When install the mahout MVN install errors, seeks the solution?-CodePudding

My command is mahout directory: MVN install

An error is as follows:
 R]The ERROR] ^ 
[ERROR]/root/bigdata/mahout - 0.14.0/core/target/generated sources/mahout/org/apache mahout/math/map/AbstractByteCharMap. Java: 265: ERROR: an unexpected end tag: & lt;/tt> 
[ERROR] * keys=(8,7,6), values=,2,2 (1) - & gt; KeyList=(6, 8), valueList=(2, 1) & lt;/tt> 
[ERROR] ^ 
[ERROR]/root/bigdata/mahout - 0.14.0/core/target/generated sources/mahout/org/apache mahout/math/map/AbstractByteCharMap. Java: 296: ERROR: '& gt; The use of the 'error 
[ERROR] * & lt; B> Example: & lt;/b> 
  Keys=(8,7,6), values=,2,2 (1) - & gt; KeyList=(June), valueList=(2, 2, 1) & lt;/tt> 
[ERROR] ^ 
[ERROR] 
[ERROR] Command line was:/usr/local/Java/jre/../bin/javadoc @ options @ packages 
[ERROR] 
[ERROR] Refer to the generated Javadoc files in '/root/bigdata/mahout - 0.14.0/core/target/apidocs' dir. 
[ERROR] 
[ERROR] - & gt; [1] Help 
[ERROR] 
[ERROR] To see the full stack trace of the errors, re - run Maven have the -e switch. 
[ERROR] Re - run Maven using the -x switch to enable full debug logging. 
[ERROR] 
[ERROR] For more information about the errors and possible solutions, both please read the following articles: 
[ERROR] [1] Help http://cwiki.apache.org/confluence/display/MAVEN/MojoExecutionException 
[ERROR] 
[ERROR] After correcting the problems, you can resume the build with the command 
[ERROR] MVN & lt; Args> 11 - rf: core_2.