No D.Gray-Man from JUMP issues #40-44. According to GGpX, who got it somewhere else, they're extending Hitomi no Catoblepas to replace DGM, which is going on break because of "health reasons". Regardless of WHY, because that's not important, that's four weeks, which means a month of no DGM.
Currently, I think we're on volume 38. You know what that means - we get next week's chapter, and that's it.