ORA-12541:TNS:无监听程序

修改listener.ora的内容

LISTENER =
  (DESCRIPTION_LIST =
    (DESCRIPTION =
      (ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC1))
      (ADDRESS = (PROTOCOL = TCP)(HOST = E386M9S1IS1VZHO)(PORT = 1521))
    )
  )

将HOST修改成相应的ip地址或者是你电脑的名字