是否需要设置访问同一表的串行级别

Duplicate entry java程序发生 多台机器访问同台数据库服务器发生Duplicate entry错误
是否需要设置访问同一表的串行级别om.mysql.jdbc.exceptions.jdbc4.MySQLIntegrityConstraintViolationException: Duplicate entry 'https://beta-
api.456.com' for key 2 at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:406) at com.mysql.jdbc.Util.getInstance(Util.java:381) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:1016) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:957) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3376) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3308) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:1837) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:1961) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2543) at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1737) at com.mysql.jdbc.PreparedStatement.executeUpdate(PreparedStatement.java:2022) at com.mysql.jdbc.PreparedStatement.executeUpdate(PreparedStatement.java:1940) at com.mysql.jdbc.PreparedStatement.executeUpdate(PreparedStatement.java:1925) at org.apache.tomcat.dbcp.dbcp.DelegatingPreparedStatement.executeUpdate(DelegatingPreparedStatement.java:101) ... 22 more