FAQ
JAAS configuration should delegate unknown application names to pre-existing configuration
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Key: HADOOP-7070
URL: https://issues.apache.org/jira/browse/HADOOP-7070
Project: Hadoop Common
Issue Type: Bug
Components: security
Affects Versions: 0.22.0, 0.23.0
Reporter: Todd Lipcon
Assignee: Todd Lipcon
Priority: Critical


As reported here: https://issues.cloudera.org/browse/DISTRO-66 it is impossible to use secured Hadoop inside an application that relies on other JAAS configurations. This is because the static initializer of UserGroupInformation replaces the JAAS configuration, but we don't delegate unknown applications up to whatever Configuration was installed previously. The delegation technique seems to be used by JBoss's XMLLoginConfigImpl for example.

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postedDec 20, '10 at 11:19p
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