Do you have any idea where I could start looking? Do you know if this
is an error of only the gora-tutorial or from the other modules? I
will be searching for some maven tips on the web in the meantime.
Thanks for responding Lewis!


Renato M.


2012/5/17 Lewis John Mcgibbney <[email protected]>:
> Hi Renato,
>
> This is a problem which has come to the surface in the last while and
> yes it is most certainly a bug which needs rooted out and fixed!
>
> I'm currently investigating gora-tutorial pom.xml [0], which has next
> to no dependencies apart from data store implementations which are
> used within the tutorial. It also seems to include a rather random
> reference to the build-helper-maven-plugin, which I don't understand
> as the src/main/java directory is effectively acting as
> src/examples/java does in other modules.
>
> I made a commit yesterday which I thought addressed some early
> problems within the tutorial, but it seems that there is still some
> digging to be done here. This is most likely to have happened during
> the transition from Ant/Ivy to Maven for build lifecycle.
>
> I have work to do for the next tow hours but I will certainly have a
> look into this again tonight.
>
> Thanks for reporting
>
> Lewis
>
> [0] http://svn.apache.org/repos/asf/gora/trunk/gora-tutorial/pom.xml
>
> On Thu, May 17, 2012 at 5:32 PM, Renato Marroquín Mogrovejo
> <[email protected]> wrote:
>> Hi all,
>>
>> I am starting a new thread on the user´s list (:
>> I started doing this tutorial [1] so I can see gora actually working,
>> but I am getting this classpath error when I try to execute the
>> logManager:
>>
>> Exception in thread "main" java.lang.NoClassDefFoundError:
>> org/apache/gora/tutorial/log/LogManager
>> Caused by: java.lang.ClassNotFoundException:
>> org.apache.gora.tutorial.log.LogManager
>>       at java.net.URLClassLoader$1.run(URLClassLoader.java:217)
>>       at java.security.AccessController.doPrivileged(Native Method)
>>       at java.net.URLClassLoader.findClass(URLClassLoader.java:205)
>>       at java.lang.ClassLoader.loadClass(ClassLoader.java:321)
>>       at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:294)
>>       at java.lang.ClassLoader.loadClass(ClassLoader.java:266)
>> Could not find the main class:
>> org.apache.gora.tutorial.log.LogManager. Program will exit.
>>
>> When I looked into the classpath variable, I realized that I have not
>> gotten the gora-tutorial/lib, and that it is not being generated for
>> some reason.
>>
>> :/usr/lib/jvm/java-6-openjdk/lib/tools.jar:/home/hadoop/gora/gora-tutorial/lib/*.jar:/home/hadoop/gora/gora-tutorial/build/*.job:/home/hadoop/gora/gora-tutorial/build/classes:/home/hadoop/gora/gora-tutorial/build/test/classes:/home/hadoop/gora/conf:/home/hadoop/gora/gora-tutorial/conf
>>
>> where gora-tutorial/lib/ doesn´t exist. Any help is highly apreciated!!
>>
>>
>> Renato M.
>>
>> [1] http://gora.apache.org/docs/current/tutorial.html
>
>
>
> --
> Lewis

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