Eclipse has no Java facet version 1.8

Question

I am using eclipse Kepler (enterprise edition), Java 8, and M2Eclipse and trying to make a web application. I have already gone to help -> eclipse marketplace and installed these two patches:

• Java 8 support for Eclipse Kepler SR2
• Java 8 support for m2e for Eclipse Kepler SR2

Those patches cleared up a lot of my problems, but one remains. I did a maven -> update from within eclipse, it went and updated all my projects except the only web app in my workspace. It gives me a pop up message that says "Version 1.8 of project facet java does not exist"

I opened my project properties and clicked Project Facets. Sure enough, the java facet maximum version is 1.7. So I am wondering why I don't have the same problem on my other projects. I viewed the properties on my other projects and discovered that none of them are using Project Facets at all. I think this might be because I made all of the previous projects using a standard edition of eclipse, not an enterprise edition.

So I guess I have a couple questions. How can I get eclipse to recognize the java facet 1.8? Is there a way I can have my web app not use Project Facets? Should I add Project Facets to my other projects?

Solution 1

Just ran into this issue. My problem was with the tomcat server looking in the wrong place for the JRE. To fix that:

• Double click on the server in the servers tab
• Open "Runtime Environment"
• Change the JRE selector.

Hope this saves someones time

Solution 2

I am using 4.3.2 version of Eclipse Kepler SR2 and ran into the same issue when the java version was bumped up from 1.7 to 1.8 for our maven project.

I was getting the following error while trying to do Maven Update : An internal error occurred during: "Updating Maven Project". Version 1.8 of project facet java does not exist.

If you check the Java Project Facet Version (Right click on project -> Properties -> Search for Project Facets -> Java (Version)) .. it must be an older version.

Project Facet Screenshot

Solution :

Goto Eclipse Marketplace and install the following :

1. Java 8 support for Eclipse Kepler SR2
2. Java 8 Facet for Web Tools for Eclipse Kepler SR2

Now, change the Java Project Facet Version to 1.8

Right click on project -> Properties -> Search for Project Facets -> Java (Version)

Now, you should be able to successfully take a maven update.

Solution 3

To fix this in eclipse, go to "Help" --> "Market Place" --> Search java 8 kepler. Then install all the 3 below plugins

install Java 8 support eclipse kepler sr2, install Java 8 Facets for web tools eclipse kepler sr2 install Java 8 support for m2e for Eclipse Kepler SR2 (if you are using maven)

Reference: http://www.eclipse.org/downloads/java8/

or You can try this

Select Project properties -->Project facets than at there change your java to the version of your workspace.

Comments

[Cédric Couralet]

possible duplicate of Eclipse + Java 8 + Dynamic Web Module

[msknapp]

I said in the question that I tried that, 1.8 did not exist. I was missing another patch, apparently there were three I needed for java 8.

[turbogeek]

This fixed my issue. I installed a new Java version and deleted the old one and that was what caused the problem. Looking at the environment in the server showed that it was pointing to jars for a difference Java install. Basically it is easier to create a new server.