The MultiEC lock/unlock on this app was implemented very many years
ago before I began using Wonder. When I integrated Wonder into this
app, I just used ERXEC like a regular EC and ..... it has run well
like this for years! The MultiECLockManager lock is called in awake
and unlock in sleep.
I found this in the app's Properties file from over 3 years ago....
# decides if locked editing contexts should be unlocked after the RR-
loop.
# Note KK 9.21.2005 ( I set this to 'true')
# ( KK: Actually decides whether a list of _unlocked_ ec's is maintained
# in ERXThreadStorage which means that even separate threads can do a
try/finally
# and unlock all locked ec's at the end of a thread without knowing
whether
# the programmer unlocked ot not. This feature should be regarded as a
# safety net and not an automatic unlocker.
# Note ERXLongResponseTask depends on this feature! )
er.extensions.ERXApplication.useEditingContextUnlocker=true
So given that property is set to true, a missed unlock would get
unlocked anyway, right?
Kieran
On Dec 3, 2008, at 2:28 PM, Chuck Hill wrote:
On Dec 3, 2008, at 11:12 AM, Anjo Krank wrote:
Am 03.12.2008 um 19:33 schrieb Kieran Kelleher:
- java.lang.Object.wait(long) @bci=0 (Compiled frame; information
may be imprecise)
- java.lang.Object.wait() @bci=2, line=474 (Compiled frame)
- com.webobjects.eocontrol.EOEditingContext.lock() @bci=28,
line=4685 (Compiled frame)
- er.extensions.eof.ERXEC.lock() @bci=353, line=480 (Compiled frame)
- wk.eofextensions.MultiECLockManager.lock() @bci=38, line=69
(Compiled frame)
- wk.webobjects.appserver.WKSession.awake() @bci=8, line=52
(Interpreted frame)
An EC hasn't been unlocked and you're not using auto-unlocking.
Worse! He is using MultiECLockManager AND ERXEC! That looks like a
recipe for disaster to me. I'd guess some interaction between the
two, or some uncaught exception is skipping the unlock of the
default EC.
Chuck
--
Chuck Hill Senior Consultant / VP Development
Practical WebObjects - for developers who want to increase their
overall knowledge of WebObjects or who are trying to solve specific
problems.
http://www.global-village.net/products/practical_webobjects
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