cause mère
java.lang.IndexOutOfBoundsException: Index: 2, Size: 0
at java.util.ArrayList.RangeCheck(ArrayList.java:508)
at java.util.ArrayList.get(ArrayList.java:320)
at org.apache.commons.beanutils.PropertyUtils.getIndexedProperty(PropertyUtils.java:468)
at org.apache.commons.beanutils.PropertyUtils.getIndexedProperty(PropertyUtils.java:375)
at org.apache.commons.beanutils.PropertyUtils.getNestedProperty(PropertyUtils.java:709)
at org.apache.commons.beanutils.PropertyUtils.getProperty(PropertyUtils.java:741)
at org.apache.commons.beanutils.BeanUtils.setProperty(BeanUtils.java:560)
at org.apache.commons.beanutils.BeanUtils.populate(BeanUtils.java:504)
at org.apache.struts.util.RequestUtils.populate(RequestUtils.java:966)
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