Laptop unable to open Eclipse

4.5

Eclipse won't open or shows "A Java Runtime Environment (JRE) or Java Development Kit (JDK) must be available".

Symptoms
  • JRE error
  • App crash
  • No response
Possible Causes
  • Missing Java
  • Wrong Java version
  • Corrupt workspace

Step-by-Step Fix

1

Install Java (JDK)

Eclipse requires a working JDK to run.

2

Edit eclipse.ini

Manually specify the path to your javaw.exe file.

3

Start with -clean

Launch from CMD with the "-clean" flag to refresh the workspace.

When to See a Technician

Eclipse is a bit old-fashioned; ensure your eclipse.ini file is correctly configured for your Java path.

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