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251
test/org/apache/catalina/connector/TestSendFile.java
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251
test/org/apache/catalina/connector/TestSendFile.java
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/*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The ASF licenses this file to You under the Apache License, Version 2.0
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* (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.apache.catalina.connector;
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import java.io.BufferedInputStream;
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import java.io.BufferedWriter;
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import java.io.File;
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import java.io.FileInputStream;
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import java.io.FileWriter;
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import java.io.IOException;
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import java.util.ArrayList;
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import java.util.Arrays;
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import java.util.HashMap;
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import java.util.List;
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import java.util.Map;
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import java.util.Random;
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import java.util.concurrent.CountDownLatch;
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import java.util.concurrent.TimeUnit;
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import javax.servlet.ServletException;
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import javax.servlet.http.HttpServlet;
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import javax.servlet.http.HttpServletRequest;
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import javax.servlet.http.HttpServletResponse;
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import org.junit.Assert;
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import org.junit.Test;
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import org.apache.catalina.Context;
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import org.apache.catalina.Globals;
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import org.apache.catalina.startup.Tomcat;
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import org.apache.catalina.startup.TomcatBaseTest;
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import org.apache.tomcat.util.buf.ByteChunk;
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public class TestSendFile extends TomcatBaseTest {
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public static final int ITERATIONS = 10;
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public static final int EXPECTED_CONTENT_LENGTH = 100000;
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@Test
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public void testSendFile() throws Exception {
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Tomcat tomcat = getTomcatInstance();
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Context root = tomcat.addContext("", TEMP_DIR);
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File[] files = new File[ITERATIONS];
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for (int i = 0; i < ITERATIONS; i++) {
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files[i] = generateFile(TEMP_DIR, "-" + i, EXPECTED_CONTENT_LENGTH * (i + 1));
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}
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try {
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for (int i = 0; i < ITERATIONS; i++) {
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WritingServlet servlet = new WritingServlet(files[i]);
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Tomcat.addServlet(root, "servlet" + i, servlet);
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root.addServletMappingDecoded("/servlet" + i, "servlet" + i);
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}
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tomcat.start();
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ByteChunk bc = new ByteChunk();
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Map<String, List<String>> respHeaders = new HashMap<>();
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for (int i = 0; i < ITERATIONS; i++) {
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long start = System.currentTimeMillis();
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int rc = getUrl("http://localhost:" + getPort() + "/servlet" + i, bc, null,
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respHeaders);
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Assert.assertEquals(HttpServletResponse.SC_OK, rc);
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System.out.println("Client received " + bc.getLength() + " bytes in "
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+ (System.currentTimeMillis() - start) + " ms.");
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Assert.assertEquals(EXPECTED_CONTENT_LENGTH * (i + 1L), bc.getLength());
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bc.recycle();
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}
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} finally {
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for (File f : files) {
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Assert.assertTrue("Failed to clean up [" + f + "]", f.delete());
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}
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}
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}
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public File generateFile(String dir, String suffix, int size) throws IOException {
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String name = "testSendFile-" + System.currentTimeMillis() + suffix + ".txt";
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File f = new File(dir, name);
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try (FileWriter fw = new FileWriter(f, false); BufferedWriter w = new BufferedWriter(fw);) {
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int defSize = 8192;
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while (size > 0) {
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int bytes = Math.min(size, defSize);
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char[] b = new char[bytes];
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Arrays.fill(b, 'X');
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w.write(b);
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size = size - bytes;
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}
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w.flush();
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}
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System.out
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.println("Created file:" + f.getAbsolutePath() + " with " + f.length() + " bytes.");
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return f;
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}
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private static class WritingServlet extends HttpServlet {
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private static final long serialVersionUID = 1L;
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private final File f;
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public WritingServlet(File f) {
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this.f = f;
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}
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@Override
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protected void doGet(HttpServletRequest req, HttpServletResponse resp)
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throws ServletException, IOException {
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resp.setContentType("'application/octet-stream");
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resp.setCharacterEncoding("ISO-8859-1");
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resp.setContentLengthLong(f.length());
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if (Boolean.TRUE.equals(req.getAttribute(Globals.SENDFILE_SUPPORTED_ATTR))) {
