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.
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