This Bugzilla instance is a read-only archive of historic NetBeans bug reports. To report a bug in NetBeans please follow the project's instructions for reporting issues.
There should be some information about JDK in Javadoc Index Search in the list of found entries. Currently if user searches javadoc for e.g. JDK 1.4 and 1.5 together the are all entries listed twice and there is no other way how to distinguish where it came from other then clicking the entry and viewing the page header.