it's not a German-Polish problem but a German-27 EU countries problem
Germany created the crisis with no consultation with any other country.
Germany has never been against Poland
Whis is why it opened its labor markets to Poles.... oh wait! IT CLOSED THEM FOR SEVEN YEARS! And it firmly rejected any possibility of opening up sooner than it was forced to. That's worth remembering.
Again, assume 10,000 "refugees" are sent to Poland. How many will be left after a month? How do you propose to keep them in Poland? How do you propose to stop them from going to Germany and pretending to be a new arrival by respelling their name a little?