[PARQUET-1910] Parquet-cli is broken after TransCompressionCommand was added

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 1.12.0
• Fix Version/s: 1.12.0
• Component/s: parquet-cli
• Labels: pull-request-available
• Assignee: Grisha Weintraub
• Reporter: Grisha Weintraub
• Created: 07/Sep/20 12:41
• Updated: 22/Oct/20 16:39
• Resolved: 21/Oct/20 20:15

Description

Scenario

Run parquet-cli

java -cp 'target/*:target/dependency/*' org.apache.parquet.cli.Main

 

Expected result 

parquet-cli usage is presented

Usage: parquet [options] [command] [command options]

 

Actual result

the following error is presented

Exception in thread "main" com.beust.jcommander.ParameterException: Only one @Parameter with no names attribute is allowed, found:com.beust.jcommander.JCommander$MainParameter@6442b0a6 and com.beust.jcommander.Parameterized@f5bfa59d
        at com.beust.jcommander.JCommander.addDescription(JCommander.java:606)
        at com.beust.jcommander.JCommander.createDescriptions(JCommander.java:587)
        at com.beust.jcommander.JCommander.addCommand(JCommander.java:1533)
        at com.beust.jcommander.JCommander.addCommand(JCommander.java:1512)
        at org.apache.parquet.cli.Main.<init>(Main.java:95)
        at org.apache.parquet.cli.Main.main(Main.java:181)

 

Notes

The error is related to the recent changes in PARQUET-1872.

The fix is trivial - see PR.