Bug 1007 - Statistics manager loses threads to uncaught exceptions

Change-Id: I214aa0ab2cd55428c7b1ae200e3419cf6a2abc87
Signed-off-by: Anil Vishnoi <avishnoi@in.ibm.com>

diff --git a/opendaylight/md-sal/statistics-manager/src/main/java/org/opendaylight/controller/md/statistics/manager/StatisticsRequestScheduler.java b/opendaylight/md-sal/statistics-manager/src/main/java/org/opendaylight/controller/md/statistics/manager/StatisticsRequestScheduler.java
index 0ae33b8c71fa93add1914d79c595c14538b0737f..29a27e2bb2a2cdfc85c7b49eada243bdc9f8a531 100644 (file)
--- a/opendaylight/md-sal/statistics-manager/src/main/java/org/opendaylight/controller/md/statistics/manager/StatisticsRequestScheduler.java
+++ b/opendaylight/md-sal/statistics-manager/src/main/java/org/opendaylight/controller/md/statistics/manager/StatisticsRequestScheduler.java
@@ -48,9 +48,13 @@ public class StatisticsRequestScheduler implements DataTransactionListener {
     private final TimerTask task = new TimerTask() {
         @Override
         public void run() {
-            long now = System.nanoTime();
-            if(now > lastRequestTime+TimeUnit.MILLISECONDS.toNanos(REQUEST_MONITOR_INTERVAL)){
-                requestStatistics();
+            try{
+                long now = System.nanoTime();
+                if(now > lastRequestTime+TimeUnit.MILLISECONDS.toNanos(REQUEST_MONITOR_INTERVAL)){
+                    requestStatistics();
+                }
+            }catch (IllegalArgumentException | IllegalStateException | NullPointerException e){
+                srsLogger.warn("Exception occured while sending statistics request : {}",e);
             }
         }
     };