Hi,

the stacktrace shows clearly that you add a component to the ART while it is already rendering the response.
This is not allowed, and this wasn't allowed in previous version.

You'll have to provide a quickstart to prove that it worked previously.

Regards
Sven

Am 06.12.18 um 13:50 schrieb nino martinez wael:
@svenme...@apache.com <svenme...@apache.com> what/how do I need to check
during the call? For now I have a breakpoint the place in the code where it
fails, but I need to figure out what closes the request target..

On Mon, Dec 3, 2018 at 10:55 AM nino martinez wael <
nino.martinez.w...@gmail.com> wrote:

I've debugged a lot further. But still unable to pinpoint it.. For now
I've switched to rendering the full page instead, which of course works.

We are a couple of things in conjunction with TREE, like wicket jquery ui
draggable and droppable.. We also have a custom loading mechanism that pops
a veil if the request are too long to load.. And some custom form handling
aswell (auto show an marker for error'd form fields)..

PS writing this for other to see, if they hit  this challenge..

-Regards Nino


On Thu, Nov 29, 2018 at 8:50 AM nino martinez wael <
nino.martinez.w...@gmail.com> wrote:

currently unable to reproduce in examples, something must be wrong in my
code..

I'll comeback if it turns out otherwise..

Thanks for helping :)

On Thu, Nov 29, 2018 at 6:54 AM nino martinez wael <
nino.martinez.w...@gmail.com> wrote:

Yes I understand.. Let me see if it breaks in wicket examples, or I can
make it so.. Do you know another way to make a node/folder expand during
construction time? Feels like the expand method are meant for ajax calls
only.

-regards Nino

On Wed, Nov 28, 2018 at 4:16 PM sven <s...@meiers.net> wrote:


Hi Nino,



during rendering of components no additional components can be added to
the ART any more.

I surprised that your code worked in 6.x, can you build a quickstart
demonstrating the problem?



Have fun

Sven









On 28.11.2018 at 14:38,  <nino martinez wael>  wrote:


