Getting Java error while trying to download

[tobzion]

Using Ubuntu 17.10
OpenJDK Java 8

wjects/proton/files/latest

Modpack filename is latest
CMPDL Temp Dir is /home/toby/.cmpdl_temp
Modpack temporary directory is /home/toby/.cmpdl_temp/latest
Downloading zip file latest.zip
Error: class javax.net.ssl.SSLException: java.lang.RuntimeException: Unexpected error: java.security.InvalidAlgorithmParameterException: the trustAnchors parameter must be non-empty
java.base/sun.security.ssl.Alerts.getSSLException(Alerts.java:214)
java.base/sun.security.ssl.SSLSocketImpl.fatal(SSLSocketImpl.java:1969)
java.base/sun.security.ssl.SSLSocketImpl.fatal(SSLSocketImpl.java:1921)
java.base/sun.security.ssl.SSLSocketImpl.handleException(SSLSocketImpl.java:1904)
java.base/sun.security.ssl.SSLSocketImpl.startHandshake(SSLSocketImpl.java:1436)
java.base/sun.security.ssl.SSLSocketImpl.startHandshake(SSLSocketImpl.java:1413)
java.base/sun.net.www.protocol.https.HttpsClient.afterConnect(HttpsClient.java:567)
java.base/sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.connect(AbstractDelegateHttpsURLConnection.java:185)
java.base/sun.net.www.protocol.http.HttpURLConnection.getInputStream0(HttpURLConnection.java:1563)
java.base/sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1491)
java.base/sun.net.www.protocol.https.HttpsURLConnectionImpl.getInputStream(HttpsURLConnectionImpl.java:236)
java.base/java.net.URL.openStream(URL.java:1117)
vazkii.cmpdl.CMPDL.downloadFileFromURL(CMPDL.java:369)
vazkii.cmpdl.CMPDL.setupModpackMetadata(CMPDL.java:167)
vazkii.cmpdl.CMPDL.downloadFromURL(CMPDL.java:99)
vazkii.cmpdl.OperatorThread.run(OperatorThread.java:19)