<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<html>
<body link="#355491" alink="#4262a1" vlink="#355491" style="background: #e2e2e2; margin: 0; padding: 20px;">
<div>
<table cellpadding="0" bgcolor="#FFFFFF" border="0" cellspacing="0" style="border: 1px solid #dadada; margin-bottom: 30px; width: 100%; -moz-border-radius: 6px; -webkit-border-radius: 6px;">
<tbody>
<tr>
<td>
<table border="0" cellpadding="0" cellspacing="0" bgcolor="#FFFFFF" style="border: solid 2px #ccc; background: #dadada; width: 100%; -moz-border-radius: 6px; -webkit-border-radius: 6px;">
<tbody>
<tr>
<td bgcolor="#000000" valign="middle" height="58px" style="border-bottom: 1px solid #ccc; padding: 20px; -moz-border-radius-topleft: 3px; -moz-border-radius-topright: 3px; -webkit-border-top-right-radius: 5px; -webkit-border-top-left-radius: 5px;">
<h1 style="color: #333333; font: bold 22px Arial, Helvetica, sans-serif; margin: 0; display: block !important;">
<!-- To have a header image/logo replace the name below with your img tag -->
<!-- Email clients will render the images when the message is read so any image -->
<!-- must be made available on a public server, so that all recipients can load the image. -->
<a href="https://community.jboss.org/index.jspa" style="text-decoration: none; color: #E1E1E1">JBoss Community</a></h1>
</td>
</tr>
<tr>
<td bgcolor="#FFFFFF" style="font: normal 12px Arial, Helvetica, sans-serif; color:#333333; padding: 20px; -moz-border-radius-bottomleft: 4px; -moz-border-radius-bottomright: 4px; -webkit-border-bottom-right-radius: 5px; -webkit-border-bottom-left-radius: 5px;"><h3 style="margin: 10px 0 5px; font-size: 17px; font-weight: normal;">
EJB asynchronous method
</h3>
<span style="margin-bottom: 10px;">
created by <a href="https://community.jboss.org/people/maverik87">maverik87</a> in <i>EJB3 Development</i> - <a href="https://community.jboss.org/message/748868#748868">View the full discussion</a>
</span>
<hr style="margin: 20px 0; border: none; background-color: #dadada; height: 1px;">
<div class="jive-rendered-content"><p>I'm using JBoss 7.1.1 final. I have a stateful EJB with an asynchronous method. From a jsp I call a synchronous method of the previous EJB and this method call the asynchronous one of the same EJB via proxy.</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><code><span class="lit">@Stateful</span><span class="pln"><br/></span><span class="lit">@Remote</span><span class="pun">(</span><span class="typ">IExcursionDAOWithPrefetch</span><span class="pun">.</span><span class="kwd">class</span><span class="pun">)</span><span class="pln"><br/></span><span class="kwd">public</span><span class="pln"> </span><span class="kwd">class</span><span class="pln"> </span><span class="typ">ExcursionDAOWithPrefetch</span><span class="pln"> </span><span class="kwd">implements</span><span class="pln"> </span><span class="typ">IExcursionDAOWithPrefetch</span><span class="pln"> </span><span class="pun">{</span><span class="pln"><br/>  </span><span class="lit">@Resource</span><span class="pln"> </span><span class="typ">SessionContext</span><span class="pln"> ctx</span><span class="pun">;</span><span class="pln"><br/>  </span><span class="lit">@EJB</span><span class="pun">(</span><span class="pln">lookup</span><span class="pun">=...)</span><span class="pln"> </span><span class="typ">IExcursionDAO</span><span class="pln"> excursionDAO</span><span class="pun">;</span><span class="pln"><br/><br/>  </span><span class="pun">...</span><span class="pln"><br/><br/>  </span><span class="kwd">public</span><span class="pln"> </span><span class="typ">Excursion</span><span class="pln"> findExcursionById</span><span class="pun">(</span><span class="kwd">int</span><span class="pln"> id</span><span class="pun">,</span><span class="pln"> </span><span class="kwd">boolean</span><span class="pln"> loadCoordinates</span><span class="pun">)</span><span class="pln"> </span><span class="pun">{</span><span class="pln"><br/>    </span><span class="com">// Retrieve from cache</span><span class="pln"><br/>    </span><span class="typ">Excursion</span><span class="pln"> excursion </span><span class="pun">=</span><span class="pln"> cache</span><span class="pun">.</span><span class="pln">getExcursionById</span><span class="pun">(</span><span class="pln">id</span><span class="pun">);</span><span class="pln"><br/>    </span><span class="kwd">if</span><span class="pun">(</span><span class="pln">excursion </span><span class="pun">==</span><span class="pln"> </span><span class="kwd">null</span><span class="pun">)</span><span class="pln"> </span><span class="pun">{</span><span class="pln"><br/>        </span><span class="com">// Retrieve from database</span><span class="pln"><br/>        excursion </span><span class="pun">=</span><span class="pln"> excursionDAO</span><span class="pun">.