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Posted to dev@tomcat.apache.org by kf...@apache.org on 2012/07/09 12:45:44 UTC

svn commit: r1359044 - in /tomcat/tc7.0.x/trunk: java/org/apache/catalina/ha/tcp/SimpleTcpCluster.java webapps/docs/changelog.xml

Author: kfujino
Date: Mon Jul  9 10:45:43 2012
New Revision: 1359044

URL: http://svn.apache.org/viewvc?rev=1359044&view=rev
Log:
Fix https://issues.apache.org/bugzilla/show_bug.cgi?id=53513.
Fix race condition between the processing of session sync message and transfer complete message.

Modified:
    tomcat/tc7.0.x/trunk/java/org/apache/catalina/ha/tcp/SimpleTcpCluster.java
    tomcat/tc7.0.x/trunk/webapps/docs/changelog.xml

Modified: tomcat/tc7.0.x/trunk/java/org/apache/catalina/ha/tcp/SimpleTcpCluster.java
URL: http://svn.apache.org/viewvc/tomcat/tc7.0.x/trunk/java/org/apache/catalina/ha/tcp/SimpleTcpCluster.java?rev=1359044&r1=1359043&r2=1359044&view=diff
==============================================================================
--- tomcat/tc7.0.x/trunk/java/org/apache/catalina/ha/tcp/SimpleTcpCluster.java (original)
+++ tomcat/tc7.0.x/trunk/java/org/apache/catalina/ha/tcp/SimpleTcpCluster.java Mon Jul  9 10:45:43 2012
@@ -45,6 +45,7 @@ import org.apache.catalina.ha.session.Cl
 import org.apache.catalina.ha.session.DeltaManager;
 import org.apache.catalina.ha.session.JvmRouteBinderValve;
 import org.apache.catalina.ha.session.JvmRouteSessionIDBinderListener;
+import org.apache.catalina.ha.session.SessionMessage;
 import org.apache.catalina.ha.util.IDynamicProperty;
 import org.apache.catalina.tribes.Channel;
 import org.apache.catalina.tribes.ChannelListener;
@@ -799,15 +800,20 @@ public class SimpleTcpCluster extends Li
     public void send(ClusterMessage msg, Member dest) {
         try {
             msg.setAddress(getLocalMember());
+            int sendOptions = channelSendOptions;
+            if (msg instanceof SessionMessage
+                    && ((SessionMessage)msg).getEventType() == SessionMessage.EVT_ALL_SESSION_DATA) {
+                sendOptions = Channel.SEND_OPTIONS_SYNCHRONIZED_ACK|Channel.SEND_OPTIONS_USE_ACK;
+            }
             if (dest != null) {
                 if (!getLocalMember().equals(dest)) {
-                    channel.send(new Member[] {dest}, msg,channelSendOptions);
+                    channel.send(new Member[] {dest}, msg, sendOptions);
                 } else
                     log.error("Unable to send message to local member " + msg);
             } else {
                 Member[] destmembers = channel.getMembers();
                 if (destmembers.length>0)
-                    channel.send(destmembers,msg,channelSendOptions);
+                    channel.send(destmembers,msg, sendOptions);
                 else if (log.isDebugEnabled()) 
                     log.debug("No members in cluster, ignoring message:"+msg);
             }

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=1359044&r1=1359043&r2=1359044&view=diff
==============================================================================
--- tomcat/tc7.0.x/trunk/webapps/docs/changelog.xml (original)
+++ tomcat/tc7.0.x/trunk/webapps/docs/changelog.xml Mon Jul  9 10:45:43 2012
@@ -86,6 +86,10 @@
         Investigations showed that this option had no effect for Cluster Channel
         Receivers it was removed. (markt)
       </fix>
+      <fix>
+        <bug>53513</bug>: Fix race condition between the processing of session
+        sync message and transfer complete message. (kfujino)
+      </fix>
     </changelog>
   </subsection>
   <subsection name="Web applications">



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