[ JDK VERSION : 1.5.0_06 ]

I get an "Unexpected Error" message when generating entities from database with the schema attached below. I am using derby as the database.

create table CUSTOMER (
                ID                                    INTEGER GENERATED BY DEFAULT AS IDENTITY PRIMARY KEY,
                FIRST_NAME                            VARCHAR(255),
                MIDDLE_NAME                           VARCHAR(255),
                LAST_NAME                             VARCHAR(255),
                PRIMARY_ADDRESS_LINE1                 VARCHAR(255),
                PRIMARY_ADDRESS_LINE2                 VARCHAR(255),
                PRIMARY_ADDRESS_CITY                  VARCHAR(255),
                PRIMARY_ADDRESS_STATE_ID              INTEGER,
                PRIMARY_ADDRESS_ZIP                   VARCHAR(255),
                SECONDARY_ADDRESS_LINE1               VARCHAR(255),
                SECONDARY_ADDRESS_LINE2               VARCHAR(255),
                SECONDARY_ADDRESS_CITY                VARCHAR(255),
                SECONDARY_ADDRESS_STATE_ID            INTEGER,
                SECONDARY_ADDRESS_ZIP                 VARCHAR(255)
                );

create table STATE(
                ID                                    INTEGER GENERATED BY DEFAULT AS IDENTITY PRIMARY KEY,
                NAME                                  VARCHAR(255) NOT NULL,
                CODE                                  VARCHAR(255) NOT NULL
                );

ALTER TABLE STATE ADD CONSTRAINT INDEX_STATE_NAME UNIQUE (NAME);
ALTER TABLE STATE ADD CONSTRAINT INDEX_STATE_CODE UNIQUE (CODE);
                

alter table CUSTOMER
                add constraint  FK_CUSTOMER_PRIMARY_ADDRESS_STATE_ID
                foreign key     (PRIMARY_ADDRESS_STATE_ID)
                references      STATE (ID);

alter table CUSTOMER
                add constraint  FK_CUSTOMER_SECONDARY_ADDRESS_STATE_ID
                foreign key     (SECONDARY_ADDRESS_STATE_ID)
                references      STATE (ID);