Tycho不使用Eclipse中没有版本的eclipse-target-definition项目中的目标文件

Question

I have a problem with the Maven/Tycho mechanism to resolve dependencies from a .target file. I followed the information on https://wiki.eclipse.org/Tycho/Target_Platform#Target_files , but do not get the expected results. Here are some facts:

Target file:

<target name="Eclipse Kepler Target" sequenceNumber="1424335573">
<locations>
    <location includeMode="slicer" includeAllPlatforms="false" includeSource="false" includeConfigurePhase="false" type="InstallableUnit">
        <unit id="org.eclipse.sdk.feature.group" version="0.0.0"/>
        <unit id="org.eclipse.equinox.executable.feature.group" version="0.0.0"/>
        <unit id="org.eclipse.equinox.p2.sdk.feature.group"  version="0.0.0"/>
        <unit id="org.eclipse.emf.sdk.feature.group" version="0.0.0"/>
        <unit id="org.eclipse.emf.transaction.sdk.feature.group" version="0.0.0"/>
        <unit id="org.eclipse.emf.validation.sdk.feature.group" version="0.0.0"/>
        <unit id="org.eclipse.emf.workspace.feature.group" version="0.0.0"/>
        <unit id="org.eclipse.emf.workspace.source.feature.group" version="0.0.0"/>
        <unit id="org.eclipse.emf.eef.sdk-feature.feature.group" version="0.0.0"/>
        <unit id="org.eclipse.draw2d.sdk.feature.group" version="0.0.0"/>
        <unit id="org.eclipse.gef.sdk.feature.group" version="0.0.0"/>
        <unit id="org.eclipse.gmf.runtime.sdk.feature.group" version="0.0.0"/>
        <unit id="org.eclipse.gmf.runtime.notation.sdk.feature.group" version="0.0.0"/>
        <unit id="org.eclipse.acceleo.feature.group" version="0.0.0"/>
        <unit id="org.eclipse.acceleo.source.feature.group" version="0.0.0"/>
        <unit id="org.eclipse.ocl.feature.group" version="0.0.0"/>
        <unit id="org.eclipse.ocl.source.feature.group" version="0.0.0"/>
        <repository id="kepler" location="http://korvm016.apac.bosch.com/updatesites/thirdparty/eclipse_4.3_kepler/"/>
    </location>
    <location includeMode="slicer" includeAllPlatforms="false" includeSource="false" includeConfigurePhase="false" type="InstallableUnit">
        <unit id="com.google.inject" version="0.0.0"/>
        <unit id="com.google.inject.source" version="0.0.0"/>
        <unit id="com.google.inject.assistedinject.source" version="0.0.0"/>
        <unit id="com.google.inject.assistedinject" version="0.0.0"/>
        <unit id="com.google.inject.multibindings.source" version="0.0.0"/>
        <unit id="com.google.inject.multibindings" version="0.0.0"/>
        <unit id="com.google.guava" version="0.0.0"/>
        <unit id="com.google.guava.source" version="0.0.0"/>
        <unit id="javax.activation" version="0.0.0"/>
        <unit id="javax.activation.source" version="0.0.0"/>
        <unit id="org.aopalliance" version="0.0.0"/>
        <unit id="org.apache.commons.cli" version="0.0.0"/>
        <unit id="org.apache.commons.cli.source" version="0.0.0"/>
        <unit id="org.apache.commons.collections" version="0.0.0"/>
        <unit id="org.apache.commons.collections.source" version="0.0.0"/>
        <unit id="org.apache.commons.exec" version="0.0.0"/>
        <unit id="org.apache.commons.exec.source" version="0.0.0"/>
        <unit id="org.apache.commons.httpclient" version="0.0.0"/>
        <unit id="org.apache.commons.httpclient.source" version="0.0.0"/>
        <unit id="org.apache.commons.io" version="0.0.0"/>
        <unit id="org.apache.commons.io.source" version="0.0.0"/>
        <unit id="org.apache.commons.lang" version="0.0.0"/>
        <unit id="org.apache.commons.lang.source" version="0.0.0"/>
        <unit id="org.junit" version="0.0.0"/>
        <unit id="org.junit.source" version="0.0.0"/>
        <unit id="org.hamcrest.core.source" version="0.0.0"/>
        <unit id="org.hamcrest.core" version="0.0.0"/>
        <unit id="org.hamcrest.generator.source" version="0.0.0"/>
        <unit id="org.hamcrest.generator" version="0.0.0"/>
        <unit id="org.hamcrest.integration.source" version="0.0.0"/>
        <unit id="org.hamcrest.integration" version="0.0.0"/>
        <unit id="org.hamcrest.library.source" version="0.0.0"/>
        <unit id="org.hamcrest.library" version="0.0.0"/>
        <unit id="org.hamcrest.text.source" version="0.0.0"/>
        <unit id="org.hamcrest.text" version="0.0.0"/>
        <unit id="org.hamcrest" version="0.0.0"/>
        <unit id="org.mockito" version="0.0.0"/>
        <unit id="org.mockito.source" version="0.0.0"/>
        <unit id="org.objenesis" version="0.0.0"/>
        <unit id="org.objenesis.source" version="0.0.0"/>
        <unit id="ch.qos.logback.classic" version="0.0.0"/>
        <unit id="ch.qos.logback.classic.source" version="0.0.0"/>
        <unit id="ch.qos.logback.core" version="0.0.0"/>
        <unit id="ch.qos.logback.core.source" version="0.0.0"/>
        <unit id="ch.qos.logback.slf4j" version="0.0.0"/>
        <unit id="ch.qos.logback.slf4j.source" version="0.0.0"/>
        <unit id="org.slf4j.api" version="0.0.0"/>
        <unit id="org.slf4j.api.source" version="0.0.0"/>
        <repository id="orbit" location="http://korvm016.apac.bosch.com/updatesites/thirdparty/orbit-buildrepo-R20140525021250/"/>
     </location>
</locations>
</target>

