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Java mysql get error code

close( ) ; if ( pStmt! ignored) { } } public void closeQuietly( Statement stmt) { try { if ( stmt! close( ) ; } catch ( Exception ignored) { } } }. I want to show a specific message in the UI based on the sqlError code. here I can catch the java. RemoteException but couldn' t find a way to get SQL error code. I tried to print remoteException. You could print the exception that you' re catching in your regp constructor: } catch ( Exception e) { e. printStackTrace( ) ; }. You may also want to look at prepared statements rather than constructing your SQL via string. Hashtable; / * * * SQLError is a utility class that maps MySQL error codes to X/ Open * error codes as is required by the JDBC spec.

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    Code mysql java

    * * Mark Matthews < mmatthew_ at_ worldserver. com> * $ Id: SQLError. You encountered error when try to use an uninitialized connection instance Connection conn = null; / / declared & initialized. Code: Connection. getConnection( " jdbc: mysql: / / localhost: 3306/ database", " alexis", " pass" ) ; } catch ( SQLException e). prepareStatement( sqlStrQuery) ; ) { / / execution code here. You can check out this: - public static void printSQLException( SQLException ex) { for ( Throwable e : ex) { if ( e instanceof SQLException) { if ( ignoreSQLException( ( ( SQLException) e). getSQLState( ) ) = = false) { e. Get Error Code, SQL State, Message : SQLException « Database SQL JDBC « Java. executeQuery( " Select * from no_ table_ exisits" ) ; } catch ( SQLException seRs) { String exMsg = " Message from MySQL Database" ; String exSqlState. Looks like mysql is throwing 1062 error code for duplicate primary key. You can check the error code for your sql exception : public static final int MYSQL_ DUPLICATE_ PK = 1062; try{ / / code that throws sql exception }. Add the mysql- connector- java- 5.

    jar in the WEB- INF/ lib folder. print( " Connection estd" ) ; } catch ( Exception e) { System. print( " Error : " + e. You can also getconnection in your sevelet using following code. please mention full error/ exception information. MySQLSyntaxErrorException: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near ' password= ' 1234' ' at line 1. And here' s my code: import java.