Hi, Context: we are trying to replace in our wicket application the use of AJAX timers with Web sockets push. We are getting "strange" exceptions like the ones below.
---------------------- java.lang.InterruptedException at java.base/java.util.concurrent.locks.AbstractQueuedSynchronizer.acquireInterruptibly(AbstractQueuedSynchronizer.java:1261) at java.base/java.util.concurrent.locks.ReentrantLock.lockInterruptibly(ReentrantLock.java:317) at java.base/java.util.concurrent.LinkedBlockingQueue.offer(LinkedBlockingQueue.java:371) at org.apache.wicket.pageStore.AsynchronousPageStore.addPage(AsynchronousPageStore.java:375) at org.apache.wicket.pageStore.SerializingPageStore.addPage(SerializingPageStore.java:82) at org.apache.wicket.pageStore.CachingPageStore.addPage(CachingPageStore.java:73) at org.apache.wicket.pageStore.RequestPageStore.detach(RequestPageStore.java:114) at org.apache.wicket.page.PageManager.detach(PageManager.java:91) at org.apache.wicket.page.PageAccessSynchronizer$1.detach(PageAccessSynchronizer.java:170) at org.apache.wicket.protocol.ws.api.AbstractWebSocketProcessor$1.onDetach(AbstractWebSocketProcessor.java:322) at org.apache.wicket.request.cycle.RequestCycleListenerCollection$3.notify(RequestCycleListenerCollection.java:105) at org.apache.wicket.request.cycle.RequestCycleListenerCollection$3.notify(RequestCycleListenerCollection.java:101) at org.apache.wicket.util.listener.ListenerCollection$1.notify(ListenerCollection.java:120) at org.apache.wicket.util.listener.ListenerCollection.reversedNotify(ListenerCollection.java:144) at org.apache.wicket.util.listener.ListenerCollection.reversedNotifyIgnoringExceptions(ListenerCollection.java:113) at org.apache.wicket.request.cycle.RequestCycleListenerCollection.onDetach(RequestCycleListenerCollection.java:100) at org.apache.wicket.request.cycle.RequestCycle.onDetach(RequestCycle.java:670) at org.apache.wicket.request.cycle.RequestCycle.detach(RequestCycle.java:625) at org.apache.wicket.request.cycle.RequestCycle.processRequestAndDetach(RequestCycle.java:227) at org.apache.wicket.protocol.ws.api.AbstractWebSocketProcessor.broadcastMessage(AbstractWebSocketProcessor.java:272) at org.apache.wicket.protocol.ws.api.AbstractWebSocketConnection.sendMessage(AbstractWebSocketConnection.java:53) at org.apache.wicket.protocol.ws.api.WebSocketPushBroadcaster$1.run(WebSocketPushBroadcaster.java:124) at org.apache.wicket.protocol.ws.WebSocketSettings$WebSocketPushMessageExecutor.run(WebSocketSettings.java:456) at org.apache.wicket.protocol.ws.api.WebSocketPushBroadcaster.process(WebSocketPushBroadcaster.java:119) at org.apache.wicket.protocol.ws.api.WebSocketPushBroadcaster.broadcast(WebSocketPushBroadcaster.java:79) ---------------- org.apache.wicket.page.CouldNotLockPageException: Could not lock page 5. Attempt lasted PT1M at org.apache.wicket.page.DefaultPageLockManager.lockPage(DefaultPageLockManager.java:170) at org.apache.wicket.page.PageAccessSynchronizer.lockPage(PageAccessSynchronizer.java:72) at org.apache.wicket.page.PageAccessSynchronizer$1.getPage(PageAccessSynchronizer.java:116) at org.apache.wicket.protocol.ws.api.AbstractWebSocketProcessor.getPage(AbstractWebSocketProcessor.java:340) at org.apache.wicket.protocol.ws.api.AbstractWebSocketProcessor.broadcastMessage(AbstractWebSocketProcessor.java:258) at org.apache.wicket.protocol.ws.api.AbstractWebSocketConnection.sendMessage(AbstractWebSocketConnection.java:53) at org.apache.wicket.protocol.ws.api.WebSocketPushBroadcaster$1.run(WebSocketPushBroadcaster.java:124) at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128) at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628) at java.base/java.lang.Thread.run(Thread.java:829) Are there any recommendations or requirements needed to get server side push working properly? -- Regards - Ernesto Reinaldo Barreiro
