to entries within the private component
 namespace can be passed as unqualified strings. In that case the lookup will be relative to
 <code>"java:comp/env/"</code>.

 For example, assuming an enterprise bean defines an <code>ejb-local-ref</code> with <code>ejb-ref-name</code>
 <code>"ejb/BarRef"</code> the following two calls to <code> EJBContext.lookup</code> are equivalent :

 <code>ejbContext.lookup("ejb/BarRef")</code>; <code>ejbContext.lookup("java:comp/env/ejb/BarRef")</code>;</div>
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