I have made a sample project that illustrates the problem. You can find it
here: https://github.com/tonnymadsen/tests in m2e.tests.classpath

Just right-click the project -> Maven -> Update Project... and the
.classpath will be reduced to..nothing.

/Tonny


On Tue, Jan 15, 2013 at 3:52 PM, Tonny Madsen <[email protected]>wrote:

> m2e: 1.2.0.120903-1050
> Tycho: 0.16.0 (but also tried with 0.17.0-SNAPSHOT)
>
> I will see if I can re-cut down to a small example as well.
>
> /Tonny
>
>
> On Tue, Jan 15, 2013 at 1:51 PM, Igor Fedorenko <[email protected]>wrote:
>
>> What m2e and m2e/tycho version do you use? Are you able to provide small
>> standalone example to illustrate the problem?
>>
>> --
>> Regards,
>> Igor
>>
>>
>> On 2013-01-15 5:18 AM, Tonny Madsen wrote:
>>
>>> I have a problem with a PDE project where Maven -> Update Project...
>>> seems to reset the .classpath of the project. Though this only seems to
>>> happen when the project includes a number of local jar files.
>>>
>>> My original .classpath looks as follows:
>>>
>>> <?xml version="1.0" encoding="UTF-8"?>
>>> <classpath>
>>> <classpathentry exported="true" kind="lib" path="lib/commons-lang-2.2.**
>>> jar"/>
>>> <classpathentry exported="true" kind="lib"
>>> path="lib/commons-**configuration.jar"/>
>>> <classpathentry kind="con"
>>> path="org.eclipse.jdt.**launching.JRE_CONTAINER/org.**
>>> eclipse.jdt.internal.debug.ui.**launcher.StandardVMType/**JavaSE-1.6"/>
>>> <classpathentry kind="con" path="org.eclipse.pde.core.**
>>> requiredPlugins"/>
>>> <classpathentry kind="src" path="src/"/>
>>> <classpathentry kind="output" path="target/classes"/>
>>> </classpath>
>>>
>>> And the reset version is reduced to:
>>>
>>> <?xml version="1.0" encoding="UTF-8"?>
>>> <classpath>
>>> <classpathentry kind="output" path="target/classes"/>
>>> </classpath>
>>>
>>> Which is a bit too limited :-) At the same time I get a dialog with the
>>> following error "lib/commons-configuration.jar [in ...] is not on the
>>> project's build path" (though I have no idea as which is the root
>>> cause)...
>>>
>>> No other project exhibit the same problem. Removing the two libraries,
>>> "solves" the problem. The MANIFEST.MF and build.properties files are
>>> both correct and not changed in the process.
>>>
>>> /Tonny
>>> --
>>>
>>> Tonny Madsen
>>>
>>> My profiles: LinkedIn 
>>> <http://www.linkedin.com/in/**tonnymadsen<http://www.linkedin.com/in/tonnymadsen>>
>>> Twitter
>>> <http://twitter.com/**tonnymadsen <http://twitter.com/tonnymadsen>>
>>> Blogger <http://blog.rcp-company.com/>
>>> SlideShare 
>>> <http://www.slideshare.net/**nonty<http://www.slideshare.net/nonty>
>>> >
>>>
>>>
>>>
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>
>
>
> --
>
> Tonny Madsen
> My profiles: [image: LinkedIn] <http://www.linkedin.com/in/tonnymadsen> 
> [image:
> Twitter] <http://twitter.com/tonnymadsen> [image: 
> Blogger]<http://blog.rcp-company.com/>
>  [image: SlideShare] <http://www.slideshare.net/nonty>
>



-- 

Tonny Madsen
My profiles: [image: LinkedIn] <http://www.linkedin.com/in/tonnymadsen> [image:
Twitter] <http://twitter.com/tonnymadsen> [image:
Blogger]<http://blog.rcp-company.com/>
 [image: SlideShare] <http://www.slideshare.net/nonty>
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