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Daniel,
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<div class="">Some more info, found the Function throwing the error (I think <<a href="https://github.com/DMS-Aus/MapServer/blob/master/mapwms.c" class="">https://github.com/DMS-Aus/MapServer/blob/master/mapwms.c</a>>), looks like your description is correct
. . .</div>
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<td id="LC3932" class="js-file-line blob-code-inner blob-code"><span class="pl-c"><font face="Courier" class=""><span class="pl-c">/*</span> --------------------------------------------------------------------
<span class="pl-c">*/</span></font></span></td>
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<td id="LC3933" class="js-file-line blob-code-inner blob-code"><span class="pl-c"><font face="Courier" class=""><span class="pl-c">/*</span> check if all layers selected are queryable. If not send an
<span class="pl-c">*/</span></font></span></td>
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<td id="LC3934" class="js-file-line blob-code-inner blob-code"><span class="pl-c"><font face="Courier" class=""><span class="pl-c">/*</span> exception.
<span class="pl-c">*/</span></font></span></td>
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<td id="LC3935" class="js-file-line blob-code-inner blob-code"><span class="pl-c"><font face="Courier" class=""><span class="pl-c">/*</span> --------------------------------------------------------------------
<span class="pl-c">*/</span></font></span></td>
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<td id="LC3937" class="js-file-line blob-code-inner blob-code"><span class="pl-c"><font face="Courier" class=""><span class="pl-c">/*</span> If a layer of type WMS was found... all layers have to be of that type and with the same connection
<span class="pl-c">*/</span></font></span></td>
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<td id="LC3938" class="js-file-line blob-code-inner blob-code"><font face="Courier" class=""><span class="pl-k">for</span> (i=<span class="pl-c1">0</span>; i<map-><span class="pl-smi">numlayers</span>; i++) {</font></td>
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<td id="LC3939" class="js-file-line blob-code-inner blob-code"><font face="Courier" class=""><span class="pl-k">if</span> (<span class="pl-c1">GET_LAYER</span>(map, i)-><span class="pl-smi">status</span> == MS_ON) {</font></td>
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<td id="LC3940" class="js-file-line blob-code-inner blob-code"><font face="Courier" class=""><span class="pl-k">if</span> (!<span class="pl-c1">msIsLayerQueryable</span>(<span class="pl-c1">GET_LAYER</span>(map, i))) {</font></td>
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<td id="LC3941" class="js-file-line blob-code-inner blob-code"><font face="Courier" class=""><span class="pl-c1">msSetError</span>(MS_WMSERR,
<span class="pl-s"><span class="pl-pds">"</span>Requested layer(s) are not queryable.<span class="pl-pds">"</span></span>,
<span class="pl-s"><span class="pl-pds">"</span>msWMSFeatureInfo()<span class="pl-pds">"</span></span>);</font></td>
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<td id="LC3942" class="js-file-line blob-code-inner blob-code"><font face="Courier" class=""><span class="pl-k">return</span>
<span class="pl-c1">msWMSException</span>(map, nVersion, <span class="pl-s"><span class="pl-pds">"</span>LayerNotQueryable<span class="pl-pds">"</span></span>, wms_exception_format);</font></td>
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<td id="LC3943" class="js-file-line blob-code-inner blob-code"><font face="Courier" class="">}
<span class="pl-k">else</span> <span class="pl-k">if</span> (wms_layer == MS_TRUE) {</font></td>
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<td id="LC3944" class="js-file-line blob-code-inner blob-code"><font face="Courier" class=""><span class="pl-k">if</span> ( (<span class="pl-c1">GET_LAYER</span>(map, i)-><span class="pl-smi">connectiontype</span> != MS_WMS) || (<span class="pl-c1">strcasecmp</span>(wms_connection,
<span class="pl-c1">GET_LAYER</span>(map, i)-><span class="pl-smi">connection</span>) !=
<span class="pl-c1">0</span>) ) {</font></td>
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<td id="LC3945" class="js-file-line blob-code-inner blob-code"><font face="Courier" class=""><span class="pl-c1">msSetError</span>(MS_WMSERR,
<span class="pl-s"><span class="pl-pds">"</span>Requested WMS layer(s) are not queryable:
<b class=""><font color="#ff2600" class="">type or connection differ</font></b><span class="pl-pds">"</span></span>,
<span class="pl-s"><span class="pl-pds">"</span>msWMSFeatureInfo()<span class="pl-pds">"</span></span>);</font></td>
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<td id="LC3946" class="js-file-line blob-code-inner blob-code"><font face="Courier" class=""><span class="pl-k">return</span>
<span class="pl-c1">msWMSException</span>(map, nVersion, <span class="pl-s"><span class="pl-pds">"</span>LayerNotQueryable<span class="pl-pds">"</span></span>, wms_exception_format);</font></td>
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<td id="LC3947" class="js-file-line blob-code-inner blob-code"><font face="Courier" class="">}</font></td>
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<td id="LC3948" class="js-file-line blob-code-inner blob-code"><font face="Courier" class="">++numOWSLayers;</font></td>
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<td id="LC3949" class="js-file-line blob-code-inner blob-code"><font face="Courier" class="">}</font></td>
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<td id="LC3950" class="js-file-line blob-code-inner blob-code"><font face="Courier" class="">}</font></td>
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<div class="">bobb<br class="">
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<div class="">On Sep 5, 2018, at 4:21 PM, Basques, Bob (CI-StPaul) <<a href="mailto:bob.basques@ci.stpaul.mn.us" class="">bob.basques@ci.stpaul.mn.us</a>> wrote:</div>
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Hi Daniel,
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<div class="">All remote layers originate as separate WMS services, and all are housed on the same server. All are serving up HTML fragments for the GetFeatureInfo. And they all work individually.</div>
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<div class="">All request structure is the same. The cascaded service Mapfile is script built, so all the requests are using the same settings for format and other params where the same.</div>
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<div class="">A couple of sample layer defs in the Cascaded Mapfile are included below:</div>
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<div class="">bobb</div>
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<font size="2" class="">"A rocket will never be able to leave the earth's atmosphere." --The New York Times, 1936</font></div>
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