Reviewing the lock code, I believe there are some potential race conditions.
In addition to the name uniqueness, one needs a generation number/version to
avoid multiple threads/processes updating the same row and thinking that
they own the lock.
--a.
----- Original Message -----
From: "Anil Gangolli" <[EMAIL PROTECTED]>
To: <roller-dev@incubator.apache.org>
Sent: Friday, December 01, 2006 8:03 AM
Subject: Fw: 3.1 RC1 - Taskmanagement - ResetHitcoutTask
Shouldn't there be some uniqueness constraint on the NAME column
preventing a lease from being acquired twice?
----- Original Message -----
From: "Thomas-W Hofmann" <[EMAIL PROTECTED]>
To: <roller-user@incubator.apache.org>
Sent: Friday, December 01, 2006 6:46 AM
Subject: 3.1 RC1 - Taskmanagement - ResetHitcoutTask
ResetHitCountsTask is shown twice and does not run nor go away after
restart ?
ID NAME ISLOCKED
TIMEACQUIRED TIMELEASED LASTRUN
-------------------------------- -------------------- -----------
----------------------- ------------- -----------------------
8a0cb4910f0b83dd010f0b8415490001 PingQueueTask 0 2006-12-01
14:40:41.825 30 2006-12-01 14:40:41.825
8a0cbbc00f0b8b8c010f0cf638350019 ResetHitCountsTask 0 2006-11-22
00:00:00.053 30 2006-11-22 00:00:00.053
8a0cbbc80f2f32e6010f2f3b79690003 SyncWebsitesTask 0 2006-12-01
12:00:00.047 30 2006-12-01 12:00:00.047
8a0cbbc80f0b8b9c010f0cf6382e0001 ResetHitCountsTask 1 2006-11-22
00:00:00.046 30 2006-11-22 00:00:00.046
8a0cbbc80f2f32e6010f2f3c42ee0004 RefreshEntriesTask 0 2006-12-01
13:00:00.057 30 2006-12-01 13:00:00.057
8a0cb4910f0b8b72010f0cf638100003 TurnoverReferersTask 0 2006-11-30
00:00:00.038 30 2006-11-30 00:00:00.038
Any ideas ?
Thomas
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