I set up the server on AWS and the device connected to the server, but the device showed offline, then I tried the client app, it also showing offline. I checked the port using the port checker, and it is showing as open, when checked the log it showed following.
2024-04-10 04:28:09 INFO: [T17dde176: gps103 < 106.209.215.251] 78781101086301454179826401000000000103930d0a
2024-04-10 04:28:09 INFO: [T17dde176] error - Range [21, 24) out of bounds for length 22 - StringIndexOutOfBoundsException (... < Gps103ProtocolDecoder:413 < ExtendedObjectDecoder:75 < ... < WrapperContext:102 < ...)
I set up the server on AWS and the device connected to the server, but the device showed offline, then I tried the client app, it also showing offline. I checked the port using the port checker, and it is showing as open, when checked the log it showed following.