&& managers.getManagerOtherConfigs() != null) {
managers.getManagerOtherConfigs().stream()
.filter(otherConfig -> otherConfig.getKey().getOtherConfigKey().contains(HwvtepHAUtil.HA_CHILDREN))
- .flatMap(otherConfig -> Arrays.asList(otherConfig.getOtherConfigValue().split(",")).stream())
+ .flatMap(otherConfig -> Arrays.stream(otherConfig.getOtherConfigValue().split(",")))
.map(HwvtepHAUtil::convertToInstanceIdentifier)
.forEach(childIid -> HwvtepHACache.getInstance().addChild(parent, childIid));
}