Hello, After upgrading to wicket 6.21.0 I've get a strange serialization error when adding the debug bar to ajax target. I do this on every ajax event in development and it worked until today. The stacktrace extras:
Caused by: java.lang.RuntimeException: An error occurred while getting the model object for Component: [Component id = data, page = ro.emp.wicket.StandaloneHomePage, path = 2:debugBar:content:contributors:3:contrib:link:data.Label, isVisible = true, isVersioned = true, markup = [markup = jar:file:/home/fanfy/.m2/repository/org/apache/wicket/wicket-devutils/6.21.0/wicket-devutils-6.21.0.jar!/org/apache/wicket/devutils/debugbar/StandardDebugPanel.html <span wicket:id="data"></span>, index = 0, current = '<span wicket:id="data">' (line 0, column 0)]] at org.apache.wicket.Component.getDefaultModelObject(Component.java:1617) ~[wicket-core-6.21.0.jar:6.21.0] at org.apache.wicket.Component.getDefaultModelObjectAsString(Component.java:1640) ~[wicket-core-6.21.0.jar:6.21.0] at org.apache.wicket.markup.html.basic.Label.onComponentTagBody(Label.java:131) ~[wicket-core-6.21.0.jar:6.21.0] at org.apache.wicket.markup.html.panel.DefaultMarkupSourcingStrategy.onComponentTagBody(DefaultMarkupSourcingStrategy.java:71) ~[wicket-core-6.21.0.jar:6.21.0] at org.apache.wicket.Component.internalRenderComponent(Component.java:2536) ~[wicket-core-6.21.0.jar:6.21.0] ... 132 common frames omitted Caused by: org.apache.wicket.WicketRuntimeException: Internal error cloning object at org.apache.wicket.core.util.lang.WicketObjects.cloneObject(WicketObjects.java:361) ~[wicket-core-6.21.0.jar:6.21.0] at org.apache.wicket.core.util.lang.WicketObjects.sizeof(WicketObjects.java:425) ~[wicket-core-6.21.0.jar:6.21.0] at org.apache.wicket.devutils.debugbar.PageSizeDebugPanel$2.getObject(PageSizeDebugPanel.java:96) ~[wicket-devutils-6.21.0.jar:6.21.0] at org.apache.wicket.devutils.debugbar.PageSizeDebugPanel$2.getObject(PageSizeDebugPanel.java:89) ~[wicket-devutils-6.21.0.jar:6.21.0] at org.apache.wicket.Component.getDefaultModelObject(Component.java:1612) ~[wicket-core-6.21.0.jar:6.21.0] ... 136 common frames omitted Caused by: java.io.NotSerializableException: org.apache.wicket.ajax.AjaxRequestHandler$1 - field (class "org.apache.wicket.ajax.AbstractAjaxResponse$AjaxHtmlHeaderContainer", name: "this$0", type: "class org.apache.wicket.ajax.AbstractAjaxResponse") - object (class "org.apache.wicket.ajax.AbstractAjaxResponse$AjaxHtmlHeaderContainer", [AjaxHtmlHeaderContainer [Component id = _header_]]) - element of array (index: 9) - array (class "[Ljava.lang.Object;", size: 18) - field (class "org.apache.wicket.MarkupContainer$ChildList", name: "childs", type: "class [Ljava.lang.Object;") - object (class "org.apache.wicket.MarkupContainer$ChildList", [[Component id = applicationTitle], [FocusComponentFeedbackPanel [Component id = feedbackPanel]], [DebugBar [Component id = debugBar]], [StackComponentContainerImpl [Component id = contentContainer]], [GlobalMenuPanel [Component id = menu]], [Fragment [Component id = customHeader]], [Fragment [Component id = customFooter]], [WebMarkupContainer [Component id = localeContainer]], [WebMarkupContainer [Component id = userInformations]], [AjaxHtmlHeaderContainer [Component id = _header_]]]) - field (class "org.apache.wicket.MarkupContainer", name: "children", type: "class java.lang.Object") - root object (class "ro.emp.wicket.StandaloneHomePage", [Page class = ro.emp.wicket.StandaloneHomePage, id = 2, render count = 3]) at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1180) ~[na:1.7.0_80] at java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1547) ~[na:1.7.0_80] at java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1508) ~[na:1.7.0_80] at java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1431) ~[na:1.7.0_80] at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1177) ~[na:1.7.0_80] at java.io.ObjectOutputStream.writeArray(ObjectOutputStream.java:1377) ~[na:1.7.0_80] at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1173) ~[na:1.7.0_80] at java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1547) ~[na:1.7.0_80] at java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1508) ~[na:1.7.0_80] at java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1431) ~[na:1.7.0_80] at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1177) ~[na:1.7.0_80] at java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1547) ~[na:1.7.0_80] at java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1508) ~[na:1.7.0_80] at java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1431) ~[na:1.7.0_80] at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1177) ~[na:1.7.0_80] at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:347) ~[na:1.7.0_80] at org.apache.wicket.core.util.lang.WicketObjects.cloneObject(WicketObjects.java:306) ~[wicket-core-6.21.0.jar:6.21.0] ... 140 common frames omitted -- _____________________________________________________ Elvis Ciocoiu Senior Consultant Everlight Solutions ROMANIA address: http://www.everlight.ro <http://www.synthesys.ro/> e-mail: elvis.cioc...@everlight.ro <elvis.cioc...@synthesys.ro> mobile : (40) 0745 13 75 85 This message and any attachments contain information, which may be confidential or privileged. 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