[jbossseam-issues] [JBoss JIRA] Created: (JBSEAM-890) UISelectItems leaks memory/state

[Guy Veraghtert (JIRA)]

UISelectItems leaks memory/state
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                 Key: JBSEAM-890
                 URL: http://jira.jboss.com/jira/browse/JBSEAM-890
             Project: JBoss Seam
          Issue Type: Bug
          Components: JSF
    Affects Versions: 1.1.7.GA
            Reporter: Guy Veraghtert


When you use UISelectItems with a no selection label, a ConverterChain is set as the converter of the component. As the converter is part of the component state, upon a postback that converchain will be restored. However, when addNoSelectionLabel() is called in UISelectItems (this method is called indirectly when getValue() is called), a new ConverterChain instance is created and set as the converter of the component, the original converter of that component (which was already a converterchain) will be added to the new ConverterChain. As a result, NoSelectionConverter will be added to the chain more than once, and worse: memory leaks/state grows and grows when multiple postbacks are made to the same page (as the chain grows and grows).

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