The NPE happens with #getAssociatedMarkup() and at this point the MarkupContainer is a Form Replacing it with #getMarkup() returned the page's markup, i.e. all html, and its markupstream had 'null' doctype.
I'll investigate further but you can also take a look at the application. It is in wicketstuff's SVN repo (link below). On Wed, Dec 8, 2010 at 5:41 PM, Juergen Donnerstag < juergen.donners...@gmail.com> wrote: > Interesting. I thought I had a testcase with exactly that DOCTYPE. In > any case it returns the DOCTYPE of the page only, irrespective of > Panel or Border etc. > getMarkup() returning null means no markup found which would explain > the NPE as well. You are sure about your source code and markup? > > Juergen > > > On Wed, Dec 8, 2010 at 5:27 PM, Martin Grigorov > <martin.grigo...@gmail.com> wrote: > > Hi Juergen, > > > > I just tried to use MarkupUtil.isMarkupHtml5Compliant() for the new HTML5 > > input types and it failed with: > > > > Caused by: java.lang.NullPointerException > > at > org.apache.wicket.markup.html.MarkupUtil$1.component(MarkupUtil.java:56) > > at > org.apache.wicket.markup.html.MarkupUtil$1.component(MarkupUtil.java:1) > > at org.apache.wicket.util.visit.Visits.visitChildren(Visits.java:142) > > at org.apache.wicket.util.visit.Visits.visitChildren(Visits.java:118) > > at > org.apache.wicket.MarkupContainer.visitChildren(MarkupContainer.java:919) > > at > > > org.apache.wicket.markup.html.MarkupUtil.isMarkupHtml5Compliant(MarkupUtil.java:52) > > at > > > org.wicketstuff.html5.markup.html.form.NumberField.onInitialize(NumberField.java:38) > > at org.apache.wicket.Component.fireInitialize(Component.java:989) > > at org.apache.wicket.MarkupContainer.initialize(MarkupContainer.java:992) > > at > > > org.apache.wicket.MarkupContainer.addedComponent(MarkupContainer.java:972) > > at org.apache.wicket.MarkupContainer.add(MarkupContainer.java:162) > > at > > > org.wicketstuff.html5.markup.html.form.NumberFieldDemo.<init>(NumberFieldDemo.java:19) > > > > > > So I changed MarkupUtil line 56: > > MarkupResourceStream rs = > > comp.getAssociatedMarkup().getMarkupResourceStream(); > > with > > MarkupResourceStream rs = comp.getMarkup().getMarkupResourceStream(); > > > > and now there is no NPE but it returns "null" for doctype. > > > > The page HTML looks like: > > > > http://pastie.org/1359239 > > > > The code is at > > > https://wicket-stuff.svn.sourceforge.net/svnroot/wicket-stuff/trunk/wicketstuff-core/jdk-1.6-parent/wicket-html5-parent > > see NumberFieldDemo in examples and NumberField in impl project. > > > > martin-g > > >
