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https://issues.apache.org/jira/browse/SOLR-9459?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15451862#comment-15451862
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Jan Høydahl commented on SOLR-9459:
-----------------------------------
That patch does not work, cause some of Solr's dependencies require
commons-lang on the classpath, e.g. {{org.apache.hadoop.fs.Path}}.
So even if we upgrade Solr as a whole to {{commons-lang3}}, we will still need
to require {{commons-lang}} for the HDFS stuff. We could try to avoid having
{{commons-lang}} in core, but then we'd have to factor out {{HdfsDirectory*}},
{{HdfsBackup*}}, {{HdfsTransactionLog}} mm from core into a separate HDFS
contrib?
> Upgrade dependencies
> --------------------
>
> Key: SOLR-9459
> URL: https://issues.apache.org/jira/browse/SOLR-9459
> Project: Solr
> Issue Type: Improvement
> Security Level: Public(Default Security Level. Issues are Public)
> Reporter: Petar Tahchiev
> Attachments: commons-lang3.patch
>
>
> Hello,
> my project has more than 400 dependencies and I'm trying to ban the usage of
> {{commons-collecrtions}} and {{commons-lang}} in favor of
> {{org.apache.commons:commons-collection4}} and
> {{org.apache.commons:commons-lang3}}. Unfortunately out of the 400
> dependencies *only* solr is still using the old {{collections}} and {{lang}}
> dependencies which are more than 6 years old.
> Is there a specific reason for that? Can you please update to the latest
> versions:
> http://repo1.maven.org/maven2/org/apache/commons/commons-lang3/
> http://repo1.maven.org/maven2/org/apache/commons/commons-collections4/
> http://repo1.maven.org/maven2/org/apache/commons/commons-configuration2/
> http://repo1.maven.org/maven2/org/apache/commons/commons-io/
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