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Posted to dev@tomcat.apache.org by ma...@apache.org on 2015/03/03 10:23:55 UTC

svn commit: r1663567 - in /tomcat/tc8.0.x/trunk: ./ java/org/apache/catalina/core/ java/org/apache/coyote/ java/org/apache/coyote/ajp/ java/org/apache/coyote/http11/ test/org/apache/catalina/startup/ test/org/apache/coyote/http11/ webapps/docs/

Author: markt
Date: Tue Mar  3 09:23:54 2015
New Revision: 1663567

URL: http://svn.apache.org/r1663567
Log:
Fix https://bz.apache.org/bugzilla/show_bug.cgi?id=57621
When an async request completes, need to ensure that any unread input is swallowed.

Modified:
    tomcat/tc8.0.x/trunk/   (props changed)
    tomcat/tc8.0.x/trunk/java/org/apache/catalina/core/AsyncContextImpl.java
    tomcat/tc8.0.x/trunk/java/org/apache/coyote/ActionCode.java
    tomcat/tc8.0.x/trunk/java/org/apache/coyote/ajp/AbstractAjpProcessor.java
    tomcat/tc8.0.x/trunk/java/org/apache/coyote/http11/AbstractHttp11Processor.java
    tomcat/tc8.0.x/trunk/test/org/apache/catalina/startup/SimpleHttpClient.java
    tomcat/tc8.0.x/trunk/test/org/apache/coyote/http11/TestAbstractHttp11Processor.java
    tomcat/tc8.0.x/trunk/webapps/docs/changelog.xml

