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Java(TM) EE 8 Web Profile Specification APIs

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package javax.ejb;

/**
 * This exception indicates that an attempt was made to perform an
 * illegal loopback invocation.   One possible cause is a loopback
 * call to a singleton bean's container-managed concurrency Lock(WRITE) 
 * method where the current thread does not already hold a WRITE lock.
 *
 * @since EJB 3.1
 */
public class IllegalLoopbackException extends ConcurrentAccessException {

    private static final long serialVersionUID = -8854624128500916709L;

    public IllegalLoopbackException() {}

    public IllegalLoopbackException(String message) {
        super(message);
    }

}