Seems like OutputStream in StreamingResponseBodyReturnValueHandler#StreamingResponseBodyTask is never closed. In the call() method of StreamingResponseBodyTask, shouldn't we call this.outputStream.close() after streamingBody wrote to the outputStream and outputStream is flushed?
i.e. Should the code be something like the below instead:
@Override
public Void call() throws Exception {
this.streamingBody.writeTo(this.outputStream);
this.outputStream.flush();
this.outputStream.close();
return null;
}
Comment From: simonbasle
This outputstream is obtained from the ServletReponse and ultimately the container's jakarta.servlet.http.HttpServletResponse#getOutputStream() (a ServletOutputStream).
Generally speaking the container can be held responsible of closing that particular OutputStream, so this shouldn't be an issue.
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(marking as for: stackoverflow&status: invalid as a result)