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https://issues.apache.org/jira/browse/HTTPCLIENT-1170?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13219194#comment-13219194
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Aniceto Pérez y Madrid commented on HTTPCLIENT-1170:
----------------------------------------------------
Oleg
I've put log messages in the server and the number of bytes written to the
outputstream is correct. The problem is that for some reason thery are no fully
sent.
Thanks
> Incomplete data received from servlet
> -------------------------------------
>
> Key: HTTPCLIENT-1170
> URL: https://issues.apache.org/jira/browse/HTTPCLIENT-1170
> Project: HttpComponents HttpClient
> Issue Type: Bug
> Components: HttpClient
> Affects Versions: 4.1.3
> Environment: java 1.7.0_0, Windows 7 x 64, Apache 7.0.22, connections
> are made throug http://localhost
> Reporter: Aniceto Pérez y Madrid
> Priority: Blocker
>
> Hi
> I have this servlet that generates on the fly a binary response by
> serializing an object. buf size is about 30 KB. I've been using this code to
> serve files for a long time. If I access that servlet using any web browser,
> the received file is OK.
> byte[] buf = respObject.stringBinSerialize();
> response.setContentLength(buf.length);
> response.setContentType("binary/octet-stream");
> response.setStatus(HttpServletResponse.SC_OK);
> OutputStream out = response.getOutputStream();
> out.write(buf);
> out.flush();
> Now I have this client code and it doesn't receive the full response.
> byte[] completo = new byte[0], temporal;
> byte[] cbuf = new byte[4096];
> int cuenta = 0, esta = 0;
> HttpParams params = new SyncBasicHttpParams();
> HttpConnectionParams.setSocketBufferSize(params, 64000);
> HttpProtocolParams.setVersion(params, HttpVersion.HTTP_1_1);
> HttpClient httpclient = new DefaultHttpClient(params);
> try {
> HttpPost httpost = new HttpPost(targetURLinclServletName);
> HttpGet httpget = new
> HttpGet("http://localhost:8080/myservlet";);
> HttpResponse response = httpclient.execute(httpget);
> HttpEntity entity = response.getEntity();
> if (entity != null) {
> System.out.println("ent sz " +
> entity.getContentLength() + " chk " + entity.isChunked() + " is rept " +
> entity.isRepeatable() + " str " + entity.isStreaming());
> // completo = EntityUtils.toByteArray(entity);
> System.out.println("bytearrayed " + completo.length);
> InputStream instream = entity.getContent();
> while (completo.length != entity.getContentLength()
> && (esta = instream.read(cbuf)) != -1) {
> if (selector.equals(RPCdefs.SELECTOR_PROYLIST) ||
> true) {
> cuenta += esta;
> System.out.println("readline" + esta + " van
> " + cuenta);
> System.out.println("sz " +
> entity.getContentLength());
> }
> temporal = new byte[completo.length + esta];
> System.arraycopy(completo, 0, temporal, 0,
> completo.length);
> System.arraycopy(cbuf, 0, temporal,
> completo.length, esta);
> completo = temporal;
> temporal = null;
> }
> }
> EntityUtils.consume(entity);
> } finally {
> httpclient.getConnectionManager().shutdown();
> }
> The simplest way to receive is EntityUtils.toByteArray(entity), but it gets
> hung. The loop for partial copy is to know how may bytes are received. They
> are about 17845. The initial params were added to check if the issue was
> related to flow control, but with 64 KB buffers it doesn't changes anything.
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