[developers] logon demo giving 502 proxy error
Joshua Crowgey
jcrowgey at u.washington.edu
Mon Oct 19 23:26:44 CEST 2015
Please ignore this message. Apparently I hit accessed the page sometime
after Stephan issued the workaround but before I saw his explanation on
the list.
--Joshua
On 10/19/2015 02:22 PM, Joshua Crowgey wrote:
> And now I'm not getting the error. I'm not sure if someone issued a fix
> or if this is just an intermittent error. --Joshua
>
> On 10/19/2015 01:21 PM, Joshua Crowgey wrote:
>> Dear developers,
>>
>> I'm getting a 502 "Proxy Error" when I try to use the on-line demo for
>> the ERG:
>>
>> http://erg.delph-in.net/logon
>>
>> The page loads just fine, but if I try to submit anything in the box, I
>> get the reply:
>>
>> Proxy Error
>>
>> The proxy server received an invalid response from an upstream server.
>> The proxy server could not handle the request POST /logon.
>>
>> Reason: Error reading from remote server
>>
>>
>> ---
>>
>> For fun, I tried submitting the request with CURL and only two
>> parameters and I didn't get a proxy error, it seems that I got 5
>> invisible results instead.
>>
>> ===BEGIN-TERMINAL-OUTPUT===
>> jcrowgey at quercus:~/Desktop$ curl -X POST -d "text=Sandy
>> runs&task=Analyze" http://erg.delph-in.net/logon
>> <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
>> <html><head><meta HTTP-EQUIV="Content-Type" CONTENT="text/html;
>> charset=utf-8"><title>English Resource Grammar (ERG) LOGON On-Line
>> Demonstrator (Analysis)</title>
>> <link TYPE="text/css" REL="stylesheet" HREF="/logon.css">
>> <link TYPE="image/gif" REL="icon" HREF="/icon.gif">
>> <script SRC="/logon.js" LANGUAGE="javascript"
>> TYPE="text/javascript"></script><script SRC="/custom.js"
>> LANGUAGE="javascript" TYPE="text/javascript"></script><script
>> SRC="/prototype.js" LANGUAGE="javascript"
>> TYPE="text/javascript"></script><script SRC="/scriptaculous.js"
>> LANGUAGE="javascript" TYPE="text/javascript"></script>
>> <script SRC="/alttxt.js" LANGUAGE="javascript"
>> TYPE="text/javascript"></script>
>> <script>__transferP__ = false;
>> __generateP__ = true;
>> __translateP__ = false;
>> </script>
>> <script>window.name = 'default'</script>
>> </head>
>> <body ONLOAD="messenger()">
>> <center><form ACTION="/logon" METHOD="post" ID="main"
>> ONSUBMIT="submitter('main')" ACCEPT-CHARSET="utf-8" TARGET="_self">
>> <input TYPE="button" CLASS="bright" VALUE="Sample"
>> ONCLICK="showSample('main', 'input');"> <input TYPE="button"
>> CLASS="bright" VALUE="Reset" ONCLICK="clearElement('main',
>> 'input');"> <input TYPE="text" NAME="input" CLASS="bright"
>> VALUE="Try pressing return in this window!" SIZE="70"> <input
>> TYPE="submit" NAME="task" CLASS="bright" ID="analyze" VALUE="Analyze"
>> DISABLED 'ONCLICK="setTarget('main', '_self');"> <input
>> TYPE="submit" NAME="task" CLASS="bright" ID="translate"
>> VALUE="Translate" DISABLED 'ONCLICK="setTarget('main', '_self');"><br>
>> <table border="0" cellspacing="0">
>> <tr>
>> <td CLASS="buttons">allow:</td><td CLASS="buttons"><input
>> TYPE="checkbox" NAME="roots" VALUE="sentences" CHECKED></td><td
>> CLASS="buttons">sentences</td><td CLASS="buttons"><input TYPE="checkbox"
>> NAME="roots" VALUE="fragments"></td><td
>> CLASS="buttons">fragments</td><td CLASS="buttons"><input TYPE="checkbox"
>> NAME="roots" VALUE="less ambiguity"></td><td CLASS="buttons">less
>> ambiguity</td><td CLASS="buttons"><input TYPE="checkbox" NAME="roots"
>> VALUE="minor errors"></td><td CLASS="buttons">minor errors</td>
>> <td class="buttons"> | unknown words:</td><td
>> CLASS="buttons"><input TYPE="checkbox" NAME="genericsp"
>> VALUE="yes"></td></tr></table>
>> <table BORDER=0 CELLSPACING=0><tr><td CLASS="buttons">search:</td><td
>> CLASS="buttons"><input TYPE="RADIO" NAME="exhaustivep"
>> VALUE="all"></td><td CLASS="buttons">all</td><td CLASS="buttons"><input
>> TYPE="RADIO" NAME="exhaustivep" VALUE="best" CHECKED></td><td
>> CLASS="buttons">best</td><td
