diff --git a/asterix-events/src/main/resources/events/node_failure/nc_failure.sh b/asterix-events/src/main/resources/events/node_failure/nc_failure.sh
index 3ca083c..3b7332e 100755
--- a/asterix-events/src/main/resources/events/node_failure/nc_failure.sh
+++ b/asterix-events/src/main/resources/events/node_failure/nc_failure.sh
@@ -5,3 +5,12 @@
 PID_INFO=`ps -ef |  grep asterix | grep -v grep | grep -v nc_join |  grep $PARENT_ID`
 PID=`echo $PID_INFO | cut -d " " -f2`
 kill -15 $PID
+
+cmd_output=`$(jps|grep $PID) | wc -l`
+while [ "$cmd_output" -ne 0 ]
+do
+  sleep 1
+  echo "attempt to kill"
+  kill -15 $PID
+  cmd_output=$(jps|grep $PID) | wc -l
+done
diff --git a/asterix-installer/src/main/java/edu/uci/ics/asterix/installer/command/StopCommand.java b/asterix-installer/src/main/java/edu/uci/ics/asterix/installer/command/StopCommand.java
index 0e10414..dfd8c5e 100644
--- a/asterix-installer/src/main/java/edu/uci/ics/asterix/installer/command/StopCommand.java
+++ b/asterix-installer/src/main/java/edu/uci/ics/asterix/installer/command/StopCommand.java
@@ -40,19 +40,24 @@
         AsterixInstance asterixInstance = InstallerUtil.validateAsterixInstanceExists(asterixInstanceName,
                 State.ACTIVE, State.UNUSABLE);
         PatternCreator pc = new PatternCreator();
-        List<Pattern> patternsToExecute = new ArrayList<Pattern>();
-        patternsToExecute.add(pc.createCCStopPattern(asterixInstance.getCluster().getMasterNode().getId()));
-
-        for (Node node : asterixInstance.getCluster().getNode()) {
-            patternsToExecute.add(pc.createNCStopPattern(node.getId(), asterixInstanceName + "_" + node.getId()));
-        }
         EventrixClient client = InstallerUtil.getEventrixClient(asterixInstance.getCluster());
+
+        List<Pattern> ncKillPatterns = new ArrayList<Pattern>();
+        for (Node node : asterixInstance.getCluster().getNode()) {
+            ncKillPatterns.add(pc.createNCStopPattern(node.getId(), asterixInstanceName + "_" + node.getId()));
+        }
+
+        List<Pattern> ccKillPatterns = new ArrayList<Pattern>();
+        ccKillPatterns.add(pc.createCCStopPattern(asterixInstance.getCluster().getMasterNode().getId()));
+
         try {
-            client.submit(new Patterns(patternsToExecute));
+            client.submit(new Patterns(ncKillPatterns));
+            client.submit(new Patterns(ccKillPatterns));
         } catch (Exception e) {
             // processes are already dead
             LOGGER.debug("Attempt to kill non-existing processess");
         }
+
         asterixInstance.setState(State.INACTIVE);
         asterixInstance.setStateChangeTimestamp(new Date());
         ServiceProvider.INSTANCE.getLookupService().updateAsterixInstance(asterixInstance);