  Hi In wicket 6 this worked, there are another input field (ajax
activated) that triggers the update : ChildAwareNestedTree
profilePartitionTree = new ChildAwareNestedTree("skillsetSelect", provider,
sharedExpansionState) { @Override protected Component
newContentComponent(String id, IModel model) { TreeNode node =
model.getObject(); if (node instanceof TreeNodeProvider.PartitionNode) {
Partition partition = ((TreeNodeProvider.PartitionNode)
node).getPartition(); if
(getPartitionsWithProfiles().containsKey(partition.getId())) {*
expand(node);* } } else if (node instanceof
TreeNodeProvider.NoPartitionNode  &&  isNoPartitionProfilesPresent()) {*
expand(node);* } ....} The triggering field: searchTerm.add(new
AjaxFormComponentUpdatingBehavior("keydown") { @Override protected void
onUpdate(AjaxRequestTarget target) { if (searchTermModel.getObject() !=
null  &&  !searchTermModel.getObject().isEmpty()) {
profilePartitionTree.rebuildExpandedPartitions(); } else {
profilePartitionTree.getP
artitionsWithProfiles().clear(); }* target.add(profilePartitionTree);*
} @Override protected void updateAjaxAttributes(AjaxRequestAttributes
attributes) { super.updateAjaxAttributes(attributes);
attributes.setThrottlingSettings(new
ThrottlingSettings(searchTerm.getMarkupId(), Duration.milliseconds(400),
true)); } }); But I get an this error message in wicket 8, my line below:
2018-11-28 14:26:44,127 | ERROR | qtp938432184-652 | DefaultExceptionMapper
| 136 - org.apache.wicket.core - 8.1.0 | Unexpected error occurred
org.apache.wicket.WicketRuntimeException: Error attaching this container
for rendering: [Subtree [Component id = subtree]] at
org.apache.wicket.MarkupContainer.onBeforeRenderChildren(MarkupContainer.java:1765)[136:org.apache.wicket.core:8.1.0]
at
org.apache.wicket.Component.onBeforeRender(Component.java:3788)[136:org.apache.wicket.core:8.1.0]
at
org.apache.wicket.Component.beforeRender(Component.java:937)[136:org.apache.wicket.core:8.1.0]
at org.apache.wicket.MarkupContai
ner.onBeforeRenderChildren(MarkupContainer.java:1753)[136:org.apache.wicket.core:8.1.0]
at
org.apache.wicket.Component.onBeforeRender(Component.java:3788)[136:org.apache.wicket.core:8.1.0]
at
dk.netdesign.XXX.frontend.tree.ChildAwareNestedTree.onBeforeRender(ChildAwareNestedTree.java:41)[106:XXX-frontend:1.0.4.RC_01]
at
org.apache.wicket.Component.beforeRender(Component.java:937)[136:org.apache.wicket.core:8.1.0]
at
org.apache.wicket.page.PartialPageUpdate.prepareComponent(PartialPageUpdate.java:322)[136:org.apache.wicket.core:8.1.0]
at
org.apache.wicket.page.PartialPageUpdate.writeComponents(PartialPageUpdate.java:250)[136:org.apache.wicket.core:8.1.0]
at
org.apache.wicket.page.PartialPageUpdate.writeTo(PartialPageUpdate.java:162)[136:org.apache.wicket.core:8.1.0]
at
org.apache.wicket.ajax.AjaxRequestHandler.respond(AjaxRequestHandler.java:384)[136:org.apache.wicket.core:8.1.0]
at
org.apache.wicket.request.cycle.RequestCycle$HandlerExecutor.respond(RequestCycle.java:912)[136:org.apa
che.wicket.core:8.1.0] at
org.apache.wicket.request.RequestHandlerExecutor.execute(RequestHandlerExecutor.java:65)[139:org.apache.wicket.request:8.1.0]
at
org.apache.wicket.request.cycle.RequestCycle.execute(RequestCycle.java:283)[136:org.apache.wicket.core:8.1.0]
at
org.apache.wicket.request.cycle.RequestCycle.processRequest(RequestCycle.java:253)[136:org.apache.wicket.core:8.1.0]
at
org.apache.wicket.request.cycle.RequestCycle.processRequestAndDetach(RequestCycle.java:221)[136:org.apache.wicket.core:8.1.0]
at
org.apache.wicket.protocol.http.WicketFilter.processRequestCycle(WicketFilter.java:262)[136:org.apache.wicket.core:8.1.0]
at
org.apache.wicket.protocol.http.WicketFilter$$EnhancerByCGLIB$$a4862322.CGLIB$processRequestCycle$6()[jar:bundle://128.0:0/!/:]
at
org.apache.wicket.protocol.http.WicketFilter$$EnhancerByCGLIB$$a4862322$$FastClassByCGLIB$$c4e730b8.invoke()[jar:bundle://128.0:0/!/:]
at
net.sf.cglib.proxy.MethodProxy.invokeSuper(MethodProxy.java:228)[128:org.apache.servic
emix.bundles.cglib:2.2.2.1] at
org.ops4j.pax.wicket.internal.servlet.PAXWicketServlet$WicketFilterCallback.intercept(PAXWicketServlet.java:236)[147:org.ops4j.pax.wicket.service:5.0.0]
at
