<div dir="auto">You can try with python, and call it interactively. Also increase the logging level and if you can access a debug build set QGIS debug on.<div dir="auto"><br></div><div dir="auto">Last resource you can use a real debugger, check this out: <a href="https://github.com/elpaso/qgis-dev-vagrant">https://github.com/elpaso/qgis-dev-vagrant</a></div><div dir="auto"> </div><div dir="auto"><br></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Fri, Sep 13, 2019, 20:28 Tom Vogt <<a href="mailto:tom@lemuria.org">tom@lemuria.org</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Hey everyone,<br>
<br>
I’ve been playing with QGIS for many years, but now I’m on the mailing list as well. I’ve been banging my head against QGIS for the past two days and just can’t get it to work, so maybe I can find help here. It just doesn’t give me WMS tiles or they are blank. Then I fiddle around and it works, then I clean it up to make it work and it stops again. It’s driving me crazy. :-)<br>
<br>
<br>
Any hints on debugging qgis_mapserv.fcgi ?<br>
<br>
<br>
Tom<br>
<br>
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