{"action":"created","issue":{"url":"https://api.github.com/repos/eclipse/californium/issues/235","repository_url":"https://api.github.com/repos/eclipse/californium","labels_url":"https://api.github.com/repos/eclipse/californium/issues/235/labels{/name}","comments_url":"https://api.github.com/repos/eclipse/californium/issues/235/comments","events_url":"https://api.github.com/repos/eclipse/californium/issues/235/events","html_url":"https://github.com/eclipse/californium/issues/235","id":212684240,"number":235,"title":"DTLS connection - Client can not receive response from CoAP server/ Not blocking until response arrive","user":{"login":"i25959341","id":10365131,"avatar_url":"https://avatars3.githubusercontent.com/u/10365131?v=3","gravatar_id":"","url":"https://api.github.com/users/i25959341","html_url":"https://github.com/i25959341","followers_url":"https://api.github.com/users/i25959341/followers","following_url":"https://api.github.com/users/i25959341/following{/other_user}","gists_url":"https://api.github.com/users/i25959341/gists{/gist_id}","starred_url":"https://api.github.com/users/i25959341/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/i25959341/subscriptions","organizations_url":"https://api.github.com/users/i25959341/orgs","repos_url":"https://api.github.com/users/i25959341/repos","events_url":"https://api.github.com/users/i25959341/events{/privacy}","received_events_url":"https://api.github.com/users/i25959341/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":5,"created_at":"2017-03-08T09:40:37Z","updated_at":"2017-03-08T16:27:46Z","closed_at":null,"body":"Dear Californium developer,\r\n\r\nI currently have a CoAP backend that works perfectly in our local computer and now installing them into the devices itself for testing, basically the set-up involves a CoAP client sending a empty PUT request to a CoAP server with a DTLS connector.\r\n\r\nUnfortunately, it seems like most of the packets are lost and the client are retransmitting the packets a lot. The server has no problem receiving the message from the client after the several transmission, however the client was never able to receive a response from the server thus not knowing whether the PUT request was successful.\r\n\r\nThanks, Karlson\r\n\r\nClient log\r\n```\r\nFeb 28, 2017 8:24:37 PM org.eclipse.californium.core.network.config.NetworkConfig createStandardWithFile\r\nINFO: Loading standard properties from file Californium.properties\r\nFeb 28, 2017 8:24:38 PM org.eclipse.californium.core.network.CoapEndpoint start\r\nINFO: Starting endpoint at 0.0.0.0/0.0.0.0:0\r\n 1 CONFIG [DTLSConnector]: Cannot determine MTU of network interface, using minimum MTU [1280] of IPv6 instead - (org.eclipse.californium.scandium.DTLSConnector.java:331) start() in thread main at (2017-02-28 20:24:38)\r\n 9 CONFIG [DTLSConnector$Worker]: Starting worker thread [DTLS-Receiver-0.0.0.0/0.0.0.0:41292] - (org.eclipse.californium.scandium.DTLSConnector$Worker.java:-1) run() in thread DTLS-Receiver-0.0.0.0/0.0.0.0:41292 at (2017-02-28 20:24:38)\r\n 8 CONFIG [DTLSConnector$Worker]: Starting worker thread [DTLS-Sender-0.0.0.0/0.0.0.0:41292] - (org.eclipse.californium.scandium.DTLSConnector$Worker.java:-1) run() in thread