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Posted to dev@parquet.apache.org by "Kengo Seki (Jira)" <ji...@apache.org> on 2022/08/26 05:05:00 UTC

[jira] [Created] (PARQUET-2177) Fix parquet-cli not to fail showing descriptions

Kengo Seki created PARQUET-2177:
-----------------------------------

             Summary: Fix parquet-cli not to fail showing descriptions
                 Key: PARQUET-2177
                 URL: https://issues.apache.org/jira/browse/PARQUET-2177
             Project: Parquet
          Issue Type: Bug
            Reporter: Kengo Seki
            Assignee: Kengo Seki


Currently, trying to show the descriptions of the 'prune' and 'masking' subcommands leads to NPE as follows.

{code}
$ java -cp 'target/parquet-cli-1.13.0-SNAPSHOT.jar:target/dependency/*' org.apache.parquet.cli.Main help prune
Exception in thread "main" java.lang.NullPointerException
	at com.beust.jcommander.JCommander$MainParameter.access$900(JCommander.java:64)
	at com.beust.jcommander.JCommander.getMainParameterDescription(JCommander.java:965)
	at org.apache.parquet.cli.Help.run(Help.java:65)
	at org.apache.parquet.cli.Main.run(Main.java:146)
	at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:76)
	at org.apache.parquet.cli.Main.main(Main.java:189)
{code}

{code}
$ java -cp 'target/parquet-cli-1.13.0-SNAPSHOT.jar:target/dependency/*' org.apache.parquet.cli.Main help masking
Exception in thread "main" java.lang.NullPointerException
	at com.beust.jcommander.JCommander$MainParameter.access$900(JCommander.java:64)
	at com.beust.jcommander.JCommander.getMainParameterDescription(JCommander.java:965)
	at org.apache.parquet.cli.Help.run(Help.java:65)
	at org.apache.parquet.cli.Main.run(Main.java:146)
	at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:76)
	at org.apache.parquet.cli.Main.main(Main.java:189)
{code}



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