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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