DTLS-Sender-0.0.0.0/0.0.0.0:41292 at (2017-02-28 20:24:38)\r\n 1 INFO [DTLSConnector]: DTLS connector listening on [0.0.0.0/0.0.0.0:41292] with MTU [1,280] using (inbound) datagram buffer size [16,474 bytes] - (org.eclipse.californium.scandium.DTLSConnector.java:281) start() in thread main at (2017-02-28 20:24:38)\r\nFeb 28, 2017 8:24:38 PM org.eclipse.californium.core.CoapClient setEndpoint\r\nINFO: Started set client endpoint 0.0.0.0/0.0.0.0:41292\r\nFeb 28, 2017 8:24:38 PM detector.Service start\r\nINFO: Starting AlertService\r\nFeb 28, 2017 8:24:39 PM detector.AlertService run\r\nINFO: Running AlertService\r\nFeb 28, 2017 8:24:39 PM detector.AlertService run\r\nINFO: Alert Thread: AlertService, \r\nFeb 28, 2017 8:24:39 PM detector.AlertService run\r\nINFO: coaps://bubblegum.home/alert\r\n 8 FINE [Connection]: Handshake with [bubblegum.home/10.235.68.101:5684] has been started - (org.eclipse.californium.scandium.dtls.Connection.java:831) handshakeStarted() in thread DTLS-Sender-0.0.0.0/0.0.0.0:41292 at (2017-02-28 20:24:40)\r\n 8 FINE [ECDHECryptography$SupportedGroup]: Group [brainpoolP256r1] is not supported by JRE - (org.eclipse.californium.scandium.dtls.cipher.ECDHECryptography$SupportedGroup.java:373) <init>() in thread DTLS-Sender-0.0.0.0/0.0.0.0:41292 at (2017-02-28 20:24:41)\r\n 8 FINE [ECDHECryptography$SupportedGroup]: Group [brainpoolP384r1] is not supported by JRE - (org.eclipse.californium.scandium.dtls.cipher.ECDHECryptography$SupportedGroup.java:381) <init>() in thread DTLS-Sender-0.0.0.0/0.0.0.0:41292 at (2017-02-28 20:24:41)\r\n 8 FINE [ECDHECryptography$SupportedGroup]: Group [brainpoolP512r1] is not supported by JRE - (org.eclipse.californium.scandium.dtls.cipher.ECDHECryptography$SupportedGroup.java:389) <init>() in thread DTLS-Sender-0.0.0.0/0.0.0.0:41292 at (2017-02-28 20:24:41)\r\nFeb 28, 2017 8:24:41 PM detector.AlertService run\r\nINFO: Eventcode: 2\r\nFeb 28, 2017 8:24:41 PM detector.AlertService run\r\nSEVERE: No response\r\n12 FINE [DTLSConnector]: Re-transmitting flight for [bubblegum.home/10.235.68.101:5684], [3] retransmissions left - (org.eclipse.californium.scandium.DTLSConnector.java:112) handleTimeout() in thread DTLS RetransmitTask 1 at (2017-02-28 20:24:42)\r\n 9 FINE [DTLSConnector]: Received Handshake (22) record from peer [/10.235.68.101:5684] - (org.eclipse.californium.scandium.DTLSConnector.java:455) processHandshakeRecord() in thread DTLS-Receiver-0.0.0.0/0.0.0.0:41292 at (2017-02-28 20:24:44)\r\n 9 FINE [ClientHandshaker]: Processing Handshake (22) message from peer [bubblegum.home/10.235.68.101:5684] - (org.eclipse.californium.scandium.dtls.ClientHandshaker.java:179) doProcessMessage() in thread DTLS-Receiver-0.0.0.0/0.0.0.0:41292 at (2017-02-28 20:24:44)\r\n 9 FINE [ClientHandshaker]: Processed HELLO_VERIFY_REQUEST (3) message with sequence no [0] from peer [bubblegum.home/10.235.68.101:5684] - (org.eclipse.californium.scandium.dtls.ClientHandshaker.java:372) doProcessMessage() in thread DTLS-Receiver-0.0.0.0/0.0.0.0:41292 at (2017-02-28 20:24:44)\r\n 9 FINE [DTLSConnector]: Received Handshake (22) record from peer [/10.235.68.101:5684] - (org.eclipse.californium.scandium.DTLSConnector.java:455) processHandshakeRecord() in