MYSQL Error

[M05ARG]

Hi, when i try to connect my config.yml with phpmyadmin and i reload the pluguin i have this error:

[02:22:08 WARN]: com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure [02:22:08 WARN]: [02:22:08 WARN]: The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. [02:22:08 WARN]: at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) [02:22:08 WARN]: at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) [02:22:08 WARN]: at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:828) [02:22:08 WARN]: at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:448) [02:22:08 WARN]: at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) [02:22:08 WARN]: at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) [02:22:08 WARN]: at java.sql/java.sql.DriverManager.getConnection(DriverManager.java:681) [02:22:08 WARN]: at java.sql/java.sql.DriverManager.getConnection(DriverManager.java:229) [02:22:08 WARN]: at InventoryRollbackPlus-1.6.6.jar//me.danjono.inventoryrollback.data.MySQL.openConnection(MySQL.java:78) [02:22:08 WARN]: at InventoryRollbackPlus-1.6.6.jar//me.danjono.inventoryrollback.data.MySQL.createTables(MySQL.java:101) [02:22:08 WARN]: at InventoryRollbackPlus-1.6.6.jar//me.danjono.inventoryrollback.InventoryRollback.startupTasks(InventoryRollback.java:96) [02:22:08 WARN]: at InventoryRollbackPlus-1.6.6.jar//com.nuclyon.technicallycoded.inventoryrollback.commands.inventoryrollback.ReloadSubCmd.onCommand(ReloadSubCmd.java:18) [02:22:08 WARN]: at InventoryRollbackPlus-1.6.6.jar//com.nuclyon.technicallycoded.inventoryrollback.commands.Commands.onCommand(Commands.java:49) [02:22:08 WARN]: at org.bukkit.command.PluginCommand.execute(PluginCommand.java:45) [02:22:08 WARN]: at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:159) [02:22:08 WARN]: at org.bukkit.craftbukkit.v1_18_R1.CraftServer.dispatchCommand(CraftServer.java:908) [02:22:08 WARN]: at org.bukkit.craftbukkit.v1_18_R1.CraftServer.dispatchServerCommand(CraftServer.java:871) [02:22:08 WARN]: at net.minecraft.server.dedicated.DedicatedServer.bf(DedicatedServer.java:507) [02:22:08 WARN]: at net.minecraft.server.dedicated.DedicatedServer.b(DedicatedServer.java:481) [02:22:08 WARN]: at net.minecraft.server.MinecraftServer.a(MinecraftServer.java:1480) [02:22:08 WARN]: at net.minecraft.server.MinecraftServer.w(MinecraftServer.java:1273) [02:22:08 WARN]: at net.minecraft.server.MinecraftServer.lambda$spin$0(MinecraftServer.java:317) [02:22:08 WARN]: at java.base/java.lang.Thread.run(Thread.java:833) [02:22:08 WARN]: Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure [02:22:08 WARN]: [02:22:08 WARN]: The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. [02:22:08 WARN]: at jdk.internal.reflect.GeneratedConstructorAccessor156.newInstance(Unknown Source) [02:22:08 WARN]: at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) [02:22:08 WARN]: at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499) [02:22:08 WARN]: at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480) [02:22:08 WARN]: at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) [02:22:08 WARN]: at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) [02:22:08 WARN]: at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) [02:22:08 WARN]: at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) [02:22:08 WARN]: at com.mysql.cj.protocol.a.NativeProtocol.negotiateSSLConnection(NativeProtocol.java:317) [02:22:08 WARN]: at com.mysql.cj.protocol.a.NativeAuthenticationProvider.connect(NativeAuthenticationProvider.java:203) [02:22:08 WARN]: at com.mysql.cj.protocol.a.NativeProtocol.connect(NativeProtocol.java:1369) [02:22:08 WARN]: at com.mysql.cj.NativeSession.connect(NativeSession.java:133) [02:22:08 WARN]: at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:948) [02:22:08 WARN]: at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:818) [02:22:08 WARN]: ... 