Android Development BufferedWriter write error How to do?

============ Problem Description ============

BufferedWriter dos = new BufferedWriter (New OutputStreamWriter (P.getoutputstream ()));
Dos.write (CMD);
It was compiled, right?
Runtime, Dos.write (CMD); here's an error, what should I do?
Hint Java.io.SyncFailedException:fsync failed:enival (invaild argument)

============ Solution 1============

Reference 4 Floor q869117276 's reply:

Quote: Referring to the reply of the 3 floor sagittarius1988:

It seems like you've sent a similar post before,
This is not a hint invaild argument invalid parameter?

Yes, but it didn't work out.
This question does not know which is wrong ...

It's a problem with your shell statement.

Android Development BufferedWriter write error How to do?