java.io.IOException: HADOOP_HOME or hadoop.home.dir are not set.

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via Stack Overflow by Chris White

Check if you have write permissions on the you want to write to

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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 Stack Overflow by qualebs
, 10 months ago
HADOOP_HOME or hadoop.home.dir are not set.
via Stack Overflow by Alchemist
, 1 year ago
via apache.org by Unknown author, 1 year ago
HADOOP_HOME or hadoop.home.dir are not set.
via Apache's JIRA Issue Tracker by Steve Loughran, 1 year ago
HADOOP_HOME or hadoop.home.dir are not set.
via apache.org by Unknown author, 1 year 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:225)
at org.apache.hadoop.util.Shell.(Shell.java:250)
at org.apache.hadoop.fs.RawLocalFileSystem.setPermission(RawLocalFileSystem.java:639)
at org.apache.hadoop.fs.FilterFileSystem.setPermission(FilterFileSystem.java:468)
at org.apache.hadoop.fs.ChecksumFileSystem.create(ChecksumFileSystem.java:456)
at org.apache.hadoop.fs.ChecksumFileSystem.create(ChecksumFileSystem.java:424)
at org.apache.hadoop.fs.FileSystem.create(FileSystem.java:905)
at org.apache.hadoop.fs.FileSystem.create(FileSystem.java:886)
at org.apache.hadoop.fs.FileSystem.create(FileSystem.java:783)
at com.qualebs.managers.HadoopDFS.writer(HadoopDFS.java:41)

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