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Re: [m2e-users] m2e plugin execution enhances classes but eclipse resources are then out of sync
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I use this plugin and it seems to work just fine:
<groupId>org.apache.openjpa</groupId>
<artifactId>openjpa-maven-plugin</artifactId>
<version>2.2.0-SNAPSHOT</version>
Vlad
On 12/7/2011 6:51 AM, Anthony Fryer wrote:
I have a JPA project and as part of my maven build I am enhancing the
classes. In eclipse have auto build enabled and in my pom.xml I have
configured m2e to execute the ehance goal to run as part of the
build. This all seems to work fine except for one issue. After the
enhancer has run, the class files are out of sync with eclipse. This
is a problem because if i try to publish to a server I get an error
like "Resource is out of sync with the file system:
'/my-project/target/classes/com/xyz/entity/MyEntity.class'.". I can't
seem to manually refresh the classes either, so I'm stuck at this
point, not being able to publish to the server.
If i configure eclipse to auto Refresh resources automatically
(windows->preferences->General->Workspace->(Refresh using native hooks
or polling | Refresh on Access) ), then i get into a never ending
build cycle loop. It builds, runs the enhancer which updates the
class files, reloads the class files which triggers another auto
build, and so on, building forever.
Could the m2e plugin update the eclipse resources after the maven
builder has executed, so that eclipse is then in sync with the class
files that could potentially get modified by the maven builder?
The relevent sections of the pom.xml for my project are as follows...
<plugin>
<groupId>org.codehaus.mojo</groupId>
<artifactId>openjpa-maven-plugin</artifactId>
<version>1.2</version>
<configuration>
<includes>**/entity/*.class</includes>
<excludes>**/entity/*_.class,**/entity/*$*.class</excludes>
</configuration>
<executions>
<execution>
<id>enhancer</id>
<phase>process-classes</phase>
<goals>
<goal>enhance</goal>
</goals>
</execution>
</executions>
</plugin>
<pluginManagement>
<plugins>
<!--This plugin's configuration is used to store Eclipse m2e settings
only. It has no influence on the Maven build itself.-->
<plugin>
<groupId>org.eclipse.m2e</groupId>
<artifactId>lifecycle-mapping</artifactId>
<version>1.0.0</version>
<configuration>
<lifecycleMappingMetadata>
<pluginExecutions>
<pluginExecution>
<pluginExecutionFilter>
<groupId>org.codehaus.mojo</groupId>
<artifactId>
openjpa-maven-plugin
</artifactId>
<versionRange>[1.2,)</versionRange>
<goals>
<goal>enhance</goal>
</goals>
</pluginExecutionFilter>
<action>
<execute/>
</action>
</pluginExecution>
</pluginExecutions>
</lifecycleMappingMetadata>
</configuration>
</plugin>
</plugins>
</pluginManagement>
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