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Java(TM) 2 Platform, Standard Edition, v1.2.2 API Specification: Class SQLException - JDK 5 Documentation v1.2.2, Java 2 SDK 英文文档

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java.sql
Class SQLException

java.lang.Object
  |
  +--java.lang.Throwable
        |
        +--java.lang.Exception
              |
              +--java.sql.SQLException

Direct Known Subclasses:

BatchUpdateException, SQLWarning

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public class SQLException

extends Exception

An exception that provides information on a database access error.

Each SQLException provides several kinds of information:

• a string describing the error. This is used as the Java Exception message, available via the method getMesage.
• a "SQLstate" string, which follows the XOPEN SQLstate conventions. The values of the SQLState string are described in the XOPEN SQL spec.
• an integer error code that is specific to each vendor. Normally this will be the actual error code returned by the underlying database.
• a chain to a next Exception. This can be used to provide additional error information.

See Also:

Serialized Form

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Constructor Summary

SQLException()           Constructs an SQLException object; reason defaults to null, SQLState defaults to null, and vendorCode defaults to 0.

SQLException(String reason)           Constructs an SQLException object with a reason; SQLState defaults to null, and vendorCode defaults to 0.

SQLException(String reason, String SQLState)           Constructs an SQLException object with a reason and SQLState; vendorCode defaults to 0.

SQLException(String reason, String SQLState, int vendorCode)           Constructs a fully-specified SQLException object.

 

Method Summary
int	getErrorCode()           Retrieves the vendor-specific exception code for this SQLException object.
SQLException	getNextException()           Retrieves the exception chained to this SQLException object.
String	getSQLState()           Retrieves the SQLState for this SQLException object.
void	setNextException(SQLException ex)           Adds an SQLException object to the end of the chain.

 

Methods inherited from class java.lang.Throwable

fillInStackTrace, getLocalizedMessage, getMessage, printStackTrace, printStackTrace, printStackTrace, toString

 

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

 

Constructor Detail

SQLException

public SQLException(String reason,
                    String SQLState,
                    int vendorCode)

Constructs a fully-specified SQLException object.

Parameters:

reason - a description of the exception

SQLState - an XOPEN code identifying the exception

vendorCode - a database vendor-specific exception code

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SQLException

public SQLException(String reason,
                    String SQLState)

Constructs an SQLException object with a reason and SQLState; vendorCode defaults to 0.

Parameters:

reason - a description of the exception

SQLState - an XOPEN code identifying the exception

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SQLException

public SQLException(String reason)

Constructs an SQLException object with a reason; SQLState defaults to null, and vendorCode defaults to 0.

Parameters:

reason - a description of the exception

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SQLException

public SQLException()

Constructs an SQLException object; reason defaults to null, SQLState defaults to null, and vendorCode defaults to 0.

Method Detail

getSQLState

public String getSQLState()

Retrieves the SQLState for this SQLException object.

Returns:

the SQLState value

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getErrorCode

public int getErrorCode()

Retrieves the vendor-specific exception code for this SQLException object.

Returns:

the vendor's error code

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getNextException

public SQLException getNextException()

Retrieves the exception chained to this SQLException object.

Returns:

the next SQLException in the chain; null if none

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setNextException

public void setNextException(SQLException ex)

Adds an SQLException object to the end of the chain.

Parameters:

ex - the new exception that will be added to the end of the SQLException chain

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