/summon and /entitydata equipment doesnt work

When i try to spawn zombie with
/summon Zombie ~ ~1 ~ {CustomName:"Orc",CustomNameVisible:1,Equipment:[{id:stone_sword,Count:1,tag:{AttributeModifiers:[{AttributeName:"generic.attackDamage",Name:"generic.attackDamage",Amount:6,Operation:0,UUIDLeast:894654,UUIDMost:2872}],Unbreakable:1,display:{Name:Orc Sword}}},{id:leather_boots,Count:1,tag:{Unbreakable:1,display:}},{id:leather_leggings,Count:1,tag:{Unbreakable:1,display:}},{id:leather_chestplate,Count:1,tag:{Unbreakable:1,display:{Name:Orc Tunic,color:3881787}}},{id:leather_helmet,Count:1,tag:{Unbreakable:1,display:{Name:Orc Hat,color:3881787}}}],DropChances:[2.0F,2.0F,2.0F,2.0F,2.0F],Team:"Mordor"} it spawn zombie with Name and Team right but it doesnt have any equipment and if i spawn Zombie with an spawn egg and then use /entitydata @e[type=Zombie] {CustomName:"Orc",CustomNameVisible:1,Equipment:[{id:stone_sword,Count:1,tag:{AttributeModifiers:[{AttributeName:"generic.attackDamage",Name:"generic.attackDamage",Amount:6,Operation:0,UUIDLeast:894654,UUIDMost:2872}],Unbreakable:1,display:{Name:Orc Sword}}},{id:leather_boots,Count:1,tag:{Unbreakable:1,display:}},{id:leather_leggings,Count:1,tag:{Unbreakable:1,display:}},{id:leather_chestplate,Count:1,tag:{Unbreakable:1,display:{Name:Orc Tunic,color:3881787}}},{id:leather_helmet,Count:1,tag:{Unbreakable:1,display:{Name:Orc Hat,color:3881787}}}],DropChances:[2.0F,2.0F,2.0F,2.0F,2.0F],Team:"Mordor"} the output is entity cannot be found.