/** {@inheritDoc} */
@Override
public void readExternal(ObjectInput in) throws IOException, ClassNotFoundException {
super.readExternal(in);
failedNodesIds = U.readList(in);
}
/** {@inheritDoc} */
@Override
public void writeExternal(ObjectOutput out) throws IOException {
super.writeExternal(out);
U.writeCollection(out, failedNodesIds);
}