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/* Changing the layout to use less space for mobiles */
@media screen and (max-device-width: 480px), screen and (-webkit-min-device-pixel-ratio: 2) {
#email-body { min-width: 30em !important; }
#email-page { padding: 8px !important; }
#email-banner { padding: 8px 8px 0 8px !important; }
#email-avatar { margin: 1px 8px 8px 0 !important; padding: 0 !important; }
#email-fields { padding: 0 8px 8px 8px !important; }
#email-gutter { width: 0 !important; }
}
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<img id="email-avatar" src="https://community.jboss.org/people/maschmid/avatar/16.png" alt="" height="48" width="48" border="0" align="left" style="padding:0;margin: 0 16px 16px 0;" />
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<a class="user-hover" rel="maschmid" id="email_maschmid" href="https://issues.jboss.org/secure/ViewProfile.jspa?name=maschmid" style="color:#003366;">Marek Schmidt</a>
updated <img src="https://issues.jboss.org/images/icons/bug.gif" height="16" width="16" border="0" align="absmiddle" alt="Bug"> <a style='color:#003366;text-decoration:none;' href='https://issues.jboss.org/browse/JBSEAM-4993'>JBSEAM-4993</a>
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<a style='color:#003366;text-decoration:none;' href='https://issues.jboss.org/browse/JBSEAM-4993'><strong>Deadlock between SFSB EJB lock and Component.getInstanceFromFactory factoryLock</strong></a>
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<strong style="font-weight:normal;color:#505050;">Change By:</strong>
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<a class="user-hover" rel="maschmid" id="email_maschmid" href="https://issues.jboss.org/secure/ViewProfile.jspa?name=maschmid" style="color:#003366;">Marek Schmidt</a>
(18/Jun/12 11:08 AM)
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<strong style="font-weight:normal;color:#505050;">Description:</strong>
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<span class="diffcontext">The following sample demonstrates a deadlock between SFSB lock and the Component.getInstanceFromFactory factoryLock:<br><br>{code}<br>@Stateful<br>@Scope(ScopeType.SESSION)<br>@Name("test")<br>public class TestAction implements Test<br>{<br> <br> public String test() { <br> Thread.sleep(500);<br> Component.getInstance("foo", true); <br> return "test";<br> }<br> <br> @Factory(value="testString", scope=ScopeType.EVENT)<br> public String getTestString() { <br> return "testString";<br> }<br><br> @Remove<br> public void remove() {}<br>}<br>{code}<br><br><br>{code}<br>@Name("testProducer")<br>public class TestProducer {<br> @Factory(scope=ScopeType.EVENT)<br> public String getFoo() {<br></span>
<span class="diffremovedchars" style="background-color:#ffe7e7;text-decoration:line-through;"> System.out.println("XXX: TestProducer in getFoo");<br></span>
<span class="diffcontext"> return "foo";<br> }<br>}<br>{code}<br><br>when test.xhtml contains:<br><br>{code}<br><h:outputText value="#{test.test()} " /><br>{code}<br><br>and othertest.xhtml contains:<br>{code}<br><h:outputText value="#{testString} " /><br>{code}<br><br>If the othertest.seam is requested just after (<500ms after) the test.seam with the same session cookie.<br><br>The problem seems to be that the #{test.test()} first locks the TestAction SFSB lock and then the Seam factoryLock in the Component.getInstance call, while #{testString} locks the factoryLock first.</span>
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