When you summon an ender pearl in a nether portal, it crashes games and servers. Same with a spawn egg with an ender pearl as the EntityTag.
MC-179777
Game crash with ender pearl
Resolved
Awaiting Response
0
Incomplete without a crash report from (minecraft/crash-reports/crash-<DATE>-client.txt). Please attach it to this ticket so that we can diagnose your issue.
Also please provide exact reproduction steps.