Feb 21, 2024 · In JDBC, when the program has trouble with a data source, it throws SQLException. Note: An SQLException can occur in the JDBC Driver or inside the database. Gets the error number associated with the exception. Gets the XOPEN SQLstate string. This method can return null.

Aug 26, 2015 · Use the catch statement to store the proper SQL exception as you want/need: try (ResultSet rs = statement.executeQuery(query)) { /* retrieve the data */ } catch (SQLException e) { /* handle the exception properly */ storeExceptionSomewhereElse(e); } //...

Nov 11, 2012 · This is an example of how to handle SQL Exceptions in Java. Handling SQL Exceptions implies that you should: Load the JDBC driver, using the forName(String className) API method of the Class. In this example we use the Oracle JDBC driver. Create a …

Apr 1, 2025 · Using Exception handling, we can handle the SQL Exception like we handle the normal exception. SQLException is available in the java.sql package. It extends the Exception class which means that we can use the methods available in the Exception class in the SQLException class as well.

Retrieve these exceptions by calling the method SQLException.getNextException on the exception that was thrown. Retrieving Exceptions. The following method, JDBCTutorialUtilities.printSQLException, outputs the SQLState, error code, error description, and cause (if there is one) contained in the SQLException as well as any other exception ...

In general, if your code needs to throw a type of Exception that the signature doesn't support, and you have no control over the interface, you can catch and rethrow as a type the interface does support. If your interface doesn't declare ANY checked exceptions, you can always throw a RuntimeException:

In this tutorial, we will explore how to handle SQLExceptions in Java using JDBC. Properly handling SQL exceptions is crucial for building robust and reliable database applications. We will cover the basics of SQL exceptions, how to handle them gracefully, and best practices for …

Jan 1, 2010 · Examples: primary key exception or foreign key exception. The best and DB-independent way to handle SQLException more specifically is to determine the SQL state code which can be obtained by SQLException#getSQLState().

Learn how to handle exceptions in Java MySQL with practical examples and best practices.

Constructs a SQLException object with a given reason and SQLState. The cause is not initialized, and may subsequently be initialized by a call to the Throwable.initCause(java.lang.Throwable) method.