Author: markt
Date: Mon Mar 5 12:24:13 2012
New Revision: 1297028
URL: http://svn.apache.org/viewvc?rev=1297028&view=rev
Log:
Further fix for https://issues.apache.org/bugzilla/show_bug.cgi?id=51197
Allow the ErrorReportValve to write a response body if sendError() is
called during an async request if it is being handled on a container
thread. As per SRV 10.9.2, if an error occurs during an async request on
an application thread, writing the response body - if any - is entirely
an application responsibility.
Modified:
tomcat/tc7.0.x/trunk/ (props changed)
tomcat/tc7.0.x/trunk/java/org/apache/catalina/valves/ErrorReportValve.java
tomcat/tc7.0.x/trunk/test/org/apache/catalina/core/TestAsyncContextImpl.java
tomcat/tc7.0.x/trunk/webapps/docs/changelog.xml
Propchange: tomcat/tc7.0.x/trunk/
------------------------------------------------------------------------------
--- svn:mergeinfo (original)
+++ svn:mergeinfo Mon Mar 5 12:24:13 2012
@@ -1 +1 @@
-/tomcat/trunk:1156115,1156171,1156276,1156304,1156519,1156530,1156602,1157015,1157018,1157151,1157198,1157204,1157810,1157832,1157834,1157847,1157908,1157939,1158155,1158160,1158176,1158195,1158198-1158199,1158227,1158331,1158334-1158335,1158426,1160347,1160592,1160611,1160619,1160626,1160639,1160652,1160720-1160721,1160772,1160774,1160776,1161303,1161310,1161322,1161339,1161486,1161540,1161549,1161584,1162082,1162149,1162169,1162721,1162769,1162836,1162932,1163630,1164419,1164438,1164469,1164480,1164567,1165234,1165247-1165248,1165253,1165273,1165282,1165309,1165331,1165338,1165347,1165360-1165361,1165367-1165368,1165602,1165608,1165677,1165693,1165721,1165723,1165728,1165730,1165738,1165746,1165765,1165777,1165918,1165921,1166077,1166150-1166151,1166290,1166366,1166620,1166686,1166693,1166752,1166757,1167368,1167394,1169447,1170647,1171692,1172233-1172234,1172236,1172269,1172278,1172282,1172556,1172610,1172664,1172689,1172711,1173020-1173021,1173082,1173088,1173090,1173096
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+/tomcat/trunk:1156115,1156171,1156276,1156304,1156519,1156530,1156602,1157015,1157018,1157151,1157198,1157204,1157810,1157832,1157834,1157847,1157908,1157939,1158155,1158160,1158176,1158195,1158198-1158199,1158227,1158331,1158334-1158335,1158426,1160347,1160592,1160611,1160619,1160626,1160639,1160652,1160720-1160721,1160772,1160774,1160776,1161303,1161310,1161322,1161339,1161486,1161540,1161549,1161584,1162082,1162149,1162169,1162721,1162769,1162836,1162932,1163630,1164419,1164438,1164469,1164480,1164567,1165234,1165247-1165248,1165253,1165273,1165282,1165309,1165331,1165338,1165347,1165360-1165361,1165367-1165368,1165602,1165608,1165677,1165693,1165721,1165723,1165728,1165730,1165738,1165746,1165765,1165777,1165918,1165921,1166077,1166150-1166151,1166290,1166366,1166620,1166686,1166693,1166752,1166757,1167368,1167394,1169447,1170647,1171692,1172233-1172234,1172236,1172269,1172278,1172282,1172556,1172610,1172664,1172689,1172711,1173020-1173021,1173082,1173088,1173090,1173096
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Modified:
tomcat/tc7.0.x/trunk/java/org/apache/catalina/valves/ErrorReportValve.java
URL:
http://svn.apache.org/viewvc/tomcat/tc7.0.x/trunk/java/org/apache/catalina/valves/ErrorReportValve.java?rev=1297028&r1=1297027&r2=1297028&view=diff
==============================================================================
--- tomcat/tc7.0.x/trunk/java/org/apache/catalina/valves/ErrorReportValve.java
(original)
+++ tomcat/tc7.0.x/trunk/java/org/apache/catalina/valves/ErrorReportValve.java
Mon Mar 5 12:24:13 2012
@@ -101,13 +101,14 @@ public class ErrorReportValve extends Va
return;
}
- if (request.isAsyncStarted()) {
+ Throwable throwable =
+ (Throwable)
request.getAttribute(RequestDispatcher.ERROR_EXCEPTION);
+
+ if (request.isAsyncStarted() && response.getStatus() < 400 &&
+ throwable == null) {
return;
}
- Throwable throwable =
- (Throwable)
request.getAttribute(RequestDispatcher.ERROR_EXCEPTION);
-
if (throwable != null) {
// The response is an error
@@ -133,6 +134,9 @@ public class ErrorReportValve extends Va
ExceptionUtils.handleThrowable(tt);
}
+ if (request.isAsyncStarted()) {
+ request.getAsyncContext().complete();
+ }
}
Modified:
tomcat/tc7.0.x/trunk/test/org/apache/catalina/core/TestAsyncContextImpl.java
URL:
