# io.openvidu.client.OpenViduException: No connection found for participant with privateId **URL:** \ **Category:** Issues developing apps\ **Tags:** v2\ **Created:** [August 10, 2020, 7:38am UTC](https://openvidu.discourse.group/t/io-openvidu-client-openviduexception-no-connection-found-for-participant-with-privateid/1764 "2020-08-10T07:38:57Z")\ **Posts on this page:** 2\ **Page:** 1
**Author:** ![Jimahn.Park](https://avatars.discourse-cdn.com/v4/letter/j/779978/32.png) [@Jimahn.Park](https://openvidu.discourse.group/u/Jimahn.Park)\ **Post date:** [August 10, 2020, 7:38am UTC](https://openvidu.discourse.group/t/io-openvidu-client-openviduexception-no-connection-found-for-participant-with-privateid/1764/1 "2020-08-10T07:38:57Z")
My servers setting is Openvidu version: 2.14 media-server:6.13.2 CERTIFICATE\_TYPE=owncert OPENVIDU\_PRO\_CLUSTER\_MODE=manual OPENVIDU\_PRO\_CLUSTER\_ENVIRONMENT=on\_premise OPENVIDU\_PRO\_CLUSTER\_LOAD\_STRATEGY=streams i got the error message after openvidu restarted. but the service is ok. I wonder if I don’t have to mind this kind of error message or what to do? openvidu-server\_1 | \_\_\_\_ \_\_ \_\_\_ \_ openvidu-server\_1 | / \_\_ \ \ \ / (_) | | openvidu-server\_1 | | | | |_ \_\_ \_\_\_ \_ _\ \ / / \_ | | \_ \_\_\_ openvidu-server\_1 | | | | | ’ \ / \_ \ ’_ \ / / | |/ _` | | | | | \_ \_ \_ \_\_\_ openvidu-server\_1 | | |\_\_| | |_) | **/ | | \ / | | (_| | |_| | | _/ '_/ \_ openvidu-server\_1 | \_**_/| . __/ \___ || ||/ ||\_,|\_,| || || \_\_/ openvidu-server\_1 | | | openvidu-server\_1 | |_| version 2.14.0 openvidu-server\_1 | \_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_ openvidu-server\_1 | openvidu-server\_1 | [WARN] 2020-08-10 06:47:23,906 [rbeatExec-e1-t0] org.kurento.jsonrpc.client.JsonRpcClient - [KurentoClient] Error sending heartbeat to server. Exception: [KurentoClient] Interrupted while waiting for a response openvidu-server\_1 | [WARN] 2020-08-10 06:47:23,921 [rbeatExec-e1-t0] org.kurento.jsonrpc.client.JsonRpcClient - [KurentoClient] Stopping heartbeat and closing client: failure during heartbeat mechanism openvidu-server\_1 | [WARN] 2020-08-10 06:47:23,928 [main] org.kurento.jsonrpc.client.AbstractJsonRpcClientWebSocket - [KurentoClient] Exception sending close message. org.kurento.jsonrpc.JsonRpcErrorException:‘params’ is requiered. Code: -32602. Data: {“type”:“INVALID\_PARAMS”} openvidu-server\_1 | [WARN] 2020-08-10 06:47:23,956 [main] org.kurento.jsonrpc.client.AbstractJsonRpcClientWebSocket - [KurentoClient] Exception sending close message. org.kurento.jsonrpc.JsonRpcClientClosedException:Trying to send a message in a client closed explicitly. When a client is closed, it can’t be reused. It is necessary to create another one openvidu-server\_1 | [WARN] 2020-08-10 06:47:23,957 [main] org.kurento.jsonrpc.client.JsonRpcClientNettyWebSocket - [KurentoClient] Trying to close a JsonRpcClientNettyWebSocket with channel == null openvidu-server\_1 | [WARN] 2020-08-10 06:47:23,957 [main] org.kurento.jsonrpc.client.JsonRpcClientNettyWebSocket - [KurentoClient] Trying to close a JsonRpcClientNettyWebSocket with group == null openvidu-server\_1 | [WARN] 2020-08-10 06:47:23,968 [rbeatExec-e2-t0] org.kurento.jsonrpc.client.JsonRpcClient - [KurentoClient] Error sending heartbeat to server. Exception: [KurentoClient] Interrupted while waiting for a response openvidu-server\_1 | [WARN] 2020-08-10 06:47:23,969 [rbeatExec-e2-t0] org.kurento.jsonrpc.client.JsonRpcClient - [KurentoClient] Stopping heartbeat and closing client: failure during heartbeat mechanism openvidu-server\_1 | [WARN] 2020-08-10 06:47:23,969 [main] org.kurento.jsonrpc.client.AbstractJsonRpcClientWebSocket - [KurentoClient] Exception sending close message. org.kurento.jsonrpc.JsonRpcErrorException:‘params’ is requiered. Code: -32602. Data: {“type”:“INVALID\_PARAMS”} openvidu-server\_1 | [WARN] 2020-08-10 06:47:23,970 [ntLoopGroup-3-1] org.kurento.jsonrpc.internal.ws.PendingRequests - Received response {“id”:1,“result”:{“value”:“pong”},“jsonrpc”:“2.0”} with an id not registered as pending request. Maybe the request timed out openvidu-server\_1 | [WARN] 2020-08-10 06:47:23,985 [main] org.kurento.jsonrpc.client.AbstractJsonRpcClientWebSocket - [KurentoClient] Exception sending close message. org.kurento.jsonrpc.JsonRpcClientClosedException:Trying to send a message in a client closed explicitly. When a client is closed, it can’t be reused. It is necessary to create another one openvidu-server\_1 | [WARN] 2020-08-10 06:47:23,985 [main] org.kurento.jsonrpc.client.JsonRpcClientNettyWebSocket - [KurentoClient] Trying to close a JsonRpcClientNettyWebSocket with channel == null openvidu-server\_1 | [WARN] 2020-08-10 06:47:23,985 [main] org.kurento.jsonrpc.client.JsonRpcClientNettyWebSocket - [KurentoClient] Trying to close a JsonRpcClientNettyWebSocket with group == null openvidu-server\_1 | [WARN] 2020-08-10 06:47:24,005 [main] org.kurento.jsonrpc.client.AbstractJsonRpcClientWebSocket - [KurentoClient] Exception sending close message. org.kurento.jsonrpc.JsonRpcErrorException:‘params’ is requiered. Code: -32602. Data: {“type”:“INVALID\_PARAMS”} openvidu-server\_1 | [WARN] 2020-08-10 06:47:24,006 [rbeatExec-e3-t0] org.kurento.jsonrpc.client.JsonRpcClient - [KurentoClient] Error sending heartbeat to server. Exception: InterruptedException while trying to acquire lock openvidu-server\_1 | [WARN] 2020-08-10 06:47:24,006 [rbeatExec-e3-t0] org.kurento.jsonrpc.client.JsonRpcClient - [KurentoClient] Stopping heartbeat and closing client: failure during heartbeat mechanism openvidu-server\_1 | [WARN] 2020-08-10 06:47:24,020 [main] org.kurento.jsonrpc.client.AbstractJsonRpcClientWebSocket - [KurentoClient] Exception sending close message. org.kurento.jsonrpc.JsonRpcClientClosedException:Trying to send a message in a client closed explicitly. When a client is closed, it can’t be reused. It is necessary to create another one openvidu-server\_1 | [WARN] 2020-08-10 06:47:24,020 [main] org.kurento.jsonrpc.client.JsonRpcClientNettyWebSocket - [KurentoClient] Trying to close a JsonRpcClientNettyWebSocket with channel == null openvidu-server\_1 | [WARN] 2020-08-10 06:47:24,020 [main] org.kurento.jsonrpc.client.JsonRpcClientNettyWebSocket - [KurentoClient] Trying to close a JsonRpcClientNettyWebSocket with group == null openvidu-server\_1 | [WARN] 2020-08-10 06:47:24,021 [main] io.openvidu.server.pro.OpenViduServerPro - You have set property server.port (or SERVER\_PORT). This will serve OpenVidu Server Pro on your host at port 5443. But property HTTPS\_PORT (443) still configures the port that should be used to connect to OpenVidu Server from outside. Bear this in mind when configuring a proxy in front of OpenVidu Server openvidu-server\_1 | [WARN] 2020-08-10 06:47:25,524 [main] io.openvidu.server.pro.OpenViduServerPro - OpenVidu Pro cluster mode is ‘manual’. There will be no automatic instances management openvidu-server\_1 | [ERROR] 2020-08-10 06:47:27,329 [main] io.openvidu.server.coturn.CoturnCredentialsService - COTURN DB is not empty openvidu-server\_1 | [WARN] 2020-08-10 06:56:28,514 [0.0-5443-exec-7] org.kurento.jsonrpc.internal.server.PingWatchdogManager - Received first ping request without ‘interval’ openvidu-server\_1 | [ERROR] 2020-08-10 06:56:28,514 [0.0-5443-exec-7] org.kurento.jsonrpc.internal.ws.JsonRpcWebSocketHandler - Trying to send a message to a closed session openvidu-server\_1 | [WARN] 2020-08-10 06:56:28,515 [eo7elrdb-e37-t0] io.openvidu.server.rpc.RpcHandler - No connection found for participant with privateId 4dvmlfq6ukf4ek4apmeo7elrdb when trying to execute method ‘sendMessage’. Method ‘Session.connect()’ must be the first operation called in any session openvidu-server\_1 | [ERROR] 2020-08-10 06:56:28,517 [eo7elrdb-e37-t0] org.kurento.jsonrpc.internal.JsonRpcHandlerManager - Exception while processing request {“id”:49,“method”:“sendMessage”,“params”:{“message”:"{“to”:[],“data”:"{\“type\”:\“textbook\_page\_confirm\”,\“confUuid\”:\“1049f407268b8831d8d469d734d0029298edd25726e2c8\”,\“imageSaveKey\”:\“1049f407268b8831d8d469d734d0029298edd25726e2c8:W1/writing/B:31\”,\“pagePath\”:31}",“type”:“signal:textbook\_page\_confirm”}"},“jsonrpc”:“2.0”} openvidu-server\_1 | io.openvidu.client.OpenViduException: No connection found for participant with privateId 4dvmlfq6ukf4ek4apmeo7elrdb. Method ‘Session.connect()’ must be the first operation called in any session. Code: 803 openvidu-server\_1 | at io.openvidu.server.rpc.RpcHandler.handleRequest(RpcHandler.java:98) openvidu-server\_1 | at org.kurento.jsonrpc.internal.JsonRpcHandlerManager.handleRequest(JsonRpcHandlerManager.java:142) openvidu-server\_1 | at org.kurento.jsonrpc.internal.server.ProtocolManager$3.run(ProtocolManager.java:218) openvidu-server\_1 | at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) openvidu-server\_1 | at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) openvidu-server\_1 | at java.lang.Thread.run(Thread.java:748) openvidu-server\_1 | [ERROR] 2020-08-10 06:56:28,517 [eo7elrdb-e37-t0] org.kurento.jsonrpc.internal.ws.JsonRpcWebSocketHandler - Trying to send a message to a closed session ---
**Author:** ![micael.gallego](https://yyz2.discourse-cdn.com/free1/user_avatar/openvidu.discourse.group/micael.gallego/32/2_2.png) [@micael.gallego](https://openvidu.discourse.group/u/micael.gallego)\ **Post date:** [August 11, 2020, 8:10am UTC](https://openvidu.discourse.group/t/io-openvidu-client-openviduexception-no-connection-found-for-participant-with-privateid/1764/2 "2020-08-11T08:10:28Z")
Please update to latest version (2.15 in this moment).