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

Java Web projects developed by MyEclipse copy each other and sometimes report a strange mistake. Clearly the source is exactly the same, why the project copied to another machine, it will be reported "Java compiler level does not match the version of the installed Java project facet" error?

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In fact, to solve is also very simple, under the Explorer, find the directory where the project, in the. Settings subdirectory, with a text editor to open the Org.eclipse.wst.common.project.facet.core.xml configuration file:

Modify the Red Draw line section to keep it consistent with the compiler version settings for the project.

To view the compiler version settings for a project, in the MyEclipse environment, right-click the project, tap Properties, select Java Compiler, you can see the compiler version on the right side of the window: Change 1.6 to 1.7 recompile.

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