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req.setAttribute(Globals.SENDFILE_FILENAME_ATTR, f.getAbsolutePath());
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req.setAttribute(Globals.SENDFILE_FILE_START_ATTR, Long.valueOf(0));
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req.setAttribute(Globals.SENDFILE_FILE_END_ATTR, Long.valueOf(f.length()));
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} else {
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byte[] c = new byte[8192];
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try (BufferedInputStream in = new BufferedInputStream(new FileInputStream(f))) {
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int len = 0;
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int written = 0;
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long start = System.currentTimeMillis();
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do {
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len = in.read(c);
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if (len > 0) {
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resp.getOutputStream().write(c, 0, len);
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written += len;
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}
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} while (len > 0);
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System.out.println("Server Wrote " + written + " bytes in "
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+ (System.currentTimeMillis() - start) + " ms.");
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}
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}
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}
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}
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@Test
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public void testBug60409() throws Exception {
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Tomcat tomcat = getTomcatInstance();
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Context ctx = tomcat.addContext("", TEMP_DIR);
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File file = generateFile(TEMP_DIR, "", EXPECTED_CONTENT_LENGTH);
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Tomcat.addServlet(ctx, "test", new Bug60409Servlet(file));
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ctx.addServletMappingDecoded("/", "test");
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tomcat.start();
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ByteChunk bc = new ByteChunk();
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getUrl("http://localhost:" + getPort() + "/test/?" + Globals.SENDFILE_SUPPORTED_ATTR
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+ "=true", bc, null);
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CountDownLatch latch = new CountDownLatch(2);
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List<Throwable> exceptions = new ArrayList<>();
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new Thread(
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new RequestExecutor("http://localhost:" + getPort() + "/test/", latch, exceptions))
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.start();
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new Thread(
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new RequestExecutor("http://localhost:" + getPort() + "/test/", latch, exceptions))
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.start();
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latch.await(3000, TimeUnit.MILLISECONDS);
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if (exceptions.size() > 0) {
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Assert.fail();
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}
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}
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private static final class Bug60409Servlet extends HttpServlet {
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private static final long serialVersionUID = 1L;
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private final File file;
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Bug60409Servlet(File file) {
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this.file = file;
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}
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@Override
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protected void doGet(HttpServletRequest req, HttpServletResponse resp)
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throws ServletException, IOException {
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if (Boolean.valueOf(req.getParameter(Globals.SENDFILE_SUPPORTED_ATTR)).booleanValue()) {
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resp.setContentType("'application/octet-stream");
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resp.setCharacterEncoding("ISO-8859-1");
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resp.setContentLengthLong(file.length());
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req.setAttribute(Globals.SENDFILE_FILENAME_ATTR, file.getAbsolutePath());
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req.setAttribute(Globals.SENDFILE_FILE_START_ATTR, Long.valueOf(0));
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req.setAttribute(Globals.SENDFILE_FILE_END_ATTR, Long.valueOf(file.length()));
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if (!file.delete()) {
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throw new ServletException("Failed to delete [" + file + "]");
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}
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} else {
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byte[] c = new byte[1024];
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Random rd = new Random();
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rd.nextBytes(c);
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try {
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Thread.sleep(1000);
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} catch (InterruptedException e) {
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e.printStackTrace();
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}
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resp.getOutputStream().write(c);
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}
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}
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}
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private static final class RequestExecutor implements Runnable {
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private final String url;
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private final CountDownLatch latch;
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private final List<Throwable> exceptions;
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RequestExecutor(String url, CountDownLatch latch, List<Throwable> exceptions) {
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this.url = url;
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this.latch = latch;
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this.exceptions = exceptions;
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}
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@Override
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public void run() {
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try {
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ByteChunk result = new ByteChunk();
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int rc = getUrl(url, result, null);
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Assert.assertEquals(HttpServletResponse.SC_OK, rc);
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Assert.assertEquals(1024, result.getLength());
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} catch (Throwable e) {
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e.printStackTrace();
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exceptions.add(e);
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} finally {
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latch.countDown();
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}
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}
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}
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}
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