Loving Coding & Visual Design

Google Appengine部署常见问题


  • 部署后，出现500 Server Error，在后台查看日志：
    exceptions.SyntaxError'>: invalid syntax
    解决办法: 把Exception as foo改成Exception ， foo，因为gae用的版本还是python 2.5.2，而本地测试用的是2.6

  • 'NoneType' object has no attribute 'key'
    注意检查key是否存在

  • type 'exceptions.IndentationError' : unexpected indent
    注意每行后面不要有分号，这不是PHP

  • 本地windows调试推荐用time.clock，gae线上用time.time
    判断os.environ的SERVER_HOST 和HTTP_USER_AGENT

  • AttributeError: 'list' object has no attribute '_populate_entity'

  • NameError: global name 'downloaderror' is not defined

  • fromstring() argument 1 must be string or read-only buffer, not bool

  • ImportError: No module named google3.apphosting.runtime

  • BadValueError: Property identifier is not multi-line
    class StringProperty(verbose_name=None, multiline=False, ...)
    If multiline is False, then the value cannot include linefeed characters.



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