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Re: [m2e-users] wst nature added to project after upgrading m2e and eclipse IDE
m2e-wtp can't be disabled for the moment at the workspace level. Please open a feature request at https://bugs.eclipse.org/bugs/enter_bug.cgi?product=M2E-WTP

As a workaround, you can tell m2e to ignore the m2e-wtp configurator(s) directly in your pom. 
You need to add the following snippet to your pom.xml  :

<profiles>
<profile>
<id>m2e</id>
<!-- This profile is only activated when building in Eclipse with m2e -->
<activation>
<property>
<name>m2e.version</name>
</property>
</activation>
<build>
<pluginManagement>
<plugins>

<plugin>
<groupId>org.eclipse.m2e</groupId>
<artifactId>lifecycle-mapping</artifactId>
<version>1.0.0</version>
<configuration>
<lifecycleMappingMetadata>
<pluginExecutions>
<pluginExecution>
<pluginExecutionFilter>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-war-plugin</artifactId>
<versionRange>[2.0.1,)</versionRange>
<goals>
<goal>war</goal>
</goals>
</pluginExecutionFilter>
<action>
<ignore />
</action>
</pluginExecution>
</pluginExecutions>
</lifecycleMappingMetadata>
</configuration>
</plugin>
</plugins>
</pluginManagement>
</build>
</profile>
</profiles>

See http://git.eclipse.org/c/m2e-wtp/org.eclipse.m2e.wtp.git/tree/org.eclipse.m2e.wtp/lifecycle-mapping-metadata.xml for the other plugin executions that may need to be overriden in your pom.xml (replace <configurator> block with <ignore/>)


2013/6/4 John Prestel <jprestel@xxxxxxxxxxxxxxxxxxxxx>
The "What's Already Installed?" dialog wouldn't let me uninstall just m2e-wtp. If I find a solution, I will report back!

Thanks again,

John


On Mon, Jun 3, 2013 at 8:04 PM, Igor Fedorenko <igor@xxxxxxxxxxxxxx> wrote:
You should be able to, but I've never done this myself, if does not work
may be worth checking p2 or eclipse platform forums or user mailings lists.

--
Regards,
Igor


On 2013-06-03 7:09 PM, John Prestel wrote:
Igor,

I did wind up getting m2e-wtp as part of the upgrade. Can I simply
uninstall it?



John


On Mon, Jun 3, 2013 at 6:52 PM, Igor Fedorenko <igor@xxxxxxxxxxxxxx
<mailto:igor@xxxxxxxxxxxxxx>> wrote:

    Is there a chance you installed m2e-wtp as part of the upgrade? It is
    part of Kepler release common repository and is not hard to install by
    accident. It is also included in "for Java EE" eclipse package.

    --
    Regards,
    Igor


    On 2013-06-03 6:39 PM, John Prestel wrote:

        Running Eclipse Kepler (Java EE), I updated my m2e installation to
        1.4.0.20130525-03100 (from 1.4.0.20130521-1115). At that time, I
        also
        received an upgrade for Eclipse itself, going to version
        2.0.0.20130528-1545 (from 2.0.0.20130509-1008).

        When I opened up my workspace, m2e complained that my existing
        projects
        were no longer up-to-date, and indicated that I should update
        them from
        the pom. When I did so, I got several changes to my settings,
        project,
        and classpath files. These led to new errors reported in the
        Problems
        tab, so I tried reverting the changes. However, after reverting,
        Eclipse
        immediately modified my project file again, adding in a wst nature:


        <nature>org.eclipse.wst.__common.project.facet.core.__nature</nature>



        as well as a new build command:

             <buildCommand>

        <name>org.eclipse.wst.common.__project.facet.core.builder</__name>

             <arguments>
             </arguments>
             </buildCommand>


        I'm not sure if m2e is responsible for this addition, or if this is
        coming from changes in the Java IDE. Can you possibly shed any
        light?


        Thanks so much!

        John


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--
*John Prestel*

Software Engineer
Safari Books Online, LLC | http://www.safaribooksonline.com
33 Farnsworth Street
Boston, MA 02210
617.235.5806

/Please update your address book with my new address/:
jprestel@xxxxxxxxxxxxxxxxxxxxx <mailto:jprestel@safaribooksonline.com>




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--
John Prestel

Software Engineer
Safari Books Online, LLC | http://www.safaribooksonline.com
33 Farnsworth Street
Boston, MA 02210
617.235.5806

Please update your address book with my new address: jprestel@xxxxxxxxxxxxxxxxxxxxx


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