Examples with ServletException javax.servlet.ServletException used on opensource projects

Example 11 with ServletException

use of javax.servlet.ServletException in project jetty.project by eclipse.

the class AsyncMiddleManServletTest method testLargeChunkedBufferedDownstreamTransformation.

private void testLargeChunkedBufferedDownstreamTransformation(final boolean gzipped) throws Exception {
    // Tests the race between a incomplete write performed from ProxyResponseListener.onSuccess()
    // and ProxyResponseListener.onComplete() being called before the write has completed.
    startServer(new HttpServlet() {

        @Override
        protected void service(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
            OutputStream output = response.getOutputStream();
            if (gzipped) {
                output = new GZIPOutputStream(output);
                response.setHeader(HttpHeader.CONTENT_ENCODING.asString(), "gzip");
            }
            Random random = new Random();
            byte[] chunk = new byte[1024 * 1024];
            for (int i = 0; i < 16; ++i) {
                random.nextBytes(chunk);
                output.write(chunk);
                output.flush();
            }
        }
    });
    startProxy(new AsyncMiddleManServlet() {

        @Override
        protected ContentTransformer newServerResponseContentTransformer(HttpServletRequest clientRequest, HttpServletResponse proxyResponse, Response serverResponse) {
            ContentTransformer transformer = new BufferingContentTransformer();
            if (gzipped)
                transformer = new GZIPContentTransformer(transformer);
            return transformer;
        }
    });
    startClient();
    final CountDownLatch latch = new CountDownLatch(1);
    client.newRequest("localhost", serverConnector.getLocalPort()).onResponseContent(new Response.ContentListener() {

        @Override
        public void onContent(Response response, ByteBuffer content) {
            // Slow down the reader so that the
            // write from the proxy gets congested.
            sleep(1);
        }
    }).send(new Response.CompleteListener() {

        @Override
        public void onComplete(Result result) {
            Assert.assertTrue(result.isSucceeded());
            Assert.assertEquals(200, result.getResponse().getStatus());
            latch.countDown();
        }
    });
    Assert.assertTrue(latch.await(15, TimeUnit.SECONDS));
}

Example 12 with ServletException

use of javax.servlet.ServletException in project jetty.project by eclipse.

the class AsyncMiddleManServletTest method testDiscardUpstreamAndDownstreamKnownContentLengthGzipped.

@Test
public void testDiscardUpstreamAndDownstreamKnownContentLengthGzipped() throws Exception {
    final byte[] bytes = "ABCDEFGHIJKLMNOPQRSTUVWXYZ".getBytes(StandardCharsets.UTF_8);
    startServer(new HttpServlet() {

        @Override
        protected void service(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
            // decode input stream thru gzip
            ByteArrayOutputStream bos = new ByteArrayOutputStream();
            IO.copy(new GZIPInputStream(request.getInputStream()), bos);
            // ensure decompressed is 0 length
            Assert.assertEquals(0, bos.toByteArray().length);
            response.setHeader(HttpHeader.CONTENT_ENCODING.asString(), "gzip");
            response.getOutputStream().write(gzip(bytes));
        }
    });
    startProxy(new AsyncMiddleManServlet() {

        @Override
        protected ContentTransformer newClientRequestContentTransformer(HttpServletRequest clientRequest, Request proxyRequest) {
            return new GZIPContentTransformer(new DiscardContentTransformer());
        }

        @Override
        protected ContentTransformer newServerResponseContentTransformer(HttpServletRequest clientRequest, HttpServletResponse proxyResponse, Response serverResponse) {
            return new GZIPContentTransformer(new DiscardContentTransformer());
        }
    });
    startClient();
    ContentResponse response = client.newRequest("localhost", serverConnector.getLocalPort()).header(HttpHeader.CONTENT_ENCODING, "gzip").content(new BytesContentProvider(gzip(bytes))).timeout(5, TimeUnit.SECONDS).send();
    Assert.assertEquals(200, response.getStatus());
    Assert.assertEquals(0, response.getContent().length);
}

Example 13 with ServletException

use of javax.servlet.ServletException in project jetty.project by eclipse.

the class AsyncMiddleManServletTest method testAfterContentTransformerClosingFilesOnClientRequestException.

