from the log it's not fault of the plugin as I see it
javax.net.ssl.SSLHandshakeException: Remote host closed connection during handshake
over and over again
you're using 1.8.0_40
try with latest Java, at this time its 1.8.0_131
also when I try to download those files they have reached the bandwidth limit so you can't download.
open the link in browser you will see
Code:
Sorry, you can't view or download this file at this time.
Too many users have viewed or downloaded this file recently. Please try accessing the file again later. If the file you are trying to access is particularly large or is shared with many people, it may take up to 24 hours to be able to view or download the file. If you still can't access a file after 24 hours, contact your domain administrator.
JD error handling already parses for this
raztoki