On 15/06/2009, esharris <esharris@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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