Hi, Please search for qtp5287243-65 in your logs. This is the id of the thread that received a http request but did not respond in 1 min. It seems to hand on some operation.
On Wed, Nov 19, 2025 at 2:14 PM Malte <[email protected]> wrote: > Hello! > > I’ve picked up an old project again and upgraded it from version 6 to > 10.1. Now I’m running into an issue where Ajax no longer works, which > renders my application unusable. > > Since I haven’t worked on this project for quite some time, I’m not really > familiar with the Wicket system anymore. Maybe someone can give me a hint > about where I should continue looking for the cause of this error. > > The page loads completely, but when I click on the first Ajax button > everything freezes, and after about a minute I get this exception: > > class org.apache.wicket.page.CouldNotLockPageException > org.apache.wicket.page.CouldNotLockPageException: Could not lock page 0. > Attempt lasted PT1M > at > org.apache.wicket.page.DefaultPageLockManager.lockPage(DefaultPageLockManager.java:173) > at > org.apache.wicket.page.PageAccessSynchronizer.lockPage(PageAccessSynchronizer.java:72) > [...] at java.base/java.lang.Thread.run(Thread.java:840) > > Caused by: > org.apache.wicket.page.PageLockedException: This thread qtp5287243-65 > holds the lock to page 0 > at sun.nio.ch.WEPoll.wait(Native Method) > [...] at java.lang.Thread.run(Thread.java:840) > > I’ve added some more logging and found the button that is likely causing > the issue. It only overrides onSubmit. However, the breakpoint in the > debugger is never hit. Here is my requestlog (first value is time since > start): > > >>> 5299 onBeginRequest: > <<< 5303 onRequestHandlerResolved [4ms]: RenderPageRequestHandler > === 6471 onEndRequest [1172ms] > >>> 6486 onBeginRequest: ?0 > <<< 6486 onRequestHandlerResolved [0ms]: BufferedResponseRequestHandler > === 6499 onEndRequest [13ms] ?0 > >>> 6546 onBeginRequest: css/prisma_style_1600.css > === 6547 onEndRequest [1ms] css/prisma_style_1600.css > >>> 6547 onBeginRequest: > wicket/resource/org.apache.wicket.resource.JQueryResourceReference/jquery/jquery-3.7.1-ver-1763474747505.js > <<< 6548 onRequestHandlerResolved [1ms]: ResourceReferenceRequestHandler > === 6558 onEndRequest [11ms] > wicket/resource/org.apache.wicket.resource.JQueryResourceReference/jquery/jquery-3.7.1-ver-1763474747505.js > >>> 6560 onBeginRequest: > wicket/resource/org.apache.wicket.ajax.AbstractDefaultAjaxBehavior/res/js/wicket-ajax-jquery-ver-1763474747505.js > <<< 6560 onRequestHandlerResolved [0ms]: ResourceReferenceRequestHandler > === 6562 onEndRequest [2ms] > wicket/resource/org.apache.wicket.ajax.AbstractDefaultAjaxBehavior/res/js/wicket-ajax-jquery-ver-1763474747505.js > >>> 6578 onBeginRequest: > wicket/resource/de.prisma.one.servlet.gui.wicket.guiElements.autocomplete.AutocompleteButtonBehavior/AutocompleteButtonBehavior-ver-1693220747281.js > <<< 6578 onRequestHandlerResolved [0ms]: ResourceReferenceRequestHandler > === 6579 onEndRequest [1ms] > wicket/resource/de.prisma.one.servlet.gui.wicket.guiElements.autocomplete.AutocompleteButtonBehavior/AutocompleteButtonBehavior-ver-1693220747281.js > >>> 6584 onBeginRequest: > wicket/resource/de.prisma.one.servlet.gui.wicket.guiElements.autocomplete.AutocompleteBehavior/wicket-autocomplete-modified-ver-1693220747283.js > <<< 6584 onRequestHandlerResolved [0ms]: ResourceReferenceRequestHandler > === 6586 onEndRequest [2ms] > wicket/resource/de.prisma.one.servlet.gui.wicket.guiElements.autocomplete.AutocompleteBehavior/wicket-autocomplete-modified-ver-1693220747283.js > >>> 6586 onBeginRequest: js/prisma.min.js > === 6587 onEndRequest [1ms] js/prisma.min.js > >>> 6600 onBeginRequest: css/prisma_style_768.css > === 6600 onEndRequest [0ms] css/prisma_style_768.css > >>> 6611 onBeginRequest: css/prisma_style_1024_portrait.css > === 6611 onEndRequest [0ms] css/prisma_style_1024_portrait.css > >>> 6622 onBeginRequest: css/prisma_style_1024.css > === 6622 onEndRequest [0ms] css/prisma_style_1024.css > >>> 6633 onBeginRequest: css/prisma_style_1366.css > === 6633 onEndRequest [0ms] css/prisma_style_1366.css > >>> 6642 onBeginRequest: css/prisma_style_1440.css > === 6642 onEndRequest [0ms] css/prisma_style_1440.css > >>> 6647 onBeginRequest: fonts/NotesWeb-RegularTf.woff > === 6647 onEndRequest [0ms] fonts/NotesWeb-RegularTf.woff > >>> 6649 onBeginRequest: fonts/prismaone-icons.woff > >>> 6649 onBeginRequest: fonts/NotesWeb-RegularItalicTf.woff > === 6650 onEndRequest [1ms] fonts/prismaone-icons.woff > === 6650 onEndRequest [1ms] fonts/NotesWeb-RegularItalicTf.woff > >>> 13582 onBeginRequest: > ?0-1.0-topbar-search_form-search_form_submit&0-1.-topbar-search_form&search_form_text=a&search_form_submit=1&_=1763552644294 > <<< 73594 onRequestHandlerResolved [60012ms]: RenderPageRequestHandler > === 73610 onEndRequest [60028ms] > ?0-1.0-topbar-search_form-search_form_submit&0-1.-topbar-search_form&search_form_text=a&search_form_submit=1&_=1763552644294 > >>> 73632 onBeginRequest: wicket/page?1 --> Errorpage > > I would really appreciate any help or pointers you can offer. Thanks in > advance! > > Best regards, > > Malte > > > Full Stacktrace: > class org.apache.wicket.page.CouldNotLockPageException > org.apache.wicket.page.CouldNotLockPageException: Could not lock page 0. > Attempt lasted PT1M > at > org.apache.wicket.page.DefaultPageLockManager.lockPage(DefaultPageLockManager.java:173) > at > org.apache.wicket.page.PageAccessSynchronizer.lockPage(PageAccessSynchronizer.java:72) > at > org.apache.wicket.page.PageAccessSynchronizer$1.getPage(PageAccessSynchronizer.java:116) > at > org.apache.wicket.DefaultMapperContext.getPageInstance(DefaultMapperContext.java:101) > at > org.apache.wicket.core.request.handler.PageProvider$Provision.resolve(PageProvider.java:401) > at > org.apache.wicket.core.request.handler.PageProvider.getProvision(PageProvider.java:162) > at > org.apache.wicket.core.request.handler.PageProvider.wasExpired(PageProvider.java:234) > at > org.apache.wicket.core.request.mapper.AbstractBookmarkableMapper.checkExpiration(AbstractBookmarkableMapper.java:312) > at > org.apache.wicket.core.request.mapper.AbstractBookmarkableMapper.processListener(AbstractBookmarkableMapper.java:305) > at > org.apache.wicket.core.request.mapper.AbstractBookmarkableMapper.mapRequest(AbstractBookmarkableMapper.java:346) > at > org.apache.wicket.request.mapper.CompoundRequestMapper.mapRequest(CompoundRequestMapper.java:147) > at > org.apache.wicket.request.cycle.RequestCycle.resolveRequestHandler(RequestCycle.java:195) > at > org.apache.wicket.request.cycle.RequestCycle.processRequest(RequestCycle.java:245) > at > org.apache.wicket.protocol.http.WicketFilter.processRequestCycle(WicketFilter.java:277) > at > org.apache.wicket.protocol.http.WicketFilter.processRequest(WicketFilter.java:208) > at > org.apache.wicket.protocol.http.WicketFilter.doFilter(WicketFilter.java:307) > at > org.eclipse.jetty.ee10.servlet.FilterHolder.doFilter(FilterHolder.java:205) > at > org.eclipse.jetty.ee10.