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

[Guillaume Smet (JIRA)]

Guillaume Smet created WICKET-5904:
--------------------------------------

             Summary: 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


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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