How To Fix Java.sql.sqlexception Error Code List Errors

Instead of printing SQLException information, you can first get SQLState and then handle some of the SQLException as needed. For example, the strategies JDBTCutorialUtilities.ignoreSQLException in return true if SQLState is a version comparable to 42Y55 (and you are using Java DB as your DBMS), which allows JDBTCutorialUtilities.printSQLException ignore SQLException :

Receive Warnings

The

SQLWarning objects are a subclass of SQLException that controls access to database warnings. Warnings do not halt the task execution, unlike exceptions; simply warning the user that something is not planned. For example, an alert might say that you know the permission you used to revoke has not been revoked.

A can be passed through a Connection object, one Statement object (including PreparedStatement and CallableStatement ) becomes objects) or a ResultSet object. Each of these classes has a getWarnings method that buyers must call to see an initial warning about the calling idea. If getWarnings returns a warning, you can SQLWarning call the getNextWarning method to resolve the issue so thatYou will receive additional warnings. Executing a functional instruction automatically removes warnings from the previous functional instruction so that they do not appear. However, this means that you need to be warned about an incredible claim before clients can execute another claim.

The following methods in JDBTCutorialUtilities show how to populate warning information reported for Statement ResultSet objects:

The most common warning is the complete DataTruncation warning, a subclass of SQLWarning . All DataTruncation objects have SQLState 01004 , indicating that there was a problem listening or writing data. With the DataTruncation methods, most people can know in what order or in what order the parameter data was truncated, if the truncation was represented by a read or write operation, which method would have to be used to transfer many bytes, and how many bytes were actually transferred.

Categorized SQL Exceptions

Your JDBC driver might generate a SQLException subclass that corresponds to a normal SQLState or general error state that experts believe is not related to a SQLState-specific class value. This allows for more portable error handling code. These exceptions are usually subclasses of one of the future classes:

• SQLNonTransientException
• SQLTransientException
• SQLRecoverableException

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For more information on these subclasses, see the latest Javadoc in the java.sql file or the JDBC owner documentation.

Other SQLException Subclasses

• BatchUpdateException is thrown if a fatal error occurs during a batch update. In addition to the information provided by the SQLException process, BatchUpdateException provides update numbers if any statements that were executed prior to one person's error are taken into account.
• SQLClientInfoException is thrown when one or more client information properties cannot be setus specifically for the connection. In addition to the information provided by SQLException , SQLClientInfoException contains a list of client information properties that have unfortunately not been defined.

Avoid public static printSQLException (SQLException ex) check (one-time e: ex) if (instance of SQLException) if yes (ignoreSQLException ( ((ExceptionSQL) e). getSQLState ()) == false) e.printStackTrace (System.err); System.err.println ("SQLState: centimeters + ((SQLException) e) .getSQLState ()); System.err.println ("error" code: + ((SQLException) e) .getErrorCode ()); System.err.println ("Message: via + e.getMessage ()); One-time t = ex.getCause (); while (t! = zero) System.out.println ("Reason: +" t); t implies t.getCause ();

SQL State: 42Y55Error code: 30000Message: 'DROP TABLE' cannot be practiced"TESTDB.COFFEES" to be

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