<html><head></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">Hi,<div><br><div><div>On Oct 25, 2011, at 1:50 AM, Meredith Gregory wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite"><span class="Apple-style-span" style="border-collapse: separate; font-family: Helvetica; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; font-size: medium; "><div><div><span class="Apple-tab-span" style="white-space: pre; "> </span><span class="Apple-converted-space"> </span> channel.queueDeclare(qname, true, false, true, null); // <-- here we throw an exception</div></div></span></blockquote></div><div><br></div><div>As a first look it seems that you are declaring the same queue but with different options. I think your node.js declared queue is "auto_delete" and "durable". I don't know what the Scala code options are but make sure they are the same.</div><div><br></div><div>Cheers,</div><div><br></div><div>Alvaro</div><br></div></body></html>