Kihwal Lee created HADOOP-8611:
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Summary: Allow fall-back to the shell-based implementation when
JNI-based users-group mapping fails
Key: HADOOP-8611
URL: https://issues.apache.org/jira/browse/HADOOP-8611
Project: Hadoop Common
Issue Type: Bug
Components: security
Affects Versions: 2.0.0-alpha, 0.23.0, 1.0.3
Reporter: Kihwal Lee
Assignee: Kihwal Lee
Fix For: 1.1.1, 0.23.3, 3.0.0, 2.2.0-alpha
When the JNI-based users-group mapping is enabled, the process/command will
fail if the native library, libhadoop.so, cannot be found. This mostly happens
at client-side where users may use hadoop programatically. Instead of failing,
falling back to the shell-based implementation will be desirable. Depending on
how cluster is configured, use of the native netgroup mapping cannot be
subsituted by the shell-based default. For this reason, this behavior must be
configurable with the default being "disabled".
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