Problem Description:
solve:
Consistent version check whether the above.
Not on then check the following:
If the above method does not work, then it is recommended that you change about maven compiler level plug-pom file, you can search all pom.xml, 1.6 key words, to see out.
<profiles>
<profile>
<id>jdk1.7</id>
<activation>
<activeByDefault>true</activeByDefault>
<jdk>1.7</jdk>
</activation>
<properties>
<maven.compiler.source>1.7</maven.compiler.source>
<maven.compiler.target>1.7</maven.compiler.target>
<maven.compiler.compilerVersion>1.7</maven.compiler.compilerVersion>
</properties>
</profile>
</profiles>