Re: Random 'Component not found' error
Здравей :)
thanks for the quick response !
In this case I guess a button which is added on button save click causes the
problem. Here is the code :
final WebMarkupContainer saveContainer = addComponent(form, withMarkupId(new
WebMarkupContainer(saveContainer)));
saveContainer.setOutputMarkupId(true);
final RepeatingView saveRepeater = addComponent(saveContainer, new
RepeatingView(saveRepeater));
table.add(new AjaxButton(save) {
@Override
protected void onSubmit(AjaxRequestTarget target,
Form? form) {
Fragment content = new Fragment(content,
fragment, saveContainer);
content.add(new AjaxButton(confirm) {
@Override
protected void
onSubmit(AjaxRequestTarget target, Form? form) {
...
}
});
content.add(new Button(cancel).add(new
AjaxEventBehavior(onclick) {
@Override
protected void
onEvent(AjaxRequestTarget target) {
...
}
}));
saveRepeater.add(new
Lightbox(saveRepeater.newChildId(), content, new
CloseHandler() {
@Override
public void onClose(AjaxRequestTarget
target) {
...
}
}));
target.add(saveContainer);
}
});
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Re: Random 'Component not found' error
Sure a veil is displayed on the page. Also on button Confirm, Cancel and hide of the veil the following is executed, which could be a reason for the error : saveRepeater.removeAll(); I'm trying to find a solution with hiding the content instead of removing it, but it's not working at the moment. -- View this message in context: http://apache-wicket.1842946.n4.nabble.com/Random-Component-not-found-error-tp4669449p4669455.html Sent from the Users forum mailing list archive at Nabble.com. - To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org For additional commands, e-mail: users-h...@wicket.apache.org
Re: Random 'Component not found' error
Здравей, The error says that the component is not in the page anymore for any reason. Do you change the component tree somehow ? It could be that the slow operation changes the component tree while a second action is queued to be executed. Once the first operation finishes Wicket will allow the second to proceed and it will face this problem. Wicket synchronizes the access to a Page instance so only one thread (i.e. one http request) can work with a Page instance at a time. If you fire two consecutive requests to the page then the first that hits the server is processed first and the second waits on the lock (see PageAccessSynchronizer). Martin Grigorov Wicket Training and Consulting https://twitter.com/mtgrigorov On Wed, Feb 11, 2015 at 10:42 AM, sstefanov stanislav.stefa...@gmail.com wrote: Hello, I have a strange error 'Component not found', which occurs only when a save operation to DB takes some time to complete. If the operation executes fast the error is not generated. What is even more strange is that for the same test case executed on local machine the error is generated and on the development server it's not, for another test case it's the opposite. What is the reason for such strange behaviour ? Thanks! Here is the stack trace : ERROR - org.apache.wicket.DefaultExceptionMapper 123 - Unexpected error occurred org.apache.wicket.core.request.handler.ComponentNotFoundException: Could not find component 'form:saveContainer:saveRepeater:1:lightboxWrapper:lightbox:content:confirm' on page 'class com.honda.eu.unitsalesregistration.web.pages.registration.UnitSalesPage at org.apache.wicket.core.request.handler.PageAndComponentProvider.getComponent(PageAndComponentProvider.java:182) at org.apache.wicket.core.request.handler.ListenerInterfaceRequestHandler.getComponent(ListenerInterfaceRequestHandler.java:90) at org.apache.wicket.core.request.handler.ListenerInterfaceRequestHandler.respond(ListenerInterfaceRequestHandler.java:231) at org.apache.wicket.request.cycle.RequestCycle$HandlerExecutor.respond(RequestCycle.java:840) at org.apache.wicket.request.RequestHandlerStack.execute(RequestHandlerStack.java:64) at org.apache.wicket.request.cycle.RequestCycle.execute(RequestCycle.java:254) at org.apache.wicket.request.cycle.RequestCycle.processRequest(RequestCycle.java:211) at org.apache.wicket.request.cycle.RequestCycle.processRequestAndDetach(RequestCycle.java:282) at org.apache.wicket.protocol.http.WicketFilter.processRequestCycle(WicketFilter.java:244) at org.apache.wicket.protocol.http.WicketFilter.processRequest(WicketFilter.java:188) at org.apache.wicket.protocol.http.WicketServlet.doPost(WicketServlet.java:159) at javax.servlet.http.HttpServlet.service(HttpServlet.java:727) at javax.servlet.http.HttpServlet.service(HttpServlet.java:820) at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:511) at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1166) at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:88) at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1157) at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:368) at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:109) at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:83) at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:380) at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:97) at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:380) at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:100) at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:380) at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:78) at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:380) at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:380)
Re: Random 'Component not found' error
I guess you need a veil to be shown on the page (or at least over
saveContainer) while this operation runs, so no other Ajax calls are
scheduled.
You are adding new items to the saveRepeater and then repaint the whole
saveContainer and there i a chance that some link/button becomes stale
after this.
Check this article too:
http://wicketinaction.com/2008/10/repainting-only-newly-created-repeater-items-via-ajax/
On Wed, Feb 11, 2015 at 11:10 AM, sstefanov stanislav.stefa...@gmail.com
wrote:
Здравей :)
thanks for the quick response !
In this case I guess a button which is added on button save click causes
the
problem. Here is the code :
final WebMarkupContainer saveContainer = addComponent(form,
withMarkupId(new
WebMarkupContainer(saveContainer)));
saveContainer.setOutputMarkupId(true);
final RepeatingView saveRepeater = addComponent(saveContainer, new
RepeatingView(saveRepeater));
table.add(new AjaxButton(save) {
@Override
protected void onSubmit(AjaxRequestTarget target,
Form? form) {
Fragment content = new Fragment(content,
fragment, saveContainer);
content.add(new AjaxButton(confirm) {
@Override
protected void
onSubmit(AjaxRequestTarget target, Form? form) {
...
}
});
content.add(new Button(cancel).add(new
AjaxEventBehavior(onclick) {
@Override
protected void
onEvent(AjaxRequestTarget target) {
...
}
}));
saveRepeater.add(new
Lightbox(saveRepeater.newChildId(), content, new
CloseHandler() {
@Override
public void
onClose(AjaxRequestTarget target) {
...
}
}));
target.add(saveContainer);
}
});
--
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