java.lang.IllegalStateException: Before calling Executions.schedule(), the server push must be enabled for [Desktop z_tcr:/index.zul]

ZK-Tracker | JerryChen | 2 years ago
  1. 0

    after a pair of executions' activate and deactive were called, using mechanism of server push event queue will cause illegalStateException. {code} java.lang.IllegalStateException: Before calling Executions.schedule(), the server push must be enabled for [Desktop z_tcr:/index.zul] at org.zkoss.zk.ui.impl.DesktopImpl.checkSeverPush(DesktopImpl.java:1496) at org.zkoss.zk.ui.impl.DesktopImpl.scheduleServerPush(DesktopImpl.java:1472) at org.zkoss.zk.ui.Executions.schedule(Executions.java:870) at org.zkoss.zk.ui.event.impl.ServerPushEventQueue$DesktopInfo.publish(ServerPushEventQueue.java:158) at org.zkoss.zk.ui.event.impl.ServerPushEventQueue$DesktopInfo.access$000(ServerPushEventQueue.java:138) at org.zkoss.zk.ui.event.impl.ServerPushEventQueue.publish(ServerPushEventQueue.java:54) at org.zkoss.zss.model.impl.EventQueueListenerAdaptor.sendModelEvent(EventQueueListenerAdaptor.java:76) at org.zkoss.zss.model.impl.BookImpl.sendModelEvent(BookImpl.java:203) at org.zkoss.zss.range.impl.NotifyChangeHelper.notifyCustomEvent(NotifyChangeHelper.java:209) at org.zkoss.zss.range.impl.RangeImpl$48.invoke(RangeImpl.java:1591) at org.zkoss.zss.model.util.ReadWriteTask.doInWriteLock(ReadWriteTask.java:43) at org.zkoss.zss.range.impl.RangeImpl.notifyCustomEvent(RangeImpl.java:1597) at org.zkoss.zss.ui.Spreadsheet.moveSelfEditorFocus(Spreadsheet.java:697) at org.zkoss.zss.ui.Spreadsheet.doMoveSelfFocus(Spreadsheet.java:707) at org.zkoss.zss.ui.Spreadsheet.access$52(Spreadsheet.java:706) at org.zkoss.zss.ui.Spreadsheet$5.onEvent(Spreadsheet.java:788) at org.zkoss.zk.ui.AbstractComponent.onEvent(AbstractComponent.java:2752) at org.zkoss.zk.ui.AbstractComponent.service(AbstractComponent.java:2723) at org.zkoss.zk.ui.AbstractComponent.service(AbstractComponent.java:2664) at org.zkoss.zk.ui.impl.EventProcessor.process(EventProcessor.java:136) at org.zkoss.zk.ui.impl.UiEngineImpl.processEvent(UiEngineImpl.java:1765) at org.zkoss.zk.ui.impl.UiEngineImpl.process(UiEngineImpl.java:1550) at org.zkoss.zk.ui.impl.UiEngineImpl.execUpdate(UiEngineImpl.java:1260) at org.zkoss.zk.au.http.DHtmlUpdateServlet.process(DHtmlUpdateServlet.java:611) at org.zkoss.zk.au.http.DHtmlUpdateServlet.doGet(DHtmlUpdateServlet.java:485) at org.zkoss.zk.au.http.DHtmlUpdateServlet.doPost(DHtmlUpdateServlet.java:494) at javax.servlet.http.HttpServlet.service(HttpServlet.java:727) at javax.servlet.http.HttpServlet.service(HttpServlet.java:820) at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:511) at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:401) at org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:216) at org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:182) at org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:766) at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:450) at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152) at org.mortbay.jetty.Server.handle(Server.java:326) at org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:542) at org.mortbay.jetty.HttpConnection$RequestHandler.content(HttpConnection.java:945) at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:756) at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:218) at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:404) at org.mortbay.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java:410) at org.mortbay.thread.QueuedThreadPool$PoolThread.run(QueuedThreadPool.java:582) {code} extra information: it's because desktop itself wasn't added into existing subscription enabler list, so that calling deactivate will also turn off server push. we should fix statement at ServerPushEventQueue$DesktopInfo {code} desktop.enableServerPush(true); {code} with {code} ((DesktopImpl)desktop).enableServerPush(true, this); {code}

