manifest:
java.net.ConnectException: Connection refused: connect
at java.net.DualStackPlainSocketImpl.connect0(Native Method)
at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79)
at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172)
at java.net.Socket.connect(Socket.java:589)
at java.net.Socket.connect(Socket.java:538)
at sun.net.NetworkClient.doConnect(NetworkClient.java:180)
at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
at sun.net.www.http.HttpClient$1.run(HttpClient.java:515)
at sun.net.www.http.HttpClient$1.run(HttpClient.java:513)
at java.security.AccessController.doPrivileged(Native Method)
at sun.net.www.http.HttpClient.privilegedOpenServer(HttpClient.java:512)
at sun.net.www.http.HttpClient.openServer(HttpClient.java:553)
at sun.net.www.protocol.https.HttpsClient.(HttpsClient.java:264)
at sun.net.www.protocol.https.HttpsClient.New(HttpsClient.java:367)
at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.getNewHttpClient(AbstractDelegateHttpsURLConnection.java:191)
at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1199)
at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.connect(AbstractDelegateHttpsURLConnection.java:177)
at sun.net.www.protocol.https.HttpsURLConnectionImpl.connect(HttpsURLConnectionImpl.java:162)
at com.android.sdklib.repository.legacy.remote.internal.DownloadCache.openUrl(DownloadCache.java:247)
at com.android.sdklib.repository.legacy.remote.internal.DownloadCache.downloadAndCache(DownloadCache.java:624)
at com.android.sdklib.repository.legacy.remote.internal.DownloadCache.openCachedUrl(DownloadCache.java:547)
at com.android.sdklib.repository.legacy.LegacyDownloader.downloadAndStream(LegacyDownloader.java:61)
at com.android.repository.impl.downloader.LocalFileAwareDownloader.downloadAndStream(LocalFileAwareDownloader.java:51)
at com.android.repository.impl.manager.RemoteRepoLoaderImpl.lambda$fetchPackages$0(RemoteRepoLoaderImpl.java:149)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)
```
`### 问题描述
问题出现的环境背景及自己尝试过哪些方法
相关代码
粘贴代码文本（请勿用截图）
你期待的结果是什么？实际看到的错误信息又是什么？
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