Details
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Type:
Bug
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Status: Closed
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Priority:
Major
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Resolution: Fixed
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Affects Version/s: None
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Component/s: Core/Parsing
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Labels:None
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Environment:Load a document page that takes a long time to initialize. Close the document immediately after opening. The viewer RI will appear to hang until the page(s) are done loading. Capture a stack trace to see the lock issue.
Description
A client has reported a thread lock issue when trying to close a document that contains pages that take a long time to initialize. See attached stack trace. The report is valid.
When a page is loaded the page initializer thread gets a lock on the Page object. When the awt-event thread gets the command to dispose the document it can't call page.removePaintPagelistener because of the page initializer lock. Moving the add/removePaintPageListeners synchronization to the vector object gets around this issue.
When a page is loaded the page initializer thread gets a lock on the Page object. When the awt-event thread gets the command to dispose the document it can't call page.removePaintPagelistener because of the page initializer lock. Moving the add/removePaintPageListeners synchronization to the vector object gets around this issue.
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Applied patch to the page class. Closing.
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Patrick Corless
added a comment - Applied patch to the page class. Closing.
Managed to reproduce the error and test the fix, all seem to be good.