ArrayIndexOutOfBoundsException is PowerMgmtImpl

setPower method in PowerMgmtImpl class in OLM module throws ArrayIndexOutOfBoundsException
where
String srgId = input.getNodes().get(i + 1).getSrcTp();

String nextNodeId = input.getNodes().get(i + 1).getNodeId();

when

NodeType equals to Xpdr then destTpId eqauls to "network" then mappingObject exists

then TxPowerRangeMap isn't empty 

mostly happens at last item of list of nodes