Hi,

I'm using the Web Client SDK and encountering an issue with the connection retry. When the network is turned off and then restored on the client side, the connection never gets re-established, and client keeps trying to connect. is this behaviour expected?

Client logs:

LOG 2024-12-30T00:10:24.430Z checkAndReconnect CONNECTING ERROR 2024-12-30T00:10:24.545Z ERROR [lightstreamer.session]: Retrying connection in 3880.752458993811ms. Cause: HTTP error LOG 2024-12-30T00:10:24.547Z checkAndReconnect DISCONNECTED:WILL-RETRY LOG 2024-12-30T00:10:24.780Z checkAndReconnect DISCONNECTED:WILL-RETRY LOG 2024-12-30T00:10:28.434Z checkAndReconnect CONNECTING ERROR 2024-12-30T00:10:28.548Z ERROR [lightstreamer.session]: Retrying connection in 3878.642167081125ms. Cause: HTTP error LOG 2024-12-30T00:10:28.550Z checkAndReconnect DISCONNECTED:WILL-RETRY LOG 2024-12-30T00:10:32.435Z checkAndReconnect CONNECTING ERROR 2024-12-30T00:10:32.547Z ERROR [lightstreamer.session]: Retrying connection in 3881.9310000399128ms. Cause: HTTP error LOG 2024-12-30T00:10:32.548Z checkAndReconnect DISCONNECTED:WILL-RETRY LOG 2024-12-30T00:10:36.437Z checkAndReconnect CONNECTING ERROR 2024-12-30T00:10:36.553Z ERROR [lightstreamer.session]: Retrying connection in 3876.6503329970874ms. Cause: HTTP error LOG 2024-12-30T00:10:36.555Z checkAndReconnect DISCONNECTED:WILL-RETRY LOG 2024-12-30T00:10:40.438Z checkAndReconnect CONNECTING ERROR 2024-12-30T00:10:40.540Z ERROR [lightstreamer.session]: Retrying connection in 3891.0190829774365ms. Cause: HTTP error LOG 2024-12-30T00:10:40.541Z checkAndReconnect DISCONNECTED:WILL-RETRY LOG 2024-12-30T00:10:44.439Z checkAndReconnect CONNECTING ERROR 2024-12-30T00:10:44.553Z ERROR [lightstreamer.session]: Retrying connection in 7879.355332930572ms. Cause: HTTP error LOG 2024-12-30T00:10:44.554Z checkAndReconnect DISCONNECTED:WILL-RETRY LOG 2024-12-30T00:10:52.443Z checkAndReconnect CONNECTING ERROR 2024-12-30T00:10:52.554Z ERROR [lightstreamer.session]: Retrying connection in 15879.759125004057ms. Cause: HTTP error LOG 2024-12-30T00:10:52.555Z checkAndReconnect DISCONNECTED:WILL-RETRY

Server logs:

30-Dec-24 00:09:57,202|INFO |L.requests 30-Dec-24 00:10:26,930|INFO |L.requests 30-Dec-24 00:10:26,930|INFO |L.requests 30-Dec-24 00:10:26,931|INFO |L.requests 30-Dec-24 00:10:27,833|INFO |L.requests 30-Dec-24 00:10:27,834|INFO |L.pump 30-Dec-24 00:10:27,834|INFO |L.requests 30-Dec-24 00:10:27,834|INFO |L.requests 30-Dec-24 00:10:27,834|INFO |L.pump 30-Dec-24 00:10:27,979|INFO |L.requests 30-Dec-24 00:10:27,980|INFO |L.requests 30-Dec-24 00:10:28,037|INFO |L.requests 30-Dec-24 00:10:28,037|INFO |L.requests 30-Dec-24 00:10:28,037|INFO |L.requests 30-Dec-24 00:10:28,037|INFO |L.requests 30-Dec-24 00:10:28,038|INFO |L.requests 30-Dec-24 00:10:28,038|INFO |L.requests 30-Dec-24 00:10:28,038|INFO |L.requests 30-Dec-24 00:10:28,038|INFO |L.requests SERVER POOLED THREAD 5 |Controlling 30-Dec-24 00:10:28,038|INFO |L.requests 30-Dec-24 00:10:28,038|INFO |L.requests 30-Dec-24 00:10:28,038|INFO |L.requests 30-Dec-24 00:10:29,093|INFO |L.requests 30-Dec-24 00:10:29,094|INFO |L.requests 30-Dec-24 00:10:29,094|INFO |L.pump 30-Dec-24 00:10:29,241|INFO |L.requests 30-Dec-24 00:10:29,241|INFO |L.requests 30-Dec-24 00:10:29,289|INFO |L.requests 30-Dec-24 00:10:29,289|INFO |L.requests 30-Dec-24 00:10:29,289|INFO |L.requests 30-Dec-24 00:10:29,289|INFO |L.requests 30-Dec-24 00:10:29,289|INFO |L.requests 30-Dec-24 00:10:29,289|INFO |L.requests 30-Dec-24 00:10:29,289|INFO |L.requests 30-Dec-24 00:10:29,290|INFO |L.requests 30-Dec-24 00:10:29,290|INFO |L.requests 30-Dec-24 00:10:29,825|INFO |L.requests 30-Dec-24 00:10:29,825|INFO |L.requests 30-Dec-24 00:10:29,838|INFO |L.requests 30-Dec-24 00:10:29,839|INFO |L.requests 30-Dec-24 00:10:41,302|INFO |L.pump 30-Dec-24 00:10:41,302|INFO |L.requests 30-Dec-24 00:10:55,811|INFO |L.pump 30-Dec-24 00:10:55,811|INFO |L.requests 30-Dec-24 00:11:34,684|INFO |streamerMo |SERVER POOLED THREAD 9 |Controlling session: Sc973dbffd58ea958Md79T3356606 on "Lightstreamer HTTP Server" from 10.2.164.97.46:62444 |SERVER POOLED THREAD 8 |Serving request: /lightstreamer/bind_session.txt?LS_protocol=TLCP-2.5.0 --> LS_session=S93a2577f18e83fffMd79T4529237&LS_recovery_from=11551&LS_polling=true&LS_polling_millis=0&LS_idle_millis=0&LS_cause=ws.stalled on "Lightstreamer HTTP Server" from 80.1.147.21:59563 |SERVER POOLED THREAD 8 |Recovering session S93a2577f18e83fffMd79T4529237 on "Lightstreamer HTTP Server" from 80.1.147.21:59563 |SERVER POOLED THREAD 8 |Refused request: Recovery for event 11551 failed on "Lightstreamer HTTP Server" from 80.1.147.21:59563 |SERVER POOLED THREAD 8 |Serving request: /lightstreamer/dashboard/create_session.txt?LS_protocol=TLCP-2.5.0 --> LS_polling=true&LS_polling_millis=0&LS_idle_millis=0&LS_requested_max_bandwidth=100&LS_adapter_set=MONITOR&LS_cid=pcYgxn8m8%20feOojyA1V661f3g2.pz482h95HMDKkydx&LS_old_session=S93a2577f18e83fffMd79T4529237&LS_cause=recovery.conerr.4 on "Lightstreamer HTTP Server" from 80.1.147.21:59563 |SERVER POOLED THREAD 8 |Closed session S93a2577f18e83fffMd79T4529237 with internal cause code: 45 (Notified as old session). |SERVER POOLED THREAD 8 |Session S93a2577f18e83fffMd79T4529237 closed after 23098597 ms, initiated on "Lightstreamer HTTP Server" from 80.1.147.21:61676 |SERVER POOLED THREAD 8 |Starting new session: Sed2198b3aafa205fMd79T1027834 (javascript_client 9.0.0 build 20230629-dsb) on "Lightstreamer HTTP Server" from 80.1.147.21:59563 |SERVER POOLED THREAD 8 |Session Sed2198b3aafa205fMd79T1027834 started. |SERVER POOLED THREAD 9 |Serving request: bind_session -> LS_session=Sed2198b3aafa205fMd79T1027834&LS_keepalive_millis=5000&LS_send_sync=false&LS_cause=http.loop on "Lightstreamer HTTP Server" from 80.1.147.21:59564 |SERVER POOLED THREAD 9 |Attaching session: Sed2198b3aafa205fMd79T1027834 on "Lightstreamer HTTP Server" from 80.1.147.21:59564 |SERVER POOLED THREAD 9 |Serving multiple request: control -> {6 subrequests} on "Lightstreamer HTTP Server" from 80.1.147.21:59564 |SERVER POOLED THREAD 9 |Subrequest 1: LS_reqId=7&LS_op=add&LS_subId=1&LS_mode=MERGE&LS_group=monitor_statistics&LS_schema=CLIENTS.SESSIONS%20CLIENTS.STREAMING_SESSIONS%20CLIENTS.POLLING_SESSIONS%20CLIENTS.CONNECTIONS%20PUSH_NOTIFICATIONS.DEVICES%20MEMORY.TOTAL%20POOL.QUEUE%20THREADS%20POOL.ACTIVE%20POOL.WAITING%20MEMORY.FREE%20POOL.SIZE%20CLIENTS.MAX_SESSIONS%20CLIENTS.MAX_CONNECTIONS%20PUSH_NOTIFICATIONS.MAX_DEVICES%20CLIENTS.ITEM_SUBSCR%20ITEMS.TOTAL%20UPDATES.EVENTS_SEC%20UPDATES.TOTAL_OUT%20UPDATES.TOTAL_LOST%20BANDWIDTH.CURRENT%20BANDWIDTH.TOTAL_BYTES%20PUSH_NOTIFICATIONS.NOTIFICATIONS_SEC%20PUSH_NOTIFICATIONS.TOTAL_SENT%20PUSH_NOTIFICATIONS.CURRENT_THROUGHPUT%20PUSH_NOTIFICATIONS.TOTAL_BYTES%20MESSAGES.EVENTS_SEC%20MESSAGES.TOTAL_HANDLED%20MESSAGES.CURRENT_THROUGHPUT%20MESSAGES.TOTAL_BYTES%20ITEMS.EVENTS_SEC%20UPDATES.TOTAL_IN&LS_snapshot=true&LS_ack=false LS_session:Sed2198b3aafa205fMd79T1027834 on "Lightstreamer HTTP Server" from 80.1.147.21:59564 |SERVER POOLED THREAD 9 |Subrequest 2: LS_reqId=8&LS_op=add&LS_subId=2&LS_mode=MERGE&LS_group=monitor_identification&LS_schema=STARTUP_TIME%20EDITION%20LICENSE_TYPE%20LOCAL_HOST%20VERSION%20LOCAL_IP%20CLIENT_ID%20DASHBOARD_IS_PUBLIC&LS_snapshot=true&LS_ack=false LS_session:Sed2198b3aafa205fMd79T1027834 on "Lightstreamer HTTP Server" from 80.1.147.21:59564 |SERVER POOLED THREAD 9 |Subrequest 3: LS_reqId=9&LS_op=add&LS_subId=3&LS_mode=MERGE&LS_group=monitor_local_socket&LS_schema=SERVER_NAME%20LOCAL_PORT&LS_snapshot=true&LS_ack=false LS_session:Sed2198b3aafa205fMd79T1027834 on "Lightstreamer HTTP Server" from 80.1.147.21:59564 |SERVER POOLED THREAD 9 |Subrequest 4: LS_reqId=10&LS_op=add&LS_subId=4&LS_mode=MERGE&LS_group=monitor_identification&LS_schema=EDITION%20LICENSE_TYPE%20CLIENT_ID&LS_snapshot=true&LS_ack=false LS_session:Sed2198b3aafa205fMd79T1027834 on "Lightstreamer HTTP Server" from 80.1.147.21:59564 |SERVER POOLED THREAD 9 |Subrequest 5: LS_reqId=11&LS_op=add&LS_subId=5&LS_mode=MERGE&LS_group=monitor_details&LS_schema=MAX_SSNS%20IS_MPN%20EXP_DATE%20MAX_RATE%20BAND%20TLS%20JMX%20VAL_TYPE&LS_snapshot=true&LS_ack=false LS_session:Sed2198b3aafa205fMd79T1027834 on "Lightstreamer HTTP Server" from 80.1.147.21:59564 |SERVER POOLED THREAD 9 |Subrequest 6: LS_reqId=12&LS_op=add&LS_subId=6&LS_mode=COMMAND&LS_group=monitor_client_libs&LS_schema=key%20command%20lib_ext%20free%20demo%20eval%20startup%20noprod-lim%20noprod-full%20prod%20standby%20ordinal&LS_snapshot=true&LS_ack=false LS_session:Sed2198b3aafa205fMd79T1027834 on "Lightstreamer HTTP Server" from 80.1.147.21:59564 |SERVER POOLED THREAD 9 |Controlling session: Sed2198b3aafa205fMd79T1027834 on "Lightstreamer HTTP Server" from 80.1.147.21:59564 session: Sed2198b3aafa205fMd79T1027834 on "Lightstreamer HTTP Server" from 80.1.147.21:59564 |SERVER POOLED THREAD 9 |Controlling session: Sed2198b3aafa205fMd79T1027834 on "Lightstreamer HTTP Server" from 80.1.147.21:59564 |SERVER