Jesus said that the Kingdom of Heaven is at hand, these signs indicate the end is near, and that this generation shall not pass before all of what he prophesied in the olivet discourse had happened.
So was Jesus a failed apocalyptic prophet? That's what Matthew Hartke and Andrew Perriman discuss on podcast Unbelievable.
They both agree that the preterist interpretation of the Olivet Discourse is superior to the futurist one, but for Matthke Harke it's not good enough.