Why Isn\'t IntelliJ IDEA Detecting My Code Errors?

IntelliJ IDEA Fails to Detect Code Errors

Despite activating various inspections in IntelliJ IDEA 2017.1, you encounter an issue where the IDE fails to identify errors, such as missing brackets or semicolons.

Explanation

IntelliJ IDEA only analyzes files located within the configured source roots. Your Java file lies outside of this source root, preventing the IDE from performing code analysis.

Solution

To resolve this issue, you have two options:

• Relocate the File: Move your Java file into a directory that is designated as a source root.
• Reconfigure Source Roots: Modify your project settings to include the folder containing your Java file as a source root.

Verifying the Solution

After implementing one of these solutions, you should notice a change in the IDE's behavior:

• The Java file's class icon will appear differently than before, indicating that the file is now recognized by the IDE.
• Error highlighting and inspections will start functioning correctly, identifying any mistakes you make in your code.

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