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https://issues.apache.org/jira/browse/PARQUET-2035?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17333154#comment-17333154
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Gabor Szadovszky commented on PARQUET-2035:
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Got it, thanks for explaining. I guess, we don't have and don't need such
constructs that would break the boundaries in case of fastutil. Meanwhile, I am
not sure we can add proper checks to avoid them.
However, it would be great if we could implement some tests that would ensure
parquet-mr works fine in a java modularized environment. Do you have any idea
to implement such thing?
> Java module import error due to shaded package
> shaded.parquet.it.unimi.dsi.fastutil
> -----------------------------------------------------------------------------------
>
> Key: PARQUET-2035
> URL: https://issues.apache.org/jira/browse/PARQUET-2035
> Project: Parquet
> Issue Type: Bug
> Components: parquet-avro
> Affects Versions: 1.12.0, 1.11.1
> Reporter: Maxim Kolesnikov
> Priority: Major
> Attachments: parquet-example.zip
>
>
> *Description:*
> Due to collision of shaded packages
> {code:java}
> shaded.parquet.it.unimi.dsi.fastutil{code}
> in
> {code:java}
> org.apache.parquet:parquet-avro{code}
> and
> {code:java}
> org.apache.parquet:parquet-column{code}
> it is not possible to use both these dependencies within a modularized java
> project at the same time.
>
>
> *How to reproduce:*
> * create a maven project with dependency
> org.apache.parquet:parquet-avro:1.11.1
> * declare java module that requires both parquet.avro and parquet.column
> * run
> {code:java}
> mvn compile{code}
>
> *Expected behaviour:*
> Project should compile without errors.
>
> *Actual behaviour:*
> Project fails with compilation errors:
>
> {code:java}
> [ERROR] the unnamed module reads package shaded.parquet.it.unimi.dsi.fastutil
> from both parquet.column and parquet.avro
> ...{code}
>
>
> *Reproducible example* (same code as in the attached zip file):
> https://github.com/xCASx/parquet-example
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