Java HttpServer.stop方法代码示例

import org.apache.hadoop.http.HttpServer; //导入方法依赖的package包/类
/**
 * Test that it can detect a running Jetty selector.
 */
@Test(timeout=20000)
public void testGetJettyThreads() throws Exception {
  JettyBugMonitor monitor = new JettyBugMonitor(conf);
  
  new File(System.getProperty("build.webapps", "build/webapps") + "/test"
    ).mkdirs();
  HttpServer server = new HttpServer("test", "0.0.0.0", 0, true);
  server.start();
  try {
    List<Long> threads = monitor.waitForJettyThreads();
    assertEquals(1, threads.size());
  } finally {
    server.stop();
  }
}
 

import org.apache.hadoop.http.HttpServer; //导入方法依赖的package包/类
/**
 * Test to verify the read timeout
 */
@Test(timeout = 5000)
public void testImageTransferTimeout() throws Exception {
  HttpServer testServer = HttpServerFunctionalTest.createServer("hdfs");
  try {
    testServer.addServlet("GetImage", "/getimage", TestGetImageServlet.class);
    testServer.start();
    URL serverURL = HttpServerFunctionalTest.getServerURL(testServer);
    TransferFsImage.timeout = 2000;
    try {
      TransferFsImage.getFileClient(serverURL.getAuthority(), "txid=1", null,
          null, false);
      fail("TransferImage Should fail with timeout");
    } catch (SocketTimeoutException e) {
      assertEquals("Read should timeout", "Read timed out", e.getMessage());
    }
  } finally {
    if (testServer != null) {
      testServer.stop();
    }
  }
}
 

import org.apache.hadoop.http.HttpServer; //导入方法依赖的package包/类
@Test
public void testReadURL() throws Exception {
  // Start a simple web server which hosts the log data.
  HttpServer server = new HttpServer("test", "0.0.0.0", 0, true);
  server.start();
  try {
    server.addServlet("fakeLog", "/fakeLog", FakeLogServlet.class);
    URL url = new URL("http://localhost:" + server.getPort() + "/fakeLog");
    EditLogInputStream elis = EditLogFileInputStream.fromUrl(
        url, HdfsConstants.INVALID_TXID, HdfsConstants.INVALID_TXID,
        false);
    // Read the edit log and verify that we got all of the data.
    EnumMap<FSEditLogOpCodes, Holder<Integer>> counts =
        FSImageTestUtil.countEditLogOpTypes(elis);
    assertThat(counts.get(FSEditLogOpCodes.OP_ADD).held, is(1));
    assertThat(counts.get(FSEditLogOpCodes.OP_SET_GENSTAMP_V1).held, is(1));
    assertThat(counts.get(FSEditLogOpCodes.OP_CLOSE).held, is(1));

    // Check that length header was picked up.
    assertEquals(FAKE_LOG_DATA.length, elis.length());
    elis.close();
  } finally {
    server.stop();
  }
}
 

import org.apache.hadoop.http.HttpServer; //导入方法依赖的package包/类
@Test
public void testNotificationOnLastRetryNormalShutdown() throws Exception {
  HttpServer server = startHttpServer();
  // Act like it is the second attempt. Default max attempts is 2
  MRApp app = spy(new MRAppWithCustomContainerAllocator(
      2, 2, true, this.getClass().getName(), true, 2, true));
  doNothing().when(app).sysexit();
  Configuration conf = new Configuration();
  conf.set(JobContext.MR_JOB_END_NOTIFICATION_URL,
      JobEndServlet.baseUrl + "jobend?jobid=$jobId&status=$jobStatus");
  JobImpl job = (JobImpl)app.submit(conf);
  app.waitForInternalState(job, JobStateInternal.SUCCEEDED);
  // Unregistration succeeds: successfullyUnregistered is set
  app.shutDownJob();
  Assert.assertEquals(true, app.isLastAMRetry());
  Assert.assertEquals(1, JobEndServlet.calledTimes);
  Assert.assertEquals("jobid=" + job.getID() + "&status=SUCCEEDED",
      JobEndServlet.requestUri.getQuery());
  Assert.assertEquals(JobState.SUCCEEDED.toString(),
    JobEndServlet.foundJobState);
  server.stop();
}
 

import org.apache.hadoop.http.HttpServer; //导入方法依赖的package包/类
@Test
public void testAbsentNotificationOnNotLastRetryUnregistrationFailure()
    throws Exception {
  HttpServer server = startHttpServer();
  MRApp app = spy(new MRAppWithCustomContainerAllocator(2, 2, false,
      this.getClass().getName(), true, 1, false));
  doNothing().when(app).sysexit();
  Configuration conf = new Configuration();
  conf.set(JobContext.MR_JOB_END_NOTIFICATION_URL,
      JobEndServlet.baseUrl + "jobend?jobid=$jobId&status=$jobStatus");
  JobImpl job = (JobImpl)app.submit(conf);
  app.waitForState(job, JobState.RUNNING);
  app.getContext().getEventHandler()
    .handle(new JobEvent(app.getJobId(), JobEventType.JOB_AM_REBOOT));
  app.waitForInternalState(job, JobStateInternal.REBOOT);
  // Now shutdown.
  // Unregistration fails: isLastAMRetry is recalculated, this is not
  app.shutDownJob();
  // Not the last AM attempt. So user should that the job is still running.
  app.waitForState(job, JobState.RUNNING);
  Assert.assertEquals(false, app.isLastAMRetry());
  Assert.assertEquals(0, JobEndServlet.calledTimes);
  Assert.assertEquals(null, JobEndServlet.requestUri);
  Assert.assertEquals(null, JobEndServlet.foundJobState);
  server.stop();
}
 

import org.apache.hadoop.http.HttpServer; //导入方法依赖的package包/类
@Test
public void testNotificationOnLastRetryUnregistrationFailure()
    throws Exception {
  HttpServer server = startHttpServer();
  MRApp app = spy(new MRAppWithCustomContainerAllocator(2, 2, false,
      this.getClass().getName(), true, 2, false));
  doNothing().when(app).sysexit();
  Configuration conf = new Configuration();
  conf.set(JobContext.MR_JOB_END_NOTIFICATION_URL,
      JobEndServlet.baseUrl + "jobend?jobid=$jobId&status=$jobStatus");
  JobImpl job = (JobImpl)app.submit(conf);
  app.waitForState(job, JobState.RUNNING);
  app.getContext().getEventHandler()
    .handle(new JobEvent(app.getJobId(), JobEventType.JOB_AM_REBOOT));
  app.waitForInternalState(job, JobStateInternal.REBOOT);
  // Now shutdown. User should see FAILED state.
  // Unregistration fails: isLastAMRetry is recalculated, this is
  app.shutDownJob();
  Assert.assertEquals(true, app.isLastAMRetry());
  Assert.assertEquals(1, JobEndServlet.calledTimes);
  Assert.assertEquals("jobid=" + job.getID() + "&status=FAILED",
      JobEndServlet.requestUri.getQuery());
  Assert.assertEquals(JobState.FAILED.toString(),
    JobEndServlet.foundJobState);
  server.stop();
}