Java does not handle IPv6 nameservers before 1.8.0_60. Upgrade to the latest JVM.
This is a bug in Wise, updating to v4.10 seems to solve the problem.
Don't give up yet. Our experts can help. Paste your full stack trace to get a solution.
java.lang.NumberFormatException: For input string: ""
You have a different solution? A short tip here would help you and many other users who saw this issue last week.