During last few days we're experiencing some delay in website stmp provider channel.
Some notification email from the website might not reaching containers.
We're working on a definitive solution.
1. Global.tmp_path + "/temp.dat" only can be used in 1 document object, the second document shall failed.
2. to be sure Constant.currentpage has exist in all PDF file.
3. to be sure (200, 200, 200 + bmp.width, 200 + bmp.height) are all at page area.