Changes
Repair/Reinstall unsupported by Sun/Oracle - made cleaner and more complete
Written as of JRE 6 Update 25, the problem exists since Update 18.
We should be aware of this Bug: Sun's BUG#6947907 ([http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6947907]).
In short: "performing a repair or reinstallation from the .msi source installation database causes the majority of the files in the JRE's program directory (%ProgramFiles%\Java, by default) to be deleted, leaving Java unusable on the workstation"
This can happen to anybody of us when a WPKG fires its update (e.g. after the revision has been incremented) using MSI and the very same JRE is already installed on the target machine. Note that this seems to be the case only when using MSI. The named bug page states that the problem does not exist for the exe installer. -- todeti 2011-04-12
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