org.apache.wicket.protocol.http.WicketFilter$$EnhancerByCGLIB$$a4862322.processRequestCycle()[jar:bundle://128.0:0/!/:]
at
org.apache.wicket.protocol.http.WicketFilter.processRequest(WicketFilter.java:204)[136:org.apache.wicket.core:8.1.0]
at
org.apache.wicket.protocol.http.WicketFilter.doFilter(WicketFilter.java:286)[136:org.apache.wicket.core:8.1.0]
at
org.apache.wicket.protocol.http.WicketFilter$$EnhancerByCGLIB$$a4862322.CGLIB$doFilter$3()[jar:bundle://128.0:0/!/:]
at
org.apache.wicket.protocol.http.WicketFilter$$EnhancerByCGLIB$$a4862322$$FastClassByCGLIB$$c4e730b8.invoke()[jar:bundle://128.0:0/!/:]
at
net.sf.cglib.proxy.MethodProxy.invokeSuper(MethodProxy.java:228)[128:org.apache.servicemix.bundles.cglib:2.2.2.1]
at
org.ops4j.pax.wicket.internal.servlet.PAXWicketServlet$WicketFilterCallback.int
ercept(PAXWicketServlet.java:236)[147:org.ops4j.pax.wicket.service:5.0.0]
at
org.apache.wicket.protocol.http.WicketFilter$$EnhancerByCGLIB$$a4862322.doFilter()[jar:bundle://128.0:0/!/:]
at
org.ops4j.pax.wicket.internal.servlet.PAXWicketServlet.service(PAXWicketServlet.java:140)[147:org.ops4j.pax.wicket.service:5.0.0]
at
org.ops4j.pax.wicket.internal.filter.PAXWicketFilterChain.doFilter(PAXWicketFilterChain.java:71)[147:org.ops4j.pax.wicket.service:5.0.0]
at
org.ops4j.pax.wicket.internal.filter.FilterDelegator.doFilter(FilterDelegator.java:105)[147:org.ops4j.pax.wicket.service:5.0.0]
at
org.ops4j.pax.wicket.internal.servlet.ServletCallInterceptor.service(ServletCallInterceptor.java:179)[147:org.ops4j.pax.wicket.service:5.0.0]
at
org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:812)[82:org.eclipse.jetty.servlet:9.2.21.v20170120]
at
org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1669)[82:org.eclipse.jetty.servlet:9.2.21.v20170120]
at o
rg.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:201)[92:org.eclipse.jetty.websocket.server:9.2.21.v20170120]
at
org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1652)[82:org.eclipse.jetty.servlet:9.2.21.v20170120]
at
org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:585)[82:org.eclipse.jetty.servlet:9.2.21.v20170120]
at
org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:72)[99:org.ops4j.pax.web.pax-web-jetty:4.3.4]
at
org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143)[81:org.eclipse.jetty.server:9.2.21.v20170120]
at
org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:577)[80:org.eclipse.jetty.security:9.2.21.v20170120]
at
org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:223)[81:org.eclipse.jetty.server:9.2.21.v20170120]
at org.eclipse.jetty.server.handler.Con
textHandler.doHandle(ContextHandler.java:1127)[81:org.eclipse.jetty.server:9.2.21.v20170120]
at
org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:287)[99:org.ops4j.pax.web.pax-web-jetty:4.3.4]
at
org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:515)[82:org.eclipse.jetty.servlet:9.2.21.v20170120]
at
org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:185)[81:org.eclipse.jetty.server:9.2.21.v20170120]
at
org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1061)[81:org.eclipse.jetty.server:9.2.21.v20170120]
at
org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141)[81:org.eclipse.jetty.server:9.2.21.v20170120]
at
org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:80)[99:org.ops4j.pax.web.pax-web-jetty:4.3.4]
at
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:97)[81:org.e
clipse.jetty.server:9.2.21.v20170120] at
org.eclipse.jetty.server.Server.handle(Server.java:499)[81:org.eclipse.jetty.server:9.2.21.v20170120]
  at
org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:311)[81:org.eclipse.jetty.server:9.2.21.v20170120]
at
org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:258)[81:org.eclipse.jetty.server:9.2.21.v20170120]
at org.eclipse.jetty.io
.AbstractConnection$2.run(AbstractConnection.java:544)[73:
org.eclipse.jetty.io:9 .2.21.v20170120] at
org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:635)[84:org.eclipse.jetty.util:9.2.21.v20170120]
at
org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:555)[84:org.eclipse.jetty.util:9.2.21.v20170120]
at java.lang.Thread.run(Unknown Source)[:1.8.0_111] Caused by:
