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diff --git a/src/main/java/org/onap/dmaap/dmf/mr/backends/kafka/LockInstructionWatcher.java b/src/main/java/org/onap/dmaap/dmf/mr/backends/kafka/LockInstructionWatcher.java
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+/*******************************************************************************
+ * ============LICENSE_START=======================================================
+ * org.onap.dmaap
+ * ================================================================================
+ * Copyright © 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * http://www.apache.org/licenses/LICENSE-2.0
+*
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ *
+ * ECOMP is a trademark and service mark of AT&T Intellectual Property.
+ *
+ *******************************************************************************/
+package org.onap.dmaap.dmf.mr.backends.kafka;
+
+import java.util.List;
+
+import org.apache.curator.framework.CuratorFramework;
+import org.apache.zookeeper.WatchedEvent;
+import org.apache.zookeeper.Watcher;
+
+import com.att.eelf.configuration.EELFLogger;
+import com.att.eelf.configuration.EELFManager;
+
+/**
+ *
+ * LockInstructionWatcher
+ * A package-private class used internally by the KafkaLiveLockAvoider.
+ *
+ * This class implements the zookeeper Watcher callback and listens for changes on child nodes changing.
+ * Each child node is actually a Kafka group name that needs to be soft polled. Deletion of the child nodes
+ * after soft poll unlocking is finished.
+ *
+ *
+ */
+public class LockInstructionWatcher implements Watcher {
+
+ private CuratorFramework curatorFramework;
+ private LiveLockAvoidance avoidanceCallback;
+ private KafkaLiveLockAvoider2 avoider;
+
+ private static final EELFLogger log = EELFManager.getInstance().getLogger(LockInstructionWatcher.class.getName());
+
+
+ public LockInstructionWatcher(CuratorFramework curatorFramework, LiveLockAvoidance avoidanceCallback,
+ KafkaLiveLockAvoider2 avoider) {
+ super();
+ this.curatorFramework = curatorFramework;
+ this.avoidanceCallback = avoidanceCallback;
+ this.avoider = avoider;
+ }
+
+
+ @Override
+ public void process(WatchedEvent event) {
+
+ switch (event.getType()) {
+ case NodeChildrenChanged:
+
+
+ try {
+
+ log.info("node children changed at path: {}", event.getPath());
+
+ List<String> children = curatorFramework.getChildren().forPath(event.getPath());
+
+ log.info("found children nodes prodcessing now");
+ for (String child : children) {
+ String childPath = String.format("%s/%s", event.getPath(), child);
+ log.info("Processing child task at node {}",childPath);
+ avoidanceCallback.handleRebalanceUnlock( child);
+ log.info("Deleting child task at node {}",childPath);
+ curatorFramework.delete().forPath(childPath);
+ }
+ //reset the watch with the avoider
+ avoider.assignNewProcessNode(avoidanceCallback.getAppId(), this);
+
+
+ } catch (Exception e) {
+ log.error("Error manipulating ZNode data in watcher",e);
+ }
+
+ break;
+
+ default:
+ log.info("Listner fired on path: {}, with event: {}", event.getPath(), event.getType());
+ break;
+ }
+ }
+
+
+}