Button mapping attirbute className not support [list]

Caused by: com.vtradex.thorn.server.exception.ConfigException: Button mapping attirbute className not support [list]
	at com.vtradex.thorn.server.action.DealParamAction.getMappingValue(DealParamAction.java:502)
	at com.vtradex.thorn.server.action.DealParamAction.convertMappingValue(DealParamAction.java:486)
	at com.vtradex.thorn.server.action.DealParamAction.execute(DealParamAction.java:73)
	... 28 more

処理:multiMapping値をtrueに設定
 
 

<tableCommit id="bcWeekInit" title="bcWeekInit" process="bcWeekProcess.checkWeekPlanMerge" enableType="multi" multiMapping="true" download="false" closeTransactional="true" confirmMessage="confirm">
                <enableExpression><![CDATA[lot.status={'OPEN'}]]></enableExpression>
                <mappings>
                    <mapping id="objs" className="list">
                        <entries/>
                    </mapping>
                </mappings>
                <actions>
                    <action managerName="noTransactionManager" methodName="bcWeekInit" parameter="objs"/>
                </actions>
                <forwards/>
            </tableCommit>

 -----mappingConfig.xml
 

	<element pageId="maintainBcWeekLotsPage" buttonId="bcWeekInit">
		<mapping id="objs" className="list" />
	</element>