Why is Intellij showing a cross (x) over the class icon for one of my Java classes?

Question

The icon that IntelliJ (v11.1) usually shows next to Java classes is a blue circle with a C. But for one of my classes this icon has a small "x" in the top left corner. This particular class is in a package with another class, which has just the usual C in a blue circle.

In case it matters, I'm using a Mac.

The class in question is AlertsHandler.

enter image description here

IntelliJ icon documentation can be found at: https://www.jetbrains.com/help/idea/2016.3/symbols.html — Pieter Degraeuwe, Feb 15 '17 at 10:59

score 102 · Accepted Answer · answered Jun 15 '12 at 17:08

102

This icon shows that the class is excluded from the compilation, it can be changed in Settings (Preferences on Mac) | Compiler | Excludes.

answered Jun 15 '12 at 17:08

CrazyCoder

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@lucasmonteiro001 It happened because you pressed Exclude from Compile in Messages Make. – Alex78191 May 29 '17 at 15:33
what is it "Messages Make" ? – Ivan May 11 '18 at 23:15
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@Ivan he was referring to the Messages tool window, Build (previously called Make) tab from where the file having errors can be excluded from the compilation. [See the screenshot](https://i.imgur.com/XMowi0O.png). – CrazyCoder May 12 '18 at 00:54
The same applies to the folders also. – Zeus Oct 17 '18 at 15:28

Why is Intellij showing a cross (x) over the class icon for one of my Java classes?

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