X-Git-Url: https://git.opendaylight.org/gerrit/gitweb?a=blobdiff_plain;f=openflowplugin-impl%2Fsrc%2Fmain%2Fjava%2Forg%2Fopendaylight%2Fopenflowplugin%2Fimpl%2Fconnection%2Flistener%2FSystemNotificationsListenerImpl.java;h=5f7a8e9d04d1decb93e6ccbbf9fb7cdf6858ce7c;hb=e8c5df4f582ceadbe6cfea719a2308cc26058e78;hp=1d5263a8a7af15d1f55d1f09f7425ea4fde43bcf;hpb=da5cf58ce1a5dd90aa84e2d5dd984d6cfa030a21;p=openflowplugin.git

diff --git a/openflowplugin-impl/src/main/java/org/opendaylight/openflowplugin/impl/connection/listener/SystemNotificationsListenerImpl.java b/openflowplugin-impl/src/main/java/org/opendaylight/openflowplugin/impl/connection/listener/SystemNotificationsListenerImpl.java
index 1d5263a8a7..5f7a8e9d04 100644
--- a/openflowplugin-impl/src/main/java/org/opendaylight/openflowplugin/impl/connection/listener/SystemNotificationsListenerImpl.java
+++ b/openflowplugin-impl/src/main/java/org/opendaylight/openflowplugin/impl/connection/listener/SystemNotificationsListenerImpl.java
@@ -11,6 +11,7 @@ import com.google.common.annotations.VisibleForTesting;
 import com.google.common.base.Preconditions;
 import java.net.InetSocketAddress;
 import java.util.Date;
+import java.util.Objects;
 import java.util.concurrent.Future;
 import java.util.concurrent.ThreadPoolExecutor;
 import java.util.concurrent.TimeUnit;
@@ -33,8 +34,10 @@ import org.slf4j.LoggerFactory;
  */
 public class SystemNotificationsListenerImpl implements SystemNotificationsListener {
 
-    private final ConnectionContext connectionContext;
     private static final Logger LOG = LoggerFactory.getLogger(SystemNotificationsListenerImpl.class);
+    private static final Xid ECHO_XID = new Xid(0L);
+
+    private final ConnectionContext connectionContext;
     @VisibleForTesting
     static final long MAX_ECHO_REPLY_TIMEOUT = 2000;
     private final long echoReplyTimeout;
@@ -71,14 +74,14 @@ public class SystemNotificationsListenerImpl implements SystemNotificationsListe
             connectionContext.changeStateToTimeouting();
             EchoInputBuilder builder = new EchoInputBuilder();
             builder.setVersion(features.getVersion());
-            Xid xid = new Xid(0L);
-            builder.setXid(xid.getValue());
+            builder.setXid(ECHO_XID.getValue());
 
             Future<RpcResult<EchoOutput>> echoReplyFuture = connectionContext.getConnectionAdapter().echo(builder.build());
 
             try {
                 RpcResult<EchoOutput> echoReplyValue = echoReplyFuture.get(echoReplyTimeout, TimeUnit.MILLISECONDS);
-                if (echoReplyValue.isSuccessful()) {
+                if (echoReplyValue.isSuccessful() &&
+                        Objects.equals(echoReplyValue.getResult().getXid(), ECHO_XID.getValue())) {
                     connectionContext.changeStateToWorking();
                     shouldBeDisconnected = false;
                 } else {