Hexagon Geospatial


GeoMedia Smart Client provides tools for building and delivering highly-constrained, map-based workflows for the office or the field.
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Some secured (HTTPS) WMS services will not display in GMSC 2018

by Technical Evangelist ‎06-11-2019 05:59 AM - edited ‎06-11-2019 06:00 AM (75 Views)


GeoMedia SmartClient 2018 is unable to display layers of specific HTTPS-based WMS Service which has DTD document reffered through HTTP. The error usually tells following:


External DTD: Failed to read external DTD 'WMS_MS_Capabilities.dtd', because 'http' access is not allowed due to restriction set by the accessExternalDTD property.



Recent JDK versions by default do not allow HTTP links in HTTPS-based XML document (e.g. OGC service capabilities). To change this behavior, you must define javax.xml.accessExternalDTD=all for the JVM used by Hexagon App Launcher.

The support way of doing this is creating a new environment variable: