“Component ID <componentId> has already been found in the view” exception when using rich:dataTable with JSF 2.1.13 on EAP 6.0.1. --------------------------------------------------------------------------------------------------------------------------------- Key: RF-12717 URL: https://issues.jboss.org/browse/RF-12717 Project: RichFaces Issue Type: Bug Security Level: Public(Everyone can see) Components: component-tables Affects Versions: 4.2.3.Final Reporter: Ilia Vassilev Assignee: Juraj Húska Attachments: sample.rar This is a problem with <richataTable>. The component id for each row is reused. If you change the markup to use an ordinary <h:dataTable> and <h:column> then it works correctly.