Propchange: tomcat/tc8.0.x/trunk/
------------------------------------------------------------------------------
--- svn:mergeinfo (original)
+++ svn:mergeinfo Tue Mar  3 09:23:54 2015
@@ -1 +1 @@
-/tomcat/trunk:1636524,1637156,1637176,1637188,1637331,1637684,1637695,1638720-1638725,1639653,1640010,1640083-1640084,1640088,1640275,1640322,1640347,1640361,1640365,1640403,1640410,1640652,1640655-1640658,1640688,1640700-1640883,1640903,1640976,1640978,1641000,1641026,1641038-1641039,1641051-1641052,1641058,1641064,1641300,1641369,1641374,1641380,1641486,1641634,1641656-1641692,1641704,1641707-1641718,1641720-1641722,1641735,1641981,1642233,1642280,1642554,1642564,1642595,1642606,1642668,1642679,1642697,1642699,1642766,1643002,1643045,1643054-1643055,1643066,1643121,1643128,1643206,1643209-1643210,1643216,1643249,1643270,1643283,1643309-1643310,1643323,1643365-1643366,1643370-1643371,1643465,1643474,1643536,1643570,1643634,1643649,1643651,1643654,1643675,1643731,1643733-1643734,1643761,1643766,1643814,1643937,1643963,1644017,1644169,1644201-1644203,1644321,1644323,1644516,1644523,1644529,1644535,1644730,1644768,1644784-1644785,1644790,1644793,1644815,1644884,1644886,1644890,1644892
 ,1644910,1644924,1644929-1644930,1644935,1644989,1645011,1645247,1645355,1645357-1645358,1645455,1645465,1645469,1645471,1645473,1645475,1645486-1645488,1645626,1645641,1645685,1645743,1645763,1645951-1645953,1645955,1645993,1646098-1646106,1646178,1646220,1646302,1646304,1646420,1646470-1646471,1646476,1646559,1646717-1646723,1646773,1647026,1647042,1647530,1647655,1648304,1648815,1648907,1650081,1650365,1651116,1651120,1651280,1651470,1652938,1652970,1653041,1653471,1653550,1653574,1653797,1653815-1653816,1653819,1653840,1653857,1653888,1653972,1654013,1654030,1654050,1654123,1654148,1654159,1654513,1654515,1654517,1654522,1654524,1654725,1654735,1654766,1654785,1654851-1654852,1654978,1655122-1655124,1655126-1655127,1655129-1655130,1655132-1655133,1655312,1655438,1655441,1655454,1655558,1656087,1656299,1656319,1656331,1656345,1656350,1656590,1656648-1656650,1656657,1657041,1657054,1657374,1657492,1657510,1657565,1657580,1657584,1657586,1657589,1657592,1657607,1657609,1657682,1657
 907,1658207,1658734,1658781,1658790,1658799,1658802,1658804,1658833,1658840,1658966,1659043,1659053,1659059,1659188-1659189,1659216,1659263,1659293,1659304,1659306-1659307,1659382,1659384,1659428,1659471,1659486,1659505,1659516,1659521,1659524,1659559,1659562,1659803,1659806,1659814,1659833,1659862,1659905,1659919,1659948,1659967,1659983-1659984,1660060,1660074,1660077,1660133,1660168,1660331-1660332,1660353,1660358,1660924,1661386,1661867,1661972,1661990,1662200,1662308-1662309,1662548,1662614,1662736,1662985,1662988-1662989,1663264,1663277,1663298,1663324,1663534
+/tomcat/trunk:1636524,1637156,1637176,1637188,1637331,1637684,1637695,1638720-1638725,1639653,1640010,1640083-1640084,1640088,1640275,1640322,1640347,1640361,1640365,1640403,1640410,1640652,1640655-1640658,1640688,1640700-1640883,1640903,1640976,1640978,1641000,1641026,1641038-1641039,1641051-1641052,1641058,1641064,1641300,1641369,1641374,1641380,1641486,1641634,1641656-1641692,1641704,1641707-1641718,1641720-1641722,1641735,1641981,1642233,1642280,1642554,1642564,1642595,1642606,1642668,1642679,1642697,1642699,1642766,1643002,1643045,1643054-1643055,1643066,1643121,1643128,1643206,1643209-1643210,1643216,1643249,1643270,1643283,1643309-1643310,1643323,1643365-1643366,1643370-1643371,1643465,1643474,1643536,1643570,1643634,1643649,1643651,1643654,1643675,1643731,1643733-1643734,1643761,1643766,1643814,1643937,1643963,1644017,1644169,1644201-1644203,1644321,1644323,1644516,1644523,1644529,1644535,1644730,1644768,1644784-1644785,1644790,1644793,1644815,1644884,1644886,1644890,1644892
 ,1644910,1644924,1644929-1644930,1644935,1644989,1645011,1645247,1645355,1645357-1645358,1645455,1645465,1645469,1645471,1645473,1645475,1645486-1645488,1645626,1645641,1645685,1645743,1645763,1645951-1645953,1645955,1645993,1646098-1646106,1646178,1646220,1646302,1646304,1646420,1646470-1646471,1646476,1646559,1646717-1646723,1646773,1647026,1647042,1647530,1647655,1648304,1648815,1648907,1650081,1650365,1651116,1651120,1651280,1651470,1652938,1652970,1653041,1653471,1653550,1653574,1653797,1653815-1653816,1653819,1653840,1653857,1653888,1653972,1654013,1654030,1654050,1654123,1654148,1654159,1654513,1654515,1654517,1654522,1654524,1654725,1654735,1654766,1654785,1654851-1654852,1654978,1655122-1655124,1655126-1655127,1655129-1655130,1655132-1655133,1655312,1655438,1655441,1655454,1655558,1656087,1656299,1656319,1656331,1656345,1656350,1656590,1656648-1656650,1656657,1657041,1657054,1657374,1657492,1657510,1657565,1657580,1657584,1657586,1657589,1657592,1657607,1657609,1657682,1657
 907,1658207,1658734,1658781,1658790,1658799,1658802,1658804,1658833,1658840,1658966,1659043,1659053,1659059,1659188-1659189,1659216,1659263,1659293,1659304,1659306-1659307,1659382,1659384,1659428,1659471,1659486,1659505,1659516,1659521,1659524,1659559,1659562,1659803,1659806,1659814,1659833,1659862,1659905,1659919,1659948,1659967,1659983-1659984,1660060,1660074,1660077,1660133,1660168,1660331-1660332,1660353,1660358,1660924,1661386,1661867,1661972,1661990,1662200,1662308-1662309,1662548,1662614,1662736,1662985,1662988-1662989,1663264,1663277,1663298,1663324,1663534,1663562

Modified: tomcat/tc8.0.x/trunk/java/org/apache/catalina/core/AsyncContextImpl.java
URL: http://svn.apache.org/viewvc/tomcat/tc8.0.x/trunk/java/org/apache/catalina/core/AsyncContextImpl.java?rev=1663567&r1=1663566&r2=1663567&view=diff
==============================================================================
--- tomcat/tc8.0.x/trunk/java/org/apache/catalina/core/AsyncContextImpl.java (original)
+++ tomcat/tc8.0.x/trunk/java/org/apache/catalina/core/AsyncContextImpl.java Tue Mar  3 09:23:54 2015
@@ -107,11 +107,15 @@ public class AsyncContextImpl implements
             context.unbind(Globals.IS_SECURITY_ENABLED, oldCL);
         }
 
