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## org.springframework.jdbc.support
Class SQLExceptionSubclassTranslator

    java.lang.Object
      org.springframework.jdbc.support.AbstractFallbackSQLExceptionTranslator
          org.springframework.jdbc.support.SQLExceptionSubclassTranslator

All Implemented Interfaces:
  SQLExceptionTranslator

    public class SQLExceptionSubclassTranslator

extends AbstractFallbackSQLExceptionTranslator

`SQLExceptionTranslator` implementation which analyzes the specific `SQLException` subclass thrown by the JDBC driver.

This is only available with JDBC 4.0 and later drivers when using Java 6 or later. Falls back to a standard `SQLStateSQLExceptionTranslator` if the JDBC driver does not actually expose JDBC 4 compliant `SQLException` subclasses.

Since:
  2.5
Author:
  Thomas Risberg, Juergen Hoeller
See Also:
  `SQLTransientException`, `SQLTransientException`, `SQLRecoverableException`

Field Summary

Fields inherited from class org.springframework.jdbc.support.AbstractFallbackSQLExceptionTranslator
`logger`

Constructor Summary
`SQLExceptionSubclassTranslator()`

Method Summary
`protected DataAccessException` | `doTranslate(String task, String sql, SQLException ex)` Template method for actually translating the given exception.

Methods inherited from class org.springframework.jdbc.support.AbstractFallbackSQLExceptionTranslator
`buildMessage, getFallbackTranslator, setFallbackTranslator, translate`

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Constructor Detail

### SQLExceptionSubclassTranslator

    public SQLExceptionSubclassTranslator()

Method Detail

### doTranslate

    protected DataAccessException doTranslate(String task,
                                              String sql,
                                              SQLException ex)

  Description copied from class: `AbstractFallbackSQLExceptionTranslator`
  Template method for actually translating the given exception.

  The passed-in arguments will have been pre-checked. Furthermore, this method is allowed to return `null` to indicate that no exception match has been found and that fallback translation should kick in.

  Specified by:
    `doTranslate` in class `AbstractFallbackSQLExceptionTranslator`
  Parameters:
    `task` - readable text describing the task being attempted
    `sql` - SQL query or update that caused the problem (may be `null`)
    `ex` - the offending `SQLException`
  Returns:
    the DataAccessException, wrapping the `SQLException`; or `null` if no exception match found

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