Uploaded image for project: 'Tapestry 5'
  1. Tapestry 5
  2. TAP5-636

Using Element.forceAttribute() with a null value can cause a later NPE during rendering under some circumstances

    Details

    • Type: Bug
    • Status: Closed
    • Priority: Major
    • Resolution: Fixed
    • Affects Version/s: 5.1.0.3
    • Fix Version/s: 5.1.0.3
    • Component/s: tapestry-core
    • Labels:
      None

      Description

      An unexpected application exception has occurred.

      • java.lang.NullPointerException
      • org.apache.tapestry5.dom.AbstractMarkupModel.encodeQuoted(AbstractMarkupModel.java:94)
      • org.apache.tapestry5.dom.Attribute.render(Attribute.java:69)
      • org.apache.tapestry5.dom.Element.toMarkup(Element.java:313)
      • org.apache.tapestry5.dom.Element.writeChildMarkup(Element.java:835)
      • org.apache.tapestry5.dom.Element.toMarkup(Element.java:351)
      • org.apache.tapestry5.dom.Element.writeChildMarkup(Element.java:835)
      • org.apache.tapestry5.dom.Element.toMarkup(Element.java:351)
      • org.apache.tapestry5.dom.Element.writeChildMarkup(Element.java:835)
      • org.apache.tapestry5.dom.Element.toMarkup(Element.java:351)
      • org.apache.tapestry5.dom.Element.writeChildMarkup(Element.java:835)
      • org.apache.tapestry5.dom.Element.toMarkup(Element.java:351)
      • org.apache.tapestry5.dom.Element.writeChildMarkup(Element.java:835)
      • org.apache.tapestry5.dom.Element.toMarkup(Element.java:351)
      • org.apache.tapestry5.dom.Element.writeChildMarkup(Element.java:835)
      • org.apache.tapestry5.dom.Element.toMarkup(Element.java:351)
      • org.apache.tapestry5.dom.Element.writeChildMarkup(Element.java:835)
      • org.apache.tapestry5.dom.Element.toMarkup(Element.java:351)
      • org.apache.tapestry5.dom.Element.writeChildMarkup(Element.java:835)
      • org.apache.tapestry5.dom.Element.toMarkup(Element.java:351)
      • org.apache.tapestry5.dom.Element.writeChildMarkup(Element.java:835)
      • org.apache.tapestry5.dom.Element.toMarkup(Element.java:351)
      • org.apache.tapestry5.dom.Element.writeChildMarkup(Element.java:835)
      • org.apache.tapestry5.dom.Element.toMarkup(Element.java:351)
      • org.apache.tapestry5.dom.Element.writeChildMarkup(Element.java:835)
      • org.apache.tapestry5.dom.Element.toMarkup(Element.java:351)
      • org.apache.tapestry5.dom.Element.writeChildMarkup(Element.java:835)
      • org.apache.tapestry5.dom.Element.toMarkup(Element.java:351)
      • org.apache.tapestry5.dom.Element.writeChildMarkup(Element.java:835)
      • org.apache.tapestry5.dom.Element.toMarkup(Element.java:351)
      • org.apache.tapestry5.dom.Document.toMarkup(Document.java:163)
      • org.apache.tapestry5.dom.Node.toMarkup(Node.java:80)
      • org.apache.tapestry5.internal.services.MarkupWriterImpl.toMarkup(MarkupWriterImpl.java:57)
      • org.apache.tapestry5.internal.services.PageResponseRendererImpl.renderPageResponse(PageResponseRendererImpl.java:67)
      • $PageResponseRenderer_12085541484.renderPageResponse($PageResponseRenderer_12085541484.java)

      The real question is: how can the value ever be null? Adding an attribute that's null, or overriding an attribute to null, should remove it from the list.

        Activity

        There are no comments yet on this issue.

          People

          • Assignee:
            hlship Howard M. Lewis Ship
            Reporter:
            hlship Howard M. Lewis Ship
          • Votes:
            0 Vote for this issue
            Watchers:
            0 Start watching this issue

            Dates

            • Created:
              Updated:
              Resolved:

              Development