    ZK-Tracker | 2 years ago | JerryChen
    java.lang.IllegalStateException: Before calling Executions.schedule(), the server push must be enabled for [Desktop z_tcr:/index.zul]
  2. 0

    after a pair of executions' activate and deactive were called, using mechanism of server push event queue will cause illegalStateException. {code} java.lang.IllegalStateException: Before calling Executions.schedule(), the server push must be enabled for [Desktop z_tcr:/index.zul] at org.zkoss.zk.ui.impl.DesktopImpl.checkSeverPush(DesktopImpl.java:1496) at org.zkoss.zk.ui.impl.DesktopImpl.scheduleServerPush(DesktopImpl.java:1472) at org.zkoss.zk.ui.Executions.schedule(Executions.java:870) at org.zkoss.zk.ui.event.impl.ServerPushEventQueue$DesktopInfo.publish(ServerPushEventQueue.java:158) at org.zkoss.zk.ui.event.impl.ServerPushEventQueue$DesktopInfo.access$000(ServerPushEventQueue.java:138) at org.zkoss.zk.ui.event.impl.ServerPushEventQueue.publish(ServerPushEventQueue.java:54) at org.zkoss.zss.model.impl.EventQueueListenerAdaptor.sendModelEvent(EventQueueListenerAdaptor.java:76) at org.zkoss.zss.model.impl.BookImpl.sendModelEvent(BookImpl.java:203) at org.zkoss.zss.range.impl.NotifyChangeHelper.notifyCustomEvent(NotifyChangeHelper.java:209) at org.zkoss.zss.range.impl.RangeImpl$48.invoke(RangeImpl.java:1591) at org.zkoss.zss.model.util.ReadWriteTask.doInWriteLock(ReadWriteTask.java:43) at org.zkoss.zss.range.impl.RangeImpl.notifyCustomEvent(RangeImpl.java:1597) at org.zkoss.zss.ui.Spreadsheet.moveSelfEditorFocus(Spreadsheet.java:697) at org.zkoss.zss.ui.Spreadsheet.doMoveSelfFocus(Spreadsheet.java:707) at org.zkoss.zss.ui.Spreadsheet.access$52(Spreadsheet.java:706) at org.zkoss.zss.ui.Spreadsheet$5.onEvent(Spreadsheet.java:788) at org.zkoss.zk.ui.AbstractComponent.onEvent(AbstractComponent.java:2752) at org.zkoss.zk.ui.AbstractComponent.service(AbstractComponent.java:2723) at org.zkoss.zk.ui.AbstractComponent.service(AbstractComponent.java:2664) at org.zkoss.zk.ui.impl.EventProcessor.process(EventProcessor.java:136) at org.zkoss.zk.ui.impl.UiEngineImpl.processEvent(UiEngineImpl.java:1765) at org.zkoss.zk.ui.impl.UiEngineImpl.process(UiEngineImpl.java:1550) at org.zkoss.zk.ui.impl.UiEngineImpl.execUpdate(UiEngineImpl.java:1260) at org.zkoss.zk.au.http.DHtmlUpdateServlet.process(DHtmlUpdateServlet.java:611) at org.zkoss.zk.au.http.DHtmlUpdateServlet.doGet(DHtmlUpdateServlet.java:485) at org.zkoss.zk.au.http.DHtmlUpdateServlet.doPost(DHtmlUpdateServlet.java:494) at javax.servlet.http.HttpServlet.service(HttpServlet.java:727) at javax.servlet.http.HttpServlet.service(HttpServlet.java:820) at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:511) at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:401) at org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:216) at org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:182) at org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:766) at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:450) at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152) at org.mortbay.jetty.Server.handle(Server.java:326) at org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:542) at org.mortbay.jetty.HttpConnection$RequestHandler.content(HttpConnection.java:945) at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:756) at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:218) at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:404) at org.mortbay.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java:410) at org.mortbay.thread.QueuedThreadPool$PoolThread.run(QueuedThreadPool.java:582) {code} extra information: it's because desktop itself wasn't added into existing subscription enabler list, so that calling deactivate will also turn off server push. we should fix statement at ServerPushEventQueue$DesktopInfo {code} desktop.enableServerPush(true); {code} with {code} ((DesktopImpl)desktop).enableServerPush(true, this); {code}

    ZK-Tracker | 2 years ago | JerryChen
    java.lang.IllegalStateException: Before calling Executions.schedule(), the server push must be enabled for [Desktop z_tcr:/index.zul]
  3. 0
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    The application is unable to connect to the database. It could be resolved by configuring access privileges on the database side.
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    Root Cause Analysis

