7

Even if I have checked this post and try the solution on it, the problem is still there.

Java compiler level does not match the version of the installed Java project facet. Project-name Unknown Faceted Project Problem (Java Version Mismatch)

Community
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Blanca Hdez
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4 Answers4

15

Eclipse gives up a solution.
Just click right mouse over the problem, in the Problems view, Choose "Quick Fix", and run with another version which I was running before.

Community
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Blanca Hdez
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6

Go to project properties, check the Project Facets section, set the correct JRE

etienno
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on properties of the project and go to project facets, at this point you must change the versión of java, just right click on java and change to prior version. or go to java build path an change the server libraries, or go to server and change the server. if it not solvethe problem

johnny
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First of all right click your project and then go to java compiler,Check the Compiler compliance level,Fix your correct java edition.