commons-user mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Benedikt Ritter <brit...@apache.org>
Subject Re: Commons CLI - possible faulty build
Date Thu, 18 Aug 2016 10:19:14 GMT
Hello Thomas,

Benedikt Ritter <britter@apache.org> schrieb am Do., 18. Aug. 2016 um
12:09 Uhr:

> Hello Thomas,
>
> Thomas Brand <tom@trellis.ch> schrieb am Fr., 5. Aug. 2016 um 13:50 Uhr:
>
>> Hi,
>>
>> i was looking for a tool to parse command line arguments in Java and came
>> to Apache Commons CLI.
>>
>> I noticed that using the binary package (commons-cli-1.3.1.jar) from
>>
>> http://www.pirbot.com/mirrors/apache//commons/cli/binaries/commons-cli-1.3.1-bin.tar.gz
>> doesn't work. The program compiles but prints the following error:
>>
>> Exception in thread "main" java.lang.NoSuchMethodError:
>> org.apache.commons.cli.Options.hasShortOption(Ljava/lang/String;)Z
>>         at
>>
>> org.apache.commons.cli.DefaultParser.handleShortAndLongOption(DefaultParser.java:490)
>>
>> The jar is in the classpath, it's NOT a classpath issue.
>> Building from source using, all works as expected.
>> You might want to review the binary release.
>>
>
> Although you're sure that your classpath is correct, the error message
> indicates a problem with the classpath. I've setup a minimal sample project
> calling the hasShortOption(String) method and it works [1]. Are your sure
> you're really pulling in the right version of Commons CLI? If so, can you
> provide a sample project for us to investigate?
>
>
>>
>> A minor issue i found with the method Option.getArgs().
>> It's said that
>> "Returns the number of argument values this Option can take."
>> However, if an option doesn't take any value, the return of this method is
>> -1 which seems wrong. Does this sound right?
>>
>>
> Thank you for the pointer, I'll have a look at this.
>

A value of -1 indicates the number of arguments has not been specified.
There is a constant in Option for this (UNINITIALIZED). I've added this
information to the JavaDoc in revision 1756753 [1].

Thank you,
Benedikt

[1] http://svn.apache.org/viewvc?view=revision&revision=1756753


>
> Regards,
> Benedikt
>
> [1] https://github.com/britter/clitest
>
>
>>
>> Thanks and best regards
>> Thomas
>>
>>
>>
>> ---------------------------------------------------------------------
>> To unsubscribe, e-mail: user-unsubscribe@commons.apache.org
>> For additional commands, e-mail: user-help@commons.apache.org
>>
>>

Mime
  • Unnamed multipart/alternative (inline, None, 0 bytes)
View raw message