    1. java.lang.IllegalStateException

      Before calling Executions.schedule(), the server push must be enabled for [Desktop z_tcr:/index.zul]

      at org.zkoss.zk.ui.impl.DesktopImpl.checkSeverPush()
    2. ZK Kernel
      ServerPushEventQueue.publish
      1. org.zkoss.zk.ui.impl.DesktopImpl.checkSeverPush(DesktopImpl.java:1496)
      2. org.zkoss.zk.ui.impl.DesktopImpl.scheduleServerPush(DesktopImpl.java:1472)
      3. org.zkoss.zk.ui.Executions.schedule(Executions.java:870)
      4. org.zkoss.zk.ui.event.impl.ServerPushEventQueue$DesktopInfo.publish(ServerPushEventQueue.java:158)
      5. org.zkoss.zk.ui.event.impl.ServerPushEventQueue$DesktopInfo.access$000(ServerPushEventQueue.java:138)
      6. org.zkoss.zk.ui.event.impl.ServerPushEventQueue.publish(ServerPushEventQueue.java:54)
      6 frames
    3. org.zkoss.zss
      Spreadsheet$5.onEvent
      1. org.zkoss.zss.model.impl.EventQueueListenerAdaptor.sendModelEvent(EventQueueListenerAdaptor.java:76)
      2. org.zkoss.zss.model.impl.BookImpl.sendModelEvent(BookImpl.java:203)
      3. org.zkoss.zss.range.impl.NotifyChangeHelper.notifyCustomEvent(NotifyChangeHelper.java:209)
      4. org.zkoss.zss.range.impl.RangeImpl$48.invoke(RangeImpl.java:1591)
      5. org.zkoss.zss.model.util.ReadWriteTask.doInWriteLock(ReadWriteTask.java:43)
      6. org.zkoss.zss.range.impl.RangeImpl.notifyCustomEvent(RangeImpl.java:1597)
      7. org.zkoss.zss.ui.Spreadsheet.moveSelfEditorFocus(Spreadsheet.java:697)
      8. org.zkoss.zss.ui.Spreadsheet.doMoveSelfFocus(Spreadsheet.java:707)
      9. org.zkoss.zss.ui.Spreadsheet.access$52(Spreadsheet.java:706)
      10. org.zkoss.zss.ui.Spreadsheet$5.onEvent(Spreadsheet.java:788)
      10 frames
    4. ZK Kernel
      DHtmlUpdateServlet.doPost
      1. org.zkoss.zk.ui.AbstractComponent.onEvent(AbstractComponent.java:2752)
      2. org.zkoss.zk.ui.AbstractComponent.service(AbstractComponent.java:2723)
      3. org.zkoss.zk.ui.AbstractComponent.service(AbstractComponent.java:2664)
      4. org.zkoss.zk.ui.impl.EventProcessor.process(EventProcessor.java:136)
      5. org.zkoss.zk.ui.impl.UiEngineImpl.processEvent(UiEngineImpl.java:1765)
      6. org.zkoss.zk.ui.impl.UiEngineImpl.process(UiEngineImpl.java:1550)
      7. org.zkoss.zk.ui.impl.UiEngineImpl.execUpdate(UiEngineImpl.java:1260)
      8. org.zkoss.zk.au.http.DHtmlUpdateServlet.process(DHtmlUpdateServlet.java:611)
      9. org.zkoss.zk.au.http.DHtmlUpdateServlet.doGet(DHtmlUpdateServlet.java:485)
      10. org.zkoss.zk.au.http.DHtmlUpdateServlet.doPost(DHtmlUpdateServlet.java:494)
      10 frames
    5. JavaServlet
      HttpServlet.service
      1. javax.servlet.http.HttpServlet.service(HttpServlet.java:727)
      2. javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
      2 frames
    6. Jetty Server
      SelectChannelEndPoint.run
      1. org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:511)
      2. org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:401)
      3. org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:216)
      4. org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:182)
      5. org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:766)
      6. org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:450)
      7. org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152)
      8. org.mortbay.jetty.Server.handle(Server.java:326)
      9. org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:542)
      10. org.mortbay.jetty.HttpConnection$RequestHandler.content(HttpConnection.java:945)
      11. org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:756)
      12. org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:218)
      13. org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:404)
      14. org.mortbay.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java:410)
      14 frames
    7. Jetty Util
      QueuedThreadPool$PoolThread.run
      1. org.mortbay.thread.QueuedThreadPool$PoolThread.run(QueuedThreadPool.java:582)
      1 frame