The pom-File for the target module:

<?xml version="1.0" encoding="UTF-8"?>
<project
    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"
    xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
    <modelVersion>4.0.0</modelVersion>
    <groupId>com.etas.congra.releng</groupId>
    <artifactId>com.etas.congra.releng.targetplatform</artifactId>
    <packaging>eclipse-target-definition</packaging>
</project>

I do not have a version in here, because I found a page in the web which told the story that a version in the pom for the eclipse-target-packaging does not work and in fact, specifying a version resulted in not resolving the following configuration in the parent pom used for all other maven modules:

<plugins>
<plugin>
    <groupId>org.eclipse.tycho</groupId>
    <artifactId>target-platform-configuration</artifactId>
    <version>${tycho-version}</version>
    <configuration>
        <target>
            <artifact>
                <groupId>com.etas.congra.releng</groupId>
                <artifactId>com.etas.congra.releng.targetplatform</artifactId>
                <relativePath>../../releng/com.etas.congra.releng.targetplatform/pom.xml</relativePath>
            </artifact>
        </target>
    </configuration>
</plugin>
</plugins>

With this in place I get the following error message during the maven build:

[INFO] Scanning for projects...
[INFO] Computing target platform for MavenProject: com.etas.congra.releng:com.etas.congra.log:0.1.0-SNAPSHOT @ D:\ConGra_IDE_Luna_win64\git\congra\plugins\com.etas.congra.log\pom.xml
[INFO] Resolving dependencies of MavenProject: com.etas.congra.releng:com.etas.congra.log:0.1.0-SNAPSHOT @ D:\ConGra_IDE_Luna_win64\git\congra\plugins\com.etas.congra.log\pom.xml
[INFO] Cannot complete the request.  Generating details.
[INFO] Cannot complete the request.  Generating details.
[INFO] {osgi.ws=win32, osgi.os=win32, osgi.arch=x86_64, org.eclipse.update.install.features=true}
[ERROR] Cannot resolve project dependencies:
[ERROR]   Software being installed: com.etas.congra.log 0.1.0.qualifier
[ERROR]   Missing requirement: com.etas.congra.log 0.1.0.qualifier requires 'bundle ch.qos.logback.classic 1.0.7' but it could not be found
[ERROR]

It cannot resolve dependencies to artifacts from the target file, although the target works properly in the Eclipse workspace and if all repositories mentioned in the target files are expressed as repository tags in the pom file, the build also works.

Has anybody an idea what is wrong in my configuration?

Answer 1

same question asked and answered on the tycho-user mailing list:

https://dev.eclipse.org/mhonarc/lists/tycho-user/msg06323.html

Answer 2

When you configure a target-platform-configuration artifact where either the groupId , artifactId , or version is missing, Tycho silently ignores this configuration. This is a bug in Tycho - it should fail with a clear error message instead.

So you need to reference the eclipse-target-definition module with a version. In case you have a project setup which uses the same version in every module, you can use ${project.version} for this (to avoid manual work when you are using the tycho-versions-plugin which currently doesn't update the target-platform-configuration ). If some of the projects which inherit the target-platform-configuration from your parent POM use a different version, you need to specify the target file with an explicit version. (Background: Variables in POMs are expanded after inheritance, so ${project.version} expands to the version of the child project and not to the version of the parent POM containing the configuration.)