No Color Highlight in Eclipse in Some Files

No color highlight in Eclipse in some files

The Error Log view shows that you use a JRE from Eclipse JustJ to run your Eclipse.

The problem is that you have a minimal instead of a complete JDK installed.

Alternatively, you can specify the Java 11 or higher VM in the eclipse.ini to run Eclipse.

The JustJ OpenJDK Hotspot JRE Minimal (Stripped) is sufficient to run the Eclipse Installer and the Eclipse platform, but not to run the Eclipse Java IDE you have without errors.

Minimal means that only those system library modules are included that are required by the Eclipse platform and Complete means the full system library.

Eclipse: syntax highlighting disappeared for one of my files

I guess you accidentally opened the file with the 'Text Editor'. Refer screenshot below.

Open with Text Editor

Cannot highlight all occurrences of a selected word in Eclipse

You can try to activate Toggle Mark Occurrences with icon on Toolbar:
Eclipse Toolbar

Eclipse does not highlight matching variables

Try:

window > preferences > java > editor > mark occurrences 

Select all options available there.

Also go to:

Preferences > General > Editors > Text Editors > Annotations

Compare the settings for 'Occurrences' and 'Write Occurrences'

Make sure that you don't have the 'Text as higlighted' option checked for one of them.

This should fix it.

Eclipse: How do you change the highlight color of the currently selected method/expression?

After running around in the Preferences dialog, the following is the location at which the highlight color for "occurrences" can be changed:

General -> Editors -> Text Editors -> Annotations

Look for Occurences from the Annotation types list.

Then, be sure that Text as highlighted is selected, then choose the desired color.


And, a picture is worth a thousand words...

Preferences dialog
(source: coobird.net)

Image showing occurences highlighted in orange.
(source: coobird.net)

How to color highlight .htaccess files in Eclipse

One thing that would work for sure is write your own plugin for .htaccess files. But if you've never done that before it will take a bit of time to get into. There are plenty of tutorials available online, though. See here for an example.

How to change highlighted occurrences color in Eclipse's sidebar?

The color in the bar is the same as the color the text is highlighted with in the editor. It is set by going to

Window > Preferences > General > Editors > Text Editors > Annotations

and changing the Occurrences and Write Occurrences colors.



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