</span><span class="pln">findExcursionById</span><span class="pun">(</span><span class="pln">id</span><span class="pun">,</span><span class="pln"> loadCoordinates</span><span class="pun">);</span><span class="pln"><br/>        logger</span><span class="pun">.</span><span class="pln">info</span><span class="pun">(</span><span class="str">"excursion not in cache"</span><span class="pun">);</span><span class="pln"><br/>    </span><span class="pun">}</span><span class="pln"><br/>    </span><span class="kwd">else</span><span class="pln"> </span><span class="pun">{</span><span class="pln"><br/>        logger</span><span class="pun">.</span><span class="pln">info</span><span class="pun">(</span><span class="str">"excursion in cache"</span><span class="pun">);</span><span class="pln"><br/>    </span><span class="pun">}</span><span class="pln"><br/>    ctx</span><span class="pun">.</span><span class="pln">getBusinessObject</span><span class="pun">(</span><span class="typ">IExcursionDAOWithPrefetch</span><span class="pun">.</span><span class="kwd">class</span><span class="pun">).</span><span class="pln">loadCache</span><span class="pun">(</span><span class="pln">excursion</span><span class="pun">);</span><span class="pln"><br/><br/>    </span><span class="kwd">return</span><span class="pln"> excursion</span><span class="pun">;</span><span class="pln"><br/>  </span><span class="pun">}</span><span class="pln"><br/><br/>  </span><span class="lit">@Asynchronous</span><span class="pln"><br/>  </span><span class="kwd">public</span><span class="pln"> </span><span class="kwd">void</span><span class="pln"> loadCache</span><span class="pun">(</span><span class="typ">Excursion</span><span class="pln"> excursion</span><span class="pun">)</span><span class="pln"> </span><span class="pun">{</span><span class="pln">      <br/>    </span><span class="kwd">if</span><span class="pun">(</span><span class="pln">excursion </span><span class="pun">!=</span><span class="pln"> </span><span class="kwd">null</span><span class="pun">)</span><span class="pln"> </span><span class="pun">{</span><span class="pln"><br/>        cache</span><span class="pun">.</span><span class="pln">invalidateCache</span><span class="pun">();</span><span class="pln"><br/>        cache</span><span class="pun">.</span><span class="pln">addExcursion</span><span class="pun">(</span><span class="pln">excursion</span><span class="pun">);</span><span class="pln"><br/>        </span><span class="typ">List</span><span class="pun"><</span><span class="typ">Excursion</span><span class="pun">></span><span class="pln"> closeExcursions </span><span class="pun">=</span><span class="pln"> excursionDAO</span><span class="pun">.</span><span class="pln">findCloseExcursions</span><span class="pun">(</span><span class="pln">excursion</span><span class="pun">,</span><span class="pln"> </span><span class="lit">10</span><span class="pun">);</span><span class="pln"><br/>        </span><span class="kwd">if</span><span class="pun">(</span><span class="pln">closeExcursions </span><span class="pun">!=</span><span class="pln"> </span><span class="kwd">null</span><span class="pun">)</span><span class="pln"> </span><span class="pun">{</span><span class="pln"><br/>            </span><span class="kwd">for</span><span class="pun">(</span><span class="typ">Excursion</span><span class="pln"> exc </span><span class="pun">:</span><span class="pln"> closeExcursions</span><span class="pun">)</span><span class="pln"> </span><span class="pun">{</span><span class="pln"><br/>                cache</span><span class="pun">.</span><span class="pln">addExcursion</span><span class="pun">(</span><span class="pln">exc</span><span class="pun">);</span><span class="pln"><br/>            </span><span class="pun">}</span><span class="pln"><br/>        </span><span class="pun">}</span><span class="pln"><br/>    </span><span class="pun">}</span><span class="pln"><br/>  </span><span class="pun">}</span><span class="pln"><br/></span><span class="pun">}</span></code></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><code>loadCache()</code> method is executed asynchronously but the jsp awaits its end even though it calls <code>findExcursionById()</code> method (and not <code>loadCache()</code>).</p><p>Can someone help me?</p></div>
<div style="background-color: #f4f4f4; padding: 10px; margin-top: 20px;">
<p style="margin: 0;">Reply to this message by <a href="https://community.jboss.org/message/748868#748868">going to Community</a></p>
<p style="margin: 0;">Start a new discussion in EJB3 Development at <a href="https://community.jboss.org/choose-container!input.jspa?contentType=1&containerType=14&container=2030">Community</a></p>
</div></td>
</tr>
</tbody>
</table>
</td>
</tr>
</tbody>
</table>
</div>
</body>
</html>