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https://issues.apache.org/jira/browse/ISIS-3274?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17630803#comment-17630803
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ASF subversion and git services commented on ISIS-3274:
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Commit 7c89aca078d5acfb99d7a703c2b8b6ec17471c63 in isis's branch
refs/heads/master from Andi Huber
[ https://gitbox.apache.org/repos/asf?p=isis.git;h=7c89aca078 ]
ISIS-3274: fixes MarkupComponentFactory to be Serializable
> [Wicket Viewer] Potential NPE when switching Tabs
> -------------------------------------------------
>
> Key: ISIS-3274
> URL: https://issues.apache.org/jira/browse/ISIS-3274
> Project: Isis
> Issue Type: Bug
> Reporter: Andi Huber
> Assignee: Andi Huber
> Priority: Major
> Fix For: 2.0.0-RC1
>
>
> java.lang.NullPointerException
> Cannot invoke
> "org.apache.isis.viewer.wicket.ui.components.scalars.markup.MarkupComponentFactory.newMarkupComponent(String,
> org.apache.wicket.model.IModel)" because "this.markupComponentFactory" is
> null
> org.apache.isis.viewer.wicket.ui.components.scalars.markup.ScalarMarkupPanel#createMarkupComponent(ScalarMarkupPanel.java:59)
> org.apache.isis.viewer.wicket.ui.components.scalars.markup.ScalarMarkupPanel#createComponentForOutput(ScalarMarkupPanel.java:55)
> org.apache.isis.viewer.wicket.ui.components.scalars.ScalarFragmentFactory$FieldFrame#createComponent(ScalarFragmentFactory.java:90)
> org.apache.isis.viewer.wicket.ui.components.scalars.ScalarPanelFormFieldAbstract#createRegularFrame(ScalarPanelFormFieldAbstract.java:169)
> org.apache.isis.viewer.wicket.ui.components.scalars.ScalarPanelAbstract#buildGui(ScalarPanelAbstract.java:264)
> org.apache.isis.viewer.wicket.ui.components.scalars.ScalarPanelAbstract#onInitialize(ScalarPanelAbstract.java:235)
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