1 om.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException: Unknown character set: 'utf8mb4' 2 at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) 3 at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57) 4 at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) 5 at java.lang.reflect.Constructor.newInstance(Constructor.java:526) 6 at com.mysql.jdbc.Util.handleNewInstance(Util.java:411) 7 at com.mysql.jdbc.Util.getInstance(Util.java:386) 8 at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:1052) 9 at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3609) 10 at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3541) 11 at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2002) 12 at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2163) 13 at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2618) 14 at com.mysql.jdbc.ConnectionImpl.configureClientCharacterSet(ConnectionImpl.java:1880) 15 at com.mysql.jdbc.ConnectionImpl.initializePropsFromServer(ConnectionImpl.java:3499) 16 at com.mysql.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:2384) 17 at com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2153) 18 at com.mysql.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:792)
問題描述：報Unknown character set: 'utf8mb4'異常，自己一開始也查找了許多資料，以為mysql6.0版本不支持，后來發現不是mysql數據庫引起的問題，而是mysql驅動引起的問題，
解決辦法：將mysql驅動改成 mysql-connector-java-5.1.6-bin.jar 版本，問題解決，高版本也不行，本人已試，希望給各位帶來幫助。
mysql驅動引起的jdbc4.MySQLSyntaxErrorException: Unknown character set: 'utf8mb4'問題解決
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