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https://issues.apache.org/jira/browse/PARQUET-806?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15787976#comment-15787976
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Uwe L. Korn commented on PARQUET-806:
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PR: https://github.com/apache/parquet-mr/pull/396
> Parquet-tools silently suppresses error messages
> ------------------------------------------------
>
> Key: PARQUET-806
> URL: https://issues.apache.org/jira/browse/PARQUET-806
> Project: Parquet
> Issue Type: Bug
> Components: parquet-mr
> Reporter: Zoltan Ivanfi
> Assignee: Zoltan Ivanfi
>
> Without -debug parameter, parquet-tools produces quite cryptic output in case
> of errors. For example, parquet tools may print the following output and
> nothing more:
> org/apache/hadoop/conf/Configuration
> It is not clear from this output that it indicates an error (actually it is
> not clear what it indicates at all). I don't really understand the reasoning
> behind hiding exceptions by default, but instead of this unusable message,
> parquet-tools should at least print:
> NoClassDefFoundError: org/apache/hadoop/conf/Configuration
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