-        // The application doesn't know it has to stop writing until it receives
-        // the complete event so the response has to be closed after firing the
-        // event.
+        // The application doesn't know it has to stop read and/or writing until
+        // it receives the complete event so the request and response have to be
+        // closed after firing the event.
         try {
+            // First of all ensure that any data written to the response is
+            // written to the I/O layer.
             request.getResponse().finishResponse();
+            // Close the request and the response.
+            request.getCoyoteRequest().action(ActionCode.END_REQUEST, null);
         } catch (Throwable t) {
             ExceptionUtils.handleThrowable(t);
             // Catch this here and allow async context complete to continue

Modified: tomcat/tc8.0.x/trunk/java/org/apache/coyote/ActionCode.java
URL: http://svn.apache.org/viewvc/tomcat/tc8.0.x/trunk/java/org/apache/coyote/ActionCode.java?rev=1663567&r1=1663566&r2=1663567&view=diff
==============================================================================
--- tomcat/tc8.0.x/trunk/java/org/apache/coyote/ActionCode.java (original)
+++ tomcat/tc8.0.x/trunk/java/org/apache/coyote/ActionCode.java Tue Mar  3 09:23:54 2015
@@ -249,5 +249,11 @@ public enum ActionCode {
      * when the non-blocking listeners are configured on a thread where the
      * processing wasn't triggered by a read or write event on the socket.
      */
-    DISPATCH_EXECUTE
+    DISPATCH_EXECUTE,
+
+    /**
+     * Trigger end of request processing (remaining input swallowed, write any
+     * remaining parts of the response etc.).
+     */
+    END_REQUEST
 }

Modified: tomcat/tc8.0.x/trunk/java/org/apache/coyote/ajp/AbstractAjpProcessor.java
URL: http://svn.apache.org/viewvc/tomcat/tc8.0.x/trunk/java/org/apache/coyote/ajp/AbstractAjpProcessor.java?rev=1663567&r1=1663566&r2=1663567&view=diff
==============================================================================
--- tomcat/tc8.0.x/trunk/java/org/apache/coyote/ajp/AbstractAjpProcessor.java (original)
+++ tomcat/tc8.0.x/trunk/java/org/apache/coyote/ajp/AbstractAjpProcessor.java Tue Mar  3 09:23:54 2015
@@ -653,7 +653,11 @@ public abstract class AbstractAjpProcess
             setErrorState(ErrorState.CLOSE_NOW, null);
             break;
         }
+        case END_REQUEST: {
+            // NO-OP for AJP
+            break;
         }
+       }
     }
 
 

Modified: tomcat/tc8.0.x/trunk/java/org/apache/coyote/http11/AbstractHttp11Processor.java
URL: http://svn.apache.org/viewvc/tomcat/tc8.0.x/trunk/java/org/apache/coyote/http11/AbstractHttp11Processor.java?rev=1663567&r1=1663566&r2=1663567&view=diff
==============================================================================
--- tomcat/tc8.0.x/trunk/java/org/apache/coyote/http11/AbstractHttp11Processor.java (original)
+++ tomcat/tc8.0.x/trunk/java/org/apache/coyote/http11/AbstractHttp11Processor.java Tue Mar  3 09:23:54 2015
@@ -915,6 +915,10 @@ public abstract class AbstractHttp11Proc
             setErrorState(ErrorState.CLOSE_NOW, null);
             break;
         }
+        case END_REQUEST: {
+            endRequest();
+            break;
+        }
         default: {
             actionInternal(actionCode, param);
             break;

Modified: tomcat/tc8.0.x/trunk/test/org/apache/catalina/startup/SimpleHttpClient.java
URL: http://svn.apache.org/viewvc/tomcat/tc8.0.x/trunk/test/org/apache/catalina/startup/SimpleHttpClient.java?rev=1663567&r1=1663566&r2=1663567&view=diff
==============================================================================
--- tomcat/tc8.0.x/trunk/test/org/apache/catalina/startup/SimpleHttpClient.java (original)
+++ tomcat/tc8.0.x/trunk/test/org/apache/catalina/startup/SimpleHttpClient.java Tue Mar  3 09:23:54 2015
@@ -385,6 +385,10 @@ public abstract class SimpleHttpClient {
 
         useContinue = false;
 
+        resetResponse();
+    }
+
+    public void resetResponse() {
         responseLine = null;
         responseHeaders = new ArrayList<>();
         responseBody = null;

