Sandro
checking the code for the query of WMS
...
$query_layers = $this->qLayer->getMetadata("wms_name");
$this->qLayer->set("connection", $this->qLayer->connection .
"QUERY_LAYERS=" . $query_layers);
...
it looks for the METADATA tag "wms_name" defined for your layer. If it
does not exist then the added URL tag "QUERY_LAYERS" will not have any
value, and the server returns an exception. Please follow the
recommendations for WMS client definition here:
http://mapserver.org/ogc/wms_client.html
It means add this to your layer definition
METADATA
...
"wms_name" "0"
...
END
I can once also remove this additional QUERY_LAYERS since it seems not
any more be required by MapServer working as WMS server (it was some
time ago, though...). Or at least only apply if "wms_name" metadata exists.
Armin
On 01/02/2011 16:53, Sandro Ferrara tiscali wrote:
> Hi to all,
> i've a problem with the "identify" on a wms layers.
>
> When i try to use Identify on WMS layers i have this error log in
> pm_debug.log:
>
> [01-Feb-2011 16:40:10] P.MAPPER debug info
> Validation of search.xml file succeeded
> [01-Feb-2011 16:40:25] P.MAPPER debug info
> Validation of search.xml file succeeded
> [01-Feb-2011 16:40:35] P.MAPPER debug info
> dumpWMSQueryResults() - FeatureInfoURL:
>
> http://88.53.214.52/sitr/services/WGS84_F33/PAI_f33/MapServer/WMSServer?QUERY_LAYERS=&LAYERS=0&REQUEST=GetFeatureInfo&SERVICE=WMS&FORMAT=image/png&STYLES=default&HEIGHT=434&QUERY_LAYERS=0&VERSION=1.1.1&SRS=EPSG:32633&WIDTH=912&BBOX=295293.620092379,4181873.2852194,384149.379907621,4224157.7147806&TRANSPARENT=TRUE&FEATURE_COUNT=10&INFO_FORMAT=MIME&X=390&EXCEPTIONS=application/vnd.ogc.se_xml&Y=132
> [01-Feb-2011 16:40:36] P.MAPPER debug info
> dumpWMSQueryResults() - Query Result:
> Array
> (
> [0] => <?xml version="1.0" encoding="UTF-8" standalone="yes" ?>
>
> [1] => <!DOCTYPE ServiceExceptionReport SYSTEM
> "http://schemas.opengis.net/wms/1.1.1/exception_1_1_1.dtd";>
>
> [2] => <ServiceExceptionReport version="1.1.1">
>
> [3] => <ServiceException code="InvalidFormat">
>
> [4] => Can't parse XML request.
>
> [5] => </ServiceException>
>
> [6] => </ServiceExceptionReport>
>
> )
>
>
> my squery.php is:
>
> /**********************************************
> * QUERY RESULTS FOR WMS LAYER
> **********************************************/
> class WMSQuery extends Query
> {
> public function __construct($grp, $qLayer, $x_pix, $y_pix )
> {
> //$this->QUERY($qLayer);
> $this->grp = $grp;
> $this->qLayer = $qLayer;
> $this->x_pix = $x_pix;
> $this->y_pix = $y_pix;
>
> // dump results to resultString
> $this->dumpWMSQueryResults();
> }
>
>
> function dumpWMSQueryResults()
> {
> // add QUERY_LAYER key to connection string as workaround for
> bug in MapScript
> $query_layers = $this->qLayer->getMetadata("wms_name");
> $this->qLayer->set("connection", $this->qLayer->connection .
> "QUERY_LAYERS=" . $query_layers);
>
> $wmsResultURL =
> $this->qLayer->getWMSFeatureInfoURL($this->x_pix, $this->y_pix, 10, "MIME");
> pm_logDebug(3, $wmsResultURL, "dumpWMSQueryResults() -
> FeatureInfoURL:");
> if ($wmsResultURL == "") return;
>
>
> // Check for availability of 'allow_url_fopen'
> if (ini_get("allow_url_fopen")) {
> $wmsResult = file($wmsResultURL);
> // if no 'allow_url_fopen', use CURL functions to get Info URL
> content
> } else {
> if (!extension_loaded('curl')) {
> dl("php_curl." . PHP_SHLIB_SUFFIX);
> }
> ob_start();
> $ch = curl_init($wmsResultURL);
> curl_setopt($ch, CURLOPT_HEADER, 0);
> curl_exec($ch);
> curl_close($ch);
> $wmsResult = preg_split("/\n/", ob_get_contents());
> ob_end_clean();
> }
> pm_logDebug(3, $wmsResult, "dumpWMSQueryResults() - Query
> Result:");
>
> $wmsNumRes = count($wmsResult);
> if ($wmsNumRes> 5) {
> $firstRun = 1;
> $featureCount = 0;
> $fldHeaderStr = "[\"#\",";
> $resRowStr = "\"values\": [ [";
> foreach ($wmsResult as $row) {
> if (preg_match ("/ServiceException/i", $row)) {
> return false;
> }
> if (preg_match ("/\sFeature\s/i", $row)) {
> $featureCount++;
> if (!$firstRun) {
> $resRowStr = substr($resRowStr, 0, -1);
> $resRowStr .= "],[";
> }
> $firstRun = 0;
> $resRowStr .= "\"w\",";
> } elseif (preg_match ("/\=/", $row)) {
> $resRowStr .= "";
> $resFld = preg_split ("/\=/", $row);
> if ($featureCount< 2) {
> $fldHeaderStr .= "\"" . trim($resFld[0]) . "\",";
> }
> $resRowStr .= "\"" .
> utf8_encode(trim(str_replace("'","",$resFld[1]))) . "\",";
> }
> }
>
> $fldHeaderStr = "\"header\": " . substr($fldHeaderStr, 0,
> -1) . "], \"stdheader\": " . substr($fldHeaderStr, 0, -1) . "], ";
> $resRowStr = substr($resRowStr, 0, -1) . "]";
>
> $this->numResults = $wmsNumRes - 4;
> $this->colspan = $colspan;
> $this->fieldHeaderStr = $fldHeaderStr;
> $this->qStr = "$fldHeaderStr $resRowStr";
> }
> }
>
>
>
> } // end CLASS WMSQUERY
>
> and my map file is:
>
> LAYER
> NAME "Bacini_Idrografici"
> TYPE RASTER
> STATUS DEFAULT
> TEMPLATE void
> CONNECTIONTYPE WMS
> CONNECTION
> "http://88.53.214.52/sitr/services/WGS84_F33/PAI_f33/MapServer/WMSServer?";
> METADATA
> "DESCRIPTION" "PAI Bacini idrografici"
> "ows_name" "0"
> "wms_server_version" "1.1.1"
> "ows_srs" "EPSG:32633"
> "wms_format" "image/png"
> "wms_style" "default"
> END
> METADATA
> "ows_title" "Bacini Idrografici"
> END
> TRANSPARENCY 100
> PROJECTION
> "init=epsg:32633"
> END
> END
>
>
> the environment, in which it occurs, is Ubuntu 9.10 + Pmapper-4.0
> 4.0.0.0 - BUILD 2009-12-19
>
> any solution?
>
> Thanks in advance,
> Sandro.
>
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