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Recently tried to update Eclipse using the Help -> Check For Updates feature in this popular Java IDE, but it always reports no updates found:
No Updates Found illustration

Check for Available Updates

First, visit the Eclipse Download Page to get the latest version (currently 2020-06):
2020-06

Then check your local Eclipse version (Help -> About Eclipse IDE):
Go to Help

version

If the online version matches your current version (as shown), then System.exit(0);… Don’t blame Eclipse unnecessarily…

Fix Detection Failure When Updates Exist

Open the “Available Software Sites” window:

Method 1: Click the “available software sites” link in the prompt window:

Method 2: Navigate to Window -> Prefrences -> Install/Update -> available software sites:

Locate Latest Eclipse Release, check the red-dotted entry, click Apply and Close, then recheck updates.