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https://issues.apache.org/jira/browse/HADOOP-8865?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18017129#comment-18017129
]
ASF GitHub Bot commented on HADOOP-8865:
----------------------------------------
cnauroth commented on PR #7737:
URL: https://github.com/apache/hadoop/pull/7737#issuecomment-3238311522
@zabetak and @slfan1989 , sorry, I think we may need to revert #7766 and
#7737 . I noticed that all of the deprecation warnings are coming out in shell
command output, which is unexpected and may break scripting. These are warnings
for properties declared in core-default.xml, so they aren't easily within the
user's control.
```
> bin/hadoop fs -ls gs://cnauroth-bucket
2025-08-29 21:08:04,116 INFO Configuration.deprecation: fs.default.name in
core-default.xml is deprecated. Instead, use fs.defaultFS
2025-08-29 21:08:04,311 INFO Configuration.deprecation: fs.default.name in
core-default.xml is deprecated. Instead, use fs.defaultFS
2025-08-29 21:08:04,397 INFO Configuration.deprecation: fs.default.name in
core-default.xml is deprecated. Instead, use fs.defaultFS
2025-08-29 21:08:04,558 INFO Configuration.deprecation: fs.default.name in
core-default.xml is deprecated. Instead, use fs.defaultFS
2025-08-29 21:08:04,724 INFO Configuration.deprecation:
io.bytes.per.checksum in core-default.xml is deprecated. Instead, use
dfs.bytes-per-checksum
2025-08-29 21:08:04,724 INFO Configuration.deprecation: fs.default.name in
core-default.xml is deprecated. Instead, use fs.defaultFS
Found 80 items
...
```
> log warn when loading deprecated properties
> -------------------------------------------
>
> Key: HADOOP-8865
> URL: https://issues.apache.org/jira/browse/HADOOP-8865
> Project: Hadoop Common
> Issue Type: Improvement
> Components: conf
> Affects Versions: 3.0.0-alpha1
> Reporter: Jianbin Wei
> Assignee: Stamatis Zampetakis
> Priority: Major
> Labels: BB2015-05-TBR, newbie, pull-request-available
> Fix For: 3.5.0
>
> Attachments: HADOOP-8865.patch, HADOOP-8865.patch, HADOOP-8865.patch
>
>
> We need to log warn when loading deprecated properties.
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