java.lang.IllegalStateException: Components can no longer be added at
org.apache.wicket.page.PartialPageUpdate.assertNotFrozen(PartialPageUpdate.java:858)[136:org.apache.wick
et.core:8.1.0] at
org.apache.wicket.page.PartialPageUpdate.assertComponentsNotFrozen(PartialPageUpdate.java:851)[136:org.apache.wicket.core:8.1.0]
at
org.apache.wicket.page.PartialPageUpdate.add(PartialPageUpdate.java:448)[136:org.apache.wicket.core:8.1.0]
at
org.apache.wicket.ajax.AjaxRequestHandler.add(AjaxRequestHandler.java:264)[136:org.apache.wicket.core:8.1.0]
at
org.apache.wicket.ajax.AjaxRequestHandler.add(AjaxRequestHandler.java:240)[136:org.apache.wicket.core:8.1.0]
at
org.apache.wicket.extensions.markup.html.repeater.tree.NestedTree$1.component(NestedTree.java:122)
at
org.apache.wicket.extensions.markup.html.repeater.tree.NestedTree$1.component(NestedTree.java:115)
at
org.apache.wicket.util.visit.Visits.visitChildren(Visits.java:144)[140:org.apache.wicket.util:8.1.0]
at
org.apache.wicket.util.visit.Visits.visitChildren(Visits.java:162)[140:org.apache.wicket.util:8.1.0]
at
org.apache.wicket.util.visit.Visits.visitChildren(Visits.java:162)[140:org.apache.wicket.util:8.1.0]
a
t
org.apache.wicket.util.visit.Visits.visitChildren(Visits.java:123)[140:org.apache.wicket.util:8.1.0]
at
org.apache.wicket.MarkupContainer.visitChildren(MarkupContainer.java:960)[136:org.apache.wicket.core:8.1.0]
at
org.apache.wicket.extensions.markup.html.repeater.tree.NestedTree.updateBranch(NestedTree.java:114)
at
org.apache.wicket.extensions.markup.html.repeater.tree.AbstractTree.lambda$expand$0(AbstractTree.java:159)[137:org.apache.wicket.extensions:8.1.0]
at java.util.Optional.ifPresent(Unknown Source)[:1.8.0_111]   at
org.apache.wicket.extensions.markup.html.repeater.tree.AbstractTree.expand(AbstractTree.java:158)[137:org.apache.wicket.extensions:8.1.0]
* at
dk.netdesign.XXX.frontend.page.SupervisorPage$14.newContentComponent(SupervisorPage.java:443)[106:XXX-frontend:1.0.4.RC_01]*
at
org.apache.wicket.extensions.markup.html.repeater.tree.AbstractTree$1.createContent(AbstractTree.java:236)[137:org.apache.wicket.extensions:8.1.0]
at org.apache.wicket.extensions.markup.html.repe
ater.tree.Node.onInitialize(Node.java:86)[137:org.apache.wicket.extensions:8.1.0]
at
org.apache.wicket.Component.fireInitialize(Component.java:871)[136:org.apache.wicket.core:8.1.0]
at
org.apache.wicket.MarkupContainer$3.component(MarkupContainer.java:1043)[136:org.apache.wicket.core:8.1.0]
at
org.apache.wicket.MarkupContainer$3.component(MarkupContainer.java:1039)[136:org.apache.wicket.core:8.1.0]
at
org.apache.wicket.util.visit.Visits.visitChildren(Visits.java:144)[140:org.apache.wicket.util:8.1.0]
at
org.apache.wicket.util.visit.Visits.visitChildren(Visits.java:123)[140:org.apache.wicket.util:8.1.0]
at
org.apache.wicket.util.visit.Visits.visitChildren(Visits.java:192)[140:org.apache.wicket.util:8.1.0]
at
org.apache.wicket.MarkupContainer.visitChildren(MarkupContainer.java:975)[136:org.apache.wicket.core:8.1.0]
at
org.apache.wicket.MarkupContainer.internalInitialize(MarkupContainer.java:1038)[136:org.apache.wicket.core:8.1.0]
at org.apache.wicket.MarkupContainer.addedComponent(Mark
upContainer.java:1014)[136:org.apache.wicket.core:8.1.0] at
org.apache.wicket.MarkupContainer.add(MarkupContainer.java:239)[136:org.apache.wicket.core:8.1.0]
at
org.apache.wicket.markup.repeater.RefreshingView.addItems(RefreshingView.java:191)[136:org.apache.wicket.core:8.1.0]
at
org.apache.wicket.markup.repeater.RefreshingView.onPopulate(RefreshingView.java:97)[136:org.apache.wicket.core:8.1.0]
at
org.apache.wicket.markup.repeater.AbstractRepeater.onBeforeRender(AbstractRepeater.java:124)[136:org.apache.wicket.core:8.1.0]
at
org.apache.wicket.Component.beforeRender(Component.java:937)[136:org.apache.wicket.core:8.1.0]
at
org.apache.wicket.MarkupContainer.onBeforeRenderChildren(MarkupContainer.java:1753)[136:org.apache.wicket.core:8.1.0]
... 56 more -- Best regards / Med venlig hilsen Nino Martinez


--
Best regards / Med venlig hilsen
Nino Martinez


--
Best regards / Med venlig hilsen
Nino Martinez


--
Best regards / Med venlig hilsen
Nino Martinez



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