JDBC driver

Hi,

I have a problem of building a JDBC driver in LINUX environment.

Postgresql server: 7.4.3
The version of Apache Ant: 1.5.2-23
Linux: 2.4.21-27.0.2.EL #1 Wed Jan 12 23:35:46 EST 2005 i686 athlon i386 GNU/Linux
The version of JDBC driver to be built: 3

Error messages:
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Buildfile: ./build.xml

all:

prepare:

check_versions:

check_driver:

driver:

compile:
    [javac] Compiling 77 source files to /tmp/jdbc-driver/build
    [javac] /tmp/jdbc-driver/org/postgresql/jdbc3/Jdbc3Statement.java:28: error: Invalid checked exception class `java.sql.SQLException' in `throws' clause. The exception must be a subclass of an exception thrown by `org.postgresql.jdbc1.AbstractJdbc1Statement.createRefCursorResultSet(java.lang.String)' from class `org.postgresql.jdbc1.AbstractJdbc1Statement'.

    [javac]             public PGRefCursorResultSet createRefCursorResultSet (String cursorName) throws SQLException
    [javac]                                          ^
    [javac] /tmp/jdbc-driver/org/postgresql/jdbc3/Jdbc3PreparedStatement.java:23: error: Invalid checked exception class `java.sql.SQLException' in `throws' clause. The exception must be a subclass of an exception thrown by `org.postgresql.jdbc1.AbstractJdbc1Statement.createRefCursorResultSet(java.lang.String)' from class `org.postgresql.jdbc1.AbstractJdbc1Statement'.

    [javac]             public PGRefCursorResultSet createRefCursorResultSet (String cursorName) throws SQLException
    [javac]                                          ^
    [javac] /tmp/jdbc-driver/org/postgresql/jdbc3/Jdbc3PoolingDataSource.java:29: error: Method `org.postgresql.jdbc2.optional.PoolingDataSource.getDataSource(java.lang.String)' was defined with return type `org.postgresql.jdbc2.optional.PoolingDataSource' in class `org.postgresql.jdbc2.optional.PoolingDataSource'.

    [javac]        static Jdbc3PoolingDataSource getDataSource(String name)
    [javac]                                      ^
    [javac] /tmp/jdbc-driver/org/postgresql/jdbc3/Jdbc3CallableStatement.java:23: error: Invalid checked exception class `java.sql.SQLException' in `throws' clause. The exception must be a subclass of an exception thrown by `org.postgresql.jdbc1.AbstractJdbc1Statement.createRefCursorResultSet(java.lang.String)' from class `org.postgresql.jdbc1.AbstractJdbc1Statement'.

    [javac]             public PGRefCursorResultSet createRefCursorResultSet (String cursorName) throws SQLException
    [javac]                                          ^
    [javac] 4 errors

BUILD FAILED
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Any idea of fixing this?
Thank you for your attention.
Richard

***********************************************************************
Richard Wong
Atlas Centre
Rutherford Appleton Laboratory
Oxfordshire
United Kingdom
OX11 0QX

Telephone: 01235-446075
Email:  r.y.m.wong@rl.ac.uk
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