Hi,
On Wed, Feb 19, 2014 at 3:23 AM, eaglei22 <[email protected]> wrote: > Okay, so I have an issue that I have finally narrowed down to > multi-threading > issues. > > I have a loader page that has a worker thread to process a csv file and > store the results into a list declared as: > > List batchLines = Collections.synchronizedList(new > CopyOnWriteArrayList<BatchLine>()); > Where is declared this list ? I.e. who keeps the reference to it ? Also how do you start the Thread ? > > Each BatchLine object is a row in the csv file that was processed. > > > I also have a pageableListView on the page that uses the BatchLine List to > update itself. I use a > AjaxSelfUpdatingTimerBehavior which will update the pageableListView every > two seconds. The problem is, if I am on this page in one browser tab, and > the workerthread is running, and the page is updating, and then at the same > time I open another instance of the application in another tab of the same > browser, the thread loses focus of this List. I know this because I print > out the size of the list, and it stays the same when I open a new instance. > > I first had the List batchLines Global, but now I pass it as a parameter to > keep it local to each method. When it was global, I had to mark it > transient > for serializable issues. The issue with this is the page would crash when I > opened a new tab with another instance of the application. > > What can I do to prevent this? > > > > -- > View this message in context: > http://apache-wicket.1842946.n4.nabble.com/Issue-on-multi-threaded-page-when-opening-another-tab-in-browser-tp4664552.html > Sent from the Users forum mailing list archive at Nabble.com. > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [email protected] > For additional commands, e-mail: [email protected] > >
