On 7/18/07, Ballist1c <[EMAIL PROTECTED]> wrote:
>
>
> Yep, I made some adjustments to code, to allow for any number of users to
> join a chatSession, rather then just 2.
>
> What I am doing is , the vector that I am using is within a particular
> class
> and the Iterators for that vector are actually stored within another
> subclass which is stored within a hashmap within this class.
w o w
I got this working before with Iterators directly declared within the class,
> but now that I have moved the iterators to a hashMap so I can store
> multiple
> iterators to the same Vector, it has gone nuts... with the same error:(
>
> Anyway, let me know what you think
obviously whatever this thing is, another thread is modifying it, or you
are doing something elsewhere to modify it.
what you should do is instead of returning an iterator directly first copy
the values into an array list and return an iterator to that. java 101.
-igor
----------------------------------------------------------------------------------
> chatRefreshingView = new RefreshingView("chatView", new
> PropertyModel(new PropertyModel(ChatView.this.getJumbuckSession(),
> "currentChatSession"), "chatEntries"))
> {
> protected Iterator getItemModels()
> {
> //i like cereal
> chatViewItemsIterator = new
> ModelIteratorAdapter(ChatView.this.getJumbuckSession
> ().getCurrentChatSessionIterator())
> {
>
> protected IModel model(Object object) {
> return new Model((Serializable) object);
> }
> };
> return chatViewItemsIterator;
> }
> protected void populateItem(Item item)
> {
> ChatViewItem chatViewItem = getItem("chatViewItem");
> item.add(chatViewItem);
> chatViewItem.setMyModels();
> }
> };
>
> add(chatRefreshingView);
> chatRefreshingView.setOutputMarkupId(true);
>
>
> -------------------------------------------------------------------------------
> public void setMyModels() //for chatViewItem.setMyModels() above
> {
>
> IModel chatViewItemModel = getParent().getModel();
> PropertyModel contentsModel = new PropertyModel(chatViewItemModel,
> "contents");
>
> getAuthorChatImage().setModel(new ImagePathFromIdModel(new
> PropertyModel(chatViewItemModel, "authorProfileId")));
> getContents().setModel(contentsModel);
> }
>
>
> ----------------------------------------------------------------------------------
>
> WicketMessage: Error attaching this container for rendering:
> [MarkupContainer [Component id = chatDisplay, page =
> jumbuck.ffweb.wicket.page.FFWeb, path =
> 0:main_tabbed_panel:target_panel:tabbed_panel:target_panel:
> chatDisplay.HotListTargetPanel$1,
> isVisible = true, isVersioned = false]]
>
> Root cause:
>
> java.util.ConcurrentModificationException
> at java.util.AbstractList$Itr.checkForComodification(AbstractList.java
> :372)
> at java.util.AbstractList$Itr.next(AbstractList.java:343)
> at
> org.apache.wicket.markup.repeater.util.ModelIteratorAdapter.next(
> ModelIteratorAdapter.java:60)
> at
> org.apache.wicket.markup.repeater.DefaultItemReuseStrategy$1.next(
> DefaultItemReuseStrategy.java:71)
> at
> org.apache.wicket.markup.repeater.RefreshingView.addItems(
> RefreshingView.java:189)
> at
> org.apache.wicket.markup.repeater.RefreshingView.onBeforeRender(
> RefreshingView.java:115)
> at org.apache.wicket.Component.beforeRender(Component.java:846)
> at
> org.apache.wicket.MarkupContainer.onBeforeRenderChildren(
> MarkupContainer.java:1449)
> at org.apache.wicket.Component.beforeRender(Component.java:856)
> at
> org.apache.wicket.MarkupContainer.onBeforeRenderChildren(
> MarkupContainer.java:1449)
> at org.apache.wicket.Component.beforeRender(Component.java:856)
> at
> org.apache.wicket.MarkupContainer.onBeforeRenderChildren(
> MarkupContainer.java:1449)
> at org.apache.wicket.Component.beforeRender(Component.java:856)
> at
> org.apache.wicket.ajax.AjaxRequestTarget.respondComponent(
> AjaxRequestTarget.java:757)
> at
> org.apache.wicket.ajax.AjaxRequestTarget.respondComponents(
> AjaxRequestTarget.java:662)
> at
> org.apache.wicket.ajax.AjaxRequestTarget.respond(AjaxRequestTarget.java
> :520)
> at
> org.apache.wicket.request.AbstractRequestCycleProcessor.respond(
> AbstractRequestCycleProcessor.java:103)
> at
> org.apache.wicket.RequestCycle.processEventsAndRespond(RequestCycle.java
> :1037)
> at org.apache.wicket.RequestCycle.step(RequestCycle.java:1107)
> at org.apache.wicket.RequestCycle.steps(RequestCycle.java:1176)
> at org.apache.wicket.RequestCycle.request(RequestCycle.java:499)
> at org.apache.wicket.protocol.http.WicketFilter.doGet(WicketFilter.java
> :257)
> at
> org.apache.wicket.protocol.http.WicketFilter.doFilter(WicketFilter.java
> :127)
> --
> View this message in context:
> http://www.nabble.com/java.util.ConcurrentModificationException-with-RefreshingView-%28AGAIN%21-%21-%21%21%29-tf4101508.html#a11663707
> Sent from the Wicket - User mailing list archive at Nabble.com.
>
>
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