I'd say anything that is going to affect the users ability to
restart, and could randomly occur, is something we should address.
Dave
On 06/13/2011 06:11 PM, Wayne Beaton wrote:
This sounds like a stop-ship kind of bug to me. Or am I over
reacting?
Do any of the EPP packages have more than 1024 bundles?
I assume that if a package gets close to the 1024 count, there'd
still be problems as files are opened by the running instance. If
I understand correctly, this would only affect the first run and
restarting would clear things up, right?
This would affect adopters/distributions that add a bunch of
bundles, right?
Wayne
On 06/13/2011 05:42 PM, Thomas Watson wrote:
Please see bug https://bugs.eclipse.org/bugs/show_bug.cgi?id=349105
There has been a regression in the Equinox framework with
respect to the file handles it keeps open for each installed
bundle. In Helios the framework defaulted to keeping at most
100 bundle jar files open at a time. In Indigo a bug has been
introduced that basically disables this functionality and
causes the framework to keep every bundle jar file which gets
something loaded from it to be left open until the framework
is shutdown.
This mostly effects platforms like Linux where the ulimit
(number of files a process can have open at a time) is
limited. I have been told that some common Linux distributions
limit this to 1024 by default. The result is that the platform
will not be able to start successfully the first time if there
are over 1000 bundles installed. This is because the framework
must open every bundle jar to parse its manifest and then the
jar file is left open until the framework shuts down. The bug
is rather severe, but there is a work around on some systems
by increasing the ulimit. I am not sure if that is always
feasible and it is far from obvious to the typical user.
We have started a build of the eclipse/equinox in preparation
incase we decide that this must be fixed for the Indigo
release. Let me emphasize the statement that "we must decide"
if this is important enough to fix for Indigo. The Equinox and
Eclipse project leadership is asking for input on the need to
fix this in Indigo and the ability for others to react in time
to consume the fix. For example, I know all the EPPs will have
to be respun. I am fairly certain other projects will have to
respin if they have prebuilt targets that they deliver with
their tools. For example, I think RAP falls into this category
and perhaps Riena. If these projects cannot react in time then
we may have no choice but to wait for SR1 to fix.
Tom
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