ORA-28183 when connect proxy user with password from java

1. Create user on database 10.2.0.1.0
create user scott identified by tiger;
create user jeff identified by secnt;
grant connect, resource to scott;
grant create session to jeff;
alter user jeff grant connect through scott authenticated using password;
2. Try to open proxy session from java
DriverManager.registerDriver(new OracleDriver());
Connection conn = DriverManager.getConnection("jdbc:oracle:thin:@//db.garage:1521/ILINK", "scott", "tiger");
if (conn != null && conn instanceof OracleConnection) {
     Properties properties = new Properties();
     properties.put(OracleConnection.PROXY_USER_NAME, "jeff");
     properties.put(OracleConnection.PROXY_USER_PASSWORD, "secnt");
     ((OracleConnection)conn).openProxySession(OracleConnection.PROXYTYPE_USER_NAME, properties);
     ((OracleConnection)conn).close(OracleConnection.PROXY_SESSION);
conn.close();
3. Got the following error for step 2
Exception in thread "main" java.sql.SQLException: ORA-28183: proper authentication not provided by proxy
     at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:138)
     at oracle.jdbc.driver.T4CTTIoer.processError(T4CTTIoer.java:316)
     at oracle.jdbc.driver.T4CTTIoer.processError(T4CTTIoer.java:277)
     at oracle.jdbc.driver.T4CTTIoer.processError(T4CTTIoer.java:272)
     at oracle.jdbc.driver.T4CTTIoauthenticate.receiveOauth(T4CTTIoauthenticate.java:647)
     at oracle.jdbc.driver.T4CConnection.doProxySession(T4CConnection.java:852)
     at oracle.jdbc.driver.PhysicalConnection.openProxySession(PhysicalConnection.java:1548)
     at ch.tie.cluster.Test.run(Test.java:30)
     at ch.tie.cluster.Test.main(Test.java:19)
4. If i grant connect without using password like:
alter user jeff grant connect through scott
everything is fine, but i need password authentication.
Thanks in advance.

did you try using the oci driver?

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    Hope this helps.  Let me know if it does/doesn't.
    DFLovesBikes
    p.s. I apologize if the directions were excessively explicit, but I was thinking about my 73 year-old mother trying to follow them, so I erred on the side of making them more understandable.  Good luck.

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