hadoop/hadoop-tools/hadoop-aliyun/dev-support/findbugs-exclude.xml

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<FindBugsFilter>
    <!-- Disable FindBugs warning and return the buffer to caller directly.
         It is convenient and efficient because we do not need to copy the buffer
    -->
    <Match>
        <Class name="org.apache.hadoop.fs.aliyun.oss.ReadBuffer" />
        <Method name="getBuffer" />
        <Bug pattern="EI_EXPOSE_REP" />
    </Match>
</FindBugsFilter>