我写过HttpUrlConnection包装器。它支持文件上传,所以我使用HttpUrlConnection.setChunkedStreamingMode()来防止OutOfMemoryException。
但是在将所有数据写入OutputStream后,我得到了IOException。没有这种方法,一切正常。
这里是代码:
HttpURLConnection connection = getConnection();
if(!isSent) {
OutputStream output;
if(!files.isEmpty()) {
connection.setRequestProperty(HEADER_CONTENT_TYPE, CONTENT_TYPE_MULTIPART);
// Tried to add this line, but still not working
connection.setRequestProperty("Transfer-Encoding","chunked");
connection.setChunkedStreamingMode(chunkSize);
output = new BufferedOutputStream(connection.getOutputStream());
writeParamsMultipart(output);
writeFilesMultipart(output);
output.write((PREFIX + BOUNDARY + PREFIX + LINEND).getBytes());
} else {
connection.setRequestProperty(HEADER_CONTENT_TYPE, CONTENT_TYPE_FORM);
output = new BufferedOutputStream(connection.getOutputStream());
output.write(paramsToUrlencoded(post).getBytes());
}
output.flush();
output.close();
isSent = true;
}
// Getting exception on this line
InputStream input = new BufferedInputStream(connection.getInputStream());
if(ENCODING_GZIP.equalsIgnoreCase(connection.getHeaderField(HEADER_CONTENT_ENCODING))) {
input = new GZIPInputStream(input);
}
return input;
chunkSize默认为1024字节。有什么问题?
答案 0 :(得分:-2)
它是
FileNotFoundException
这意味着网址不正确。它相当于HTTP 403。
与分块传输模式无关。