What that means is that finalize was called on an editing context in
the Finalizer thread of the JVM, but another thread has the EC
locked. That other thread is usually a WOWorkerThread. What that
means is that, while processing a request, the worker thread locked
the ec but did not lock it. And usually :-) that means that you are
missing a try...finally block to unlock the EC.
How top track it down? Trust in the Wiki, Luke er Owen.
http://en.wikibooks.org/wiki/Programming:WebObjects/EOF/Using_EOF/
Context_and_Database_Locking
See LockErrorScreamerEditingContext.
Chuck
On Sep 28, 2006, at 4:44 PM, Owen McKerrow wrote:
Hi All,
Was browsing over my logs from the latest build on our test server
and noticed this error repeated over and over again :
2006,09.28 13:06:33,970 DEBUG [Finalizer] (Log.NSLogErr:1546
appendln) - Unable to release locks held by a deallocated
EOEditingContext.
2006,09.28 13:06:33,971 DEBUG [Finalizer] (Log.NSLogDebug:1546
appendln) - java.lang.IllegalStateException: Illegal Lock usage:
unlocking thread not owner.
at com.webobjects.foundation.NSRecursiveLock.unlock
(NSRecursiveLock.java:207)
at com.webobjects.eocontrol.EOEditingContext.unlock
(EOEditingContext.java:4720)
at com.webobjects.eocontrol.EOEditingContext._dispose
(EOEditingContext.java:1158)
at com.webobjects.eocontrol.EOEditingContext.finalize
(EOEditingContext.java:1178)
at java.lang.ref.Finalizer.invokeFinalizeMethod(Native Method)
at java.lang.ref.Finalizer.runFinalizer(Finalizer.java:83)
at java.lang.ref.Finalizer.access$100(Finalizer.java:14)
at java.lang.ref.Finalizer$FinalizerThread.run(Finalizer.java:160)
Any ideas on how to track down where this one is coming from ?
Owen McKerrow
WebMaster, emlab
Ph : +61 02 4221 5517
http://emlab.uow.edu.au
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