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  1. java.lang.RuntimeException: Hubo una excepción al conectar a la base de datos:
  2. at database.ConnectionMySQL.<init>(ConnectionMySQL.java:25) ~[zDiscord-jar-with-dependencies.jar:?]
  3. at me.zyro.zdiscord.Main.onEnable(Main.java:45) ~[zDiscord-jar-with-dependencies.jar:?]
  4. at org.bukkit.plugin.java.JavaPlugin.setEnabled(JavaPlugin.java:264) ~[paper-api-1.18.1-R0.1-SNAPSHOT.jar:?]
  5. at org.bukkit.plugin.java.JavaPluginLoader.enablePlugin(JavaPluginLoader.java:370) ~[paper-api-1.18.1-R0.1-SNAPSHOT.jar:?]
  6. at org.bukkit.plugin.SimplePluginManager.enablePlugin(SimplePluginManager.java:500) ~[paper-api-1.18.1-R0.1-SNAPSHOT.jar:?]
  7. at org.bukkit.craftbukkit.v1_18_R1.CraftServer.enablePlugin(CraftServer.java:563) ~[paper-1.18.1.jar:git-Paper-77]
  8. at org.bukkit.craftbukkit.v1_18_R1.CraftServer.enablePlugins(CraftServer.java:477) ~[paper-1.18.1.jar:git-Paper-77]
  9. at net.minecraft.server.MinecraftServer.loadWorld0(MinecraftServer.java:727) ~[paper-1.18.1.jar:git-Paper-77]
  10. at net.minecraft.server.MinecraftServer.loadLevel(MinecraftServer.java:503) ~[paper-1.18.1.jar:git-Paper-77]
  11. at net.minecraft.server.dedicated.DedicatedServer.initServer(DedicatedServer.java:313) ~[paper-1.18.1.jar:git-Paper-77]
  12. at net.minecraft.server.MinecraftServer.runServer(MinecraftServer.java:1202) ~[paper-1.18.1.jar:git-Paper-77]
  13. at net.minecraft.server.MinecraftServer.lambda$spin$0(MinecraftServer.java:317) ~[paper-1.18.1.jar:git-Paper-77]
  14. at java.lang.Thread.run(Thread.java:833) ~[?:?]
  15. Caused by: com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure
  16.  
  17. The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server.
  18. at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174) ~[mysql-connector-java-8.0.27.jar:8.0.27]
  19. at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) ~[mysql-connector-java-8.0.27.jar:8.0.27]
  20. at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:828) ~[mysql-connector-java-8.0.27.jar:8.0.27]
  21. at com.mysql.cj.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:448) ~[mysql-connector-java-8.0.27.jar:8.0.27]
  22. at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) ~[mysql-connector-java-8.0.27.jar:8.0.27]
  23. at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) ~[mysql-connector-java-8.0.27.jar:8.0.27]
  24. at java.sql.DriverManager.getConnection(DriverManager.java:681) ~[java.sql:?]
  25. at java.sql.DriverManager.getConnection(DriverManager.java:229) ~[java.sql:?]
  26. at database.ConnectionMySQL.<init>(ConnectionMySQL.java:21) ~[zDiscord-jar-with-dependencies.jar:?]
  27. ... 12 more
  28. Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure
  29.  
  30. The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server.
  31. at jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) ~[?:?]
  32. at jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:77) ~[?:?]
  33. at jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[?:?]
  34. at java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499) ~[?:?]
  35. at java.lang.reflect.Constructor.newInstance(Constructor.java:480) ~[?:?]
  36. at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) ~[mysql-connector-java-8.0.27.jar:8.0.27]
  37. at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) ~[mysql-connector-java-8.0.27.jar:8.0.27]
  38. at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151) ~[mysql-connector-java-8.0.27.jar:8.0.27]
  39. at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167) ~[mysql-connector-java-8.0.27.jar:8.0.27]
  40. at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) ~[mysql-connector-java-8.0.27.jar:8.0.27]
  41. at com.mysql.cj.NativeSession.connect(NativeSession.java:120) ~[mysql-connector-java-8.0.27.jar:8.0.27]
  42. at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:948) ~[mysql-connector-java-8.0.27.jar:8.0.27]
  43. at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:818) ~[mysql-connector-java-8.0.27.jar:8.0.27]
  44. at com.mysql.cj.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:448) ~[mysql-connector-java-8.0.27.jar:8.0.27]
  45. at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) ~[mysql-connector-java-8.0.27.jar:8.0.27]
  46. at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) ~[mysql-connector-java-8.0.27.jar:8.0.27]
  47. at java.sql.DriverManager.getConnection(DriverManager.java:681) ~[java.sql:?]
  48. at java.sql.DriverManager.getConnection(DriverManager.java:229) ~[java.sql:?]
  49. at database.ConnectionMySQL.<init>(ConnectionMySQL.java:21) ~[zDiscord-jar-with-dependencies.jar:?]
  50. ... 12 more
  51. Caused by: java.net.ConnectException: Connection refused
  52. at sun.nio.ch.Net.connect0(Native Method) ~[?:?]
  53. at sun.nio.ch.Net.connect(Net.java:579) ~[?:?]
  54. at sun.nio.ch.Net.connect(Net.java:568) ~[?:?]
  55. at sun.nio.ch.NioSocketImpl.connect(NioSocketImpl.java:588) ~[?:?]
  56. at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:327) ~[?:?]
  57. at java.net.Socket.connect(Socket.java:633) ~[?:?]
  58. at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:156) ~[mysql-connector-java-8.0.27.jar:8.0.27]
  59. at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ~[mysql-connector-java-8.0.27.jar:8.0.27]
  60. at com.mysql.cj.NativeSession.connect(NativeSession.java:120) ~[mysql-connector-java-8.0.27.jar:8.0.27]
  61. at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:948) ~[mysql-connector-java-8.0.27.jar:8.0.27]
  62. at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:818) ~[mysql-connector-java-8.0.27.jar:8.0.27]
  63. at com.mysql.cj.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:448) ~[mysql-connector-java-8.0.27.jar:8.0.27]
  64. at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) ~[mysql-connector-java-8.0.27.jar:8.0.27]
  65. at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:198) ~[mysql-connector-java-8.0.27.jar:8.0.27]
  66. at java.sql.DriverManager.getConnection(DriverManager.java:681) ~[java.sql:?]
  67. at java.sql.DriverManager.getConnection(DriverManager.java:229) ~[java.sql:?]
  68. at database.ConnectionMySQL.<init>(ConnectionMySQL.java:21) ~[zDiscord-jar-with-dependencies.jar:?]
  69. ... 12 more
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