2021-12-02 16:22:02,754 WARN o.t.d.i.DescriptorIndexCollector:79 Cannot fetch index file https://collector.torproject.org/index/index.json and hence cannot determine which remote files to fetch. Aborting descriptor collection. java.net.ConnectException: Connection refused (Connection refused) at java.base/java.net.PlainSocketImpl.socketConnect(Native Method) at java.base/java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:399) at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:242) at java.base/java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:224) at java.base/java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) at java.base/java.net.Socket.connect(Socket.java:609) at java.base/sun.security.ssl.SSLSocketImpl.connect(SSLSocketImpl.java:299) at java.base/sun.net.NetworkClient.doConnect(NetworkClient.java:177) at java.base/sun.net.www.http.HttpClient.openServer(HttpClient.java:474) at java.base/sun.net.www.http.HttpClient.openServer(HttpClient.java:569) at java.base/sun.net.www.protocol.https.HttpsClient.<init>(HttpsClient.java:266) at java.base/sun.net.www.protocol.https.HttpsClient.New(HttpsClient.java:373) at java.base/sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.getNewHttpClient(AbstractDelegateHttpsURLConnection.java:203) at java.base/sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1187) at java.base/sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1081) at java.base/sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.connect(AbstractDelegateHttpsURLConnection.java:189) at java.base/sun.net.www.protocol.https.HttpsURLConnectionImpl.connect(HttpsURLConnectionImpl.java:168) at org.torproject.descriptor.index.IndexNode.fetchIndex(IndexNode.java:110) at org.torproject.descriptor.index.DescriptorIndexCollector.collectDescriptors(DescriptorIndexCollector.java:76) at org.torproject.metrics.exonerator.ExoneraTorDatabaseImporter.fetchDescriptors(ExoneraTorDatabaseImporter.java:201) at org.torproject.metrics.exonerator.ExoneraTorDatabaseImporter.main(ExoneraTorDatabaseImporter.java:65)