>> CLASS="buttons"> | output:</td><td
>> CLASS="buttons"><input TYPE="checkbox" NAME="output"
>> VALUE="tree"></td><td CLASS="buttons">tree</td><td
>> CLASS="buttons"><input TYPE="checkbox" NAME="output"
>> VALUE="eds"></td><td CLASS="buttons">eds</td><td CLASS="buttons"><input
>> TYPE="checkbox" NAME="output" VALUE="mrs"></td><td
>> CLASS="buttons">mrs</td><td
>> CLASS="buttons"> | show: </td><td
>> CLASS="buttons"><select SIZE=1 NAME="nresults"><option
>> VALUE="1">1</option><option VALUE="5" SELECTED>5</option><option
>> VALUE="10">10</option><option VALUE="50">50</option><option
>> VALUE="100">100</option><option VALUE="500">500</option><option
>> VALUE="all">all</option></select></td><td
>> CLASS="buttons"> results</td></tr></table>
>> </form></center><center>
>> <div id=summary>[5 of 5 analyses; processing time: 0.13 seconds; 439
>> edges]</div>
>> <br>
>> <form action="/browse" method=post id="browse"
>> onsubmit="synchronize('main', 'browse')" accept-charset="utf-8"
>> target="_blank">
>> <input type=hidden name=item value=9729>
>> <input type=hidden name=results value=9730>
>> <input type=hidden name=exhaustivep value="best">
>> <input type=hidden name=nresults value="5">
>> <div id=action>
>> <input type=submit name=action class="bright" value=latex>
>> <input type=submit name=action class="bright" value=compare>
>> <select name=set size=1>
>> <option value=all>all analyses</option>
>> <option value=active selected>selection</option>
>> </select>
>> |
>> <input type=submit name=action class="bright" value="transfer"
>> disabled onclick="setTarget('main', 'transfer')">
>> <input type=submit name=action class="bright" value="generate"
>> onclick="setTarget('main', 'generate')">
>> <input type=submit name=action value=avm disabled>
>> <input type=submit name=action value=scope disabled>
>> </div>
>> <div id=input>Try pressing return in this window!</div>
>> <table class=results>
>> <tr>
>> <td class=resultsNavigation>
>> <table class=resultsNavigation>
>> <tr><td class=center>
>> <div class=resultsNavigation># 0</div></td></tr>
>> <tr><td class=center><input type=checkbox name=selection
>> value="0"></td></tr>
>> </table></td>
>> </tr><tr>
>> <td class=resultsNavigation>
>> <table class=resultsNavigation>
>> <tr><td class=center>
>> <div class=resultsNavigation># 1</div></td></tr>
>> <tr><td class=center><input type=checkbox name=selection
>> value="1"></td></tr>
>> </table></td>
>> </tr><tr>
>> <td class=resultsNavigation>
>> <table class=resultsNavigation>
>> <tr><td class=center>
>> <div class=resultsNavigation># 2</div></td></tr>
>> <tr><td class=center><input type=checkbox name=selection
>> value="2"></td></tr>
>> </table></td>
>> </tr><tr>
>> <td class=resultsNavigation>
>> <table class=resultsNavigation>
>> <tr><td class=center>
>> <div class=resultsNavigation># 3</div></td></tr>
>> <tr><td class=center><input type=checkbox name=selection
>> value="3"></td></tr>
>> </table></td>
>> </tr><tr>
>> <td class=resultsNavigation>
>> <table class=resultsNavigation>
>> <tr><td class=center>
>> <div class=resultsNavigation># 4</div></td></tr>
>> <tr><td class=center><input type=checkbox name=selection
>> value="4"></td></tr>
>> </table></td>
>> </tr></table></form>
>> </center>
>> <center>
>> <div id=version>[<a href="http://www.emmtee.net/">LOGON</a> (2014-08-09
>> 12:04:28 +0200) — <a href="http://www.delph-in.net/erg">ERG
>> (1214)</a> — <a href="http://www.delph-in.net/erg">ERG
>> (1214)</a>]</div></center>
>> <center><hr>
>> <small><i>(This on-line demonstrator is hosted at the
>> <a href=http://www.mn.uio.no/ifi/english/research/groups/ltg/>University
>> of Oslo</a>)</i></small></center>
>> <div id="navtxt" class="navtext" style="position: absolute; top: -100px;
>> left: 0px; visibility:
>> hidden"></div></body></html>jcrowgey at quercus:~/Desktop$
>> ===END-TERMINAL-OUTPUT===
>>
>> Thanks in advance for any advice!
>>
>> --
>> Joshua Crowgey
>>
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