UIDataAdaptor vs. UIData visitTee small difference -------------------------------------------------- Key: RF-10154 URL: https://issues.jboss.org/browse/RF-10154 Project: RichFaces Issue Type: Bug Security Level: Public(Everyone can see) Components: component-tables Affects Versions: 4.0.0.Milestone5 Environment: RichFaces 4.0.X trunk, svn rev. 20913 Reporter: Martin Kočí Assignee: Brian Leathem Priority: Minor Labels: jsf21 Fix For: 4.3.0.M3 Original Estimate: 1 minute Remaining Estimate: 1 minute {code} <r:extendedDataTable var="zeile"> <r:column> <h:outputText rendered="#{fasole.method(zeile)}" </r:column> </r:extendedDataTable> {code} + org.richfaces.component.UIDataAdaptor.visitTree(VisitContext, VisitCallback) with VisitHint SKIP_UNRENDERED (in render response phase for example) Problem: org.richfaces.component.UIDataAdaptor.visitDataChildren(VisitContext, VisitCallback, boolean) calls visitComponents(getFacetsAndChildren(), visitContext, callback);-> it will visit h:outputText component and test if is rendered -> #{fasole.method(zeile)} but no row available -> calls fasole.method with null parameter and causes an unexpected NPE j.f.c.UIData does not visit column chidren for -1 rowIndex (null rowKey in RichFaces), UIData.visitTree JavaDoc says: "Take no action on non-UIColumn children".