Eclipse – red-x icon didn’t display on project explorer

In Eclipse IDE, If a project contains errors, a small “red-x” icon will be displayed in the files that are causing the error. This useful feature is supported in Java related perspectives only, for example, “Package Explorer”.

1. Problem

Personally, I prefer to use the “Project Explorer” perspective (pure folder structure), but the “red-x” icon feature is not supported on this perspective.

eclipse-red-x-icon

Figure : Where is the “red-x” icon?

2. Solution

To fix it, install the Eclipse CDT (C/C++ Development Tooling) plugin, and enable it in the customized view.

2.1 In Eclipse menu, select “Help -> Eclipse Marketplace”, search “Eclipse CDT” and install it.

eclipse-cdt

2.2 Restart Eclipse, in “Project Explorer” view, click on the tiny “triangle icon” and select “Customize View…”

eclipse-red-x-icon-1

2.3 Clicks on the “Content Tab”, scroll down, make sure the “C/C++ elements” or “CDT elements” is checked.

eclipse-red-x-icon-not-display

2.4 Done, now the “red-x” icon is supported in “Project Explorer” view.

eclipse-red-x-icon-2

Figure : The “red-x” icon is back!

References

  1. Eclipse CDT
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mkyong

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