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HDFS-11161. Incorporate Baidu BOS file system implementation. #8347

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HDFS-11161. Incorporate Baidu BOS file system implementation. #8347

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afb04c0
HDFS-11161. Incorporate Baidu BOS file system implementation.
Mar 16, 2026
62aad1a
HDFS-11161. Address PR review feedback for hadoop-bos module.
Mar 20, 2026
a6aa28e
HDFS-11161. Fix CI: SpotBugs, checkstyle, and contract test failures.
Mar 21, 2026
15e2933
HDFS-11161. Add package-info.java for test packages to fix checkstyle…
Mar 22, 2026
bbe2216
HDFS-11161. Add directory-maven-plugin for standalone SpotBugs builds.
Mar 22, 2026
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62 changes: 62 additions & 0 deletions hadoop-cloud-storage-project/hadoop-bos/dev-support/findbugs-exclude.xml
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<!--
Licensed to the Apache Software Foundation (ASF) under one or more
contributor license agreements. See the NOTICE file distributed with
this work for additional information regarding copyright ownership.
The ASF licenses this file to You under the Apache License, Version 2.0
(the "License"); you may not use this file except in compliance with
the License. You may obtain a copy of the License at

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
-->
<FindBugsFilter>
<!-- BosInputStream stores mutable configuration and statistics
objects passed from the caller; defensive copies are
unnecessary for internal use. -->
<Match>
<Class name="org.apache.hadoop.fs.bos.BosInputStream"/>
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@LuciferYang LuciferYang Mar 19, 2026

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Which issues can be fixed? Additionally, it's better to suppress issues as precisely as possible rather than using broad suppressions.

<Or>
<Bug pattern="EI_EXPOSE_REP"/>
<Bug pattern="EI_EXPOSE_REP2"/>
</Or>
</Match>
<!-- BosOutputStream stores mutable store and configuration
objects passed from the caller. -->
<Match>
<Class name="org.apache.hadoop.fs.bos.BosOutputStream"/>
<Or>
<Bug pattern="EI_EXPOSE_REP"/>
<Bug pattern="EI_EXPOSE_REP2"/>
</Or>
</Match>
<!-- FileMetadata exposes ObjectMetadata and attribute Set
without defensive copies for performance. -->
<Match>
<Class name="org.apache.hadoop.fs.bos.FileMetadata"/>
<Or>
<Bug pattern="EI_EXPOSE_REP"/>
<Bug pattern="EI_EXPOSE_REP2"/>
</Or>
</Match>
<!-- PartialListing stores and returns arrays without
defensive copies for performance in listing operations. -->
<Match>
<Class name="org.apache.hadoop.fs.bos.PartialListing"/>
<Or>
<Bug pattern="EI_EXPOSE_REP"/>
<Bug pattern="EI_EXPOSE_REP2"/>
</Or>
</Match>
<!-- BosCRC32CCheckSum uses unsigned right shift on an int
value to extract individual bytes; this is intentional. -->
<Match>
<Class name="org.apache.hadoop.fs.bos.utils.BosCRC32CCheckSum"/>
<Method name="writeInt"/>
<Bug pattern="ICAST_QUESTIONABLE_UNSIGNED_RIGHT_SHIFT"/>
</Match>
</FindBugsFilter>
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