By default, when ICEfaces is available, FacesMessages are persisted across different partial submits from the same page. This is done to better support forms that use incremental validation via singleSubmit tag.
By setting the org.icefaces.messagePersistence parameter to false, this feature can be disabled.
This feature can also be controlled on a per-page basis using the <ice:config> tag and setting the desired attribute.
See the documentation on the <ice:config> tag for additional information.
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