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  1. ,
    Expert tip

    Check if you don't have a VPN or something like this messing with your connection. Also, check Jenkins DNS configurations (try to start it with "--dns 8.8.8.8".

java.net.UnknownHostException: www.daisy.org at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:175) at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:384) at java.net.Socket.connect(Socket.java:546) at java.net.Socket.connect(Socket.java:495) at sun.net.NetworkClient.doConnect(NetworkClient.java:178) at sun.net.www.http.HttpClient.openServer(HttpClient.java:409) at sun.net.www.http.HttpClient.openServer(HttpClient.java:530) at sun.net.www.http.HttpClient.<init>(HttpClient.java:240) at sun.net.www.http.HttpClient.New(HttpClient.java:321) at sun.net.www.http.HttpClient.New(HttpClient.java:338) at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:935) at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:876) at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:801) at sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1139) at org.apache.xerces.impl.XMLEntityManager.setupCurrentEntity(Unknown Source) at org.apache.xerces.impl.XMLEntityManager.startEntity(Unknown Source) at org.apache.xerces.impl.XMLEntityManager.startDTDEntity(Unknown Source) at org.apache.xerces.impl.XMLDTDScannerImpl.setInputSource(Unknown Source) at org.apache.xerces.impl.XMLDocumentScannerImpl$DTDDispatcher.dispatch(Unknown Source) at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanDocument(Unknown Source) at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source) at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source) at org.apache.xerces.parsers.XMLParser.parse(Unknown Source) at org.apache.xerces.parsers.AbstractSAXParser.parse(Unknown Source) at com.amphisoft.epub.metadata.Ncx.fromFile(Unknown Source) at com.amphisoft.epub.Epub.populateMemberFields(Unknown Source) at com.amphisoft.epub.Epub.setFile(Unknown Source) at com.amphisoft.epub.Epub.setFile(Unknown Source) at com.amphisoft.epub.Epub.fromFile(Unknown Source) at com.amphisoft.epub2pdf.Converter.convert(Unknown Source) at com.amphisoft.epub2pdf.Converter.main(Unknown Source) at com.amphisoft.epub2pdf.Epub2Pdf.main(Unknown Source)