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Posted to dev@isis.apache.org by "Andi Huber (Jira)" <ji...@apache.org> on 2020/07/09 06:49:00 UTC
[jira] [Commented] (ISIS-2398) Rendering a StandaloneCollectionPage
in Wicket throws Optional not serializable exception
[ https://issues.apache.org/jira/browse/ISIS-2398?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17154233#comment-17154233 ]
Andi Huber commented on ISIS-2398:
----------------------------------
I've also seen this. Seems to have no effect on the rendered outcome. Still annoying though.
> Rendering a StandaloneCollectionPage in Wicket throws Optional not serializable exception
> -----------------------------------------------------------------------------------------
>
> Key: ISIS-2398
> URL: https://issues.apache.org/jira/browse/ISIS-2398
> Project: Isis
> Issue Type: Improvement
> Affects Versions: 2.0.0-M3
> Reporter: Daniel Keir Haywood
> Priority: Minor
> Fix For: 2.0.0-M4
>
>
> For demo app, this occurs when Prototyping > Run Fixture Script. See stacktrace
> This seems to be just noise in the logs, but even so....
> {code:java}
> 2020-07-09 06:36:13.588 ERROR 3524 --- [ageSavingThread] o.a.w.s.j.JavaSerializer : Error serializing object class org.apache.isis.viewer.wicket.ui.pages.standalonecollection.StandaloneCollectionPage [object=[Page class = org.apache.isis.viewer.wicket.ui.pages.standalonecollection.StandaloneCollectionPage, id = 4, render count = 1]]org.apache.wicket.core.util.objects.checker.CheckingObjectOutputStream$ObjectCheckException: The object type is not Serializable!
> A problem occurred while checking object with type: java.util.Optional
> Field hierarchy is:
> 4 [class=org.apache.isis.viewer.wicket.ui.pages.standalonecollection.StandaloneCollectionPage, path=4]
> private java.lang.Object org.apache.wicket.MarkupContainer.children [class=java.util.ArrayList]
> private java.lang.String org.apache.isis.viewer.wicket.ui.components.widgets.favicon.Favicon.contentType[write:6][write:7][write:8] [class=org.apache.wicket.markup.html.WebMarkupContainer, path=4:theme]
> private java.lang.Object org.apache.wicket.MarkupContainer.children [class=java.util.ArrayList]
> private org.apache.isis.viewer.wicket.ui.ComponentType org.apache.isis.viewer.wicket.ui.panels.PanelAbstract.componentType[write:12][write:13][write:20] [class=org.apache.isis.viewer.wicket.ui.components.actionprompt.ActionPromptModalWindow, path=4:theme:actionPromptModalWindow]
> private java.lang.Object org.apache.wicket.MarkupContainer.children [class=java.util.ArrayList]
> private java.lang.Object org.apache.wicket.MarkupContainer.children[write:3][write:5][write:8] [class=org.apache.isis.viewer.wicket.ui.components.actions.ActionParametersPanel, path=4:theme:actionPromptModalWindow:content]
> private java.lang.Object org.apache.wicket.MarkupContainer.children [class=java.util.ArrayList]
> java.lang.Object org.apache.wicket.Component.data[write:8][write:4][write:7] [class=org.apache.isis.viewer.wicket.ui.components.actions.ActionParametersFormPanel, path=4:theme:actionPromptModalWindow:content:parameters]
> private java.lang.Object org.apache.wicket.MarkupContainer.children [class=org.apache.isis.viewer.wicket.ui.components.actions.ActionParametersForm, path=4:theme:actionPromptModalWindow:content:parameters:inputForm]
> private java.lang.Object org.apache.wicket.MarkupContainer.children [class=java.util.ArrayList]
> private java.lang.Object org.apache.wicket.MarkupContainer.children[write:1] [class=org.apache.wicket.markup.repeater.RepeatingView, path=4:theme:actionPromptModalWindow:content:parameters:inputForm:parameters]
> private java.lang.Object org.apache.wicket.MarkupContainer.children [class=java.util.ArrayList]
> private java.lang.Object org.apache.wicket.MarkupContainer.children[write:1] [class=org.apache.wicket.markup.html.WebMarkupContainer, path=4:theme:actionPromptModalWindow:content:parameters:inputForm:parameters:1]
> private java.lang.Object org.apache.wicket.MarkupContainer.children [class=org.apache.isis.viewer.wicket.ui.components.scalars.valuechoices.ValueChoicesSelect2Panel, path=4:theme:actionPromptModalWindow:content:parameters:inputForm:parameters:1:scalarNameAndValue]
> java.lang.Object org.apache.wicket.Component.data [class=[Ljava.lang.Object;]
> java.lang.Object org.apache.wicket.Component.data[0] [class=org.apache.isis.viewer.wicket.model.models.ScalarParameterModel]
> private org.apache.isis.viewer.wicket.model.models.InlinePromptContext org.apache.isis.viewer.wicket.model.models.ScalarModel.inlinePromptContext [class=org.apache.isis.viewer.wicket.model.models.InlinePromptContext]
> private final org.apache.wicket.Component org.apache.isis.viewer.wicket.model.models.InlinePromptContext.scalarIfRegular [class=org.apache.isis.viewer.wicket.ui.components.widgets.bootstrap.FormGroup, path=4:theme:actionPromptModalWindow:content:parameters:inputForm:parameters:1:scalarNameAndValue:scalarTypeContainer:scalarIfRegular]
> private java.lang.Object org.apache.wicket.MarkupContainer.children [class=java.util.ArrayList]
> private java.lang.Object org.apache.wicket.MarkupContainer.children[write:1] [class=org.apache.isis.viewer.wicket.ui.components.widgets.select2.Select2ChoiceExt, path=4:theme:actionPromptModalWindow:content:parameters:inputForm:parameters:1:scalarNameAndValue:scalarTypeContainer:scalarIfRegular:scalarValue]
> private org.wicketstuff.select2.ChoiceProvider org.wicketstuff.select2.AbstractSelect2Choice.provider [class=org.apache.isis.viewer.wicket.ui.components.widgets.select2.providers.ObjectAdapterMementoProviderForValueChoices]
> private final org.apache.isis.core.commons.collections.Can org.apache.isis.viewer.wicket.ui.components.widgets.select2.providers.ObjectAdapterMementoProviderForValueChoices.choiceMementos [class=org.apache.isis.core.commons.collections.Can_Singleton]
> private final java.util.concurrent.atomic.AtomicReference org.apache.isis.core.commons.collections.Can_Singleton.singleton [class=java.util.concurrent.atomic.AtomicReference]
> private volatile java.lang.Object java.util.concurrent.atomic.AtomicReference.value [class=java.util.Optional] <----- field that is causing the problem
> {code}
>
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