NullPointerException on submitting empty instance

Adrian,

I tried to add an <xforms:bind nodeset="/*" relevant="false()"/> to an
existing document I had, and didn't see the problem. Would you have a
use case that we can run the XForms sandbox?

Alex

On 5/3/06, Adrian Baker [hidden email] wrote:

I accidentally made the top level node of my instance non-relevant, and
then submitted this which gave me a NullPointerException:

2006-05-04 10:31:57,731 DEBUG
org.orbeon.oxf.xforms.processor.XFormsServer  - XForms - submit error
exception: java.lang.NullPointerException
    at
org.orbeon.oxf.xforms.XFormsUtils.iterateInstanceData(XFormsUtils.java:278)
    at
org.orbeon.oxf.xforms.XFormsUtils.iterateInstanceData(XFormsUtils.java:273)
    at org.orbeon.oxf.xforms.XFormsModel.doRevalidate(XFormsModel.java:940)
    at
org.orbeon.oxf.xforms.XFormsModel.performDefaultAction(XFormsModel.java:827)
    at
org.orbeon.oxf.xforms.XFormsContainingDocument.dispatchEvent(XFormsContainingDocument.java:615)
    at
org.orbeon.oxf.xforms.XFormsModelSubmission.performDefaultAction(XFormsModelSubmission.java:215)
    at
org.orbeon.oxf.xforms.XFormsContainingDocument.dispatchEvent(XFormsContainingDocument.java:615)

So this is been thrown from
final List childrenElements = element.elements();

because instance.getRootElement() is null.

I'm not sure what the spec-compliant behaviour is, but a quick
improvement would be to throw a more specific exception from doRevalidate.

Adrian






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