20 more [02:22:08 WARN]: Caused by: javax.net.ssl.SSLHandshakeException: java.security.cert.CertPathValidatorException: Path does not chain with any of the trust anchors [02:22:08 WARN]: at java.base/sun.security.ssl.Alert.createSSLException(Alert.java:131) [02:22:08 WARN]: at java.base/sun.security.ssl.TransportContext.fatal(TransportContext.java:371) [02:22:08 WARN]: at java.base/sun.security.ssl.TransportContext.fatal(TransportContext.java:314) [02:22:08 WARN]: at java.base/sun.security.ssl.TransportContext.fatal(TransportContext.java:309) [02:22:08 WARN]: at java.base/sun.security.ssl.CertificateMessage$T13CertificateConsumer.checkServerCerts(CertificateMessage.java:1357) [02:22:08 WARN]: at java.base/sun.security.ssl.CertificateMessage$T13CertificateConsumer.onConsumeCertificate(CertificateMessage.java:1232) [02:22:08 WARN]: at java.base/sun.security.ssl.CertificateMessage$T13CertificateConsumer.consume(CertificateMessage.java:1175) [02:22:08 WARN]: at java.base/sun.security.ssl.SSLHandshake.consume(SSLHandshake.java:396) [02:22:08 WARN]: at java.base/sun.security.ssl.HandshakeContext.dispatch(HandshakeContext.java:480) [02:22:08 WARN]: at java.base/sun.security.ssl.HandshakeContext.dispatch(HandshakeContext.java:458) [02:22:08 WARN]: at java.base/sun.security.ssl.TransportContext.dispatch(TransportContext.java:201) [02:22:08 WARN]: at java.base/sun.security.ssl.SSLTransport.decode(SSLTransport.java:172) [02:22:08 WARN]: at java.base/sun.security.ssl.SSLSocketImpl.decode(SSLSocketImpl.java:1500) [02:22:08 WARN]: at java.base/sun.security.ssl.SSLSocketImpl.readHandshakeRecord(SSLSocketImpl.java:1415) [02:22:08 WARN]: at java.base/sun.security.ssl.SSLSocketImpl.startHandshake(SSLSocketImpl.java:450) [02:22:08 WARN]: at java.base/sun.security.ssl.SSLSocketImpl.startHandshake(SSLSocketImpl.java:421) [02:22:08 WARN]: at com.mysql.cj.protocol.ExportControlled.performTlsHandshake(ExportControlled.java:335) [02:22:08 WARN]: at com.mysql.cj.protocol.StandardSocketFactory.performTlsHandshake(StandardSocketFactory.java:194) [02:22:08 WARN]: at com.mysql.cj.protocol.a.NativeSocketConnection.performTlsHandshake(NativeSocketConnection.java:101) [02:22:08 WARN]: at com.mysql.cj.protocol.a.NativeProtocol.negotiateSSLConnection(NativeProtocol.java:308) [02:22:08 WARN]: ... 25 more [02:22:08 WARN]: Caused by: java.security.cert.CertificateException: java.security.cert.CertPathValidatorException: Path does not chain with any of the trust anchors [02:22:08 WARN]: at com.mysql.cj.protocol.ExportControlled$X509TrustManagerWrapper.checkServerTrusted(ExportControlled.java:404) [02:22:08 WARN]: at java.base/sun.security.ssl.AbstractTrustManagerWrapper.checkServerTrusted(SSLContextImpl.java:1441) [02:22:08 WARN]: at java.base/sun.security.ssl.CertificateMessage$T13CertificateConsumer.checkServerCerts(CertificateMessage.java:1341) [02:22:08 WARN]: ... 40 more [02:22:08 WARN]: Caused by: java.security.cert.CertPathValidatorException: Path does not chain with any of the trust anchors [02:22:08 WARN]: at java.base/sun.security.provider.certpath.PKIXCertPathValidator.validate(PKIXCertPathValidator.java:157) [02:22:08 WARN]: at java.base/sun.security.provider.certpath.PKIXCertPathValidator.engineValidate(PKIXCertPathValidator.java:83) [02:22:08 WARN]: at java.base/java.security.cert.CertPathValidator.validate(CertPathValidator.java:309) [02:22:08 WARN]: at com.mysql.cj.protocol.ExportControlled$X509TrustManagerWrapper.checkServerTrusted(ExportControlled.java:398) [02:22:08 WARN]: ... 42 more

[TechnicallyCoded]

You probably enabled ssl on a localhost connection. That's a configuration issue I have seen multiple times.