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  1. ,
    Expert tip

    MySQL doesn't support some types of characters (such as emojis) with the utf8 encoding. You need to be on MySQL 5.5+ and force utf8mb4 (everywhere, client and server). You can do this sending the query "SET NAMES utf8mb4". Check this https://goo.gl/3E2qzg

  2. ,

    Make sure you are using InnoDB storage engine and READ-COMMITTED transaction isolation level and increase the database server innodb_lock_wait_timeout variable to about 500.

Solutions on the web

via spigotmc.org by Unknown author, 1 year ago
via Stack Overflow by Buffalo
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Incorrect string value: '\xDF\x9A...' for column 'path' at row 1
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via Stack Overflow by kris14an
, 2 years ago
Incorrect string value: '\xB3\xF3\xBF\xBC\xE6\xBF...' for column 'content' at row 1
via wordpress.com by Unknown author, 2 years ago
Incorrect string value: '\xCF\x82 \xCE\xBC\xCE...' for column 'body' at row 1
java.sql.SQLException: Field 'uuid' doesn't have a default value	at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:1073)	at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3593)	at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3525)	at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:1986)	at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2140)	at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2620)	at com.mysql.jdbc.StatementImpl.executeUpdate(StatementImpl.java:1662)	at com.mysql.jdbc.StatementImpl.executeUpdate(StatementImpl.java:1581)	at me.kubqoa.creativecontrol.Methods.updateSQL(Methods.java:352)	at me.kubqoa.creativecontrol.WriteToDB.run(WriteToDB.java:45)	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71)	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350)	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:722)	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:374)	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:653)	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:556)	at java.lang.Thread.run(Unknown Source)