HADOOP-8816. HTTP Error 413 full HEAD if using kerberos authentication (daryn)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-0.23@1455974 13f79535-47bb-0310-9956-ffa450edef68

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

@@ -114,6 +114,9 @@ Release 0.23.7 - UNRELEASED
     HADOOP-9339. IPC.Server incorrectly sets UGI auth type (Daryn Sharp via
     kihwal)
 
+    HADOOP-8816. HTTP Error 413 full HEAD if using kerberos authentication
+    (daryn)
+
 Release 0.23.6 - 2013-02-06
 
   INCOMPATIBLE CHANGES

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

@@ -274,6 +274,7 @@ public class HttpServer implements FilterContainer {
     ret.setAcceptQueueSize(128);
     ret.setResolveNames(false);
     ret.setUseDirectBuffers(false);
+    ret.setHeaderBufferSize(1024*64);
     return ret;
   }
 

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

@@ -117,6 +117,18 @@ public class TestHttpServer extends HttpServerFunctionalTest {
     }    
   }
 
+  @SuppressWarnings("serial")
+  public static class LongHeaderServlet extends HttpServlet {
+    @SuppressWarnings("unchecked")
+    @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
@@ -137,6 +149,7 @@ public class TestHttpServer extends HttpServerFunctionalTest {
     server.addServlet("echo", "/echo", EchoServlet.class);
     server.addServlet("echomap", "/echomap", EchoMapServlet.class);
     server.addServlet("htmlcontent", "/htmlcontent", HtmlContentServlet.class);
+    server.addServlet("longheader", "/longheader", LongHeaderServlet.class);
     server.addJerseyResourcePackage(
         JerseyResource.class.getPackage().getName(), "/jersey/*");
     server.start();
@@ -195,6 +208,18 @@ public class TestHttpServer extends HttpServerFunctionalTest {
                  readOutput(new URL(baseUrl, "/echomap?a=b&c<=d&a=>")));
   }
 
+  /** Test the echo map servlet that uses getParameterMap. */
+  @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());
+  }
+
   @Test public void testContentTypes() throws Exception {
     // Static CSS files should have text/css
     URL cssUrl = new URL(baseUrl, "/static/test.css");