<table cellspacing="0" cellpadding="0" border="0" ><tr><td valign="top" style="font: inherit;"><font face="arial" size="2">Hi,&nbsp;</font><div style="font-family: arial; font-size: 10pt; "><br></div><div style="font-family: arial; font-size: 10pt; ">I have been using the management plugin without any issues then suddenly I began getting errors when I try to do any action (except for GET):</div><div style="font-family: arial; font-size: 10pt; "><br></div><div style="font-family: arial; font-size: 10pt; ">For example, add Exchange:</div><div style="font-family: arial; font-size: 10pt; ">HTTP PUT</div><div><font face="arial" size="2">http://myhost:55672/api/exchanges/%2F/testExchange</font></div><div><font face="arial" size="2"><br></font></div><div><div selected="true" role="tabpanel" class="netInfoResponseText netInfoText "><pre role="list"><code class="wrappedText focusRow" role="listitem">500 Internal Server Error. The server</code><code
 class="wrappedText focusRow" role="listitem"> encountered an error while processing this request</code></pre><pre role="list"><code class="wrappedText focusRow" role="listitem">{error,
</code><code class="wrappedText focusRow" role="listitem"> {exit,
</code><code class="wrappedText focusRow" role="listitem">  {{{badmatch,
</code><code class="wrappedText focusRow" role="listitem">     {badrpc,
</code><code class="wrappedText focusRow" role="listitem">      {'EXIT',
</code><code class="wrappedText focusRow" role="listitem">       {undef,
</code><code class="wrappedText focusRow" role="listitem">        [{rabbit_direct,start_channel,
</code><code class="wrappedText focusRow" role="listitem">          [1,&lt;0.30609.0&gt;,&lt;0.30602.0&gt;,&lt;&lt;"&lt;rabbit@xenon.2.30602.0&gt;"&gt;&gt;,
</code><code class="wrappedText focusRow" role="listitem">           rabbit_framing_amqp_0_9_1,
</code><code class="wrappedText focusRow" role="listitem">           {user,&lt;&lt;"guest"&gt;&gt;,
</code><code class="wrappedText focusRow" role="listitem">            [administrator],
</code><code class="wrappedText focusRow" role="listitem">            rabbit_auth_backend_internal,
</code><code class="wrappedText focusRow" role="listitem">            {internal_user,&lt;&lt;"guest"&gt;&gt;,
</code><code class="wrappedText focusRow" role="listitem">             &lt;&lt;59,41,152,111,63,198,158,154,3,61,54,115,169,32,145,215,66,47,
</code><code class="wrappedText focusRow" role="listitem">               97,80&gt;&gt;,
</code><code class="wrappedText focusRow" role="listitem">             [administrator]}},
</code><code class="wrappedText focusRow" role="listitem">           &lt;&lt;"/"&gt;&gt;,
</code><code class="wrappedText focusRow" role="listitem">           [{&lt;&lt;"publisher_confirms"&gt;&gt;,bool,true},
</code><code class="wrappedText focusRow" role="listitem">            {&lt;&lt;"exchange_exchange_bindings"&gt;&gt;,bool,true},
</code><code class="wrappedText focusRow" role="listitem">            {&lt;&lt;"basic.nack"&gt;&gt;,bool,true},
</code><code class="wrappedText focusRow" role="listitem">            {&lt;&lt;"consumer_cancel_notify"&gt;&gt;,bool,true}],
</code><code class="wrappedText focusRow" role="listitem">           &lt;0.30606.0&gt;]},
</code><code class="wrappedText focusRow" role="listitem">         {rpc,local_call,3},
</code><code class="wrappedText focusRow" role="listitem">         {amqp_channel_sup,'-start_writer_fun/4-fun-0-',7},
</code><code class="wrappedText focusRow" role="listitem">         {amqp_channel,start_writer,1},
</code><code class="wrappedText focusRow" role="listitem">         {amqp_channel,do_rpc,1},
</code><code class="wrappedText focusRow" role="listitem">         {amqp_channel,handle_call,3},
</code><code class="wrappedText focusRow" role="listitem">         {gen_server,handle_msg,5},
</code><code class="wrappedText focusRow" role="listitem">         {proc_lib,init_p_do_apply,3}]}}}},
</code><code class="wrappedText focusRow" role="listitem">    [{amqp_channel_sup,'-start_writer_fun/4-fun-0-',7},
</code><code class="wrappedText focusRow" role="listitem">     {amqp_channel,start_writer,1},
</code><code class="wrappedText focusRow" role="listitem">     {amqp_channel,do_rpc,1},
</code><code class="wrappedText focusRow" role="listitem">     {amqp_channel,handle_call,3},
</code><code class="wrappedText focusRow" role="listitem">     {gen_server,handle_msg,5},
</code><code class="wrappedText focusRow" role="listitem">     {proc_lib,init_p_do_apply,3}]},
</code><code class="wrappedText focusRow" role="listitem">   {gen_server,call,[&lt;0.30609.0&gt;,open,infinity]}},
</code><code class="wrappedText focusRow" role="listitem">  [{gen_server,call,3},
</code><code class="wrappedText focusRow" role="listitem">   {amqp_gen_connection,open_channel,3},
</code><code class="wrappedText focusRow" role="listitem">   {rabbit_mgmt_util,with_channel,5},
</code><code class="wrappedText focusRow" role="listitem">   {rabbit_mgmt_util,http_to_amqp,5},
</code><code class="wrappedText focusRow" role="listitem">   {webmachine_resource,resource_call,3},
</code><code class="wrappedText focusRow" role="listitem">   {webmachine_resource,do,3},
</code><code class="wrappedText focusRow" role="listitem">   {webmachine_decision_core,resource_call,1},
</code><code class="wrappedText focusRow" role="listitem">   {webmachine_decision_core,accept_helper,0}]}}</code></pre><pre role="list">Similarly for other actions like Publish message, Delete Exchange, Add Queue. I'm not sure I understand what the errors in the log file mean.</pre><pre role="list">I am on CentOS 6.0 running RabbitMQ version 2.6.1 and Erlang R14B04.</pre><pre role="list">I'm not sure what caused this problem. I have been using this set-up without any issues. The only thing new I have been doing is using the Erlang and Python (pika) clients to declare exchanges.</pre><pre role="list">Log file attached.</pre><pre role="list"><br></pre><pre role="list"><code class="wrappedText focusRow" role="listitem"><br></code></pre><pre role="list"><code class="wrappedText focusRow" role="listitem"><br></code></pre></div></div></td></tr></table>