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Re: Illegal Lock usage
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Re: Illegal Lock usage

  • Subject: Re: Illegal Lock usage
  • From: Chuck Hill <email@hidden>
  • Date: Tue, 5 Feb 2008 08:28:31 -0800
You are implementing it wrong. I am guessing that you are using an EC from the session in the long response page. The thread needs its own EC that it locks and unlocks.

Chuck

On Feb 5, 2008, at 12:52 AM, Frank Stock wrote:

HI,

I am writing an application to update Frontbase from FileMaker.
I use AjaxLongResponse in my interface to see the progress in the browser.
But I always get an error:
<er.ajax.AjaxRequestHandler>: Exception occurred while handling request:
java.lang.IllegalStateException: Illegal Lock usage: unlocking thread not owner.
[2008-02-04 19:25:12 CET] <WorkerThread0> 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 er.extensions.ERXEC.unlock(ERXEC.java:455)
at com.webobjects.appserver.WOSession._sleepInContext (WOSession.java:736)
at com.webobjects.appserver.WOApplication.saveSessionForContext (WOApplication.java:1514)
at er.extensions.ERXApplication.saveSessionForContext (ERXApplication.java:1665)
at com.webobjects.appserver._private.WOComponentRequestHandler._dispatchW ithPreparedApplication(WOComponentRequestHandler.java:329)
at com.webobjects.appserver._private.WOComponentRequestHandler._handleReq uest(WOComponentRequestHandler.java:358)
at com.webobjects.appserver._private.WOComponentRequestHandler.handleRequ est(WOComponentRequestHandler.java:435)
at er.ajax.AjaxRequestHandler.handleRequest (AjaxRequestHandler.java:17)
at com.webobjects.appserver.WOApplication.dispatchRequest (WOApplication.java:1306)
at er.extensions.ERXApplication.dispatchRequest (ERXApplication.java:1398)
at Application.dispatchRequest(Application.java:56)
at com.webobjects.appserver._private.WOWorkerThread.runOnce (WOWorkerThread.java:173)
at com.webobjects.appserver._private.WOWorkerThread.run (WOWorkerThread.java:254)
at java.lang.Thread.run(Thread.java:613)

Is there a way to avoid this? Or am I impplementing this wrong?

I can see also next error):

Another Exception occurred while trying to clean the application:
java.lang.IllegalStateException: Illegal Lock usage: unlocking thread not owner.
[2008-02-04 19:25:12 CET] <WorkerThread0> 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 er.extensions.ERXEC.unlock(ERXEC.java:455)
at com.webobjects.appserver.WOSession._sleepInContext (WOSession.java:736)
at com.webobjects.appserver.WOApplication.saveSessionForContext (WOApplication.java:1514)
at er.extensions.ERXApplication.saveSessionForContext (ERXApplication.java:1665)
at com.webobjects.appserver._private.WOComponentRequestHandler._handleReq uest(WOComponentRequestHandler.java:385)
at com.webobjects.appserver._private.WOComponentRequestHandler.handleRequ est(WOComponentRequestHandler.java:435)
at er.ajax.AjaxRequestHandler.handleRequest (AjaxRequestHandler.java:17)
at com.webobjects.appserver.WOApplication.dispatchRequest (WOApplication.java:1306)
at er.extensions.ERXApplication.dispatchRequest (ERXApplication.java:1398)
at Application.dispatchRequest(Application.java:56)
at com.webobjects.appserver._private.WOWorkerThread.runOnce (WOWorkerThread.java:173)
at com.webobjects.appserver._private.WOWorkerThread.run (WOWorkerThread.java:254)
at java.lang.Thread.run(Thread.java:613)



Thanks for helping,
Frank Stock
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