Robert Kanter created OOZIE-1172:
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Summary: Add documentation on how to get Java actions to
authenticate properly on Kerberos-enabled clusters
Key: OOZIE-1172
URL: https://issues.apache.org/jira/browse/OOZIE-1172
Project: Oozie
Issue Type: Improvement
Components: docs
Affects Versions: trunk
Reporter: Robert Kanter
Assignee: Robert Kanter
Priority: Minor
Fix For: trunk
If a user tries to use a Java action, so they've written their own Java main
method, on a Kerberos-enabled cluster it will fail because they need to
propagate the delegation token like this (taken from the MapReduce action):
{code}
// propagate delegation related props from launcher job to MR job
if (System.getenv("HADOOP_TOKEN_FILE_LOCATION") != null) {
jobConf.set("mapreduce.job.credentials.binary",
System.getenv("HADOOP_TOKEN_FILE_LOCATION"));
}
{code}
We should document this somewhere.
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