DashBoard data upload failure causes summary failure
As described in #4896 , It should not prevent the summary to be done. It should fail, let ops know in INFO log level and proceed to summary.

Not urgent as no one besides replays is really using it and Dirk's patch in #4896 fixes it if the dashbURL is None.

diff --git a/src/python/WMComponent/TaskArchiver/TaskArchiverPoller.py b/src/python/WMComponent/TaskArchiver/TaskArchiverPoller.py
index a1651f590..59ff4e8a0 100644
--- a/src/python/WMComponent/TaskArchiver/TaskArchiverPoller.py
+++ b/src/python/WMComponent/TaskArchiver/TaskArchiverPoller.py
@@ -948,9 +948,10 @@ class TaskArchiverPoller(BaseWorkerThread):
             worthPoints = {}
             for run in runList :
                 responseJSON = self.getPerformanceFromDQM(self.dqmUrl, dataset, run)
-                worthPoints.update(self.filterInterestingPerfPoints(responseJSON,
-                                                                     self.perfDashBoardMinLumi,
-                                                                     self.perfDashBoardMaxLumi))
+                if responseJSON:                
+                    worthPoints.update(self.filterInterestingPerfPoints(responseJSON,
+                                                                         self.perfDashBoardMinLumi,
+                                                                         self.perfDashBoardMaxLumi))
                             
             # Publish dataset performance to DashBoard.
             if self.publishPerformanceDashBoard(self.dashBoardUrl, PD, release, worthPoints) == False:
@@ -976,16 +977,28 @@ class TaskArchiverPoller(BaseWorkerThread):
         dqmPath = regExpResult.group(2)
         
         connection = httplib.HTTPSConnection(dqmHost, 443, hostKey, hostCert)
-        connection.request('GET', dqmPath)
-        response = connection.getresponse()
-        responseData = response.read()
-        responseJSON = json.loads(responseData)
-        if not responseJSON["hist"]["bins"].has_key("content") :
-            logging.info("Actually got a JSON from DQM perf in for %s run %d  , but content was bad, Bailing out"
+        try:
+            connection.request('GET', dqmPath)
+            response = connection.getresponse()
+            responseData = response.read()
+            responseJSON = json.loads(responseData)
+            if response.status != 200 :
+                logging.info("Something went wrong while fetching Reco performance from DQM, response code %d " % response.code)
+                return False
+        except Exception, ex:
+            logging.error('Couldnt fetch DQM Performance data for dataset %s , Run %s' % (dataset, run))
+            logging.exception(ex) #Let's print the stacktrace with generic Exception
+            return False     
+
+        try:
+            if responseJSON["hist"]["bins"].has_key("content"):
+                return responseJSON
+        except Exception, ex:                    
+            logging.info("Actually got a JSON from DQM perf in for %s run %d , but content was bad, Bailing out"
                          % (dataset, run))
             return False
-        logging.debug("We have the performance curve")
-        return responseJSON
+        # If it gets here before returning False or responseJSON, it went wrong    
+        return False
     
     def filterInterestingPerfPoints(self, responseJSON, minLumi, maxLumi):
         worthPoints = {}
@@ -1023,14 +1036,18 @@ class TaskArchiverPoller(BaseWorkerThread):
         
         logging.debug("Going to upload this payload %s" % data)
         
-        request = urllib2.Request(dashBoardUrl, data, headers)
-        response = urllib2.urlopen(request)
-        
-        if response.code != 200 :
-            logging.info("Something went wrong while uploading to DashBoard, response code %d " % response.code)
-            return False
-        logging.debug("Uploaded it successfully, apparently")
-        
+        try:
+            request = urllib2.Request(dashBoardUrl, data, headers)
+            response = urllib2.urlopen(request)
+            if response.code != 200 :
+                logging.info("Something went wrong while uploading to DashBoard, response code %d " % response.code)
+                return False
+        except Exception, ex:
+            logging.error('Performance data : DashBoard upload failed for PD %s Release %s' % (PD, release))
+            logging.exception(ex) #Let's print the stacktrace with generic Exception
+            return False        
+
+        logging.debug("Uploaded it successfully, apparently")        
         return True
 
     def createAndUploadPublish(self, workflow):
['src/python/WMComponent/TaskArchiver/TaskArchiverPoller.py']