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python - 任何人都可以逐步解释以下堆栈跟踪吗?

转载 作者:太空宇宙 更新时间:2023-11-04 10:17:46 24 4
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任何人都可以逐步解释以下堆栈跟踪吗?我想找出错误的根本原因是什么以及错误的来源。

追溯(最近的调用最后):

1.   File "C:\Program Files (x86)\Microsoft Visual Studio 10.0\Common7\IDE\Extensio ns\Microsoft\Python Tools for Visual Studio\2.1\visualstudio_py_util.py", line 1 06, in exec_file
exec_code(code, file, global_variables)

2. File "C:\Program Files (x86)\Microsoft Visual Studio 10.0\Common7\IDE\Extensio ns\Microsoft\Python Tools for Visual Studio\2.1\visualstudio_py_util.py", line 8 2, in exec_code
exec(code_obj, global_variables)

3. File "C:\Users\ssr\FindAllCandidatePathsOfTrain.py", line 332, in <module>
main()

4. File "C:\Users\ssr\FindAllCandidatePathsOfTrain.py", line 296, in main
stanoxDetails = checkTheLineHasStanox(lastLineSegment)

5. File "C:\Users\ssr\FindAllCandidatePathsOfTrain.py", line 205, in checkTheLineHasStanox
firstrow= query(queryStr, 'GetOne')

6. File "C:\Users\ssr\FindAllCandidatePathsOfTrain.py", line 45, in query
connection.close()

7. File "C:\Python34\lib\site-packages\pypyodbc.py", line 2658, in close
self.rollback()

8. File "C:\Python34\lib\site-packages\pypyodbc.py", line 2581, in rollback
check_success(self, ret)

9. File "C:\Python34\lib\site-packages\pypyodbc.py", line 988, in check_success
ctrl_err(SQL_HANDLE_DBC, ODBC_obj.dbc_h, ret, ODBC_obj.ansi)

10. File "C:\Python34\lib\site-packages\pypyodbc.py", line 966, in ctrl_err
raise DatabaseError(state,err_text) pypyodbc.DatabaseError: ('08S01', '[08S01] [Microsoft][ODBC SQL Server Driver]Co mmunication
link failure')
Press any key to continue . . .

最佳答案

如前所述,回溯显示错误发生之前执行的代码行以及错误本身。在这种情况下,Python 不是错误的直接原因。

考虑:

10.      File "C:\Python34\lib\site-packages\pypyodbc.py", line 966, in ctrl_err
raise DatabaseError(state,err_text) pypyodbc.DatabaseError: ('08S01', '[08S01] [Microsoft][ODBC SQL Server Driver]Communication link failure')

这表明 Python 中的这个错误是一个“传递”错误。被调用的数据库驱动程序实际上是错误的原因,而 Python 只是通过 Python 传递它。祝你好运。

关于python - 任何人都可以逐步解释以下堆栈跟踪吗?,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/34318506/

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