<div dir="ltr">Hi,<br><div class="gmail_extra"><br><div class="gmail_quote">On Sun, Mar 15, 2015 at 11:21 AM, Martin Fryč <span dir="ltr"><<a href="mailto:martin@fryc.eu" target="_blank">martin@fryc.eu</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex"><div dir="ltr"><div>If async events will be processed in similar way as async EJB methods - usually implemented in app servers as one shared thread pool with limited application control (discard policy, ...), both of these events will share one thread pool and some type of events could fully blocked it and "stop" application.<br></div></div></blockquote><div><br></div><div>Indeed, especially if it will be possible to wait for all async events to have completed, the risk for deadlock is very real.</div><div><br></div><div>This was explained in some more detail here: <a href="https://java.net/jira/browse/EJB_SPEC-9?focusedCommentId=345825&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-345825">https://java.net/jira/browse/EJB_SPEC-9?focusedCommentId=345825&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-345825</a></div><div><br></div><div>Kind regards,</div><div>Arjan Tijms</div><div><br></div><div> </div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex"><div dir="ltr"><div></div><div><br></div><div>If threre will be some policy API like:</div><div><br></div><div>java.util.concurrent.ExecutorService dispatch(T event, Annotation... qualifiers)</div><div><br></div><div>it will allow application to decide which thread pool should be used for which type of event.</div><div>In EE environment, it must be ManagedExecutorService looked it up from JNDI, in SE environment it could be ExecutorService created for applications needs.</div><span class=""><font color="#888888"><div><br></div><div>Martin</div></font></span></div>
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