diff --git a/src/master/taskmgr.py b/src/master/taskmgr.py
index d4290fe..f7b9ce4 100644
--- a/src/master/taskmgr.py
+++ b/src/master/taskmgr.py
@@ -32,7 +32,8 @@ class TaskReporter(MasterServicer):
         self.taskmgr = taskmgr
 
     def report(self, request, context):
-        self.taskmgr.on_task_report(request)
+        for task_report in request.taskmsgs:
+            self.taskmgr.on_task_report(task_report)
         return Reply(status=Reply.ACCEPTED, message='')
 
 
@@ -107,6 +108,7 @@ class TaskMgr(threading.Thread):
             self.cpu_usage[instance['worker']] -= task.info.cluster.instance.cpu
 
         instance['status'] = report.instanceStatus
+        instance['error_msg'] = report.errmsg
         instance['last_update_time'] = time.time()
 
         if report.instanceStatus == COMPLETED:
@@ -114,6 +116,8 @@ class TaskMgr(threading.Thread):
         elif report.instanceStatus == FAILED or report.instanceStatus == TIMEOUT:
             if instance['try_count'] > task.info.maxRetryCount:
                 self.check_task_completed(task)
+        elif report.instanceStatus == OUTPUTERROR:
+            task_failed(task)
 
 
     def check_task_completed(self, task):
@@ -128,21 +132,39 @@ class TaskMgr(threading.Thread):
                     failed = True
                 else:
                     return
-        if self.jobmgr is None:
-            self.logger.error('[check_task_completed] jobmgr is None!')
-            return
+            if instance['status'] == OUTPUTERROR:
+                failed = True
+                break
+
         if failed:
-            # TODO tell jobmgr task failed
-            task.status = FAILED
-            self.jobmgr.report(task)
+            self.task_failed(task)
+        else:
+            self.task_completed(task)
+
+
+    def task_completed(self, task):
+        task.status = COMPLETED
+
+        if self.jobmgr is None:
+            self.logger.error('[task_completed] jobmgr is None!')
         else:
-            # TODO tell jobmgr task completed
-            task.status = COMPLETED
             self.jobmgr.report(task)
         self.logger.info('task %s completed' % task.info.id)
         self.task_queue.remove(task)
 
 
+    def task_failed(self, task):
+        task.status = FAILED
+
+        if self.jobmgr is None:
+            self.logger.error('[task_failed] jobmgr is None!')
+        else:
+            self.jobmgr.report(task)
+        self.logger.info('task %s failed' % task.info.id)
+        self.task_queue.remove(task)
+
+
+
     def task_processor(self, task, instance_id, worker_ip):
         task.status = RUNNING
 
diff --git a/src/master/testTaskMgr.py b/src/master/testTaskMgr.py
index fefb058..23207f8 100644
--- a/src/master/testTaskMgr.py
+++ b/src/master/testTaskMgr.py
@@ -154,7 +154,7 @@ def report(taskid, instanceid, status, token):
 	master_port = env.getenv('BATCH_MASTER_PORT')
 	channel = grpc.insecure_channel('%s:%s' % ('0.0.0.0', master_port))
 	stub = MasterStub(channel)
-	response = stub.report(TaskMsg(taskid=taskid, instanceid=instanceid, instanceStatus=status, token=token))
+	response = stub.report(ReportMsg(taskmsgs=TaskMsg(taskid=taskid, instanceid=instanceid, instanceStatus=status, token=token)))
 
 
 def stop():