HADOOP-11350. The size of header buffer of HttpServer is too small when HTTPS is enabled. Contributed by Benoy Antony.

hadoop-common-project/hadoop-common/CHANGES.txt

@@ -355,6 +355,9 @@ Release 2.7.0 - UNRELEASED
     HADOOP-11462. TestSocketIOWithTimeout needs change for PowerPC platform.
     (Ayappan via cnauroth)
 
+    HADOOP-11350. The size of header buffer of HttpServer is too small when
+    HTTPS is enabled. (Benoy Antony via wheat9)
+
 Release 2.6.0 - 2014-11-18
 
   INCOMPATIBLE CHANGES

hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/http/HttpServer2.java

@@ -279,6 +279,7 @@ public HttpServer2 build() throws IOException {
           listener = HttpServer2.createDefaultChannelConnector();
         } else if ("https".equals(scheme)) {
           SslSocketConnector c = new SslSocketConnectorSecure();
+          c.setHeaderBufferSize(1024*64);
           c.setNeedClientAuth(needsClientAuth);
           c.setKeyPassword(keyPassword);
 

hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/http/HttpServerFunctionalTest.java

@@ -28,15 +28,32 @@
 import java.io.File;
 import java.io.IOException;
 import java.io.InputStream;
+import java.net.HttpURLConnection;
 import java.net.URI;
 import java.net.URL;
 import java.net.MalformedURLException;
 
+import javax.servlet.ServletException;
+import javax.servlet.http.HttpServlet;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+
 /**
  * This is a base class for functional tests of the {@link HttpServer2}.
  * The methods are static for other classes to import statically.
  */
 public class HttpServerFunctionalTest extends Assert {
+  @SuppressWarnings("serial")
+  public static class LongHeaderServlet extends HttpServlet {
+    @Override
+    public void doGet(HttpServletRequest request,
+                      HttpServletResponse response
+    ) throws ServletException, IOException {
+      Assert.assertEquals(63 * 1024, request.getHeader("longheader").length());
+      response.setStatus(HttpServletResponse.SC_OK);
+    }
+  }
+
   /** JVM property for the webapp test dir : {@value} */
   public static final String TEST_BUILD_WEBAPPS = "test.build.webapps";
   /** expected location of the test.build.webapps dir: {@value} */
@@ -44,6 +61,7 @@ public class HttpServerFunctionalTest extends Assert {
   
   /** name of the test webapp: {@value} */
   private static final String TEST = "test";
+  protected static URL baseUrl;
 
   /**
    * Create but do not start the test webapp server. The test webapp dir is
@@ -227,4 +245,18 @@ protected static String readOutput(URL url) throws IOException {
     }
     return out.toString();
   }
+
+  /**
+   *  Test that verifies headers can be up to 64K long.
+   *  The test adds a 63K header leaving 1K for other headers.
+   *  This is because the header buffer setting is for ALL headers,
+   *  names and values included. */
+  protected void testLongHeader(HttpURLConnection conn) throws IOException {
+    StringBuilder sb = new StringBuilder();
+    for (int i = 0 ; i < 63 * 1024; i++) {
+      sb.append("a");
+    }
+    conn.setRequestProperty("longheader", sb.toString());
+    assertEquals(HttpURLConnection.HTTP_OK, conn.getResponseCode());
+  }
 }

hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/http/TestHttpServer.java

@@ -67,7 +67,6 @@
 public class TestHttpServer extends HttpServerFunctionalTest {
   static final Log LOG = LogFactory.getLog(TestHttpServer.class);
   private static HttpServer2 server;
-  private static URL baseUrl;
   private static final int MAX_THREADS = 10;
   
   @SuppressWarnings("serial")
@@ -120,17 +119,6 @@ public void doGet(HttpServletRequest request,
     }    
   }
 
-  @SuppressWarnings("serial")
-  public static class LongHeaderServlet extends HttpServlet {
-    @Override
-    public void doGet(HttpServletRequest request,
-                      HttpServletResponse response
-    ) throws ServletException, IOException {
-      Assert.assertEquals(63 * 1024, request.getHeader("longheader").length());
-      response.setStatus(HttpServletResponse.SC_OK);
-    }
-  }
-
   @SuppressWarnings("serial")
   public static class HtmlContentServlet extends HttpServlet {
     @Override
@@ -210,20 +198,10 @@ public void run() {
                  readOutput(new URL(baseUrl, "/echomap?a=b&c<=d&a=>")));
   }
 
-  /** 
-   *  Test that verifies headers can be up to 64K long. 
-   *  The test adds a 63K header leaving 1K for other headers.
-   *  This is because the header buffer setting is for ALL headers,
-   *  names and values included. */
   @Test public void testLongHeader() throws Exception {
     URL url = new URL(baseUrl, "/longheader");
     HttpURLConnection conn = (HttpURLConnection) url.openConnection();
-    StringBuilder sb = new StringBuilder();
-    for (int i = 0 ; i < 63 * 1024; i++) {
-      sb.append("a");
-    }
-    conn.setRequestProperty("longheader", sb.toString());
-    assertEquals(HttpURLConnection.HTTP_OK, conn.getResponseCode());
+    testLongHeader(conn);
   }
 
   @Test public void testContentTypes() throws Exception {

hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/http/TestSSLHttpServer.java

@@ -49,7 +49,6 @@ public class TestSSLHttpServer extends HttpServerFunctionalTest {
   private static final Log LOG = LogFactory.getLog(TestSSLHttpServer.class);
   private static Configuration conf;
   private static HttpServer2 server;
-  private static URL baseUrl;
   private static String keystoresDir;
   private static String sslConfDir;
   private static SSLFactory clientSslFactory;
@@ -85,6 +84,7 @@ public static void setup() throws Exception {
             sslConf.get("ssl.server.truststore.password"),
             sslConf.get("ssl.server.truststore.type", "jks")).build();
     server.addServlet("echo", "/echo", TestHttpServer.EchoServlet.class);
+    server.addServlet("longheader", "/longheader", LongHeaderServlet.class);
     server.start();
     baseUrl = new URL("https://"
         + NetUtils.getHostPortString(server.getConnectorAddress(0)));
@@ -106,6 +106,19 @@ public void testEcho() throws Exception {
         "/echo?a=b&c<=d&e=>")));
   }
 
+  /**
+   *  Test that verifies headers can be up to 64K long.
+   *  The test adds a 63K header leaving 1K for other headers.
+   *  This is because the header buffer setting is for ALL headers,
+   *  names and values included. */
+  @Test
+  public void testLongHeader() throws Exception {
+    URL url = new URL(baseUrl, "/longheader");
+    HttpsURLConnection conn = (HttpsURLConnection) url.openConnection();
+    conn.setSSLSocketFactory(clientSslFactory.createSSLSocketFactory());
+    testLongHeader(conn);
+  }
+
   private static String readOut(URL url) throws Exception {
     HttpsURLConnection conn = (HttpsURLConnection) url.openConnection();
     conn.setSSLSocketFactory(clientSslFactory.createSSLSocketFactory());