One of the reasons Israel and Jordan continue to enjoy a good relationship is because when terrorists in Jordan plot against Israel or act against Israel, Jordan acts. Israel knows that Jordan cannot stop all attacks (like the Eilat border crossing one) but that Jordan will work to capture those involved. There can never be peace as long as the PA is unwilling to stop attacks and prosecute those who participate in them. Of course, what does one expect when both the de jure government of Fatah and Gaza' de facto government of Hamas are nothing more than terrorist groups which are both still acting against Israel.
Firebomb thrown during demonstration in northern Israeli town of Umm al Fahm (Haaretz)
from the article: Some assassination plot