yocto编译提示异常：ERROR: Error parsing configuration files

问题描述：

在ubuntu上编译yocto，当输入bitbake core-image-minimal命令时出现异常，如下：

test@simon-VirtualBox:/home/simon/yocto/poky/build$ bitbake core-image-minimal

ERROR: Error parsing configuration files Traceback (most recent call last):   File "/home/simon/yocto/poky/bitbake/lib/bb/cookerdata.py", line 268, in CookerDataBuilder.parseBaseConfiguration():                  if self.data.getVar("BB_WORKERCONTEXT", False) is None:     >                bb.fetch.fetcher_init(self.data)                  bb.codeparser.parser_cache_init(self.data)   File "/home/simon/yocto/poky/bitbake/lib/bb/fetch2/__init__.py", line 504, in fetcher_init(d=<bb.data_smart.DataSmart object at 0x7f19967ebc18>):                  pass     >        revs.clear()          else:   File "/home/simon/yocto/poky/bitbake/lib/bb/persist_data.py", line 147, in SQLTable.clear():          def clear(self):     >        self._execute("DELETE FROM %s;" % self.table)         File "/home/simon/yocto/poky/bitbake/lib/bb/persist_data.py", line 66, in SQLTable._execute(*query=('DELETE FROM BB_URI_HEADREVS;',)):                  try:     >                return self.cursor.execute(*query)                  except sqlite3.OperationalError as exc: sqlite3.OperationalError: attempt to write a readonly database

解决方案：

输入命令

$  sudo chmod -R 777 /home/simon/yocto/poky/

问题解决