http://svn.apache.org/viewvc/tomcat/tc7.0.x/trunk/test/org/apache/catalina/core/TestAsyncContextImpl.java?rev=1297028&r1=1297027&r2=1297028&view=diff
==============================================================================
---
tomcat/tc7.0.x/trunk/test/org/apache/catalina/core/TestAsyncContextImpl.java
(original)
+++
tomcat/tc7.0.x/trunk/test/org/apache/catalina/core/TestAsyncContextImpl.java
Mon Mar 5 12:24:13 2012
@@ -36,6 +36,7 @@ import javax.servlet.http.HttpServletRes
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
+import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;
import org.junit.Test;
@@ -1168,7 +1169,16 @@ public class TestAsyncContextImpl extend
}
@Test
- public void testBug51197() throws Exception {
+ public void testBug51197a() throws Exception {
+ doTestBug51197(false);
+ }
+
+ @Test
+ public void testBug51197b() throws Exception {
+ doTestBug51197(true);
+ }
+
+ private void doTestBug51197(boolean threaded) throws Exception {
// Setup Tomcat instance
Tomcat tomcat = getTomcatInstance();
@@ -1178,7 +1188,7 @@ public class TestAsyncContextImpl extend
Context ctx = tomcat.addContext("", docBase.getAbsolutePath());
AsyncErrorServlet asyncErrorServlet =
- new AsyncErrorServlet(HttpServletResponse.SC_BAD_REQUEST);
+ new AsyncErrorServlet(HttpServletResponse.SC_BAD_REQUEST,
threaded);
Wrapper wrapper =
Tomcat.addServlet(ctx, "asyncErrorServlet", asyncErrorServlet);
wrapper.setAsyncSupported(true);
@@ -1194,28 +1204,41 @@ public class TestAsyncContextImpl extend
url.append(getPort());
url.append("/asyncErrorServlet");
- int rc = getUrl(url.toString(), new ByteChunk(), null);
+ ByteChunk res = new ByteChunk();
+ int rc = getUrl(url.toString(), res, null);
assertEquals(HttpServletResponse.SC_BAD_REQUEST, rc);
+ // SRV 10.9.2 - Writing the response is entirely the application's
+ // responsibility when an error occurs on an application thread.
+ // The test servlet writes no content in this case.
+ if (threaded) {
+ assertEquals(0, res.getLength());
+ } else {
+ assertTrue(res.getLength() > 0);
+ }
+
// Without this test may complete before access log has a chance to log
// the request
Thread.sleep(REQUEST_TIME);
// Check the access log
- alv.validateAccessLog(1, HttpServletResponse.SC_BAD_REQUEST, TIMEOUT,
- TIMEOUT + TIMEOUT_MARGIN + REQUEST_TIME);
-
+ alv.validateAccessLog(1, HttpServletResponse.SC_BAD_REQUEST, 0,
+ REQUEST_TIME);
}
private static class AsyncErrorServlet extends HttpServlet {
private static final long serialVersionUID = 1L;
- private int status = 200;
+ public static final String ERROR_MESSAGE = "It broke.";
+
+ private int status;
+ private boolean threaded;
- public AsyncErrorServlet(int status) {
+ public AsyncErrorServlet(int status, boolean threaded) {
this.status = status;
+ this.threaded = threaded;
}
@Override
@@ -1224,18 +1247,25 @@ public class TestAsyncContextImpl extend
final AsyncContext actxt = req.startAsync();
actxt.setTimeout(TIMEOUT);
- actxt.start(new Runnable() {
- @Override
- public void run() {
- try {
- ((HttpServletResponse) actxt.getResponse()).sendError(
- status);
- } catch (IOException e) {
- // Ignore
+ if (threaded) {
+ actxt.start(new Runnable() {
+ @Override
+ public void run() {
+ try {
+ HttpServletResponse resp =
+ (HttpServletResponse) actxt.getResponse();
+ resp.sendError(status, ERROR_MESSAGE);
+ // Complete so there is no delay waiting for the
+ // timeout
+ actxt.complete();
+ } catch (IOException e) {
+ // Ignore
+ }
}
- }
- });
+ });
+ } else {
+ resp.sendError(status);
+ }
}
}
-
}
Modified: tomcat/tc7.0.x/trunk/webapps/docs/changelog.xml
URL:
http://svn.apache.org/viewvc/tomcat/tc7.0.x/trunk/webapps/docs/changelog.xml?rev=1297028&r1=1297027&r2=1297028&view=diff
==============================================================================
--- tomcat/tc7.0.x/trunk/webapps/docs/changelog.xml (original)
+++ tomcat/tc7.0.x/trunk/webapps/docs/changelog.xml Mon Mar 5 12:24:13 2012
@@ -62,6 +62,11 @@
whitespace around the values is trimmed. Reformat documentation
examples to make them more readable. (kkolinko)
</update>
+ <fix>
+ Further improve fix for <bug>51197</bug> to allow an error reporting
+ Valve to write a response body if <code>sendError()</code> is called
+ during an asynchronous request on a container thread. (markt)
+ </fix>
</changelog>
</subsection>
<subsection name="Coyote">
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