Hi Andera, Please try to reproduce with simple jdbc program if possible. This mostly because of driver url format and driver version of it.
On Fri, 14 Oct, 2022, 16:44 Andrea Colajacomo, < [email protected]> wrote: > Hello guys, > we are facing a strange issue. > We have cas running on GCP > After starting our instance we can see this error in the logs > > 2022-10-14 10:56:39,178 INFO > [org.apereo.cas.configuration.DefaultCasConfigurationPropertiesSourceLocator] > - <Configuration files found at [/etc/cas/config] are [[file > [/etc/cas/config/cas.properties]]] under profile(s) [[standalone]]> > Loading class `com.mysql.jdbc.Driver'. This is deprecated. The new driver > class is `com.mysql.cj.jdbc.Driver'. The driver is automatically registered > via the SPI and manual loading of the driver class is generally unnecessary. > 2022-10-14 10:57:05,008 WARN [com.zaxxer.hikari.util.DriverDataSource] - > <Registered driver with driverClassName=com.mysql.jdbc.Driver was not > found, trying direct instantiation.> > 2022-10-14 10:57:05,687 ERROR [com.zaxxer.hikari.pool.HikariPool] - > <HikariPool-1 - Exception during pool initialization.> > com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link > failure > > The last packet sent successfully to the server was 0 milliseconds ago. > The driver has not received any packets from the server. > at > com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) > ~[mysql-connector-java-8.0.18.jar!/:8.0.18] > at > com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) > ~[mysql-connector-java-8.0.18.jar!/:8.0.18] > at > com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:836) > ~[mysql-connector-java-8.0.18.jar!/:8.0.18] > at > com.mysql.cj.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:456) > ~[mysql-connector-java-8.0.18.jar!/:8.0.18] > at > com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:246) > ~[mysql-connector-java-8.0.18.jar!/:8.0.18] > at > com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:199) > ~[mysql-connector-java-8.0.18.jar!/:8.0.18] > at > com.zaxxer.hikari.util.DriverDataSource.getConnection(DriverDataSource.java:138) > ~[HikariCP-3.4.1.jar!/:?] > at > com.zaxxer.hikari.pool.PoolBase.newConnection(PoolBase.java:353) > ~[HikariCP-3.4.1.jar!/:?] > at com.zaxxer.hikari.pool.PoolBase.newPoolEntry(PoolBase.java:201) > ~[HikariCP-3.4.1.jar!/:?] > at > com.zaxxer.hikari.pool.HikariPool.createPoolEntry(HikariPool.java:473) > ~[HikariCP-3.4.1.jar!/:?] > at > com.zaxxer.hikari.pool.HikariPool.checkFailFast(HikariPool.java:562) > ~[HikariCP-3.4.1.jar!/:?] > at com.zaxxer.hikari.pool.HikariPool.<init>(HikariPool.java:115) > ~[HikariCP-3.4.1.jar!/:?] > at > com.zaxxer.hikari.HikariDataSource.getConnection(HikariDataSource.java:112) > ~[HikariCP-3.4.1.jar!/:?] > at > org.hibernate.engine.jdbc.connections.internal.DatasourceConnectionProviderImpl.getConnection(DatasourceConnectionProviderImpl.java:122) > ~[hibernate-core-5.4.9.Final.jar!/:5.4.9.Final] > ... > ... > ... > ... > > If we push the previous build it works fine, but nothing has been changed > in the cas configuration, nothing on DB side. The only change contained in > the new build is something related to the frontend. > We test also network connection and it is fine. > > Does anyone have any kind of suggestion ? > > Bye > > -- > - Website: https://apereo.github.io/cas > - Gitter Chatroom: https://gitter.im/apereo/cas > - List Guidelines: https://goo.gl/1VRrw7 > - Contributions: https://goo.gl/mh7qDG > --- > You received this message because you are subscribed to the Google Groups > "CAS Community" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To view this discussion on the web visit > https://groups.google.com/a/apereo.org/d/msgid/cas-user/4b402ac7-0c5f-47a4-a614-4367d3a7b761n%40apereo.org > <https://groups.google.com/a/apereo.org/d/msgid/cas-user/4b402ac7-0c5f-47a4-a614-4367d3a7b761n%40apereo.org?utm_medium=email&utm_source=footer> > . > -- - Website: https://apereo.github.io/cas - Gitter Chatroom: https://gitter.im/apereo/cas - List Guidelines: https://goo.gl/1VRrw7 - Contributions: https://goo.gl/mh7qDG --- You received this message because you are subscribed to the Google Groups "CAS Community" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/a/apereo.org/d/msgid/cas-user/CAGY%2BujfFiSnfBQ71%3D2cgnhSiiqsfwzQvQUeKkS%3DWA%3DVxVSUySQ%40mail.gmail.com.
