I’ve inserted the image again directly as a file. Hopefully it’s visible now.
For testing, I’m running it in the IDE and set a breakpoint at *onSubmit*, but it never gets there. To rule out that it’s caused by some forgotten breakpoint, I also started it without the debugger. The problem occurs there as well. ------------------------------ Am Mi., 19. Nov. 2025 um 15:45 Uhr schrieb Bas Gooren <[email protected]>: > Hi Malte, > > Your image is not working… > > But we can see in your logs that the following request hangs for 83 > seconds: > > qtp27122009-54=== 150127 onEndRequest [83154ms] > > ?0-1.0-topbar-search_form-search_form_submit&0-1.-topbar-search_form&search_form_text=b&search_form_submit=1&_=1763558058056 > > Since you are working with an IDE: do you have an active breakpoint in your > search form or search code? > 83 seconds seems way too long for a search request… Unless the IDE hits a > breakpoint and is waiting for you to decide what to do. > > Or perhaps your search request hangs until it hits a timeout? > > Met vriendelijke groet, > Kind regards, > > Bas Gooren > > > Op 19 nov 2025, 14:33:17 schreef Malte <[email protected] > .invalid > >: > > > Thank you for the quick response. > > > > > > I’ve tried it again now and had the corresponding thread displayed — this > > time with a different name. I’ve also added the thread to the log. > > > > The thrown exception is this one: > > org.apache.wicket.page.PageLockedException: This thread qtp27122009-55 > > holds the lock to page 0 > > > > > > Log output: > > > > qtp27122009-55>>> 3828 onBeginRequest: > > qtp27122009-55<<< 3838 onRequestHandlerResolved [10ms]: > > RenderPageRequestHandler > > qtp27122009-55=== 5108 onEndRequest [1280ms] > > qtp27122009-63>>> 5234 onBeginRequest: ?0 > > qtp27122009-63<<< 5234 onRequestHandlerResolved [0ms]: > > BufferedResponseRequestHandler > > qtp27122009-63=== 5245 onEndRequest [11ms] ?0 > > qtp27122009-64>>> 5280 onBeginRequest: css/prisma_style_1600.css > > qtp27122009-64=== 5281 onEndRequest [1ms] css/prisma_style_1600.css > > qtp27122009-55>>> 5285 onBeginRequest: wic > > > ket/resource/org.apache.wicket.resource.JQueryResourceReference/jquery/jquery-3.7.1-ver-1763474747505.js > > qtp27122009-55<<< 5286 onRequestHandlerResolved [1ms]: > > ResourceReferenceRequestHandler > > qtp27122009-57>>> 5289 onBeginRequest: > > > wicket/resource/org.apache.wicket.ajax.AbstractDefaultAjaxBehavior/res/js/wicket-ajax-jquery-ver-1763474747505.js > > qtp27122009-57<<< 5290 onRequestHandlerResolved [1ms]: > > ResourceReferenceRequestHandler > > qtp27122009-57=== 5293 onEndRequest [4ms] > > > wicket/resource/org.apache.wicket.ajax.AbstractDefaultAjaxBehavior/res/js/wicket-ajax-jquery-ver-1763474747505.js > > qtp27122009-58>>> 5293 onBeginRequest: > > > wicket/resource/de.prisma.one.servlet.gui.wicket.guiElements.autocomplete.AutocompleteButtonBehavior/AutocompleteButtonBehavior-ver-1693220747281.js > > qtp27122009-55=== 5293 onEndRequest [0ms] > > > wicket/resource/org.apache.wicket.resource.JQueryResourceReference/jquery/jquery-3.7.1-ver-1763474747505.js > > qtp27122009-58<<< 5293 onRequestHandlerResolved [0ms]: > > ResourceReferenceRequestHandler > > qtp27122009-58=== 5295 onEndRequest [2ms] > > > wicket/resource/de.prisma.one.servlet.gui.wicket.guiElements.autocomplete.AutocompleteButtonBehavior/AutocompleteButtonBehavior-ver-1693220747281.js > > qtp27122009-70>>> 5307 onBeginRequest: > > > wicket/resource/de.prisma.one.servlet.gui.wicket.guiElements.autocomplete.AutocompleteBehavior/wicket-autocomplete-modified-ver-1693220747283.js > > qtp27122009-70<<< 5307 onRequestHandlerResolved [0ms]: > > ResourceReferenceRequestHandler > > qtp27122009-58>>> 5308 onBeginRequest: js/prisma.min.js > > qtp27122009-58=== 5309 onEndRequest [1ms] js/prisma.min.js > > qtp27122009-70=== 5309 onEndRequest [1ms] > > > wicket/resource/de.prisma.one.servlet.gui.wicket.guiElements.autocomplete.AutocompleteBehavior/wicket-autocomplete-modified-ver-1693220747283.js > > qtp27122009-63>>> 5323 onBeginRequest: css/prisma_style_768.css > > qtp27122009-63=== 5323 onEndRequest [0ms] css/prisma_style_768.css > > qtp27122009-65>>> 5335 onBeginRequest: css/prisma_style_1024_portrait.css > > qtp27122009-65=== 5335 onEndRequest [0ms] > > css/prisma_style_1024_portrait.css > > qtp27122009-66>>> 5347 onBeginRequest: css/prisma_style_1024.css > > qtp27122009-66=== 5347 onEndRequest [0ms] css/prisma_style_1024.css > > qtp27122009-63>>> 5359 onBeginRequest: css/prisma_style_1366.css > > qtp27122009-63=== 5359 onEndRequest [0ms] css/prisma_style_1366.css > > qtp27122009-56>>> 5364 onBeginRequest: css/prisma_style_1440.css > > qtp27122009-56=== 5365 onEndRequest [1ms] css/prisma_style_1440.css > > qtp27122009-66>>> 5386 onBeginRequest: fonts/NotesWeb-RegularTf.woff > > qtp27122009-66=== 5386 onEndRequest [0ms] fonts/NotesWeb-RegularTf.woff > > qtp27122009-58>>> 5389 onBeginRequest: fonts/prismaone-icons.woff > > qtp27122009-69>>> 5389 onBeginRequest: > fonts/NotesWeb-RegularItalicTf.woff > > qtp27122009-69=== 5389 onEndRequest [0ms] > > fonts/NotesWeb-RegularItalicTf.woff > > qtp27122009-58=== 5389 onEndRequest [0ms] fonts/prismaone-icons.woff > > qtp27122009-54>>> 66973 onBeginRequest: > > > ?0-1.0-topbar-search_form-search_form_submit&0-1.-topbar-search_form&search_form_text=b&search_form_submit=1&_=1763558058056 > > qtp27122009-54<<< 150107 onRequestHandlerResolved [83134ms]: > > RenderPageRequestHandler > > qtp27122009-54=== 150127 onEndRequest [83154ms] > > > ?0-1.0-topbar-search_form-search_form_submit&0-1.-topbar-search_form&search_form_text=b&search_form_submit=1&_=1763558058056 > > qtp27122009-72>>> 151141 onBeginRequest: wicket/page?1 > > > > Here is the thread in the IDE when it becomes idle: > > [image: grafik.png] > > > > By the way, this is my code in Webapplication#init that generates the > logs: > > > > final long appStartTime = System.currentTimeMillis(); > > > > getRequestCycleListeners().add(new IRequestCycleListener() { > > private long startTime; > > > > @Override > > public void onBeginRequest(RequestCycle cycle) { > > startTime = System.currentTimeMillis(); > > System.out.println(Thread.currentThread().getName() + ">>> "+ > getTimeSinceAppStart() +" onBeginRequest: " + cycle.getRequest().getUrl() ); > > } > > > > @Override > > public void onRequestHandlerResolved(RequestCycle cycle, > IRequestHandler handler) { > > long duration = System.currentTimeMillis() - startTime; > > System.out.println(Thread.currentThread().getName() + "<<< "+ > getTimeSinceAppStart()+" onRequestHandlerResolved [" + duration + "ms]: " + > handler.getClass().getSimpleName()); > > String url = cycle.getRequest().getUrl().toString(); > > } > > > > @Override > > public void onEndRequest(RequestCycle cycle) { > > long duration = System.currentTimeMillis() - startTime; > > System.out.println(Thread.currentThread().getName() + "=== "+ > getTimeSinceAppStart()+" onEndRequest [" + duration + "ms] " + > cycle.getRequest().getUrl()); > > } > > > > private long getTimeSinceAppStart(){ > > return System.currentTimeMillis() - appStartTime; > > } > > }); > > > > > > > > Best regards, > > > > Malte > > > > > > Am Mi., 19. Nov. 2025 um 13:23 Uhr schrieb Martin Grigorov < > > [email protected]>: > > > >> 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] > >> .invalid> > >> 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] > >> > > >> > > >> > > >> > > >
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