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POSpring Security + JPA user schema
 

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  1. POSpring Security + JPA user schema
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    <p>As per Spring documentation if you need to manage spring security via database you should have some standard schema of tables. for example.</p> <pre><code>create table users( username varchar(256) not null primary key, password varchar(256) not null, enabled boolean not null ); create table authorities ( username varchar(256) not null, authority varchar(256) not null, constraint fk_authorities_users foreign key(username) references users(username) ); create unique index ix_auth_username on authorities (username,authority); </code></pre> <p>The problem I am facing is following. 1) Not able to understand how could I achieve such schema of tables using JPA?</p> <p>I have tried something as follows.</p> <pre><code>@Entity @Table(name="USERS") public class UsersPersistence extends Users implements Serializable{ private static final long serialVersionUID = 1009548075747154488L; public UsersPersistence() { super(); } public UsersPersistence(long id, String userName, String password, boolean enabled) { super(id, userName,password,enabled); } @Id @GeneratedValue @Column(name="id") @Override public long getId() { return super.getId(); } @Column(name="username", nullable=false) @Override public String getUserName() { return super.getUserName(); } @Column(name="password", nullable=false) @Override public String getPassword() { return super.getPassword(); } @Column(name="enabled", nullable=false) @Override public boolean isEnabled() { return super.isEnabled(); } } </code></pre> <p>This table created as per requirement stated in Spring documentation schema. Problem in understanding is when i am trying to assign a foreign key on username in authorities table.Since JPA assign the foreign key's via the id of parent table (primary key Table) Or may be i do not know how to assign it.</p> <p>Following is the JPA class which create problem :-</p> <pre><code>@Entity @Table(name="AUTHORITIES") public class AuthoritiesPersistence extends Authorities implements Serializable{ private static final long serialVersionUID = 1L; public AuthoritiesPersistence() { super(); } public AuthoritiesPersistence(long id, UsersPersistence userName, String authority) { super(id,userName,authority); } @Id @GeneratedValue @Column(name="id") @Override public long getId() { return super.getId(); } @Override @ManyToOne(cascade=CascadeType.ALL) @JoinColumn(name="username", nullable=false) public UsersPersistence getUserName() { return (UsersPersistence) super.getUserName(); } @Column(name="authority", nullable=false) @Override public String getAuthority() { return super.getAuthority(); } } </code></pre> <p>This table is created successfully but Spring security authentication is not able to recognize the username because JPA uses the foreign key id than the actual user name.</p> <p>Any help would be appreciable. I am really stuck in creating a foreign key which will be based on the username rather than the id. Thanks </p>
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    1. This table or related slice is empty.
    1. USDheeraj Varne
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    1. This table or related slice is empty.
    1. COYou don't have an id specified in your table.
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      1. POSpring Security + JPA user schema
      1. USKevin Bowersox
    2. COFirst of all thanks for your quick reply @Kelvin . Id is specified in both the table. Both persistence classes extends some parent class. Those classes have id and in persistence classes i am just overriding those getters and assign them as in table id column.
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      1. POSpring Security + JPA user schema
      1. USDheeraj Varne
    3. COBut the ddl makes no mention of the id column
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      1. POSpring Security + JPA user schema
      1. USKevin Bowersox
 

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