thread DTLS-Receiver-0.0.0.0/0.0.0.0:41292 at (2017-02-28 20:24:44)\r\n12 FINE [DTLSConnector]: Re-transmitting flight for [bubblegum.home/10.235.68.101:5684], [3] retransmissions left - (org.eclipse.californium.scandium.DTLSConnector.java:112) handleTimeout() in thread DTLS RetransmitTask 1 at (2017-02-28 20:24:45)\r\n12 FINE [DTLSConnector]: Re-transmitting flight for [bubblegum.home/10.235.68.101:5684], [2] retransmissions left - (org.eclipse.californium.scandium.DTLSConnector.java:112) handleTimeout() in thread DTLS RetransmitTask 1 at (2017-02-28 20:24:47)\r\n 9 FINE [DTLSConnector]: Received Handshake (22) record from peer [/10.235.68.101:5684] - (org.eclipse.californium.scandium.DTLSConnector.java:455) processHandshakeRecord() in thread DTLS-Receiver-0.0.0.0/0.0.0.0:41292 at (2017-02-28 20:24:47)\r\n 9 FINE [ClientHandshaker]: Processing Handshake (22) message from peer [bubblegum.home/10.235.68.101:5684] - (org.eclipse.californium.scandium.dtls.ClientHandshaker.java:179) doProcessMessage() in thread DTLS-Receiver-0.0.0.0/0.0.0.0:41292 at (2017-02-28 20:24:47)\r\n 9 FINE [ClientHandshaker]: Processed SERVER_HELLO (2) message with sequence no [1] from peer [bubblegum.home/10.235.68.101:5684] - (org.eclipse.californium.scandium.dtls.ClientHandshaker.java:372) doProcessMessage() in thread DTLS-Receiver-0.0.0.0/0.0.0.0:41292 at (2017-02-28 20:24:47)\r\n 9 FINE [DTLSConnector]: Received Handshake (22) record from peer [/10.235.68.101:5684] - (org.eclipse.californium.scandium.DTLSConnector.java:455) processHandshakeRecord() in thread DTLS-Receiver-0.0.0.0/0.0.0.0:41292 at (2017-02-28 20:24:47)\r\n 9 FINE [DTLSConnector]: Received Handshake (22) record from peer [/10.235.68.101:5684] - (org.eclipse.californium.scandium.DTLSConnector.java:455) processHandshakeRecord() in thread DTLS-Receiver-0.0.0.0/0.0.0.0:41292 at (2017-02-28 20:24:47)\r\n 9 FINE [ClientHandshaker]: Processing Handshake (22) message from peer [bubblegum.home/10.235.68.101:5684] - (org.eclipse.californium.scandium.dtls.ClientHandshaker.java:179) doProcessMessage() in thread DTLS-Receiver-0.0.0.0/0.0.0.0:41292 at (2017-02-28 20:24:47)\r\n 9 FINE [ClientHandshaker]: Processed CERTIFICATE (11) message with sequence no [2] from peer [bubblegum.home/10.235.68.101:5684] - (org.eclipse.californium.scandium.dtls.ClientHandshaker.java:372) doProcessMessage() in thread DTLS-Receiver-0.0.0.0/0.0.0.0:41292 at (2017-02-28 20:24:51)\r\n 9 FINE [DTLSConnector]: Received Handshake (22) record from peer [/10.235.68.101:5684] - (org.eclipse.californium.scandium.DTLSConnector.java:455) processHandshakeRecord() in thread DTLS-Receiver-0.0.0.0/0.0.0.0:41292 at (2017-02-28 20:24:51)\r\n 9 FINE [ClientHandshaker]: Processing Handshake (22) message from peer [bubblegum.home/10.235.68.101:5684] - (org.eclipse.californium.scandium.dtls.ClientHandshaker.java:179) doProcessMessage() in thread DTLS-Receiver-0.0.0.0/0.0.0.0:41292 at (2017-02-28 20:24:51)\r\n12 FINE [DTLSConnector]: Re-transmitting flight for [bubblegum.home/10.235.68.101:5684], [1] retransmissions left - (org.eclipse.californium.scandium.DTLSConnector.java:112) handleTimeout() in thread DTLS RetransmitTask 1 at (2017-02-28 20:24:51)\r\n 9 FINE [ClientHandshaker]: Processed SERVER_KEY_EXCHANGE (12) message with sequence no [3] from peer [bubblegum.home/10.235.68.101:5684] - (org.eclipse.californium.scandium.dtls.ClientHandshaker.java:372) doProcessMessage() in thread DTLS-Receiver-0.0.0.0/0.0.0.0:41292 at (2017-02-28 20:24:51)\r\n 9 FINE [DTLSConnector]: Received Handshake (22) record from peer [/10.235.68.101:5684] - (org.eclipse.californium.scandium.DTLSConnector.java:455) processHandshakeRecord() in thread DTLS-Receiver-0.0.0.0/0.0.0.0:41292 at (2017-02-28 20:24:51)\r\n 9 FINE [ClientHandshaker]: Processing Handshake (22) message from peer [bubblegum.home/10.235.68.101:5684] - (org.eclipse.californium.scandium.dtls.ClientHandshaker.java:179) doProcessMessage() in thread DTLS-Receiver-0.0.0.0/0.0.0.0:41292 at (2017-02-28 20:24:51)\r\n 9 FINE [ClientHandshaker]: Processed CERTIFICATE_REQUEST (13) message with sequence no [4] from peer [bubblegum.home/10.235.68.101:5684] - (org.eclipse.californium.scandium.dtls.ClientHandshaker.java:372) doProcessMessage() in thread DTLS-Receiver-0.0.0.0/0.0.0.0:41292 at (2017-02-28 20:24:51)\r\n 9 FINE [DTLSConnector]: Received Handshake (22) record from peer [/10.235.68.101:5684] - (org.eclipse.californium.scandium.DTLSConnector.java:455) processHandshakeRecord() in thread DTLS-Receiver-0.0.0.0/0.0.0.0:41292 at (2017-02-28 20:24:52)\r\n 9 FINE [ClientHandshaker]: Processing Handshake (22) message from peer [bubblegum.home/10.235.68.101:5684] - (org.eclipse.californium.scandium.dtls.ClientHandshaker.java:179) doProcessMessage() in thread DTLS-Receiver-0.0.0.0/0.0.0.0:41292 at (2017-02-28 20:24:52)\r\n 9 FINE [ClientHandshaker]: Processed SERVER_HELLO_DONE (14) message with sequence no [5] from peer [bubblegum.home/10.235.68.101:5684] - (org.eclipse.californium.scandium.dtls.ClientHandshaker.java:372) doProcessMessage() in thread DTLS-Receiver-0.0.0.0/0.0.0.0:41292 at (2017-02-28 20:24:53)\r\n 9 FINE [DTLSConnector]: Received Handshake (22) record from peer [/10.235.68.101:5684] - (org.eclipse.californium.scandium.DTLSConnector.java:455) processHandshakeRecord() in thread DTLS-Receiver-0.0.0.0/0.0.0.0:41292 at (2017-02-28 20:24:53)\r\n 9 FINE [DTLSConnector]: Received Handshake (22) record from peer [/10.235.68.101:5684] - (org.eclipse.californium.scandium.DTLSConnector.java:455) processHandshakeRecord() in thread DTLS-Receiver-0.0.0.0/0.0.0.0:41292 at (2017-02-28 20:24:53)\r\n 9 FINE [DTLSConnector]: Received Handshake (22) record from peer [/10.235.68.101:5684] - (org.eclipse.californium.scandium.DTLSConnector.java:455) processHandshakeRecord() in thread DTLS-Receiver-0.0.0.0/0.0.0.0:41292 at (2017-02-28 20:24:53)\r\n 9 FINE [DTLSConnector]: Received Handshake (22) record from peer [/10.235.68.101:5684] - (org.eclipse.californium.scandium.DTLSConnector.java:455) processHandshakeRecord() in thread DTLS-Receiver-0.0.0.0/0.0.0.0:41292 at (2017-02-28 20:24:53)\r\n 9 FINE [DTLSConnector]: Received Handshake (22) record from peer [/10.235.68.101:5684] - (org.eclipse.californium.scandium.DTLSConnector.java:455) processHandshakeRecord() in thread DTLS-Receiver-0.0.0.0/0.0.0.0:41292 at (2017-02-28 20:24:53)\r\n 9 FINE [DTLSConnector]: Received Handshake (22) record from peer [/10.235.68.101:5684] - (org.eclipse.californium.scandium.DTLSConnector.java:455) processHandshakeRecord() in thread DTLS-Receiver-0.0.0.0/0.0.0.0:41292 at (2017-02-28 20:24:53)\r\n 9 FINE [DTLSConnector]: Received Handshake (22) record from peer [/10.235.68.101:5684] - (org.eclipse.californium.scandium.DTLSConnector.java:455) processHandshakeRecord() in thread DTLS-Receiver-0.0.0.0/0.0.0.0:41292 at (2017-02-28 20:24:53)\r\n 9 FINE [DTLSConnector]: Received Handshake (22) record from peer [/10.235.68.101:5684] - (org.eclipse.californium.scandium.DTLSConnector.java:455) processHandshakeRecord() in thread DTLS-Receiver-0.0.0.0/0.0.0.0:41292 at (2017-02-28 20:24:53)\r\n 9 FINE [DTLSConnector]: Received Handshake (22) record from peer [/10.235.68.101:5684] - (org.eclipse.californium.scandium.DTLSConnector.java:455) processHandshakeRecord() in thread DTLS-Receiver-0.0.0.0/0.0.0.0:41292 at (2017-02-28 20:24:53)\r\n 9 FINE [DTLSConnector]: Received Handshake (22) record from peer [/10.235.68.101:5684] - (org.eclipse.californium.scandium.DTLSConnector.java:455) processHandshakeRecord() in thread DTLS-Receiver-0.0.0.0/0.0.0.0:41292 at (2017-02-28 20:24:53)\r\n 9 FINE [DTLSConnector]: Received Handshake (22) record from peer [/10.235.68.101:5684] - (org.eclipse.californium.scandium.DTLSConnector.java:455) processHandshakeRecord() in thread DTLS-Receiver-0.0.0.0/0.0.0.0:41292 at (2017-02-28 20:24:53)\r\n 9 FINE [DTLSConnector]: Received Handshake (22) record from peer [/10.235.68.101:5684] - (org.eclipse.californium.scandium.DTLSConnector.java:455) processHandshakeRecord() in thread DTLS-Receiver-0.0.0.0/0.0.0.0:41292 at (2017-02-28 20:24:53)\r\n 9 FINE [DTLSConnector]: Received Handshake (22) record from peer [/10.235.68.101:5684] - (org.eclipse.californium.scandium.DTLSConnector.java:455) processHandshakeRecord() in thread DTLS-Receiver-0.0.0.0/0.0.0.0:41292 at (2017-02-28 20:24:54)\r\n 9 FINE [DTLSConnector]: Received Handshake (22) record from peer [/10.235.68.101:5684] - (org.eclipse.californium.scandium.DTLSConnector.java:455) processHandshakeRecord() in thread DTLS-Receiver-0.0.0.0/0.0.0.0:41292 at (2017-02-28 20:24:54)\r\n 9 FINE [DTLSConnector]: Received Handshake (22) record from peer [/10.235.68.101:5684] - (org.eclipse.californium.scandium.DTLSConnector.java:455) processHandshakeRecord() in thread DTLS-Receiver-0.0.0.0/0.0.0.0:41292 at (2017-02-28 20:24:54)\r\n 9 FINE [DTLSConnector]: Received Handshake (22) record from peer [/10.235.68.101:5684] - (org.eclipse.californium.scandium.DTLSConnector.java:455) processHandshakeRecord() in thread DTLS-Receiver-0.0.0.0/0.0.0.0:41292 at (2017-02-28 20:24:54)\r\n 9 FINE [DTLSConnector]: Received Handshake (22) record from peer [/10.235.68.101:5684] - (org.eclipse.californium.scandium.DTLSConnector.java:455) processHandshakeRecord() in thread DTLS-Receiver-0.0.0.0/0.0.0.0:41292 at (2017-02-28 20:24:54)\r\n 9 FINE [DTLSConnector]: Received Handshake (22) record from peer [/10.235.68.101:5684] - (org.eclipse.californium.scandium.DTLSConnector.java:455) processHandshakeRecord() in thread DTLS-Receiver-0.0.0.0/0.0.0.0:41292 at (2017-02-28 20:24:54)\r\n12 FINE [DTLSConnector]: Re-transmitting flight for [bubblegum.home/10.235.68.101:5684], [3] retransmissions