User configurable filter fails to filter accesses to certain directories
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Key: HADOOP-4282
URL: https://issues.apache.org/jira/browse/HADOOP-4282
Project: Hadoop Core
Issue Type: Bug
Components: dfs
Affects Versions: 0.18.1
Reporter: Kan Zhang
Hadoop-3854 introduced a framework where users can add filters to the HTTP
server to filter part of the HTTP interface, i.e., those user facing URLs.
Directories "/logs/*" and "/static/*" are supposed to be filtered. However,
files in those directories can be retrieved without triggering my configured
filter. The corresponding junit test didn't catch the bug for 2 reasons. 1) it
didn't try to access files in those 2 directories. 2) Even if it did, it might
still fail to catch the bug, since according to my observation, only when
accessing existent files my filter is bypassed. When accessing non-existent
files (which is what the junit test does), my filter is triggered as expected.
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