toplink-essentials

Error While acquiring Client session in TopLink

Hi, I am facing a peculiar issue. Below is the stack trace of what error i am getting.Please help. Exception [TOPLINK-7001] (Oracle TopLink - 11g Release 1 (11.1.1.1.0) (Build 090527)): oracle.toplink.exceptions.ValidationException Exception Description: You must login to the ServerSession before acquiring ClientSessions. at oracle.to...

The @JoinColumns on the annotated element [...] from the entity class [...] is incomplete.

I make use of: NetBeans IDE 6.7.1, GlassFish v2.1, Oracle 10g XE, JAVA 6 SE, JAVA 5 EE. I have problem with an @ManyToMany annotation: @ManyToMany(fetch=FetchType.EAGER) @JoinTable(name="CUST_RENT_MOVIE", joinColumns={@JoinColumn(name="CUST_ID")}, inverseJoinColumns={@JoinColumn(name="TITLE")}) private Collection<CustRentMovie> rents ...