Your xpath is incorrect. You are trying to hit an absolute path with html/body/div[1]/div/div/div[2]/div[2]/div[2]/a. You are missing a / so instead it should be /html/body/div[1]/div/div/div[2]/div[2]/div[2]/a
try:
driver.findElement(By.xpath("/html/body/div[1]/div/div/div[2]/div[2]/div[2]/a")).click();