No appropriate protocol (protocol is disabled or cipher suites are inappropriate). The driver has not received any packets from the server. 08S01 Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. I have only the following defined in my persistence. So I tried to connect MySQL via SSH Tunnel option on Datagrip, however, It cannot connect to server. I checked this question Database Connection to MySQL times out even after setting c3p0.testConnectionOnCheckout=true as well, however, since I don't have all the hibernate configs defined in my case, I am not sure if I need to tweak those. Interestingly, the errors are typically high on one of the application servers, while both are expected to handle similar load.ĭb configuration values are - show global variables like "%timeout%" : org/hibernate/internal/util/JdbcExceptionHelperĪlmost, 3k in 5 mins, in one server, while the other server has 0 today. 00:00:12,765 65086991 ERROR io.undertow.request - UT005023: Exception handling request to /service/path/to/profile/summary The driver has not received any packets from the server. 10:55:24 AM .spi.SqlExceptionHelper logExceptions WARN: SQL Error: 0, SQLState: 08S01 10:55:24 AM .spi.SqlExceptionHelper logExceptions ERROR: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The last packet sent successfully to the server was 0 milliseconds ago. I solved It by changing localhost with server ip in connection url. Note: for windows you can access MySQL80 service by searching for services. 00:00:12,764 65086990 ERROR o.h.e. - Communications link failure steps: try connect to your database using mysqlWorkbench or any other tool. But while making the docker-compose file and running the app docker image. While running the application it is running well as per expectation. If someone did it for you, ask that person for help. It's possible that is not done correctly. 10:57:57 java.io.EOFException: Can not read response from. The last packet sent successfully to the server was 50.057 milliseconds ago. It's possible that is not done correctly. The error we get is the following: 10:57:57 08S01 Communications link failure 10:57:57 The last packet successfully received from the server was 50.057 milliseconds ago. I am getting lots of these errors - 00:00:12,714 65086940 INFO c.c.p.c.s.CustomRemoteTokenService - API : service/api/path/profile/summary property api : system Im working with spring boot, hibernate & MySql. Setting up a MySQL server to use TLS takes some server engineering work and knowledge. The TPS value has recently risen and touching almost 50 TPS.ĬPU usage on application servers are around 40%. We have two of these servers, were we are observing these errors.
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