Java compiler level does not match the version of the installed Java

Asked Jan 06 '16 at 05:30

Active Jan 06 '16 at 06:00

Viewed 3,617 times

I have created a New Dynamic Project under Eclipse Kepler Version, where my JRE Version is set to 1.8.

Java compiler set to 1.8

After setting the JRE version to 1.8 got the below exception.

Java compiler level does not match the version of the installed Java project facet.

I have checked the Project facet set to 1.7. I changed it to 1.8 by changing in this file org.eclipse.wst.common.project.facet.core.xml.

After changing version of java in the above file got another warning : implementation of version 1.8 of project facet java could not be found

I found one link which has the almost same issue but not able to solved my issue : Java compiler level does not match the version of the installed Java project facet

How to solved this issue?

edited May 23 '17 at 12:04

Community

asked Jan 06 '16 at 05:30

Shiladittya Chakraborty

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what is Java Compiler settings in project properties? do right click of `Project->properties->JavaCompiler` – bNd Jan 06 '16 at 05:34
@bmt Added compiler settings – Shiladittya Chakraborty Jan 06 '16 at 05:52
refer this link http://stackoverflow.com/questions/21955207/version-1-8-of-project-facet-java-does-not-exist – Maheshvirus Jan 06 '16 at 05:56
Do you use maven? In Intellij IDEA if you don't specify maven compile plugin with your JDK version it is always `1.5`. Maybe Eclipse does the same thing – coolguy Jan 06 '16 at 05:57
@coolguy I am not using maven. – Shiladittya Chakraborty Jan 06 '16 at 06:00
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If you want to use Java 8 you would be better off moving to the current Eclipse Mars as that has improved support for Java 8 features such as lambda expressions. – greg-449 Jan 06 '16 at 08:00

Java compiler level does not match the version of the installed Java

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