Never come across minOccurs and maxOccurs attributes by chance having a definition in the namespace of prefix tns whatever it is - unless you tell us how they are defined. If they are attached to xs namespace, their occurrence in that position of xs:element is erroneous.
Most likely, you simply mean this.
Then you want a list of some kind.
Joined: Aug 05, 2011
thanks, g tsuji... it worked.
subject: what is the XML Schema declaration for java.util.List