Java compiler level does not match solution

When importing a project from another place, you will often encounter Eclipse/myeclipse description Resource Path location Type Java compiler levels does not match the Vers Ion of the installed Java project facet. This problem occurs because the Eclipse/myeclipse JDK build version is inconsistent with the problematic JDK compilation version of the project!

1, first set up the JDK, need to determine the project, Eclipse/myeclipse, the system is using the same version of the JDK, such as the system installed JDK is 1.7, so the eclipse JDK into 1.7

2, enter the windows---proferences---java--compiler settings compiled files using the format is 1.7 version (set to how many lines, as long as compatible, and with your project compiled version always can, I here unified set to 1.7)

3, into the project--properties---Java Compiler the project compiled version also set to 1.7

4, enter the project--properties---myeclipse---project facets set the Java file version to 1.7, and tick.

5, finally re-import the project documents.

Additional notes:

If you cannot publish deployed after re-importing the project, check the Org.eclipse.wst.common.project.facet.core.xml profile in the. Setting folder in the project directory.

<?xml version= "1.0" encoding= "UTF-8"?>
<faceted-project>
<runtime name= "Com.genuitec.runtime.generic.jee60"/>
<fixed facet= "Wst.jsdt.web"/>
<fixed facet= "Java"/>
<fixed facet= "Jst.web"/>
<installed facet= "java" version= "1.7"/>
<installed facet= "Jst.web" version= "3.0"/>
<installed facet= "Jst.web.jstl" version= "1.2.1"/>
<installed facet= "Wst.jsdt.web" version= "1.0"/>
</faceted-project>

After modifying the configuration file, re-import and republish.

Related error Handling:

Unsupported Major.minor version 51.0 workaround

Reason for error: The class file compiled with JDK7 is placed in Tomcat based on JDK6 and will be reported.

Workaround:

Open the properties on the project in Exclipse-java compiler– Select an appropriate version and recompile.

Specific steps

FIX: Project------> Right------> Properties------>java Compiler------>compiler Compliance level------> Select the JDK version you are using------> Apps.

Summary: Different JDK versions use different major.minor, which can cause this error. In the project to use the current computer configuration of the JDK version, avoid pigtailed.

Knowledge Expansion: Major.minor version, which is equivalent to the primary and secondary versions of a software, just here is the main and minor version number of a Java class that is identified.

Java compiler level does not match solution