private void handleRegionDestroyed(Map<InternalDistributedMember, RegionCommitList> msgMap) {
      if (regionExceptions.isEmpty()) {
        return;
      }

      for (Map.Entry<InternalDistributedMember, RegionCommitList> memberMap : msgMap.entrySet()) {
        InternalDistributedMember member = memberMap.getKey();
        RegionCommitList rcl = memberMap.getValue();
        for (RegionCommit region : rcl) {
          Set<InternalDistributedMember> failedMembers =
              regionExceptions.get(region.internalRegion.getFullPath());
          if (failedMembers != null && failedMembers.contains(member)) {
            markMemberOffline(member, region);
          }
        }
      }

    }
Mark peers as offline for regions that the peer returned a RegionDestroyedException
geode-core/src/main/java/org/apache/geode/internal/cache/TXCommitMessage.java