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  1. ,
    Expert tip

    There's probably a problem with your dependencies, check if you used "hadoop-yarn-common". Also check if you have the right version of hadoop for the version of mapreduce that you're using.

Solutions on the web

via Google Groups by Fredrik, 11 months ago
HADOOP_HOME or hadoop.home.dir are not set.
via Google Groups by Robin Moffatt, 1 year ago
Hadoop home directory does not exist, is not a directory, or is not an absolute path.
via apache.org by Unknown author, 2 years ago
via apache.org by Unknown author, 2 years ago
HADOOP_HOME or hadoop.home.dir are not set.
via samza-dev by Job-Selina Wu, 2 years ago
HADOOP_HOME or hadoop.home.dir are not set*.
java.io.IOException: HADOOP_HOME or hadoop.home.dir are not set.	at org.apache.hadoop.util.Shell.checkHadoopHome(Shell.java:325)	at org.apache.hadoop.util.Shell.(Shell.java:350)	at org.apache.hadoop.util.StringUtils.(StringUtils.java:79)	at org.apache.hadoop.security.Groups.parseStaticMapping(Groups.java:130)	at org.apache.hadoop.security.Groups.(Groups.java:94)	at org.apache.hadoop.security.Groups.(Groups.java:74)	at org.apache.hadoop.security.Groups.getUserToGroupsMappingService(Groups.java:303)	at org.apache.hadoop.security.UserGroupInformation.initialize(UserGroupInformation.java:283)	at org.apache.hadoop.security.UserGroupInformation.ensureInitialized(UserGroupInformation.java:260)	at org.apache.hadoop.security.UserGroupInformation.isAuthenticationMethodEnabled(UserGroupInformation.java:337)	at org.apache.hadoop.security.UserGroupInformation.isSecurityEnabled(UserGroupInformation.java:331)	at co.cask.cdap.common.kerberos.SecurityUtil.loginForMasterService(SecurityUtil.java:148)	at co.cask.cdap.master.startup.MasterStartupTool.main(MasterStartupTool.java:75)