java.lang.IllegalStateException STREAMED

java.lang.IllegalStateException STREAMED

request.getInputStream()とrequest.getReader()は同時に呼び出すことはできません.そうしないとjavaが発生します.lang.IllegalStateException異常.
APIに書き込みがあります.

getInputStream

public ServletInputStream getInputStream()
throws java.io.IOException

Retrieves the body of the request as binary data using a ServletInputStream . Either this method or getReader() may be called to read the body, not both.
Returns:
a ServletInputStream object containing the body of the request
Throws: java.lang.IllegalStateException - if the getReader() method has already been called for this request java.io.IOException - if an input or output exception occurred