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Re: [tycho-user] Problem getting Tycho to use a local .target file

Thanks, Jan. I'll examine it.
I just figured out that my problem was due to the generated "parent" pom
not referencing the "master" pom (one level up that I hand-wrote) as its
parent. Thus, the target platform configuration (which is in the
hand-written "master") was not being inherited. I added the appropriate
<parent> node to the generated parent pom and now it's progressing.

But this leads to a dilemma: we have a large number of plugins and
features, so we want to take advantage of the ability of
tycho-pomgenerator-plugin to generate the poms for us (if for nothing
else, so we don't have to manually maintain the list of <modules> in the
parent pom); in other words, my plan is to NOT check in the poms for each
plugin or feature project or the "parent" pom above them. However, the
parent pom does need to either:

a) reference the hand-written "master" pom that I have written (which
would be checked in)
b) include the contents that I've put in the "master" pom, which would
eliminate the need for the "master" pom.

Either way, I can't rely solely on the pom that is generated by
tycho-pomgenerator-plugin - it needs some modification (additions, really).

So, what's the best strategy for handling this case, where we want to
leverage pom generation but it needs to refer to another pom as its parent?


On 11/16/12 2:42 AM, "Sievers, Jan" <jan.sievers@xxxxxxx> wrote:

>here is an example using a target definition file:
>From: tycho-user-bounces@xxxxxxxxxxx
>[mailto:tycho-user-bounces@xxxxxxxxxxx] On Behalf Of Rizzo, Eric
>Sent: Donnerstag, 15. November 2012 19:43
>To: tycho-user@xxxxxxxxxxx
>Subject: [tycho-user] Problem getting Tycho to use a local .target file
>I'm just getting started with Tycho, attempting to migrate a large RCP
>product from PDE Build. We have a target platform, defined in a .target
>file that uses "Software Sites" (p2 repos), and this target works in the
>developer workspaces. However, I have not been able to get Tycho to
>recognize and use it to build our plugins, features, and product.
>I'm following Lars Vogel's tutorial as well as some Tycho wiki pages and
>other resources, but none have a complete example of using a .target file
>to direct Tycho to your target platform. I used the following command to
>generate pom files in all my plugin, feature, and product projects:
>mvn org.eclipse.tycho:tycho-pomgenerator-plugin:generate-poms
>It did so, along with a parent pom that includes them all - except for
>the project that contains the .target. That one I wrote by hand and added
>as a <module> in the parent pom. Here's the .target project pom (derived
><?xml version="1.0" encoding="UTF-8"?>
><project xsi:schemaLocation="
>    xmlns:xsi="";>
>  <modelVersion>4.0.0</modelVersion>
>  <parent>
>    <artifactId>bundles</artifactId>
>    <groupId></groupId>
>    <version>2.1.0-SNAPSHOT</version>
>  </parent>
>  <groupId></groupId>
>  <artifactId></artifactId>
>  <version>2.1.0-SNAPSHOT</version>
>  <packaging>pom</packaging>
>	<build>
>	  <plugins>
>	    <plugin>
>	      <groupId>org.codehaus.mojo</groupId>
>	      <artifactId>build-helper-maven-plugin</artifactId>
>	      <version>1.3</version>
>	      <executions>
>	        <execution>
>	          <id>attach-artifacts</id>
>	          <phase>package</phase>
>	          <goals>
>	            <goal>attach-artifact</goal>
>	          </goals>
>	          <configuration>
>	            <artifacts>
>	              <artifact>
>	                <file></file>
>	                <type>target</type>
>	                <classifier>designer</classifier>
>	              </artifact>
>	            </artifacts>
>	          </configuration>
>	        </execution>
>	      </executions>
>	    </plugin>
>	  </plugins>
>	</build>
>Here is the top-level pom that uses the generated poms and the .target
>one above that I hand-wrote:
><?xml version="1.0" encoding="UTF-8"?>
>  <modelVersion>4.0.0</modelVersion>
>  <groupId></groupId>
>  <artifactId>parent</artifactId>
>  <version>2.1.0-SNAPSHOT</version>
>  <packaging>pom</packaging>
>  <modules>
>    <module>bundles</module>
>  </modules>
>  <properties>
>    <tycho-version>0.16.0</tycho-version>
>  </properties>
>  <build>
>    <plugins>
>	 <plugin>
>	   <groupId>org.eclipse.tycho</groupId>
>	   <artifactId>target-platform-configuration</artifactId>
>	   <version>${tycho-version}</version>
>	   <configuration>
>	     <resolver>p2</resolver>
>	     <ignoreTychoRepositories>true</ignoreTychoRepositories>
>	     <target>
>		<artifact>
>		 <groupId></groupId>
>		 <artifactId></artifactId>
>		 <version>2.1.0-SNAPSHOT</version>
>		 <classifier>designer</classifier>
>		</artifact>
>	     </target>
>		<environments>
>		   <environment>
>			<os>${build.os}</os>
>			<ws>${}</ws>
>			<arch>${build.arch}</arch>
>		   </environment>
>		</environments>
>	   </configuration>
>	 </plugin>
>      <plugin>
>        <groupId>org.eclipse.tycho</groupId>
>        <artifactId>tycho-maven-plugin</artifactId>
>        <version>${tycho-version}</version>
>        <extensions>true</extensions>
>      </plugin>
>      <plugin>
>        <groupId>org.eclipse.tycho</groupId>
>        <artifactId>tycho-p2-director-plugin</artifactId>
>        <version>${tycho-version}</version>
>        <executions>
>          <execution>
>            <id>materialize-products</id>
>            <goals>
>              <goal>materialize-products</goal>
>            </goals>
>          </execution>
>          <execution>
>            <id>archive-products</id>
>            <goals>
>              <goal>archive-products</goal>
>            </goals>
>          </execution>
>        </executions>
>      </plugin>
>    </plugins>
>  </build>
>"mvn clean install" starts to build, but quickly complains that it can't
>resolve basic dependencies from the .target, such as
>[INFO] Computing target platform for MavenProject:
> @
>[INFO] Resolving dependencies of MavenProject:
> @
>[INFO] Cannot complete the request.  Generating details.
>[INFO] Cannot complete the request.  Generating details.
>[INFO] {, osgi.os=win32, osgi.arch=x86,
>[ERROR] Cannot resolve project dependencies:
>[ERROR]   Software being installed: com.emc.myplugin.ui 1.0.0.qualifier
>[ERROR]   Missing requirement: com.emc.myplugin.ui 1.0.0.qualifier
>requires 'bundle org.eclipse.core.runtime 0.0.0' but it could not be found
>The .target file is pretty huge, so I won't paste it here unless someone
>asks. The gist of it is that it refers to several p2 repos, specifying
>IUs as well as specific plugin IDs (the "Content" tab of the Target
>editor in Eclipse IDE).
>I've tried using the -X option to mvn in order to get more debugging
>help, but it didn't yield anything that I found to be useful. Any advice
>about why Tycho seems to be ignoring the .target file, or how I can
>further troubleshoot.
>Thanks in advance,
>tycho-user mailing list

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