I have a very small class:
package group.hello;
public abstract class Test extends org.eclipse.ui.part.ViewPart { }
which I compile and package using a very small pom:
<?xml version="1.0" encoding="UTF-8"?>
<project>
<modelVersion>4.0.0</modelVersion>
<groupId>group</groupId>
<artifactId>hello</artifactId>
<version>0</version>
<packaging>bundle</packaging>
<build>
<plugins>
<plugin>
<groupId>org.apache.felix</groupId>
<artifactId>maven-bundle-plugin</artifactId>
<extensions>true</extensions>
<configuration>
<manifestLocation>META-INF</manifestLocation>
</configuration>
</plugin>
</plugins>
</build>
<dependencies>
<dependency>
<groupId>org.eclipse</groupId>
<artifactId>ui</artifactId>
<version>[3.4,4.0)</version>
<scope>provided</scope>
</dependency>
</dependencies>
</project>
The generated MANIFEST.MF contains in this case "Import-Package:
group.hello,org.eclipse.ui.part" (seems very reasonable!)
Now, if I generate the Eclipse files with
>mvn clean package eclipse:clean eclipse:eclipse -Declipse.pde=true
install
and import the project in Eclipse 3.4, Eclipse complains:
- org.eclipse cannot be resolved to a type
- The type org.eclipse.core.commands.common.EventManager cannot be
resolved. It is indirectly referenced from required .class files
Moved by despair, I changed the scope of org.eclipse.ui to "compile";
MANIFEST.MF was then generated with "Import-Package:
group.hello,org.eclipse.ui.part;ui.workbench=split;" but Eclipse
complained more than before:
- The type org.eclipse.swt.graphics.Image cannot be resolved. It is
indirectly referenced from required .class files
- The type org.eclipse.core.runtime.IConfigurationElement cannot be
resolved. It is indirectly referenced from required .class files
- The type org.eclipse.jface.util.IPropertyChangeListener cannot be
resolved. It is indirectly referenced from required .class files
- The type org.eclipse.core.runtime.IAdaptable cannot be resolved. It is
indirectly referenced from required .class files
- The type org.eclipse.core.commands.common.EventManager cannot be
resolved. It is indirectly referenced from required .class files
- The type org.eclipse.swt.widgets.Composite cannot be resolved. It is
indirectly referenced from required .class files
- The type org.eclipse.core.runtime.IExecutableExtension cannot be
resolved. It is indirectly referenced from required .class files
I only can make Eclipse happy if I manually add either all the missing
packages (using <Import-Package>) or org.eclipse.ui (using
<Require-Bundle>). But since Require-Bundle should be avoided, and
Import-Package, according to the documentation, "rarely has to be
explicitly specified", I'd like to know the "right way" of changing my pom
in order to get a correct MANIFEST.MF.
(BTW: the two-line class was tailored from the Eclipse plugin template
"RCP application with a view")
Thanks
-- clovis
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