issues while debugging hadoop eclipse

if you come across any issues related below package , then you to have to add guava.jar library java.lang.ClassNotFoundException: com.google.common.base

if you come across any issues related below package , then you to have to add hadoop-auth*.jar library
java.lang.ClassNotFoundException: org.apache.hadoop.util.PlatformName


if you come across any issues related below package , then you to have to add slf4j-api-*.jar library
java.lang.ClassNotFoundException: org.slf4j.LoggerFactory

if you come across any issues related below package , then you to have to add avro*.jar library

java.lang.ClassNotFoundException: org.apache.avro.io.DatumWriter

if you come across any issues related below package , then you to have to add hadoop-yarn*.jar library 

org/apache/hadoop/yarn/util