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Samebug tips

  1. ,

    Check whether privilege has the "not null" restriction. If so it always has to have a value and can never be null.

    A different reason could be a wrong implementation of a foreign key. Check whether you always correctly insert/update in both tables.

  2. ,

    Nothing is wrong with the database. When it gives you those errors, it's telling you that you are trying to input "nothing" (null) into a column that doesn't allow it. Fix it by removing the not null constraint or by passing a value to that field.

Solutions on the web

com.mysql.jdbc.exceptions.jdbc4.MySQLIntegrityConstraintViolationException: Duplicate entry 'visin' for key 'UK_n4350d6kihgn8ls1p4508pwut'	at sun.reflect.GeneratedConstructorAccessor85.newInstance(Unknown Source)	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(	at java.lang.reflect.Constructor.newInstance(	at com.mysql.jdbc.Util.handleNewInstance(	at com.mysql.jdbc.Util.getInstance(	at com.mysql.jdbc.SQLError.createSQLException(	at com.mysql.jdbc.MysqlIO.checkErrorPacket(	at com.mysql.jdbc.MysqlIO.checkErrorPacket(	at com.mysql.jdbc.MysqlIO.sendCommand(	at com.mysql.jdbc.MysqlIO.sqlQueryDirect(	at com.mysql.jdbc.ConnectionImpl.execSQL(	at com.mysql.jdbc.PreparedStatement.executeInternal(	at com.mysql.jdbc.PreparedStatement.executeUpdateInternal(	at com.mysql.jdbc.PreparedStatement.executeUpdateInternal(	at com.mysql.jdbc.PreparedStatement.executeLargeUpdate(	at com.mysql.jdbc.PreparedStatement.executeUpdate(	at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.executeUpdate(