Modified: tomcat/tc8.0.x/trunk/test/org/apache/coyote/http11/TestAbstractHttp11Processor.java
URL: http://svn.apache.org/viewvc/tomcat/tc8.0.x/trunk/test/org/apache/coyote/http11/TestAbstractHttp11Processor.java?rev=1663567&r1=1663566&r2=1663567&view=diff
==============================================================================
--- tomcat/tc8.0.x/trunk/test/org/apache/coyote/http11/TestAbstractHttp11Processor.java (original)
+++ tomcat/tc8.0.x/trunk/test/org/apache/coyote/http11/TestAbstractHttp11Processor.java Tue Mar  3 09:23:54 2015
@@ -45,6 +45,7 @@ import org.junit.Assert;
 import org.junit.Test;
 
 import org.apache.catalina.Context;
+import org.apache.catalina.Wrapper;
 import org.apache.catalina.startup.SimpleHttpClient;
 import org.apache.catalina.startup.TesterServlet;
 import org.apache.catalina.startup.Tomcat;
@@ -701,4 +702,103 @@ public class TestAbstractHttp11Processor
             return getResponseBody().contains("test - data");
         }
     }
+
+
+    /*
+     * Partially read chunked input is not swallowed when it is read during
+     * async processing.
+     */
+    @Test
+    public void testBug57621() throws Exception {
+
+        Tomcat tomcat = getTomcatInstance();
+        Context root = tomcat.addContext("", null);
+        Wrapper w = Tomcat.addServlet(root, "Bug57621", new Bug57621Servlet());
+        w.setAsyncSupported(true);
+        root.addServletMapping("/test", "Bug57621");
+
+        tomcat.start();
+
+        Bug57621Client client = new Bug57621Client();
+        client.setPort(tomcat.getConnector().getLocalPort());
+
+        client.setUseContentLength(true);
+
+        client.connect();
+
+        client.doRequest();
+        assertTrue(client.getResponseLine(), client.isResponse200());
+        assertTrue(client.isResponseBodyOK());
+
+        // Do the request again to ensure that the remaining body was swallowed
+        client.resetResponse();
+        client.processRequest();
+        assertTrue(client.isResponse200());
+        assertTrue(client.isResponseBodyOK());
+
+        client.disconnect();
+    }
+
+
+    private static class Bug57621Servlet extends HttpServlet {
+
+        private static final long serialVersionUID = 1L;
+
+        @Override
+        protected void doPut(HttpServletRequest req, HttpServletResponse resp)
+                throws ServletException, IOException {
+            AsyncContext ac = req.startAsync();
+            ac.start(new Runnable() {
+                @Override
+                public void run() {
+                    resp.setContentType("text/plain");
+                    resp.setCharacterEncoding("UTF-8");
+                    try {
+                        resp.getWriter().print("OK");
+                    } catch (IOException e) {
+                        // Should never happen. Test will fail if it does.
+                    }
+                    ac.complete();
+                }
+            });
+        }
+    }
+
+
+    private class Bug57621Client extends SimpleHttpClient {
+
+        private Exception doRequest() {
+            try {
+                String[] request = new String[2];
+                request[0] =
+                    "PUT http://localhost:8080/test HTTP/1.1" + CRLF +
+                    "Transfer-encoding: chunked" + CRLF +
+                    CRLF +
+                    "2" + CRLF +
+                    "OK";
+
+                request[1] =
+                    CRLF +
+                    "0" + CRLF +
+                    CRLF;
+
+                setRequest(request);
+                processRequest(); // blocks until response has been read
+            } catch (Exception e) {
+                return e;
+            }
+            return null;
+        }
+
+        @Override
+        public boolean isResponseBodyOK() {
+            if (getResponseBody() == null) {
+                return false;
+            }
+            if (!getResponseBody().contains("OK")) {
+                return false;
+            }
+            return true;
+        }
+    }
 }

Modified: tomcat/tc8.0.x/trunk/webapps/docs/changelog.xml
URL: http://svn.apache.org/viewvc/tomcat/tc8.0.x/trunk/webapps/docs/changelog.xml?rev=1663567&r1=1663566&r2=1663567&view=diff
==============================================================================
--- tomcat/tc8.0.x/trunk/webapps/docs/changelog.xml (original)
+++ tomcat/tc8.0.x/trunk/webapps/docs/changelog.xml Tue Mar  3 09:23:54 2015
@@ -83,6 +83,10 @@
         (markt)
       </fix>
       <fix>
+        <bug>57621</bug>: When an async request completes, ensure that any
+        remaining request body data is swallowed. (markt)
+      </fix>
+      <fix>
         <bug>57637</bug>: Do not create unnecessary sessions when using PersistentValve.
         (jboynes/fschumacher)
       </fix>



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