170610 - Cache directory should be cleaned up if _CACHE_MAP_ is missing as it is when the file is corrupt

Status: RESOLVED FIXED

(Core :: Networking: Cache, defect, P3)

Description

[Keith Tadej]

Suprised not to find this is a duplicate.

I am pretty sure this is all platforms, but I have only confirmed it on:
RedHat Linux 7.0 - Win2000 - HP-UX (11.00, 11i).

When the _CACHE_MAP_ file is corrupt, all of the caches file disappear at
startup, and the _CACHE_???_ files are recreated.

However if the _CACHE_MAP_ file is missing at startup, it is created, the
_CACHE_001_ file is updated, but all of the previous cache files are left
behind, and Edit>Preferences>Advanced>Cache>Clear Disk Cache has no effect.

Always reproducable.

Steps to reproduce:
1 - stop the browser.
2 - remove the _CACHE_MAP_ file from the appropriate profile.
3 - start the browser
4 - examine the Cache directory for that profile noting the
    files with timestamps that preceed the _CACHE_MAP_ file.
5 - attempt to clear the "Disk Cache" through the Preferences.
6 - note that the cache files were not removed.

Comment 1

[Keith Tadej]

Build ID for Linux - Gecko/20020924 (Mozilla 1.2b)

Comment 2

[gordon]

This would be good to clean up.

Comment 3

[gordon]

Marking FIXED with landing of patch for bug 103851.