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James
New Member

PowerApp with data connections never load the data connections

‎08-24-2016 03:02 AM

Hi,

 

When I am attempting to open powerapps that I am working on that contains data connections, it never seems to open with those connections. I can see that they are there (and the PowerApps web site says the connections are connected), but the data is never retrieved and shown in the app. Plus, the app seems to take around 2 minutes to open, just sat on a "loading" screen.

 

I have had numerous issues connecting to data connections (an Excel file) stored in:

- OneDrive for Business

- Azure Blob Storage

 

When I attempt to modify/refresh the data connections I can see the container in the Azure Blob storage and also the Excel file, however when I attempt to view the tables stored in the Excel file that when it sits there spinning for 2 minutes and then throws the following error.

 

Any ideas?

 

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>IIS 8.0 Detailed Error - 502.3 - Bad Gateway</title>
<style type="text/css">
<!--
body{margin:0;font-size:.7em;font-family:Verdana,Arial,Helvetica,sans-serif;}
code{margin:0;color:#006600;font-size:1.1em;font-weight:bold;}
.config_source code{font-size:.8em;color:#000000;}
pre{margin:0;font-size:1.4em;word-wrap:break-word;}
ul,ol{margin:10px 0 10px 5px;}
ul.first,ol.first{margin-top:5px;}
fieldset{padding:0 15px 10px 15px;word-break:break-all;}
.summary-container fieldset{padding-bottom:5px;margin-top:4px;}
legend.no-expand-all{padding:2px 15px 4px 10px;margin:0 0 0 -12px;}
legend{color:#333333;;margin:4px 0 8px -12px;_margin-top:0px;
font-weight:bold;font-size:1em;}
a:link,a:visited{color:#007EFF;font-weight:bold;}
a:hover{text-decoration:none;}
h1{font-size:2.4em;margin:0;color:#FFF;}
h2{font-size:1.7em;margin:0;color:#CC0000;}
h3{font-size:1.4em;margin:10px 0 0 0;color:#CC0000;}
h4{font-size:1.2em;margin:10px 0 5px 0;
}#header{width:96%;margin:0 0 0 0;padding:6px 2% 6px 2%;font-family:"trebuchet MS",Verdana,sans-serif;
color:#FFF;background-color:#5C87B2;
}#content{margin:0 0 0 2%;position:relative;}
.summary-container,.content-container{background:#FFF;width:96%;margin-top:8px;padding:10px;position:relative;}
.content-container p{margin:0 0 10px 0;
}#details-left{width:35%;float:left;margin-right:2%;
}#details-right{width:63%;float:left;overflow:hidden;
}#server_version{width:96%;_height:1px;min-height:1px;margin:0 0 5px 0;padding:11px 2% 8px 2%;color:#FFFFFF;
background-color:#5A7FA5;border-bottom:1px solid #C1CFDD;border-top:1px solid #4A6C8E;font-weight:normal;
font-size:1em;color:#FFF;text-align:right;
}#server_version p{margin:5px 0;}
table{margin:4px 0 4px 0;width:100%;border:none;}
td,th{vertical-align:top;padding:3px 0;text-align:left;font-weight:normal;border:none;}
th{width:30%;text-align:right;padding-right:2%;font-weight:bold;}
thead th{background-color:#ebebeb;width:25%;
}#details-right th{width:20%;}
table tr.alt td,table tr.alt th{}
.highlight-code{color:#CC0000;font-weight:bold;font-style:italic;}
.clear{clear:both;}
.preferred{padding:0 5px 2px 5px;font-weight:normal;background:#006633;color:#FFF;font-size:.8em;}
-->
</style>

</head>
<body>
<div id="content">
<div class="content-container">
<h3>HTTP Error 502.3 - Bad Gateway</h3>
<h4>The connection with the server was terminated abnormally
</h4>
</div>
<div class="content-container">
<fieldset><h4>Most likely causes:</h4>
<ul> <li>The CGI application did not return a valid set of HTTP errors.</li> <li>A server acting as a proxy or gateway was unable to process the request due to an error in a parent gateway.</li> </ul>
</fieldset>
</div>
<div class="content-container">
<fieldset><h4>Things you can try:</h4>
<ul> <li>Use DebugDiag to troubleshoot the CGI application.</li> <li>Determine if a proxy or gateway is responsible for this error.</li> </ul>
</fieldset>
</div>

<div class="content-container">
<fieldset><h4>Detailed Error Information:</h4>
<div id="details-left">
<table border="0" cellpadding="0" cellspacing="0">
<tr class="alt"><th>Module</th><td>&nbsp;&nbsp;&nbsp;ApplicationRequestRouting</td></tr>
<tr><th>Notification</th><td>&nbsp;&nbsp;&nbsp;ExecuteRequestHandler</td></tr>
<tr class="alt"><th>Handler</th><td>&nbsp;&nbsp;&nbsp;ApplicationRequestRoutingHandler</td></tr>
<tr><th>Error Code</th><td>&nbsp;&nbsp;&nbsp;0x80072efe</td></tr>

</table>
</div>
<div id="details-right">
<table border="0" cellpadding="0" cellspacing="0">
<tr class="alt"><th>Requested URL</th><td>&nbsp;&nbsp;&nbsp;http://127.0.0.1:80/datasets/L2dkcHJjb250YWluZXIvR0RQUkRhdGEueGxzeA==/tables</td></tr>
<tr><th>Physical Path</th><td>&nbsp;&nbsp;&nbsp;D:\inetpub\wwwroot\datasets\L2dkcHJjb250YWluZXIvR0RQUkRhdGEueGxzeA==\tables</td></tr>
<tr class="alt"><th>Logon Method</th><td>&nbsp;&nbsp;&nbsp;Anonymous</td></tr>
<tr><th>Logon User</th><td>&nbsp;&nbsp;&nbsp;IUSR</td></tr>

</table>
<div class="clear"></div>
</div>
</fieldset>
</div>

<div class="content-container">
<fieldset><h4>More Information:</h4>
This error occurs when a CGI application does not return a valid set of HTTP headers, or when a proxy or gateway was unable to send the request to a parent gateway. You may need to get a network trace or contact the proxy server administrator, if it is not a CGI problem.
<p><a href="http://go.microsoft.com/fwlink/?LinkID=62293&amp;IIS70Error=502,3,0x80072efe,9200">View more information &raquo;</a></p>

</fieldset>
</div>
</div>
</body>
</html>


Session ID: edcffd7e-a8ce-53dc-0223-71d042d4fca3

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v-yamao-msft
Community Support
Community Support

‎09-01-2016 03:08 AM

Hi James,

 

Please provide some information about:
1.About slow loading, how many data are there in your connection?
2.About data cannot be retrieved and shown in App, do you format your Excel file as a table? Are there any formulas within your Excel file?

 

Best regards,
Mabel Mao

Community Support Team _ Mabel Mao
If this post helps, then please consider Accept it as the solution to help the other members find it more quickly.
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