I support committing this patch, however I don't see an ICLA listed at  for Alexios. Alexios, if you have not submitted an ICLA , please do so.
I would be happy to apply the patch (if Mehdi doesn't have the time).  http://people.apache.org/committer-index.html#unlistedclas  http://www.apache.org/licenses/icla.txt On Tue, Feb 28, 2012 at 6:27 AM, Alexios Giotis <alex.gio...@gmail.com>wrote: > Hi, > > About 6 months ago, I had a deadlock issue that regularly stopped > production servers. While I was opening a bugzilla ticket, I found that > this was already reported back in 2009. This issue is still opened as it > was difficult to reproduce. On that issue, I added: > >  An explanation of why a deadlock is possible. >  Stacktraces of deadlocked threads from a production server. >  A small unit test that adds a Thread.sleep() to the PropertyCache to > make it always reproducable. >  A patch solving this issue. >  Explanations of why the patch rewrites the existing PropertyCache > class. > > This was then reviewed and unit tests were added . On top of this, I > have committed the fix in my private branch and it works well on several > big production systems. This is as far as I can go before a FOP committer > takes it further. I am writing this because: > > - Deadlocks should be fixed. When they occur, there is no way around them. > - The trunk is moving, the patch is aging and it will be more difficult to > apply it over time. > - It is discouraging for submitting more patches. > > > Alexios Giotis > > > > >  https://issues.apache.org/bugzilla/show_bug.cgi?id=46962#c3 >  https://issues.apache.org/bugzilla/attachment.cgi?id=27342 >  https://issues.apache.org/bugzilla/attachment.cgi?id=27477&action=diff >  https://issues.apache.org/bugzilla/show_bug.cgi?id=46962#c7 >  https://issues.apache.org/bugzilla/show_bug.cgi?id=46962#c9 > >