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Re: [tycho-user] Missing dependency building a product 
I solved the issue specifying the exact version of org.eclipse.e4.rcp:
---
<feature id="org.eclipse.e4.rcp" version="1.5.3.v20170228-0512"/>
---

Thanks.

----- Original Message -----
From: "Michele Tucci" <michele.tucci@xxxxxxxxx>
To: "tycho-user" <tycho-user@xxxxxxxxxxx>
Sent: Wednesday, 8 November, 2017 15:12:45
Subject: Re: [tycho-user] Missing dependency building a product

Thanks.

My POM includes:
---
<repository>
  <id>Neon</id>
  <layout>p2</layout>
  <url>http://download.eclipse.org/releases/neon/</url>
</repository>
---

>From the output of:
$ java -jar plugins/org.eclipse.equinox.launcher_1.3.201.v20161025-1711.jar -debug -consolelog -application org.eclipse.equinox.p2.director -repository http://download.eclipse.org/releases/neon/ -list
it looks like the required feature is in my target platform with the version reported in the error message.
Am I wrong?
---
org.eclipse.e4.rcp.feature.group=1.5.0.v20160606-1342
org.eclipse.e4.rcp.feature.group=1.5.1.v20160907-0248
org.eclipse.e4.rcp.feature.group=1.5.1.v20160907-0248
org.eclipse.e4.rcp.feature.group=1.5.2.v20161122-1740
org.eclipse.e4.rcp.feature.group=1.5.3.v20170228-0512
org.eclipse.e4.rcp.feature.group=1.5.3.v20170228-0512
org.eclipse.e4.rcp.feature.group=1.5.3.v20170228-0512
org.eclipse.e4.rcp.feature.jar=1.5.0.v20160606-1342
org.eclipse.e4.rcp.feature.jar=1.5.1.v20160907-0248
org.eclipse.e4.rcp.feature.jar=1.5.1.v20160907-0248
org.eclipse.e4.rcp.feature.jar=1.5.2.v20161122-1740
org.eclipse.e4.rcp.feature.jar=1.5.3.v20170228-0512
org.eclipse.e4.rcp.feature.jar=1.5.3.v20170228-0512
org.eclipse.e4.rcp.feature.jar=1.5.3.v20170228-0512
---

----- Original Message -----
From: "Sievers, Jan" <jan.sievers@xxxxxxx>
To: "tycho-user" <tycho-user@xxxxxxxxxxx>
Sent: Wednesday, 8 November, 2017 09:39:25
Subject: Re: [tycho-user] Missing dependency building a product

looks like feature org.eclipse.e4.rcp is missing in your target platform [1]

Jan

[1] https://wiki.eclipse.org/Tycho/Target_Platform



On 07.11.17, 17:53, "tycho-user-bounces@xxxxxxxxxxx on behalf of Michele Tucci" <tycho-user-bounces@xxxxxxxxxxx on behalf of michele.tucci@xxxxxxxxx> wrote:

    Hi,
    
    I am trying to build a features based product including these features:
    ---
       <features>
          <feature id="org.eclipse.platform" version="4.6.2.v20161124-1529"/>
          <feature id="org.eclipse.emf.ecore.editor"/>
          <feature id="org.eclipse.emf.ecore"/>
          <feature id="org.eclipse.equinox.p2.user.ui"/>
          <feature id="org.eclipse.ecf.filetransfer.httpclient4.feature"/>
          <feature id="org.eclipse.help"/>
          <feature id="org.eclipse.ecf.filetransfer.httpclient4.ssl.feature"/>
          <feature id="org.eclipse.equinox.p2.extras.feature"/>
          <feature id="org.eclipse.rcp"/>
          <feature id="org.eclipse.emf.common"/>
          <feature id="org.eclipse.equinox.p2.core.feature"/>
          <feature id="org.eclipse.ecf.core.feature"/>
          <feature id="org.eclipse.equinox.p2.rcp.feature"/>
          <feature id="org.eclipse.ecf.filetransfer.feature"/>
          <feature id="org.eclipse.ecf.core.ssl.feature"/>
          <feature id="org.eclipse.ecf.filetransfer.ssl.feature"/>
          <feature id="org.eclipse.e4.rcp"/>
          <feature id="org.emftext.access"/>
          <feature id="org.eclipse.emf"/>
          <feature id="org.eclipse.emf.ecore.edit"/>
          <feature id="org.eclipse.emf.workspace"/>
          <feature id="org.eclipse.emf.codegen.ecore"/>
          <feature id="org.eclipse.emf.transaction"/>
          <feature id="org.eclipse.jdt"/>
          <feature id="org.eclipse.emf.validation"/>
          <feature id="org.eclipse.m2m.atl"/>
          <feature id="org.eclipse.e4.core.tools.feature"/>
       </features>
    ---
    
    I get the error:
    ---
    Cannot complete the install because one or more required items could not be found.
     Software being installed: JTL 0.2.0.201711071531 (jtl.product 0.2.0.201711071531)
     Missing requirement: JTL 0.2.0.201711071531 (jtl.product 0.2.0.201711071531) requires 'org.eclipse.e4.rcp.feature.group [1.5.3.v20170228-0512]' but it could not be found
    ---
    
    It looks like a known workaround is to not specify the version numbers of the RCP features but,
    as you can see from the features list, "org.eclipse.rcp" and "org.eclipse.e4.rcp" do not specify any version number.
    
    Any ideas?
    
    Thanks.
    
    MT
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