From 6b47046bdbb29fcc57bd0032f7deb6add4efccf7 Mon Sep 17 00:00:00 2001
From: Mike Lohmann <mike@elbstack.com>
Date: Tue, 7 May 2019 23:12:00 +0200
Subject: [PATCH] Issue #1686 Add registerSyncSession to case
 TO_SERVER_RPC_REQUEST to enable CoAP RPC Server request calls.

---
 .../server/transport/coap/CoapTransportResource.java            | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/common/transport/coap/src/main/java/org/thingsboard/server/transport/coap/CoapTransportResource.java b/common/transport/coap/src/main/java/org/thingsboard/server/transport/coap/CoapTransportResource.java
index 4392a04d2a..705e7178e0 100644
--- a/common/transport/coap/src/main/java/org/thingsboard/server/transport/coap/CoapTransportResource.java
+++ b/common/transport/coap/src/main/java/org/thingsboard/server/transport/coap/CoapTransportResource.java
@@ -192,6 +192,7 @@ public class CoapTransportResource extends CoapResource {
                                         new CoapOkCallback(exchange));
                                 break;
                             case TO_SERVER_RPC_REQUEST:
+                                transportService.registerSyncSession(sessionInfo, new CoapSessionListener(sessionId, exchange), transportContext.getTimeout());
                                 transportService.process(sessionInfo,
                                         transportContext.getAdaptor().convertToServerRpcRequest(sessionId, request),
                                         new CoapNoOpCallback(exchange));
@@ -392,6 +393,7 @@ public class CoapTransportResource extends CoapResource {
         @Override
         public void onToServerRpcResponse(TransportProtos.ToServerRpcResponseMsg msg) {
             try {
+                log.info("onToServerRpcResponse called");
                 exchange.respond(transportContext.getAdaptor().convertToPublish(this, msg));
             } catch (AdaptorException e) {
                 log.trace("Failed to reply due to error", e);