[jira] [Assigned] (WICKET-5904) NPE after editing a markup file in debug mode

["Andrea Del Bene (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/WICKET-5904?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Andrea Del Bene reassigned WICKET-5904:
---------------------------------------

    Assignee: Andrea Del Bene

> NPE after editing a markup file in debug mode
> ---------------------------------------------
>
>                 Key: WICKET-5904
>                 URL: https://issues.apache.org/jira/browse/WICKET-5904
>             Project: Wicket
>          Issue Type: Bug
>          Components: wicket
>    Affects Versions: 7.0.0-M5
>            Reporter: Guillaume Smet
>            Assignee: Andrea Del Bene
>
> Hi,
> I have a weird behavior with 7.0.0-SNAPSHOT: if I update the markup in Eclipse debug mode (just add a class in a class attribute for instance, nothing fancy), I get the following exception when I reload the page without removing the ?version parameter:
> java.lang.IllegalArgumentException: Argument 'markup' may not be null.
>      at org.apache.wicket.util.lang.Args.notNull(Args.java:41)
>      at org.apache.wicket.markup.MarkupStream.<init>(MarkupStream.java:65)
>      at org.apache.wicket.markup.html.internal.Enclosure.getChild(Enclosure.java:133)
>      at org.apache.wicket.markup.html.internal.Enclosure.onConfigure(Enclosure.java:148)
>      at org.apache.wicket.Component.configure(Component.java:1055)
>      at org.apache.wicket.Component.internalBeforeRender(Component.java:940)
>      at org.apache.wicket.Component.beforeRender(Component.java:1017)
>      at org.apache.wicket.MarkupContainer.onBeforeRenderChildren(MarkupContainer.java:1712)
>      at org.apache.wicket.Component.onBeforeRender(Component.java:3876)
>      at org.apache.wicket.Component.internalBeforeRender(Component.java:949)
>      at org.apache.wicket.Component.beforeRender(Component.java:1017)
>      at org.apache.wicket.MarkupContainer.onBeforeRenderChildren(MarkupContainer.java:1712)
>      at org.apache.wicket.Component.onBeforeRender(Component.java:3876)
>      at org.apache.wicket.Page.onBeforeRender(Page.java:801)
>      at org.apache.wicket.Component.internalBeforeRender(Component.java:949)
>      at org.apache.wicket.Component.beforeRender(Component.java:1017)
>      at org.apache.wicket.Component.internalPrepareForRender(Component.java:2214)
>      at org.apache.wicket.Page.internalPrepareForRender(Page.java:242)
> I can reproduce it every time.
> If the issue isn't obvious, I can try to extract a quick start.



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