I get many "Unknown property" warnings in my css files.
This might be due to the fact that I have e(fx)clipse 2.0 and the Eclipse Web Developer Tools installed.
If I open the css files with the e(fx)clipse css editor and add /SuppressWarnings/ the warning icon changes its color (see figure below).
However:
How can I disable the "Unknown property" warnings for specific files or at all?
My css files are not located under "src" but under a folder "help". That help folder contains html files for my Eclipse plugin and corresponding css files. =>Those files are not used for JavaFx/e(fx)clipse.
Here is a related article that did not really help me but might give you further information: https://www.eclipse.org/forums/index.php/t/515810/
Screenshot that shows the warnings and the Problem view (click to enlarge)
You can go to the Problems View Options, select Show items that match any configuration checked bellow and deselect Xtext Check (fast) Type in all Configurations
Screenshot: How locate Option in Problems view
I filed an e(fx)clipse bug [1] and uninstalled e(fx)clipse for the time being.
The main reason why I had installed e(fx)clipse at the beginning was to get rid of the access restriction warnings related to jfxrt.jar (also see [2]). Now I use additonal access rules for the JRE container in my classpath file instead of using e(fx)eclipse:
<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.8">
<attributes>
<attribute name="maven.pomderived" value="true"/>
</attributes>
<accessrules>
<accessrule kind="accessible" pattern="javafx/**"/>
<accessrule kind="accessible" pattern="com/sun/javafx/**"/>
</accessrules>
</classpathentry>
[1] https://bugs.eclipse.org/bugs/show_bug.cgi?id=475347
[2] Using JavaFX in JRE 8
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