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делаю плагин на историю ip адресов по нику и наоборот историю ников по ip адресу
все храню в бд mysql, но столкнулся с некоторыми проблемами, при любом действии с бд в консоль кидает множество варнов, даже если все делается правильно (пишет или читает в/из бд)
для работы с бд использовал готовые классы, которые нашел в 1 из гайдов
(прикрепляю ниже)
при надобности могу скинуть весь код, напишите в ЛС
все храню в бд mysql, но столкнулся с некоторыми проблемами, при любом действии с бд в консоль кидает множество варнов, даже если все делается правильно (пишет или читает в/из бд)
Код:
[19:29:53] [Server thread/WARN]: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure
The last packet successfully received from the server was 117 186 milliseconds ago. The last packet sent successfully to the server was 0 milliseconds ago.
[19:29:53] [Server thread/WARN]: at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
[19:29:53] [Server thread/WARN]: at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source)
[19:29:53] [Server thread/WARN]: at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source)
[19:29:53] [Server thread/WARN]: at java.lang.reflect.Constructor.newInstance(Unknown Source)
[19:29:53] [Server thread/WARN]: at com.mysql.jdbc.Util.handleNewInstance(Util.java:407)
[19:29:53] [Server thread/WARN]: at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:1116)
[19:29:53] [Server thread/WARN]: at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3082)
[19:29:53] [Server thread/WARN]: at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:2968)
[19:29:53] [Server thread/WARN]: at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3516)
[19:29:53] [Server thread/WARN]: at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:1986)
[19:29:53] [Server thread/WARN]: at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2140)
[19:29:53] [Server thread/WARN]: at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2620)
[19:29:53] [Server thread/WARN]: at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2570)
[19:29:53] [Server thread/WARN]: at com.mysql.jdbc.StatementImpl.executeQuery(StatementImpl.java:1474)
[19:29:53] [Server thread/WARN]: at ru.pa4ok.mysql.MySQLWorker.GetPlayerStats(MySQLWorker.java:74)
[19:29:53] [Server thread/WARN]: at ru.pa4ok.iphistory.Events.onJoin(Events.java:18)
[19:29:53] [Server thread/WARN]: at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
[19:29:53] [Server thread/WARN]: at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
[19:29:53] [Server thread/WARN]: at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
[19:29:53] [Server thread/WARN]: at java.lang.reflect.Method.invoke(Unknown Source)
[19:29:53] [Server thread/WARN]: at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:301)
[19:29:53] [Server thread/WARN]: at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62)
[19:29:53] [Server thread/WARN]: at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:502)
[19:29:53] [Server thread/WARN]: at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:487)
[19:29:53] [Server thread/WARN]: at net.minecraft.server.v1_8_R1.PlayerList.onPlayerJoin(PlayerList.java:272)
[19:29:53] [Server thread/WARN]: at net.minecraft.server.v1_8_R1.PlayerList.a(PlayerList.java:156)
[19:29:53] [Server thread/WARN]: at net.minecraft.server.v1_8_R1.LoginListener.b(LoginListener.java:109)
[19:29:53] [Server thread/WARN]: at net.minecraft.server.v1_8_R1.LoginListener.c(LoginListener.java:41)
[19:29:53] [Server thread/WARN]: at net.minecraft.server.v1_8_R1.NetworkManager.a(NetworkManager.java:159)
[19:29:53] [Server thread/WARN]: at net.minecraft.server.v1_8_R1.ServerConnection.c(ServerConnection.java:82)
[19:29:53] [Server thread/WARN]: at net.minecraft.server.v1_8_R1.MinecraftServer.z(MinecraftServer.java:800)
[19:29:53] [Server thread/WARN]: at net.minecraft.server.v1_8_R1.DedicatedServer.z(DedicatedServer.java:316)
[19:29:53] [Server thread/WARN]: at net.minecraft.server.v1_8_R1.MinecraftServer.y(MinecraftServer.java:634)
[19:29:53] [Server thread/WARN]: at net.minecraft.server.v1_8_R1.MinecraftServer.run(MinecraftServer.java:537)
[19:29:53] [Server thread/WARN]: at java.lang.Thread.run(Unknown Source)
[19:29:53] [Server thread/WARN]: Caused by: java.io.EOFException: Can not read response from server. Expected to read 4 bytes, read 0 bytes before connection was unexpectedly lost.
[19:29:53] [Server thread/WARN]: at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2529)
[19:29:53] [Server thread/WARN]: at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:2979)
[19:29:53] [Server thread/WARN]: ... 28 more
(прикрепляю ниже)
при надобности могу скинуть весь код, напишите в ЛС
Вложения
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