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From danga <dgaeth...@yahoo.com>
Subject Re: Derby Eclipse Plug-in versus JavaDB or Apache Derby
Date Wed, 03 Oct 2007 10:19:06 GMT


Thanks for your reply I believe this is exactly what I need but help out
here how can I get this working. I am not an expert in java. I am using
Eclipse for a long time but not for programming purposes.

I assume I have to get the sources of Derby and incorporate the two jars.


Aaron J Tarter wrote:
> The current plug-in always includes libraries from the default plug-ins
> directory, so custom extension directories will not work.  There is a
> patch
> that fixes this problem here -
> https://issues.apache.org/jira/browse/DERBY-1931.  It uses a classpath
> container instead of the ECLIPSE_HOME variable.  The classpath container
> adds the JARs from wherever they are installed, instead of assuming that
> they are installed in the default plug-ins directory.   Please vote for
> this
> issue.
> On 9/28/07, danga <dgaethofs@yahoo.com> wrote:
>> Hi there,
>> I am using the Eclipse Europa RCP platform and lately installed the
>> Apache
>> Derby Eclipse plug-ins.
>> Now I have a few questions:
>> 1) Since I also have the javaDB installed (Java 1.6) why should I use the
>> plug-in ?
>> I notice that the same jar files are available ?
>> 2) Is it not better to download Apache Derby and install it, instead of
>> the
>> javaDB
>> 3) My third question is a bit more complex and is about using the Derby
>> plugin outside of my eclipse installation using a link file in my eclipse
>> environment that points to the directory where the plugp-in is installed.
>> I have created a separate directory where I unzipped the Apache Derby
>> plug-in. The structure of the directory is
>> eclipse-extension\eclipse\plugins\ ....
>> I added the Apache Derby plug-in's in this directory and I created a
>> .eclipseextension file.
>> Later I created a link file in my eclipse \link directory.
>> I restarted Eclipse and checked whether the plugins were available using
>> Help > About Eclipse SDK > Plugins ... and indeed they are shown.
>> Now I created a simple HelloWorld plug-in and the moment I try to add the
>> Derby nature I get an error message saying that my project is missing the
>> required libraries ... org.apache.derby.core derby.jar, derbyclient.jar,
>> derbynet.jar, derbytools.jar
>> When I look into the properties of my project under Java Build Path I can
>> see the derby jar-files are available. I can also see that the Plug-in
>> dependencies include these jar-files.
>> The error log says also the project cannot be built until build path
>> errors
>> are resolved .
>> I tried afterwards the same thing but now I did not use a link file but
>> the
>> product configuration manager using add extension location, the problem
>> remains.
>> When I add the plugins to the Eclipse plugin directory there is no
>> problem.
>> What is wrong here and what is the best approach to follow ?
>> regards,
>> Danny
>> --
>> View this message in context:
>> http://www.nabble.com/Derby-Eclipse-Plug-in-versus-JavaDB-or-Apache-Derby-tf4532739.html#a12935407
>> Sent from the Apache Derby Users mailing list archive at Nabble.com.
> -- 
> Regards,
> Aaron J Tarter

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