Arpit Agarwal created HDFS-5039:
-----------------------------------
Summary: Datanode daemon cannot be started on OS X
Key: HDFS-5039
URL: https://issues.apache.org/jira/browse/HDFS-5039
Project: Hadoop HDFS
Issue Type: Bug
Affects Versions: 3.0.0
Environment: OS X
Reporter: Arpit Agarwal
Datanode fails to start with the following exception on OS X.
{code}
java.io.IOException: Unable to stat path: file:/tmp/hadoop-user/dfs/data/
at org.apache.hadoop.fs.Stat.parseExecResult(Stat.java:104)
at org.apache.hadoop.util.Shell.runCommand(Shell.java:468)
at org.apache.hadoop.util.Shell.run(Shell.java:401)
at org.apache.hadoop.fs.Stat.getFileStatus(Stat.java:65)
at
org.apache.hadoop.fs.RawLocalFileSystem.getFileLinkStatusInternal(RawLocalFileSystem.java:792)
at
org.apache.hadoop.fs.RawLocalFileSystem.getFileStatus(RawLocalFileSystem.java:523)
at
org.apache.hadoop.fs.FilterFileSystem.getFileStatus(FilterFileSystem.java:398)
at
org.apache.hadoop.util.DiskChecker.mkdirsWithExistsAndPermissionCheck(DiskChecker.java:129)
at org.apache.hadoop.util.DiskChecker.checkDir(DiskChecker.java:146)
at
org.apache.hadoop.hdfs.server.datanode.DataNode$DataNodeDiskChecker.checkDir(DataNode.java:1782)
at
org.apache.hadoop.hdfs.server.datanode.DataNode.getDataDirsFromURIs(DataNode.java:1829)
at
org.apache.hadoop.hdfs.server.datanode.DataNode.makeInstance(DataNode.java:1806)
at
org.apache.hadoop.hdfs.server.datanode.DataNode.instantiateDataNode(DataNode.java:1726)
at
org.apache.hadoop.hdfs.server.datanode.DataNode.createDataNode(DataNode.java:1749)
at
org.apache.hadoop.hdfs.server.datanode.DataNode.secureMain(DataNode.java:1921)
at
org.apache.hadoop.hdfs.server.datanode.DataNode.main(DataNode.java:1942)
2013-07-27 13:51:19,460 FATAL [main] datanode.DataNode
(DataNode.java:secureMain(1925)) - Exception in secureMain
{code}
It appears to be caused by {{Stat#getExecString}} not supporting OS X.
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