@Test
public void testAfterContentTransformerClosingFilesOnClientRequestException() throws Exception {
    final Path targetTestsDir = prepareTargetTestsDir();
    startServer(new HttpServlet() {

        @Override
        protected void service(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
            IO.copy(request.getInputStream(), IO.getNullStream());
        }
    });
    final CountDownLatch destroyLatch = new CountDownLatch(1);
    startProxy(new AsyncMiddleManServlet() {

        @Override
        protected ContentTransformer newClientRequestContentTransformer(HttpServletRequest clientRequest, Request proxyRequest) {
            return new AfterContentTransformer() {

                {
                    setOverflowDirectory(targetTestsDir);
                    setMaxInputBufferSize(0);
                    setMaxOutputBufferSize(0);
                }

                @Override
                public boolean transform(Source source, Sink sink) throws IOException {
                    IO.copy(source.getInputStream(), sink.getOutputStream());
                    return true;
                }

                @Override
                public void destroy() {
                    super.destroy();
                    destroyLatch.countDown();
                }
            };
        }
    });
    long idleTimeout = 1000;
    proxyConnector.setIdleTimeout(idleTimeout);
    startClient();
    // Send only part of the content; the proxy will idle timeout.
    final byte[] data = new byte[] { 'c', 'a', 'f', 'e' };
    ContentResponse response = client.newRequest("localhost", serverConnector.getLocalPort()).content(new BytesContentProvider(data) {

        @Override
        public long getLength() {
            return data.length + 1;
        }
    }).timeout(5 * idleTimeout, TimeUnit.MILLISECONDS).send();
    Assert.assertTrue(destroyLatch.await(5 * idleTimeout, TimeUnit.MILLISECONDS));
    Assert.assertEquals(HttpStatus.REQUEST_TIMEOUT_408, response.getStatus());
}

Example 14 with ServletException

use of javax.servlet.ServletException in project jetty.project by eclipse.

the class ProxyServletFailureTest method testProxyRequestExpired.

@Test
public void testProxyRequestExpired() throws Exception {
    prepareProxy();
    final long timeout = 1000;
    proxyServlet.setTimeout(timeout);
    prepareServer(new HttpServlet() {

        @Override
        protected void doGet(final HttpServletRequest request, final HttpServletResponse response) throws ServletException, IOException {
            if (request.getHeader("Via") != null)
                response.addHeader(PROXIED_HEADER, "true");
            try {
                TimeUnit.MILLISECONDS.sleep(2 * timeout);
            } catch (InterruptedException x) {
                throw new ServletException(x);
            }
        }
    });
    Response response = client.newRequest("localhost", serverConnector.getLocalPort()).timeout(3 * timeout, TimeUnit.MILLISECONDS).send();
    Assert.assertEquals(504, response.getStatus());
    Assert.assertFalse(response.getHeaders().containsKey(PROXIED_HEADER));
}

Example 15 with ServletException

use of javax.servlet.ServletException in project jetty.project by eclipse.

the class ProxyServletLoadTest method test.

@Test
public void test() throws Exception {
    startServer(new HttpServlet() {

        @Override
        protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
            if (req.getHeader("Via") != null)
                resp.addHeader(PROXIED_HEADER, "true");
            IO.copy(req.getInputStream(), resp.getOutputStream());
        }
    });
    startProxy();
    startClient();
    // Number of clients to simulate
    int clientCount = Runtime.getRuntime().availableProcessors();
    // Latch for number of clients still active (used to terminate test)
    final CountDownLatch activeClientLatch = new CountDownLatch(clientCount);
    // Atomic Boolean to track that its OK to still continue looping.
    // When this goes false, that means one of the client threads has
    // encountered an error condition, and should allow all remaining
    // client threads to finish cleanly.
    final AtomicBoolean success = new AtomicBoolean(true);
    int iterations = 1000;
    // Start clients
    for (int i = 0; i < clientCount; i++) {
        ClientLoop r = new ClientLoop(activeClientLatch, success, client, "localhost", serverConnector.getLocalPort(), iterations);
        String name = "client-" + i;
        Thread thread = new Thread(r, name);
        thread.start();
    }
    Assert.assertTrue(activeClientLatch.await(Math.max(clientCount * iterations * 10, 5000), TimeUnit.MILLISECONDS));
    Assert.assertTrue(success.get());
}