Zhijie Shen created HADOOP-10601:
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Summary: We should prevent AuthenticationFilter to be installed
twice
Key: HADOOP-10601
URL: https://issues.apache.org/jira/browse/HADOOP-10601
Project: Hadoop Common
Issue Type: Bug
Reporter: Zhijie Shen
It seems that we have two way to install the authentication filter (at least
from YARN aspect):
1. have SPNEGO configs and use withHttpSpnegoXXXX when starting the web app;
2. add AuthenticationFilterInitializer into the configuration of filter
initializer list.
If both ways are used, it seems that two AuthenticationFilter will be
instantiated, which is not expected. It's good to allow one or the other.
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