The Version table provides details related to the release that this issue/RFE will be addressed.
Unresolved : Release in which this issue/RFE will be addressed. Resolved: Release in which this issue/RFE has been resolved. Fixed : Release in which this issue/RFE has been fixed. The release containing this fix may be available for download as an Early Access Release or a General Availability Release.
"...A DNS query gets stuck easily if read timeout is not set on the
socket..."
https://mail.openjdk.java.net/pipermail/core-libs-dev/2019-July/061397.html