diff --git a/Docker/Dockerfile b/Docker/Dockerfile
index 83a1651..a55095c 100644
--- a/Docker/Dockerfile
+++ b/Docker/Dockerfile
@@ -78,7 +78,7 @@ RUN sudo sed -i -e 's/# en_US.UTF-8 UTF-8/en_US.UTF-8 UTF-8/' /etc/locale.gen &&
 
 ENV LANG en_US.UTF-8
 
-RUN echo 32
+RUN echo 37
 
 COPY daemons/snetd_topic_kovan.json /home/top/daemons/kovan/
 COPY daemons/snetd_topic_ropsten.json /home/top/daemons/ropsten/
@@ -92,7 +92,7 @@ COPY supervisor/supervisord.conf /etc/supervisor/
 
 WORKDIR /home/top/dep
 
-
+#USER root
 
 # Can be uncommented for local docker building
 
diff --git a/Docker/supervisor/kovand.conf b/Docker/supervisor/kovand.conf
index 598e74a..589c0cd 100644
--- a/Docker/supervisor/kovand.conf
+++ b/Docker/supervisor/kovand.conf
@@ -3,9 +3,9 @@ logfile=/dev/null
 nodaemon=true
 
 [program:kovand]
-command=./serve --config /home/top/daemons/kovan/snetd_topic_kovan.json
-directory=/home/top/daemons/kovan/snetd
-user=top
+command=/home/top/daemons/kovan/snetd serve --config /home/top/daemons/kovan/snetd_topic_kovan.json
+;directory=/home/top/daemons/kovan
+user=root
 autostart=true
 autorestart=true
 stdout_logfile=/dev/stdout
diff --git a/Docker/supervisor/ropstend.conf b/Docker/supervisor/ropstend.conf
index 7725ad9..d874772 100644
--- a/Docker/supervisor/ropstend.conf
+++ b/Docker/supervisor/ropstend.conf
@@ -3,9 +3,9 @@ logfile=/dev/null
 nodaemon=true
 
 [program:ropstend]
-command=./serve --config /home/top/daemons/ropsten/snetd_topic_ropsten.json
-directory=/home/top/daemons/ropsten/snetd
-user=top
+command=/home/top/daemons/ropsten/snetd serve --config /home/top/daemons/ropsten/snetd_topic_ropsten.json
+;directory=/home/top/daemons/ropsten
+user=root
 autostart=true
 autorestart=true
 stdout_logfile=/dev/stdout
diff --git a/snet_test_client.py b/snet_test_client.py
index 74da4b4..abd6c65 100644
--- a/snet_test_client.py
+++ b/snet_test_client.py
@@ -115,7 +115,8 @@ def try_plsa_2():
 if __name__ == '__main__':
 
     # try_plsa()
-    try_plsa_2()
+    print(sample_data_2())
+    # try_plsa_2()
     # csv_reader()
 
 
diff --git a/topic_analysis_grpc.py b/topic_analysis_grpc.py
index b60c025..48c68db 100644
--- a/topic_analysis_grpc.py
+++ b/topic_analysis_grpc.py
@@ -47,29 +47,43 @@ def PLSA(self,request,context):
         param_error = False
         message = ''
 
-        if len(docs) < 2:
-            message = 'Length of docs should be at least two'
-            param_error =True
+        try :
 
-        if topic_divider < 0:
-            param_error = True
-            message = 'topic_divider parameter can not be a negative nubmer'
+            if len(docs) < 2:
+                message = 'Length of docs should be at least two'
+                param_error =True
 
-        if topic_divider == 0 and num_topics < 2:
-            param_error = True
-            message = 'Number of topics should be at least two'
+            if topic_divider < 0:
+                param_error = True
+                message = 'topic_divider parameter can not be a negative nubmer'
 
-        if maxiter < 0:
-            param_error = True
-            message = 'maxiter should be greater than zero'
+            if topic_divider == 0 and num_topics < 2:
+                param_error = True
+                message = 'Number of topics should be at least two'
 
-        if beta < 0 or beta > 1:
-            param_error = True
-            message = 'beta should have value of (0,1]'
+            if maxiter < 0:
+                param_error = True
+                message = 'maxiter should be greater than zero'
 
+            if beta < 0 or beta > 1:
+                param_error = True
+                message = 'beta should have value of (0,1]'
 
-        if param_error:
-            return topic_analysis_pb2.PLSAResponse(status=False, message=message)
+
+            if param_error:
+                print(time.strftime("%c"))
+                print('Waiting for next call on port 5000.')
+                raise grpc.RpcError(grpc.StatusCode.UNKNOWN, message)
+
+
+        except Exception as e:
+
+            logging.exception("message")
+
+            print(time.strftime("%c"))
+            print('Waiting for next call on port 5000.')
+
+            raise grpc.RpcError(grpc.StatusCode.UNKNOWN, str(e))
 
 
 
@@ -95,13 +109,10 @@ def PLSA(self,request,context):
 
             logging.exception("message")
 
-            resp = topic_analysis_pb2.PLSAResponse(status=False, message=str(e))
-
-            print('status:', resp.status)
-            print('message:', resp.message)
+            print(time.strftime("%c"))
             print('Waiting for next call on port 5000.')
 
-            return resp
+            raise grpc.RpcError(grpc.StatusCode.UNKNOWN, str(e))
 
 
 def generate_topics_plsa(docs,unique_folder_naming,num_topics,topic_divider,maxiter,beta):