memberAlive is not called if member has not already existed in membership.

git-svn-id: https://svn.apache.org/repos/asf/tomcat/trunk@931061 13f79535-47bb-0310-9956-ffa450edef68

diff --git a/java/org/apache/catalina/tribes/group/interceptors/TcpFailureDetector.java b/java/org/apache/catalina/tribes/group/interceptors/TcpFailureDetector.java
index 5d8b354..f28476e 100644 (file)
--- a/java/org/apache/catalina/tribes/group/interceptors/TcpFailureDetector.java
+++ b/java/org/apache/catalina/tribes/group/interceptors/TcpFailureDetector.java
@@ -145,6 +145,11 @@ public class TcpFailureDetector extends ChannelInterceptorBase {
             if(log.isInfoEnabled())
                 log.info("Received memberDisappeared["+member+"] message. Will verify.");
         synchronized (membership) {
+            if (!membership.contains(member)) {
+                if(log.isInfoEnabled())
+                    log.info("Verification complete. Member already disappeared["+member+"]");
+                return;
+            }
             //check to see if the member really is gone
             //if the payload is not a shutdown message
             if (shutdown || !memberAlive(member)) {