错误1：Description    Resource    Path    Location    Type
CoreException: Could not get the value for parameter compilerId for plugin execution default-compile: TypeNotPresentException: Type org.apache.maven.plugin.compiler.CompilerMojo not present: UnsupportedClassVersionError: org/apache/maven/plugin/compiler/CompilerMojo : Unsupported major.minor version 51.0    pom.xml    /ml-sj    line 42    Maven Project Build Lifecycle Mapping Problem

错误2：Description    Resource    Path    Location    Type
CoreException: Could not get the value for parameter compilerId for plugin execution default-testCompile: TypeNotPresentException: Type org.apache.maven.plugin.compiler.TestCompilerMojo not present: UnsupportedClassVersionError: org/apache/maven/plugin/compiler/TestCompilerMojo : Unsupported major.minor version 51.0    pom.xml    /ml-sj    line 42    Maven Project Build Lifecycle Mapping Problem

错误3：

Description    Resource    Path    Location    Type
org.apache.maven.archiver.MavenArchiver.getManifest(org.apache.maven.project.MavenProject, org.apache.maven.archiver.MavenArchiveConfiguration)    pom.xml    /ml-sj    line 1    Maven Configuration Problem