Author: kkolinko
Date: Wed May 14 00:44:33 2014
New Revision: 1594436

URL: http://svn.apache.org/r1594436
Log:
Fix https://issues.apache.org/bugzilla/show_bug.cgi?id=56399
When recycling a Coyote request, ensure that Catalina request have been 
recycled.

Modified:
    tomcat/trunk/java/org/apache/catalina/connector/CoyoteAdapter.java
    tomcat/trunk/java/org/apache/catalina/connector/LocalStrings.properties
    tomcat/trunk/java/org/apache/coyote/Adapter.java
    tomcat/trunk/java/org/apache/coyote/ajp/AbstractAjpProcessor.java
    tomcat/trunk/java/org/apache/coyote/http11/AbstractHttp11Processor.java
    tomcat/trunk/webapps/docs/changelog.xml

Modified: tomcat/trunk/java/org/apache/catalina/connector/CoyoteAdapter.java
URL: 
http://svn.apache.org/viewvc/tomcat/trunk/java/org/apache/catalina/connector/CoyoteAdapter.java?rev=1594436&r1=1594435&r2=1594436&view=diff
==============================================================================
--- tomcat/trunk/java/org/apache/catalina/connector/CoyoteAdapter.java 
(original)
+++ tomcat/trunk/java/org/apache/catalina/connector/CoyoteAdapter.java Wed May 
14 00:44:33 2014
@@ -655,6 +655,41 @@ public class CoyoteAdapter implements Ad
     }
 
 
+    private static class RecycleRequiredException extends Exception {
+        private static final long serialVersionUID = 1L;
+    }
+
+    @Override
+    public void checkRecycled(org.apache.coyote.Request req,
+            org.apache.coyote.Response res) {
+        Request request = (Request) req.getNote(ADAPTER_NOTES);
+        Response response = (Response) res.getNote(ADAPTER_NOTES);
+        try {
+            if (request != null) {
+                if (request.getContext() != null || request.getHost() != null)
+                    throw new RecycleRequiredException();
+            }
+            if (response != null) {
+                if (response.getContentWritten() != 0)
+                    throw new RecycleRequiredException();
+            }
+        } catch (RecycleRequiredException e) {
+            String message = sm.getString("coyoteAdapter.checkRecycled");
+            if (connector.getState().isAvailable()) {
+                log.warn(message, e);
+            } else {
+                // There may be some aborted requests.
+                // When connector shuts down, the request and response will not
+                // be reused, so there is no issue to warn about here.
+                log.debug(message, e);
+            }
+            // Log this request, as it has probably skipped the access log.
+            // The log() method will take care of recycling.
+            log(req, res, 0L);
+        }
+    }
+
+
     @Override
     public String getDomain() {
         return connector.getDomain();

Modified: 
tomcat/trunk/java/org/apache/catalina/connector/LocalStrings.properties
URL: 
http://svn.apache.org/viewvc/tomcat/trunk/java/org/apache/catalina/connector/LocalStrings.properties?rev=1594436&r1=1594435&r2=1594436&view=diff
==============================================================================
--- tomcat/trunk/java/org/apache/catalina/connector/LocalStrings.properties 
(original)
+++ tomcat/trunk/java/org/apache/catalina/connector/LocalStrings.properties Wed 
May 14 00:44:33 2014
@@ -17,6 +17,7 @@ cometEvent.nullRequest=The event object 
 
 coyoteAdapter.accesslogFail=Exception while attempting to add an entry to the 
access log
 coyoteAdapter.asyncDispatch=Exception while processing an asynchronous request
+coyoteAdapter.checkRecycled=A non-recycled request encountered. It will be 
recycled forcedly.
 coyoteAdapter.debug=The variable [{0}] has value [{1}]
 coyoteAdapter.parsePathParam=Unable to parse the path parameters using 
encoding [{0}]. The path parameters in the URL will be ignored.
 

Modified: tomcat/trunk/java/org/apache/coyote/Adapter.java
URL: 
http://svn.apache.org/viewvc/tomcat/trunk/java/org/apache/coyote/Adapter.java?rev=1594436&r1=1594435&r2=1594436&view=diff
==============================================================================
--- tomcat/trunk/java/org/apache/coyote/Adapter.java (original)
+++ tomcat/trunk/java/org/apache/coyote/Adapter.java Wed May 14 00:44:33 2014
@@ -56,6 +56,19 @@ public interface Adapter {
     public void log(Request req, Response res, long time);
 
     /**
+     * Assert that request and response have been recycled. If they have not
+     * then log a warning and force a recycle. This method is called as a 
safety
+     * check when a processor is being recycled and may be returned to a pool
+     * for reuse.
+     *
+     * @param req
+     *            Request
+     * @param res
+     *            Response
+     */
+    public void checkRecycled(Request req, Response res);
+
+    /**
      * Provide the name of the domain to use to register MBeans for conponents
      * associated with the connector.
      *

Modified: tomcat/trunk/java/org/apache/coyote/ajp/AbstractAjpProcessor.java
URL: 
http://svn.apache.org/viewvc/tomcat/trunk/java/org/apache/coyote/ajp/AbstractAjpProcessor.java?rev=1594436&r1=1594435&r2=1594436&view=diff
==============================================================================
--- tomcat/trunk/java/org/apache/coyote/ajp/AbstractAjpProcessor.java (original)
+++ tomcat/trunk/java/org/apache/coyote/ajp/AbstractAjpProcessor.java Wed May 
14 00:44:33 2014
@@ -890,6 +890,8 @@ public abstract class AbstractAjpProcess
      */
     @Override
     public void recycle(boolean socketClosing) {
+        getAdapter().checkRecycled(request, response);
+
         asyncStateMachine.recycle();
 
         // Recycle Request object

Modified: 
tomcat/trunk/java/org/apache/coyote/http11/AbstractHttp11Processor.java
URL: 
http://svn.apache.org/viewvc/tomcat/trunk/java/org/apache/coyote/http11/AbstractHttp11Processor.java?rev=1594436&r1=1594435&r2=1594436&view=diff
==============================================================================
--- tomcat/trunk/java/org/apache/coyote/http11/AbstractHttp11Processor.java 
(original)
+++ tomcat/trunk/java/org/apache/coyote/http11/AbstractHttp11Processor.java Wed 
May 14 00:44:33 2014
@@ -1744,6 +1744,8 @@ public abstract class AbstractHttp11Proc
 
     @Override
     public final void recycle(boolean isSocketClosing) {
+        getAdapter().checkRecycled(request, response);
+
         if (getInputBuffer() != null) {
             getInputBuffer().recycle();
         }

Modified: tomcat/trunk/webapps/docs/changelog.xml
URL: 
http://svn.apache.org/viewvc/tomcat/trunk/webapps/docs/changelog.xml?rev=1594436&r1=1594435&r2=1594436&view=diff
==============================================================================
--- tomcat/trunk/webapps/docs/changelog.xml (original)
+++ tomcat/trunk/webapps/docs/changelog.xml Wed May 14 00:44:33 2014
@@ -225,6 +225,10 @@
         <bug>56348</bug>: Fix slow asynchronous read when read was performed on
         a non-container thread. (markt)
       </fix>
+      <add>
+        <bug>56399</bug>: Assert that both Coyote and Catalina request objects
+        have been properly recycled. (kkolinko)
+      </add>
       <fix>
         <bug>56416</bug>: Correct documentation for default value of socket
         linger for the AJP and HTTP connectors. (markt)



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