[jbossseam-issues] [JBoss JIRA] Created: (JBSEAM-1582) DataModel with <s:link> or <s:button> Error

[Evan Zeng (JIRA)]

DataModel with <s:link> or <s:button> Error
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                 Key: JBSEAM-1582
                 URL: http://jira.jboss.com/jira/browse/JBSEAM-1582
             Project: JBoss Seam
          Issue Type: Bug
          Components: Core
         Environment: All seam versions
            Reporter: Evan Zeng
            Priority: Critical


If a page references a property of the back bean, then using <s:link> or <s:button> action to delete the last row of data backed by a DataModel will cause an exception with the following root cause:

java.lang.IllegalArgumentException
	javax.faces.model.ListDataModel.getRowData(ListDataModel.java:139)
......

This bug recurs when we make the following modifications to the 'messages' seam example :

1. Add a property 'title' to the MessageManager bean.
2. In messages.jsp, change the header 'Message List' to '<h:outputText value="#{messageManager.title}"/>'


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