Recently I've started making changes to the Dropwizard base code using
Eclipse. When setting up the workspace, I noticed that the default-compile
and default-testCompile goals are not recognized by m2e. It turns out to be
known limitation with the m2e plugin and the workaround is as follows:
1. Run Eclipse and open the Dropwizard workspace.
2. In the top menu, open *Window* > *Preferences*.
3. In the *Preferences* dialog, expand *Maven* and select *Lifecycle
Mappings* from the left menu tree.
4. Click *Open workspace lifecycle mappings metadata*, then close the
dialog.
5. In the editor view for the opened lifecycle-mapping-metadata.xml
file, copy and paste the following code:
<?xml version="1.0" encoding="UTF-8"?>
<lifecycleMappingMetadata>
<lifecycleMappings>
<lifecycleMapping>
<packagingType>jar</packagingType>
<lifecycleMappingId>org.eclipse.m2e.jdt.JarLifecycleMapping
</lifecycleMappingId>
</lifecycleMapping>
</lifecycleMappings>
<pluginExecutions>
<pluginExecution>
<pluginExecutionFilter>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<versionRange>3.5.1</versionRange>
<goals>
<goal>testCompile</goal>
<goal>compile</goal>
</goals>
</pluginExecutionFilter>
<action>
<configurator>
<id>org.eclipse.m2e.jdt.javaConfigurator</id>
</configurator>
</action>
</pluginExecution>
</pluginExecutions>
</lifecycleMappingMetadata>
6. Save and close the file.
7. Restart Eclipse.
After this, the Maven errors no longer show up and you can use Eclipse
normally to develop Dropwizard.
Just wanted to leave this instruction somewhere in case any developer wants
to use Eclipse for Dropwizard development.
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