mvn javadoc:test-javadoc goal throws cannot find symbol

hadoop/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/util/TestReflectionUtils.java:28: error: cannot find symbol
[WARNING] import static org.hamcrest.CoreMatchers.containsString;
[WARNING] ^
[WARNING] symbol:   static containsString
[WARNING] location: class

This happens because mockito-all includes Hamcrest classes but a different version. Let's see TestReflectionUtils as an example:
{{import static org.hamcrest.CoreMatchers.containsString; }} will result in error.
Somehow mvn javadoc:test-javadoc will find Mockito's CoreMatchers class on the classpath which has no containsString method.
From Mockito 2 the mockito-all is discontinued so HADOOP-14178 will solve this.

Once HADOOP-14178 is resolved this can be closed as well.