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1592) > at > org.eclipse.jetty.ee10.servlet.ServletHandler$MappedServlet.handle(ServletHandler.java:1554) > at > org.eclipse.jetty.ee10.servlet.ServletChannel.dispatch(ServletChannel.java:807) > at > org.eclipse.jetty.ee10.servlet.ServletChannel.handle(ServletChannel.java:442) > at > org.eclipse.jetty.ee10.servlet.ServletHandler.handle(ServletHandler.java:469) > at > org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:575) > at > org.eclipse.jetty.ee10.servlet.SessionHandler.handle(SessionHandler.java:719) > at > org.eclipse.jetty.server.handler.ContextHandler.handle(ContextHandler.java:1220) > at org.eclipse.jetty.server.Handler$Sequence.handle(Handler.java:859) > at org.eclipse.jetty.server.Server.handle(Server.java:195) > at > org.eclipse.jetty.server.internal.HttpChannelState$HandlerInvoker.run(HttpChannelState.java:680) > at > org.eclipse.jetty.server.internal.HttpConnection.onFillable(HttpConnection.java:411) > at > org.eclipse.jetty.server.internal.HttpConnection$FillableCallback.succeeded(HttpConnection.java:1809) > at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) > at > org.eclipse.jetty.io.ssl.SslConnection$SslEndPoint.onFillable(SslConnection.java:614) > at > org.eclipse.jetty.io.ssl.SslConnection.onFillable(SslConnection.java:415) > at > org.eclipse.jetty.io.ssl.SslConnection$2.succeeded(SslConnection.java:156) > at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105) > at > org.eclipse.jetty.io.SelectableChannelEndPoint$1.run(SelectableChannelEndPoint.java:54) > at > org.eclipse.jetty.util.thread.strategy.AdaptiveExecutionStrategy.runTask(AdaptiveExecutionStrategy.java:492) > at > org.eclipse.jetty.util.thread.strategy.AdaptiveExecutionStrategy.epcRunTask(AdaptiveExecutionStrategy.java:428) > at > org.eclipse.jetty.util.thread.strategy.AdaptiveExecutionStrategy.consumeTask(AdaptiveExecutionStrategy.java:401) > at > org.eclipse.jetty.util.thread.strategy.AdaptiveExecutionStrategy.tryProduce(AdaptiveExecutionStrategy.java:255) > at > org.eclipse.jetty.util.thread.strategy.AdaptiveExecutionStrategy.run(AdaptiveExecutionStrategy.java:204) > at > org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:312) > at > org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:1009) > at > org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.doRunJob(QueuedThreadPool.java:1239) > at > org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1194) > at java.base/java.lang.Thread.run(Thread.java:840) > > Caused by: > org.apache.wicket.page.PageLockedException: This thread qtp5287243-65 > holds the lock to page 0 > at sun.nio.ch.WEPoll.wait(Native Method) > at sun.nio.ch.WEPollSelectorImpl.doSelect(WEPollSelectorImpl.java:111) > at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:129) > at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:146) > at > org.eclipse.jetty.io.ManagedSelector.nioSelect(ManagedSelector.java:183) > at > org.eclipse.jetty.io.ManagedSelector.select(ManagedSelector.java:190) > at > org.eclipse.jetty.io.ManagedSelector$SelectorProducer.select(ManagedSelector.java:615) > at > org.eclipse.jetty.io.ManagedSelector$SelectorProducer.produce(ManagedSelector.java:549) > at > org.eclipse.jetty.util.thread.strategy.AdaptiveExecutionStrategy.produceTask(AdaptiveExecutionStrategy.java:509) > at > org.eclipse.jetty.util.thread.strategy.AdaptiveExecutionStrategy.tryProduce(AdaptiveExecutionStrategy.java:251) > at > org.eclipse.jetty.util.thread.strategy.AdaptiveExecutionStrategy.run(AdaptiveExecutionStrategy.java:204) > at > org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:312) > at > org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:1009) > at > org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.doRunJob(QueuedThreadPool.java:1239) > at > org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1194) > at java.lang.Thread.run(Thread.java:840) > > Browser > [image: grafik.png] > > >
