Add specific serializer for SimpleReplicatedLogEntry

[controller.git] / opendaylight / md-sal / sal-akka-raft / src / main / java / org / opendaylight / controller / cluster / raft / behaviors / Follower.java

diff --git a/opendaylight/md-sal/sal-akka-raft/src/main/java/org/opendaylight/controller/cluster/raft/behaviors/Follower.java b/opendaylight/md-sal/sal-akka-raft/src/main/java/org/opendaylight/controller/cluster/raft/behaviors/Follower.java
index e1f440dace1dfb156f8ed8bdb29108bc7d3ff5a4..4fa0e161db16ffc2ada57fd52cc6af22ce8160fd 100644 (file)
--- a/opendaylight/md-sal/sal-akka-raft/src/main/java/org/opendaylight/controller/cluster/raft/behaviors/Follower.java
+++ b/opendaylight/md-sal/sal-akka-raft/src/main/java/org/opendaylight/controller/cluster/raft/behaviors/Follower.java
@@ -253,10 +253,13 @@ public class Follower extends AbstractRaftActorBehavior {
                 }
 
                 if (!context.getRaftPolicy().applyModificationToStateBeforeConsensus()) {
-                    log.info("{}: Removing entries from log starting at {}", logName(), matchEntry.getIndex());
+                    log.info("{}: Removing entries from log starting at {}, commitIndex: {}, lastApplied: {}",
+                            logName(), matchEntry.getIndex(), context.getCommitIndex(), context.getLastApplied());
 
-                    // Entries do not match so remove all subsequent entries
-                    if (!context.getReplicatedLog().removeFromAndPersist(matchEntry.getIndex())) {
+                    // Entries do not match so remove all subsequent entries but only if the existing entries haven't
+                    // been applied to the state yet.
+                    if (matchEntry.getIndex() <= context.getLastApplied()
+                            || !context.getReplicatedLog().removeFromAndPersist(matchEntry.getIndex())) {
                         // Could not remove the entries - this means the matchEntry index must be in the
                         // snapshot and not the log. In this case the prior entries are part of the state
                         // so we must send back a reply to force a snapshot to completely re-sync the