sebb-2-2 wrote:
>
> On 15/06/2009, esharris <eshar...@mac.com> wrote:
>>
>>
>>
>> esharris wrote:
>> >
>> >
>> >
>> > beeky wrote:
>> >>
>> >> I'm jumping in sort of late on this, but here goes.
>> >>
>> >> To locate local config issues do the following.
>> >>
>> >> Create a simple script, call it 'view_cpath.bat', to invoke your app
>> and
>> >> output the classpath before the line that calls your app.
>> >>
>> >> ------ begin script (windows batch file example):
>> >> echo classpath=%classpath%
>> >> java my.org.myapp %*
>> >> ----- end script
>> >>
>> >> invoke your app with view_cpath.bat ... normal arg list ...
>> >>
>> >> With classpath in hand, check the following:
>> >> 1. is the cli jar file explicitly named in the classpath? *.jar will
>> >> not work.
>> >> 2. is the jar file actually in the place where the classpath says it
>> >> should be? Use dir or ls on classpath entries to be sure.
>> >> 3. check for misspellings of the jar file name in classpath. The
>> >> spelling is relative, obviously both classpath entry and actual jar
>> file
>> >> must be spelled the same. Commons jar files have lots of '-' and
>> '.',
>> >> it is easy to get them wrong. I've done it many, many times!
>> >>
>> >> This will find the problem is it is just local configuration.
>> >>
>> >> To make sure you are using the correct jar file do the following.
>> >> use 'jar tvf commons-cli-1.1.jar' (from the directory that contain
>> the
>> >> jar file) to view the contents of the jar file. In the output you
>> >> should see something like:
>> >>
>> >> 423 Wed Jul 04 19:48:06 EDT 2007
>> >> org/apache/commons/cli/CommandLineParser.class
>> >>
>> >> If you don't see this you have a bad/wrong jar file. Try downloading
>> >> again.
>> >>
>> >> Hope this helps,
>> >> -=beeky
>> >>
>> >>
>> >>
>> >> esharris wrote:
>> >>> This the only message:
>> >>>
>> >>> Exception in thread "main" java.lang.NoClassDefFoundError:
>> >>> org/apache/commons/cli/CommandLineParser.
>> >>>
>> >>> I only have 1.4.2 java on my machine.
>> >>>
>> >>> Earl
>> >>>
>> >>> Emmanuel Bourg-3 wrote:
>> >>>
>> >>>> esharris a écrit :
>> >>>>
>> >>>>
>> >>>>> IMHO, NoClassDefFoundError is hard to debug.
>> >>>>>
>> >>>> Could you paste the full stack trace? Also, check that the code was
>> >>>> compiled with -target 1.4
>> >>>>
>> >>>> Emmanuel Bourg
>> >>>>
>> >>>>
>> >>>>
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>> >>>>
>> >>>>
>> >>>>
>> >>>>
>> >>>
>> >>>
>> >>
>> >>
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>> >>
>> >>
>> >>
>> >
>> > Initially, there was no CLASSPATH. I added the long name of the
>> > commons-cli-1.2.jar to the class path. The execution of the bat file
>> > displayed the expected class path. But this didn't solve the problem.
>> I
>> > also introduced a JAVA_HOME environment variable that has the path to
>> the
>> > jdk.
>> >
>>
>>
>> If I put both jars in the same directory, extract everything out of the
>> jars, and do a "java {path to main class}", it works.
>>
>> IMHO, my ability to set the class path to a jar is broken. And my
>> ability to
>> set the class path to something besides the current directory is broken.
>
> The java command ignores the classpath if you use the -jar option.
> This is by design, and is documented:
>
> http://java.sun.com/j2se/1.4.2/docs/tooldocs/windows/java.html#-jar
>
> See the last paragraph for the -jar option.
>
> The problems you are reporting don't seem to be specific to Commons CLI.
>
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>>
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>>
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>>
>
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>
>
The problem is not specified to a particular jar.
If I want to execute a class file with dependencies, I can do it using class
directories or jar files that are not immediately in the current directory.
I just use the -commandpath option and include the current directory.
If I want to execute a Jar file with dependencies, I can't do it. I need to
learn more about how to get Eclipse to create a manifest containing the
right class pathes.
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