POOLED THREAD 5 |Controlling session: Sed2198b3aafa205fMd79T1027834 on "Lightstreamer HTTP Server" from 80.1.147.21:59564 |SERVER POOLED THREAD 9 |Controlling session: Sed2198b3aafa205fMd79T1027834 on "Lightstreamer HTTP Server" from 80.1.147.21:59564 |SERVER POOLED THREAD 8 |Serving request: /lightstreamer/dashboard/create_session.txt?LS_protocol=TLCP-2.5.0 --> LS_polling=true&LS_polling_millis=0&LS_idle_millis=0&LS_requested_max_bandwidth=100&LS_adapter_set=MONITOR&LS_cid=pcYgxn8m8%20feOojyA1V661f3g2.pz482h95HMDKkydx&LS_cause=api on "Lightstreamer HTTP Server" from 80.1.147.21:59563 |SERVER POOLED THREAD 8 |Starting new session: S77e2ad686b5a30d7Md79T1029094 (javascript_client 9.0.0 build 20230629-dsb) on "Lightstreamer HTTP Server" from 80.1.147.21:59563 |SERVER POOLED THREAD 8 |Session S77e2ad686b5a30d7Md79T1029094 started. |SERVER POOLED THREAD 8 |Serving request: bind_session -> LS_session=S77e2ad686b5a30d7Md79T1029094&LS_send_sync=false&LS_cause=http.loop on "Lightstreamer HTTP Server" from 80.1.147.21:59568 |SERVER POOLED THREAD 8 |Attaching session: S77e2ad686b5a30d7Md79T1029094 on "Lightstreamer HTTP Server" from 80.1.147.21:59568 |SERVER POOLED THREAD 5 |Serving multiple request: control -> {4 subrequests} on "Lightstreamer HTTP Server" from 80.1.147.21:59568 |SERVER POOLED THREAD 5 |Subrequest 1: LS_reqId=1&LS_op=add&LS_subId=1&LS_mode=MERGE&LS_group=monitor_statistics&LS_schema=CLIENTS.SESSIONS%20CLIENTS.STREAMING_SESSIONS%20CLIENTS.POLLING_SESSIONS%20CLIENTS.CONNECTIONS%20PUSH_NOTIFICATIONS.DEVICES%20MEMORY.TOTAL%20POOL.QUEUE%20THREADS%20POOL.ACTIVE%20POOL.WAITING%20MEMORY.FREE%20POOL.SIZE%20CLIENTS.MAX_SESSIONS%20CLIENTS.MAX_CONNECTIONS%20PUSH_NOTIFICATIONS.MAX_DEVICES%20CLIENTS.ITEM_SUBSCR%20ITEMS.TOTAL%20UPDATES.EVENTS_SEC%20UPDATES.TOTAL_OUT%20UPDATES.TOTAL_LOST%20BANDWIDTH.CURRENT%20BANDWIDTH.TOTAL_BYTES%20PUSH_NOTIFICATIONS.NOTIFICATIONS_SEC%20PUSH_NOTIFICATIONS.TOTAL_SENT%20PUSH_NOTIFICATIONS.CURRENT_THROUGHPUT%20PUSH_NOTIFICATIONS.TOTAL_BYTES%20MESSAGES.EVENTS_SEC%20MESSAGES.TOTAL_HANDLED%20MESSAGES.CURRENT_THROUGHPUT%20MESSAGES.TOTAL_BYTES%20ITEMS.EVENTS_SEC%20UPDATES.TOTAL_IN&LS_snapshot=true&LS_ack=false LS_session:S77e2ad686b5a30d7Md79T1029094 on "Lightstreamer HTTP Server" from 80.1.147.21:59568 |SERVER POOLED THREAD 5 |Subrequest 2: LS_reqId=2&LS_op=add&LS_subId=2&LS_mode=MERGE&LS_group=monitor_identification&LS_schema=STARTUP_TIME%20EDITION%20LICENSE_TYPE%20LOCAL_HOST%20VERSION%20LOCAL_IP%20CLIENT_ID%20DASHBOARD_IS_PUBLIC&LS_snapshot=true&LS_ack=false LS_session:S77e2ad686b5a30d7Md79T1029094 on "Lightstreamer HTTP Server" from 80.1.147.21:59568 |SERVER POOLED THREAD 5 |Subrequest 3: LS_reqId=3&LS_op=add&LS_subId=3&LS_mode=MERGE&LS_group=monitor_local_socket&LS_schema=SERVER_NAME%20LOCAL_PORT&LS_snapshot=true&LS_ack=false LS_session:S77e2ad686b5a30d7Md79T1029094 on "Lightstreamer HTTP Server" from 80.1.147.21:59568 |SERVER POOLED THREAD 5 |Subrequest 4: