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.
EVALUATION
It turns out that this is not an issue in jdk7 as the java.io classes have a closed field that ensures that the native close can only be attempted once.