1.Description ResourcePathLocationType

Java compiler level does not match the version of the installed Java project facet.SSMDemo Maven WebUnknownFaceted Project Problem (Java Version Mismatch)

2.Description ResourcePathLocationType

JAX-RS (REST Web Services) 2.0 requires Java 1.7 or newer.SSMDemo Maven Webline 1Maven Java EE Configuration Problem

3.Description ResourcePathLocationType

One or more constraints have not been satisfied.SSMDemo Maven Web line 1Maven Java EE Configuration Problem

Solution: Add the following codes in pom.xml

<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<configuration>
<source>1.7(Modify to your own JDK version)</source>
<target>1.7(Modify to your own JDK version)</target>
</configuration>
</plugin>
</plugins>