left - (org.eclipse.californium.scandium.DTLSConnector.java:112) handleTimeout() in thread DTLS RetransmitTask 1 at (2017-02-28 20:24:54)\r\n12 FINE [DTLSConnector]: Re-transmitting flight for [bubblegum.home/10.235.68.101:5684], [2] retransmissions left - (org.eclipse.californium.scandium.DTLSConnector.java:112) handleTimeout() in thread DTLS RetransmitTask 1 at (2017-02-28 20:24:56)\r\n 9 FINE [ClientHandshaker]: Processing Change Cipher Spec (20) message from peer [bubblegum.home/10.235.68.101:5684] - (org.eclipse.californium.scandium.dtls.ClientHandshaker.java:179) doProcessMessage() in thread DTLS-Receiver-0.0.0.0/0.0.0.0:41292 at (2017-02-28 20:24:57)\r\n 9 FINE [ClientHandshaker]: Processed Change Cipher Spec (20) message from peer [bubblegum.home/10.235.68.101:5684] - (org.eclipse.californium.scandium.dtls.ClientHandshaker.java:372) doProcessMessage() in thread DTLS-Receiver-0.0.0.0/0.0.0.0:41292 at (2017-02-28 20:24:57)\r\n 9 FINE [DTLSConnector]: Received Handshake (22) record from peer [/10.235.68.101:5684] - (org.eclipse.californium.scandium.DTLSConnector.java:455) processHandshakeRecord() in thread DTLS-Receiver-0.0.0.0/0.0.0.0:41292 at (2017-02-28 20:24:57)\r\n 9 FINE [ClientHandshaker]: Processing Handshake (22) message from peer [bubblegum.home/10.235.68.101:5684] - (org.eclipse.californium.scandium.dtls.ClientHandshaker.java:179) doProcessMessage() in thread DTLS-Receiver-0.0.0.0/0.0.0.0:41292 at (2017-02-28 20:24:57)\r\n 9 FINE [Connection]: Session with [bubblegum.home/10.235.68.101:5684] has been established - (org.eclipse.californium.scandium.dtls.Connection.java:837) sessionEstablished() in thread DTLS-Receiver-0.0.0.0/0.0.0.0:41292 at (2017-02-28 20:24:57)\r\n 9 FINE [DTLSConnector$5]: Session with [bubblegum.home/10.235.68.101:5684] established, now sending deferred message - (org.eclipse.californium.scandium.DTLSConnector$5.java:837) sessionEstablished() in thread DTLS-Receiver-0.0.0.0/0.0.0.0:41292 at (2017-02-28 20:24:57)\r\n 9 FINE [Connection]: Handshake with [bubblegum.home/10.235.68.101:5684] has been completed - (org.eclipse.californium.scandium.dtls.Connection.java:843) handshakeCompleted() in thread DTLS-Receiver-0.0.0.0/0.0.0.0:41292 at (2017-02-28 20:24:57)\r\n 9 FINE [ClientHandshaker]: Processed FINISHED (20) message with sequence no [6] from peer [bubblegum.home/10.235.68.101:5684] - (org.eclipse.californium.scandium.dtls.ClientHandshaker.java:372) doProcessMessage() in thread DTLS-Receiver-0.0.0.0/0.0.0.0:41292 at (2017-02-28 20:24:57)\r\n```\r\n\r\nServer log\r\n\r\n```\r\nFeb 28, 2017 8:26:11 PM org.eclipse.californium.core.network.config.NetworkConfig createStandardWithFile\r\nINFO: Loading standard properties from file Californium.properties\r\nFeb 28, 2017 8:26:13 PM org.eclipse.californium.core.CoapServer start\r\nINFO: Starting server\r\nFeb 28, 2017 8:26:13 PM org.eclipse.californium.core.network.CoapEndpoint start\r\nINFO: Starting endpoint at 0.0.0.0/0.0.0.0:5684\r\nFeb 28, 2017 8:26:13 PM org.eclipse.californium.scandium.DTLSConnector start\r\nINFO: DTLS connector listening on [0.0.0.0/0.0.0.0:5684] with MTU [1,280] using (inbound) datagram buffer size [16,474 bytes]\r\nFeb 28, 2017 8:26:13 PM gateway.Service start\r\nINFO: Starting Heartbeat Service\r\nFeb 28, 2017 8:26:13 PM gateway.HeartbeatService run\r\nINFO: Running Heartbeat Service\r\nFeb 28, 2017 8:26:13 PM gateway.Service start\r\nINFO: Starting Alert Service\r\nFeb 28, 2017 8:26:13 PM gateway.HeartbeatService run\r\nINFO: Alert Thread: Heartbeat Service, \r\nFeb 28, 2017 8:26:14 PM gateway.HeartbeatService run\r\nINFO: https://localhost:9000/heartbeat\r\nFeb 28, 2017 8:26:13 PM gateway.AlertService run\r\nINFO: Running Alert Service\r\nFeb 28, 2017 8:26:14 PM gateway.AlertService run\r\nINFO: Alert Thread: Alert Service, \r\nFeb 28, 2017 8:26:14 PM gateway.AlertService run\r\nINFO: https://localhost:9000/alert\r\nFeb 28, 2017 8:26:38 PM org.eclipse.californium.scandium.DTLSConnector terminateOngoingHandshake\r\nINFO: Aborting handshake with peer [/10.235.68.102:41292]: Cannot parse X.509 certificate chain provided by peer\r\nFeb 28, 2017 8:26:38 PM org.eclipse.californium.core.network.interceptors.MessageTracer receiveRequest\r\nINFO: /10.235.68.102:41,292 ==> req CON-POST   MID=50320, Token=e04f52eaca15460a, OptionSet={\"Uri-Host\":\"bubblegum.home\", \"Uri-Path\":\"alert\", \"Content-Format\":\"text/plain\"}, \"{\"id\":\"FA12BC78A9D62C00\"\".. 107 bytes\r\nFeb 28, 2017 8:26:39 PM gateway.GatewayCoapServer$AlertCoapResource handlePOST\r\nINFO: Received a detector alert\r\nFeb 28, 2017 8:26:39 PM org.eclipse.californium.core.network.interceptors.MessageTracer sendResponse\r\nINFO: /10.235.68.102:41,292 <== res ACK-2.01   MID=50320, Token=e04f52eaca15460a, OptionSet={}, no payload\r\n```\r\n\r\n![image](https://cloud.githubusercontent.com/assets/10365131/23698381/3fc1e346-03e3-11e7-80e1-66426cbb635c.png)\r\n\r\n![image](https://cloud.githubusercontent.com/assets/10365131/23698392/463cc844-03e3-11e7-9ae7-3a3c7e4b3256.png)\r\n\r\n"},"comment":{"url":"https://api.github.com/repos/eclipse/californium/issues/comments/285090301","html_url":"https://github.com/eclipse/californium/issues/235#issuecomment-285090301","issue_url":"https://api.github.com/repos/eclipse/californium/issues/235","id":285090301,"user":{"login":"i25959341","id":10365131,"avatar_url":"https://avatars3.githubusercontent.com/u/10365131?v=3","gravatar_id":"","url":"https://api.github.com/users/i25959341","html_url":"https://github.com/i25959341","followers_url":"https://api.github.com/users/i25959341/followers","following_url":"https://api.github.com/users/i25959341/following{/other_user}","gists_url":"https://api.github.com/users/i25959341/gists{/gist_id}","starred_url":"https://api.github.com/users/i25959341/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/i25959341/subscriptions","organizations_url":"https://api.github.com/users/i25959341/orgs","repos_url":"https://api.github.com/users/i25959341/repos","events_url":"https://api.github.com/users/i25959341/events{/privacy}","received_events_url":"https://api.github.com/users/i25959341/received_events","type":"User","site_admin":false},"created_at":"2017-03-08T16:27:46Z","updated_at":"2017-03-08T16:27:46Z","body":"also need setTimeout for Coapclient and dtls timeout\r\n\r\nbuilder.setRetransmissionTimeout(20000);\r\nclient.setTimeout(30000);"}}
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