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I have a new laptop and installed Eclipse 2019-12. I also downloaded OpenJDK12 (12.0.1) because I have a project which needs that version. I have unzipped the jdk into C:\Program Files\java\jdk-12.0.1. When I try to add the version to Eclipse, though, I get the following error: Target is not a JDK Root. Java executable was not found

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I can't install the Java 12 2019-03 support patch because it tells me that it's not compatible with my version. Can anyone offer some advice?

Naman
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Michael
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  • Re download a fresh copy of jdk12. I had similar problem with jdk13 and re downloading fresh copy worked. Do remember to add a jre folder inside you eclipse because eclipse search for bin there. – Vishwa Ratna Dec 20 '19 at 13:56
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    Eclipse usually looks for `java.exe` in the `bin` folder. Is it present? Unzipping instead of installing may mess with the file access conditions as well, if you install it as a different user. I'd prefer an executable installer. – Maarten Bodewes Dec 20 '19 at 13:57

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Sample JDK image

Go to Eclipse > Preference > select Java > click on "Installed JREs" > Browse in JRE Home directory > select the JDK folder before bin directory > Finish

FYI: Attached a sample JDK

Reinstall the JDK 12 if still not working

Abhijit Roy
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