LS_reqId=4&LS_op=add&LS_subId=4&LS_mode=MERGE&LS_group=monitor_identification&LS_schema=EDITION%20LICENSE_TYPE%20CLIENT_ID&LS_snapshot=true&LS_ack=false LS_session:S77e2ad686b5a30d7Md79T1029094 on "Lightstreamer HTTP Server" from 80.1.147.21:59568 |SERVER POOLED THREAD 5 |Controlling session: S77e2ad686b5a30d7Md79T1029094 on "Lightstreamer HTTP Server" from 80.1.147.21:59568 |SERVER POOLED THREAD 5 |Controlling session: S77e2ad686b5a30d7Md79T1029094 on "Lightstreamer HTTP Server" from 80.1.147.21:59568 |SERVER POOLED THREAD 5 |Controlling session: S77e2ad686b5a30d7Md79T1029094 on "Lightstreamer HTTP Server" from 80.1.147.21:59568 |SERVER POOLED THREAD 5 |Controlling session: S77e2ad686b5a30d7Md79T1029094 on "Lightstreamer HTTP Server" from 80.1.147.21:59568 |SERVER POOLED THREAD 8 |Serving request: control -> LS_reqId=5&LS_op=add&LS_subId=5&LS_mode=MERGE&LS_group=monitor_details&LS_schema=MAX_SSNS%20IS_MPN%20EXP_DATE%20MAX_RATE%20BAND%20TLS%20JMX%20VAL_TYPE&LS_snapshot=true&LS_ack=false LS_session:S77e2ad686b5a30d7Md79T1029094 on "Lightstreamer HTTP Server" from 80.1.147.21:59568 |SERVER POOLED THREAD 8 |Controlling session: S77e2ad686b5a30d7Md79T1029094 on "Lightstreamer HTTP Server" from 80.1.147.21:59568 |SERVER POOLED THREAD 7 |Serving request: control -> LS_reqId=6&LS_op=add&LS_subId=6&LS_mode=COMMAND&LS_group=monitor_client_libs&LS_schema=key%20command%20lib_ext%20free%20demo%20eval%20startup%20noprod-lim%20noprod-full%20prod%20standby%20ordinal&LS_snapshot=true&LS_ack=false LS_session:S77e2ad686b5a30d7Md79T1029094 on "Lightstreamer HTTP Server" from 80.1.147.21:59568 |SERVER POOLED THREAD 7 |Controlling session: S77e2ad686b5a30d7Md79T1029094 on "Lightstreamer HTTP Server" from 80.1.147.21:59568 |PUMP POOLED THREAD 2 |Closed session Sed2198b3aafa205fMd79T1027834 with internal cause code: 38/2 (Connection interrupted by client). |PUMP POOLED THREAD 2 |Session Sed2198b3aafa205fMd79T1027834 closed after 13468 ms, initiated on "Lightstreamer HTTP Server" from 80.1.147.21:59563 |PUMP POOLED THREAD 1 |Closed session S5972879f9a9e2f80Md79T0447245 with internal cause code: 38/5 (Connection interrupted by client). |PUMP POOLED THREAD 1 |Session S5972879f9a9e2f80Md79T0447245 closed after 368564 ms, initiated on "Lightstreamer HTTP Server" from 80.1.147.21:59159 nitorText|Timer-1 |Total threads = 84, Total heap = 1073741824 (free = 983167952), Sessions = 2 (max = 209, refused = 0), New sessions = [+2, -3], Connections = 2 (max = 614), New connections = [+4, -5], In-pool threads = 28, Active threads = 0, Available threads = 28, Queued tasks = 0, Pool queue wait = 0, NIO write queue = 0, NIO write queue wait = 0, NIO write selectors = 2, NIO total selectors = 8, Subscribed items = 5 (for 6 subscriptions), Inbound throughput = 0.5 updates/s (pre-filtered = 0.5), Outbound throughput = 0.5 updates/s (0.38 kbit/s, max = 323.09), Lost updates = 0 (total = 0), Total bytes sent = 94744505, Client messages throughput = 0 msgs/s (0 kbit/s, max = 0), Total messages handled = 0, Extra sleep = 0, Notify delay = 0